* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2010, 2013, Intel Corporation.
+ * Copyright (c) 2010, 2015, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#define DEBUG_SUBSYSTEM S_MDS
#include <linux/module.h>
-/*
- * struct OBD_{ALLOC,FREE}*()
- */
-#include <obd_support.h>
+
+#include <dt_object.h>
+#include <lustre_acl.h>
+#include <lustre_export.h>
#include <lustre_ioctl.h>
-/* struct ptlrpc_request */
+#include <lustre_lfsck.h>
+#include <lustre_log.h>
#include <lustre_net.h>
-/* struct obd_export */
-#include <lustre_export.h>
-/* struct obd_device */
-#include <obd.h>
-/* lu2dt_dev() */
-#include <dt_object.h>
+#include <lustre_nodemap.h>
#include <lustre_mds.h>
-#include <lustre_log.h>
-#include "mdt_internal.h"
-#include <lustre_acl.h>
#include <lustre_param.h>
#include <lustre_quota.h>
-#include <lustre_lfsck.h>
+#include <lustre_swab.h>
+#include <obd.h>
+#include <obd_support.h>
+
+#include <llog_swab.h>
+
+#include "mdt_internal.h"
+
+
+static unsigned int max_mod_rpcs_per_client = 8;
+module_param(max_mod_rpcs_per_client, uint, 0644);
+MODULE_PARM_DESC(max_mod_rpcs_per_client, "maximum number of modify RPCs in flight allowed per client");
mdl_mode_t mdt_mdl_lock_modes[] = {
[LCK_MINMODE] = MDL_MINMODE,
[LCK_GROUP] = MDL_GROUP
};
-ldlm_mode_t mdt_dlm_lock_modes[] = {
- [MDL_MINMODE] = LCK_MINMODE,
- [MDL_EX] = LCK_EX,
- [MDL_PW] = LCK_PW,
- [MDL_PR] = LCK_PR,
- [MDL_CW] = LCK_CW,
- [MDL_CR] = LCK_CR,
- [MDL_NL] = LCK_NL,
- [MDL_GROUP] = LCK_GROUP
+enum ldlm_mode mdt_dlm_lock_modes[] = {
+ [MDL_MINMODE] = LCK_MINMODE,
+ [MDL_EX] = LCK_EX,
+ [MDL_PW] = LCK_PW,
+ [MDL_PR] = LCK_PR,
+ [MDL_CW] = LCK_CW,
+ [MDL_CR] = LCK_CR,
+ [MDL_NL] = LCK_NL,
+ [MDL_GROUP] = LCK_GROUP
};
static struct mdt_device *mdt_dev(struct lu_device *d);
}
};
-int mdt_get_disposition(struct ldlm_reply *rep, int flag)
+__u64 mdt_get_disposition(struct ldlm_reply *rep, __u64 op_flag)
{
- if (!rep)
- return 0;
- return (rep->lock_policy_res1 & flag);
+ if (!rep)
+ return 0;
+ return rep->lock_policy_res1 & op_flag;
}
void mdt_clear_disposition(struct mdt_thread_info *info,
- struct ldlm_reply *rep, int flag)
+ struct ldlm_reply *rep, __u64 op_flag)
{
if (info) {
- info->mti_opdata &= ~flag;
- tgt_opdata_clear(info->mti_env, flag);
+ info->mti_opdata &= ~op_flag;
+ tgt_opdata_clear(info->mti_env, op_flag);
}
if (rep)
- rep->lock_policy_res1 &= ~flag;
+ rep->lock_policy_res1 &= ~op_flag;
}
void mdt_set_disposition(struct mdt_thread_info *info,
- struct ldlm_reply *rep, int flag)
+ struct ldlm_reply *rep, __u64 op_flag)
{
if (info) {
- info->mti_opdata |= flag;
- tgt_opdata_set(info->mti_env, flag);
+ info->mti_opdata |= op_flag;
+ tgt_opdata_set(info->mti_env, op_flag);
}
if (rep)
- rep->lock_policy_res1 |= flag;
+ rep->lock_policy_res1 |= op_flag;
}
-void mdt_lock_reg_init(struct mdt_lock_handle *lh, ldlm_mode_t lm)
+void mdt_lock_reg_init(struct mdt_lock_handle *lh, enum ldlm_mode lm)
{
- lh->mlh_pdo_hash = 0;
- lh->mlh_reg_mode = lm;
+ lh->mlh_pdo_hash = 0;
+ lh->mlh_reg_mode = lm;
lh->mlh_rreg_mode = lm;
- lh->mlh_type = MDT_REG_LOCK;
+ lh->mlh_type = MDT_REG_LOCK;
}
-void mdt_lock_pdo_init(struct mdt_lock_handle *lh, ldlm_mode_t lock_mode,
+void mdt_lock_pdo_init(struct mdt_lock_handle *lh, enum ldlm_mode lock_mode,
const struct lu_name *lname)
{
lh->mlh_reg_mode = lock_mode;
+ lh->mlh_pdo_mode = LCK_MINMODE;
lh->mlh_rreg_mode = lock_mode;
lh->mlh_type = MDT_PDO_LOCK;
EXIT;
}
-static int mdt_getstatus(struct tgt_session_info *tsi)
+static int mdt_lookup_fileset(struct mdt_thread_info *info, const char *fileset,
+ struct lu_fid *fid)
+{
+ struct mdt_device *mdt = info->mti_mdt;
+ struct lu_name *lname = &info->mti_name;
+ char *name = NULL;
+ struct mdt_object *parent;
+ u32 mode;
+ int rc = 0;
+
+ LASSERT(!info->mti_cross_ref);
+
+ OBD_ALLOC(name, NAME_MAX + 1);
+ if (name == NULL)
+ return -ENOMEM;
+ lname->ln_name = name;
+
+ /*
+ * We may want to allow this to mount a completely separate
+ * fileset from the MDT in the future, but keeping it to
+ * ROOT/ only for now avoid potential security issues.
+ */
+ *fid = mdt->mdt_md_root_fid;
+
+ while (rc == 0 && fileset != NULL && *fileset != '\0') {
+ const char *s1 = fileset;
+ const char *s2;
+
+ while (*++s1 == '/')
+ ;
+ s2 = s1;
+ while (*s2 != '/' && *s2 != '\0')
+ s2++;
+
+ if (s2 == s1)
+ break;
+
+ fileset = s2;
+
+ lname->ln_namelen = s2 - s1;
+ if (lname->ln_namelen > NAME_MAX) {
+ rc = -EINVAL;
+ break;
+ }
+
+ /* reject .. as a path component */
+ if (lname->ln_namelen == 2 &&
+ strncmp(s1, "..", 2) == 0) {
+ rc = -EINVAL;
+ break;
+ }
+
+ strncpy(name, s1, lname->ln_namelen);
+ name[lname->ln_namelen] = '\0';
+
+ parent = mdt_object_find(info->mti_env, mdt, fid);
+ if (IS_ERR(parent)) {
+ rc = PTR_ERR(parent);
+ break;
+ }
+ /* Only got the fid of this obj by name */
+ fid_zero(fid);
+ rc = mdo_lookup(info->mti_env, mdt_object_child(parent), lname,
+ fid, &info->mti_spec);
+ mdt_object_put(info->mti_env, parent);
+ }
+ if (!rc) {
+ parent = mdt_object_find(info->mti_env, mdt, fid);
+ if (IS_ERR(parent))
+ rc = PTR_ERR(parent);
+ else {
+ mode = lu_object_attr(&parent->mot_obj);
+ mdt_object_put(info->mti_env, parent);
+ if (!S_ISDIR(mode))
+ rc = -ENOTDIR;
+ }
+ }
+
+ OBD_FREE(name, NAME_MAX + 1);
+
+ return rc;
+}
+
+static int mdt_get_root(struct tgt_session_info *tsi)
{
struct mdt_thread_info *info = tsi2mdt_info(tsi);
struct mdt_device *mdt = info->mti_mdt;
struct mdt_body *repbody;
+ char *fileset = NULL, *buffer = NULL;
int rc;
+ struct obd_export *exp = info->mti_exp;
+ char *nodemap_fileset;
ENTRY;
if (rc)
GOTO(out, rc = err_serious(rc));
- if (OBD_FAIL_CHECK(OBD_FAIL_MDS_GETSTATUS_PACK))
+ if (OBD_FAIL_CHECK(OBD_FAIL_MDS_GET_ROOT_PACK))
GOTO(out, rc = err_serious(-ENOMEM));
repbody = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
- repbody->fid1 = mdt->mdt_md_root_fid;
- repbody->valid |= OBD_MD_FLID;
+ if (req_capsule_get_size(info->mti_pill, &RMF_NAME, RCL_CLIENT) > 0) {
+ fileset = req_capsule_client_get(info->mti_pill, &RMF_NAME);
+ if (fileset == NULL)
+ GOTO(out, rc = err_serious(-EFAULT));
+ }
- if (tsi->tsi_tgt->lut_mds_capa &&
- exp_connect_flags(info->mti_exp) & OBD_CONNECT_MDS_CAPA) {
- struct mdt_object *root;
- struct lustre_capa *capa;
+ nodemap_fileset = nodemap_get_fileset(exp->exp_target_data.ted_nodemap);
+ if (nodemap_fileset && nodemap_fileset[0]) {
+ if (fileset) {
+ /* consider fileset from client as a sub-fileset
+ * of the nodemap one */
+ OBD_ALLOC(buffer, PATH_MAX + 1);
+ if (buffer == NULL)
+ GOTO(out, rc = err_serious(-ENOMEM));
+ if (snprintf(buffer, PATH_MAX + 1, "%s/%s",
+ nodemap_fileset, fileset) >= PATH_MAX + 1)
+ GOTO(out, rc = err_serious(-EINVAL));
+ fileset = buffer;
+ } else {
+ /* enforce fileset as specified in the nodemap */
+ fileset = nodemap_fileset;
+ }
+ }
+
+ if (fileset) {
+ rc = mdt_lookup_fileset(info, fileset, &repbody->mbo_fid1);
+ if (rc < 0)
+ GOTO(out, rc = err_serious(rc));
+ } else {
+ repbody->mbo_fid1 = mdt->mdt_md_root_fid;
+ }
+ repbody->mbo_valid |= OBD_MD_FLID;
- root = mdt_object_find(info->mti_env, mdt, &repbody->fid1);
- if (IS_ERR(root))
- GOTO(out, rc = PTR_ERR(root));
-
- capa = req_capsule_server_get(info->mti_pill, &RMF_CAPA1);
- LASSERT(capa);
- capa->lc_opc = CAPA_OPC_MDS_DEFAULT;
- rc = mo_capa_get(info->mti_env, mdt_object_child(root), capa,
- 0);
- mdt_object_put(info->mti_env, root);
- if (rc == 0)
- repbody->valid |= OBD_MD_FLMDSCAPA;
- }
EXIT;
out:
mdt_thread_info_fini(info);
+ if (buffer)
+ OBD_FREE(buffer, PATH_MAX+1);
return rc;
}
RETURN(rc);
}
-/**
- * Pack SOM attributes into the reply.
- * Call under a DLM UPDATE lock.
+#ifdef CONFIG_FS_POSIX_ACL
+/*
+ * Pack ACL data into the reply. UIDs/GIDs are mapped and filtered by nodemap.
+ *
+ * \param info thread info object
+ * \param repbody reply to pack ACLs into
+ * \param o mdt object of file to examine
+ * \param nodemap nodemap of client to reply to
+ * \retval 0 success
+ * \retval -errno error getting or parsing ACL from disk
*/
-static void mdt_pack_size2body(struct mdt_thread_info *info,
- struct mdt_object *mo)
-{
- struct mdt_body *b;
- struct md_attr *ma = &info->mti_attr;
-
- LASSERT(ma->ma_attr.la_valid & LA_MODE);
- b = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
-
- /* Check if Size-on-MDS is supported, if this is a regular file,
- * if SOM is enabled on the object and if SOM cache exists and valid.
- * Otherwise do not pack Size-on-MDS attributes to the reply. */
- if (!(mdt_conn_flags(info) & OBD_CONNECT_SOM) ||
- !S_ISREG(ma->ma_attr.la_mode) ||
- !mdt_object_is_som_enabled(mo) ||
- !(ma->ma_valid & MA_SOM))
- return;
+int mdt_pack_acl2body(struct mdt_thread_info *info, struct mdt_body *repbody,
+ struct mdt_object *o, struct lu_nodemap *nodemap)
+{
+ const struct lu_env *env = info->mti_env;
+ struct md_object *next = mdt_object_child(o);
+ struct lu_buf *buf = &info->mti_buf;
+ int rc;
+
+ buf->lb_buf = req_capsule_server_get(info->mti_pill, &RMF_ACL);
+ buf->lb_len = req_capsule_get_size(info->mti_pill, &RMF_ACL,
+ RCL_SERVER);
+ if (buf->lb_len == 0)
+ return 0;
- b->valid |= OBD_MD_FLSIZE | OBD_MD_FLBLOCKS;
- b->size = ma->ma_som->msd_size;
- b->blocks = ma->ma_som->msd_blocks;
+ rc = mo_xattr_get(env, next, buf, XATTR_NAME_ACL_ACCESS);
+ if (rc < 0) {
+ if (rc == -ENODATA) {
+ repbody->mbo_aclsize = 0;
+ repbody->mbo_valid |= OBD_MD_FLACL;
+ rc = 0;
+ } else if (rc == -EOPNOTSUPP) {
+ rc = 0;
+ } else {
+ CERROR("%s: unable to read "DFID" ACL: rc = %d\n",
+ mdt_obd_name(info->mti_mdt),
+ PFID(mdt_object_fid(o)), rc);
+ }
+ } else {
+ rc = nodemap_map_acl(nodemap, buf->lb_buf,
+ rc, NODEMAP_FS_TO_CLIENT);
+ /* if all ACLs mapped out, rc is still >= 0 */
+ if (rc < 0) {
+ CERROR("%s: nodemap_map_acl unable to parse "DFID
+ " ACL: rc = %d\n", mdt_obd_name(info->mti_mdt),
+ PFID(mdt_object_fid(o)), rc);
+ } else {
+ repbody->mbo_aclsize = rc;
+ repbody->mbo_valid |= OBD_MD_FLACL;
+ rc = 0;
+ }
+ }
+ return rc;
}
+#endif
void mdt_pack_attr2body(struct mdt_thread_info *info, struct mdt_body *b,
const struct lu_attr *attr, const struct lu_fid *fid)
{
- struct md_attr *ma = &info->mti_attr;
-
- LASSERT(ma->ma_valid & MA_INODE);
-
- b->atime = attr->la_atime;
- b->mtime = attr->la_mtime;
- b->ctime = attr->la_ctime;
- b->mode = attr->la_mode;
- b->size = attr->la_size;
- b->blocks = attr->la_blocks;
- b->uid = attr->la_uid;
- b->gid = attr->la_gid;
- b->flags = attr->la_flags;
- b->nlink = attr->la_nlink;
- b->rdev = attr->la_rdev;
-
- /*XXX should pack the reply body according to lu_valid*/
- b->valid |= OBD_MD_FLCTIME | OBD_MD_FLUID |
- OBD_MD_FLGID | OBD_MD_FLTYPE |
- OBD_MD_FLMODE | OBD_MD_FLNLINK | OBD_MD_FLFLAGS |
- OBD_MD_FLATIME | OBD_MD_FLMTIME ;
-
- if (!S_ISREG(attr->la_mode)) {
- b->valid |= OBD_MD_FLSIZE | OBD_MD_FLBLOCKS | OBD_MD_FLRDEV;
+ struct md_attr *ma = &info->mti_attr;
+ struct obd_export *exp = info->mti_exp;
+ struct lu_nodemap *nodemap = NULL;
+
+ LASSERT(ma->ma_valid & MA_INODE);
+
+ if (attr->la_valid & LA_ATIME) {
+ b->mbo_atime = attr->la_atime;
+ b->mbo_valid |= OBD_MD_FLATIME;
+ }
+ if (attr->la_valid & LA_MTIME) {
+ b->mbo_mtime = attr->la_mtime;
+ b->mbo_valid |= OBD_MD_FLMTIME;
+ }
+ if (attr->la_valid & LA_CTIME) {
+ b->mbo_ctime = attr->la_ctime;
+ b->mbo_valid |= OBD_MD_FLCTIME;
+ }
+ if (attr->la_valid & LA_FLAGS) {
+ b->mbo_flags = attr->la_flags;
+ b->mbo_valid |= OBD_MD_FLFLAGS;
+ }
+ if (attr->la_valid & LA_NLINK) {
+ b->mbo_nlink = attr->la_nlink;
+ b->mbo_valid |= OBD_MD_FLNLINK;
+ }
+ if (attr->la_valid & (LA_UID|LA_GID)) {
+ nodemap = nodemap_get_from_exp(exp);
+ if (IS_ERR(nodemap))
+ goto out;
+ }
+ if (attr->la_valid & LA_UID) {
+ b->mbo_uid = nodemap_map_id(nodemap, NODEMAP_UID,
+ NODEMAP_FS_TO_CLIENT,
+ attr->la_uid);
+ b->mbo_valid |= OBD_MD_FLUID;
+ }
+ if (attr->la_valid & LA_GID) {
+ b->mbo_gid = nodemap_map_id(nodemap, NODEMAP_GID,
+ NODEMAP_FS_TO_CLIENT,
+ attr->la_gid);
+ b->mbo_valid |= OBD_MD_FLGID;
+ }
+
+ b->mbo_mode = attr->la_mode;
+ if (attr->la_valid & LA_MODE)
+ b->mbo_valid |= OBD_MD_FLMODE;
+ if (attr->la_valid & LA_TYPE)
+ b->mbo_valid |= OBD_MD_FLTYPE;
+
+ if (fid != NULL) {
+ b->mbo_fid1 = *fid;
+ b->mbo_valid |= OBD_MD_FLID;
+ CDEBUG(D_INODE, DFID": nlink=%d, mode=%o, valid="LPX64"\n",
+ PFID(fid), b->mbo_nlink, b->mbo_mode, b->mbo_valid);
+ }
+
+ if (info != NULL)
+ mdt_body_reverse_idmap(info, b);
+
+ if (!(attr->la_valid & LA_TYPE))
+ return;
+
+ b->mbo_rdev = attr->la_rdev;
+ b->mbo_size = attr->la_size;
+ b->mbo_blocks = attr->la_blocks;
+
+ if (!S_ISREG(attr->la_mode)) {
+ b->mbo_valid |= OBD_MD_FLSIZE | OBD_MD_FLBLOCKS | OBD_MD_FLRDEV;
} else if (ma->ma_need & MA_LOV && !(ma->ma_valid & MA_LOV)) {
- /* means no objects are allocated on osts. */
- LASSERT(!(ma->ma_valid & MA_LOV));
- /* just ignore blocks occupied by extend attributes on MDS */
- b->blocks = 0;
- /* if no object is allocated on osts, the size on mds is valid. b=22272 */
- b->valid |= OBD_MD_FLSIZE | OBD_MD_FLBLOCKS;
+ /* means no objects are allocated on osts. */
+ LASSERT(!(ma->ma_valid & MA_LOV));
+ /* just ignore blocks occupied by extend attributes on MDS */
+ b->mbo_blocks = 0;
+ /* if no object is allocated on osts, the size on mds is valid.
+ * b=22272 */
+ b->mbo_valid |= OBD_MD_FLSIZE | OBD_MD_FLBLOCKS;
} else if ((ma->ma_valid & MA_LOV) && ma->ma_lmm != NULL &&
ma->ma_lmm->lmm_pattern & LOV_PATTERN_F_RELEASED) {
/* A released file stores its size on MDS. */
/* But return 1 block for released file, unless tools like tar
* will consider it fully sparse. (LU-3864)
*/
- if (unlikely(b->size == 0))
- b->blocks = 0;
+ if (unlikely(b->mbo_size == 0))
+ b->mbo_blocks = 0;
else
- b->blocks = 1;
- b->valid |= OBD_MD_FLSIZE | OBD_MD_FLBLOCKS;
+ b->mbo_blocks = 1;
+ b->mbo_valid |= OBD_MD_FLSIZE | OBD_MD_FLBLOCKS;
}
- if (fid) {
- b->fid1 = *fid;
- b->valid |= OBD_MD_FLID;
- CDEBUG(D_INODE, DFID": nlink=%d, mode=%o, size="LPU64"\n",
- PFID(fid), b->nlink, b->mode, b->size);
- }
-
- if (info)
- mdt_body_reverse_idmap(info, b);
+ if (fid != NULL && (b->mbo_valid & OBD_MD_FLSIZE))
+ CDEBUG(D_VFSTRACE, DFID": returning size %llu\n",
+ PFID(fid), (unsigned long long)b->mbo_size);
- if (fid != NULL && (b->valid & OBD_MD_FLSIZE))
- CDEBUG(D_VFSTRACE, DFID": returning size %llu\n",
- PFID(fid), (unsigned long long)b->size);
+out:
+ if (!IS_ERR_OR_NULL(nodemap))
+ nodemap_putref(nodemap);
}
static inline int mdt_body_has_lov(const struct lu_attr *la,
- const struct mdt_body *body)
+ const struct mdt_body *body)
{
- return ((S_ISREG(la->la_mode) && (body->valid & OBD_MD_FLEASIZE)) ||
- (S_ISDIR(la->la_mode) && (body->valid & OBD_MD_FLDIREA )) );
+ return (S_ISREG(la->la_mode) && (body->mbo_valid & OBD_MD_FLEASIZE)) ||
+ (S_ISDIR(la->la_mode) && (body->mbo_valid & OBD_MD_FLDIREA));
}
void mdt_client_compatibility(struct mdt_thread_info *info)
EXIT;
}
-int mdt_attr_get_eabuf_size(struct mdt_thread_info *info, struct mdt_object *o)
+static int mdt_attr_get_eabuf_size(struct mdt_thread_info *info,
+ struct mdt_object *o)
{
const struct lu_env *env = info->mti_env;
int rc, rc2;
if (S_ISDIR(lu_object_attr(&mdt_object_child(o)->mo_lu))) {
rc2 = mo_xattr_get(env, mdt_object_child(o), &LU_BUF_NULL,
XATTR_NAME_LMV);
+
+ if (rc2 == -ENODATA)
+ rc2 = mo_xattr_get(env, mdt_object_child(o),
+ &LU_BUF_NULL,
+ XATTR_NAME_DEFAULT_LMV);
+
if ((rc2 < 0 && rc2 != -ENODATA) || (rc2 > rc))
rc = rc2;
}
return rc;
}
-static int mdt_big_xattr_get(struct mdt_thread_info *info, struct mdt_object *o,
- const char *name)
+int mdt_big_xattr_get(struct mdt_thread_info *info, struct mdt_object *o,
+ const char *name)
{
const struct lu_env *env = info->mti_env;
int rc;
rc = mo_xattr_get(info->mti_env, next, buf, name);
if (rc > 0) {
+
+got:
if (strcmp(name, XATTR_NAME_LOV) == 0) {
- ma->ma_lmm_size = rc;
- ma->ma_valid |= MA_LOV;
+ if (info->mti_big_lmm_used)
+ ma->ma_lmm = info->mti_big_lmm;
+
+ /* NOT return LOV EA with hole to old client. */
+ if (unlikely(le32_to_cpu(ma->ma_lmm->lmm_pattern) &
+ LOV_PATTERN_F_HOLE) &&
+ !(exp_connect_flags(info->mti_exp) &
+ OBD_CONNECT_LFSCK)) {
+ return -EIO;
+ } else {
+ ma->ma_lmm_size = rc;
+ ma->ma_valid |= MA_LOV;
+ }
} else if (strcmp(name, XATTR_NAME_LMV) == 0) {
+ if (info->mti_big_lmm_used)
+ ma->ma_lmv = info->mti_big_lmm;
+
ma->ma_lmv_size = rc;
ma->ma_valid |= MA_LMV;
} else if (strcmp(name, XATTR_NAME_DEFAULT_LMV) == 0) {
ma->ma_valid |= MA_LMV_DEF;
}
+ /* Update mdt_max_mdsize so all clients will be aware that */
+ if (info->mti_mdt->mdt_max_mdsize < rc)
+ info->mti_mdt->mdt_max_mdsize = rc;
+
rc = 0;
} else if (rc == -ENODATA) {
/* no LOV EA */
rc = mdt_big_xattr_get(info, o, name);
if (rc > 0) {
info->mti_big_lmm_used = 1;
- if (!strcmp(name, XATTR_NAME_LOV)) {
- ma->ma_valid |= MA_LOV;
- ma->ma_lmm = info->mti_big_lmm;
- ma->ma_lmm_size = rc;
- } else if (!strcmp(name, XATTR_NAME_LMV)) {
- ma->ma_valid |= MA_LMV;
- ma->ma_lmv = info->mti_big_lmm;
- ma->ma_lmv_size = rc;
- } else {
- return -EINVAL;
- }
-
- /* update mdt_max_mdsize so all clients
- * will be aware about that */
- if (info->mti_mdt->mdt_max_mdsize < rc)
- info->mti_mdt->mdt_max_mdsize = rc;
- rc = 0;
+ goto got;
}
}
const struct lu_env *env = info->mti_env;
struct md_object *next = mdt_object_child(o);
struct lu_buf *buf = &info->mti_buf;
- u32 mode = lu_object_attr(&next->mo_lu);
int need = ma->ma_need;
int rc = 0, rc2;
+ u32 mode;
ENTRY;
ma->ma_valid = 0;
+ if (mdt_object_exists(o) == 0)
+ GOTO(out, rc = -ENOENT);
+ mode = lu_object_attr(&next->mo_lu);
+
if (need & MA_INODE) {
ma->ma_need = MA_INODE;
rc = mo_attr_get(env, next, ma);
GOTO(out, rc);
}
- if (need & MA_SOM && S_ISREG(mode)) {
- buf->lb_buf = info->mti_xattr_buf;
- buf->lb_len = sizeof(info->mti_xattr_buf);
- CLASSERT(sizeof(struct som_attrs) <=
- sizeof(info->mti_xattr_buf));
- rc2 = mo_xattr_get(info->mti_env, next, buf, XATTR_NAME_SOM);
- rc2 = lustre_buf2som(info->mti_xattr_buf, rc2, ma->ma_som);
- if (rc2 == 0)
- ma->ma_valid |= MA_SOM;
- else if (rc2 < 0 && rc2 != -ENODATA)
- GOTO(out, rc = rc2);
- }
-
if (need & MA_HSM && S_ISREG(mode)) {
buf->lb_buf = info->mti_xattr_buf;
buf->lb_len = sizeof(info->mti_xattr_buf);
static int mdt_getattr_internal(struct mdt_thread_info *info,
struct mdt_object *o, int ma_need)
{
- struct md_object *next = mdt_object_child(o);
- const struct mdt_body *reqbody = info->mti_body;
- struct ptlrpc_request *req = mdt_info_req(info);
- struct md_attr *ma = &info->mti_attr;
- struct lu_attr *la = &ma->ma_attr;
- struct req_capsule *pill = info->mti_pill;
- const struct lu_env *env = info->mti_env;
- struct mdt_body *repbody;
- struct lu_buf *buffer = &info->mti_buf;
- int rc;
- int is_root;
- ENTRY;
+ struct md_object *next = mdt_object_child(o);
+ const struct mdt_body *reqbody = info->mti_body;
+ struct ptlrpc_request *req = mdt_info_req(info);
+ struct md_attr *ma = &info->mti_attr;
+ struct lu_attr *la = &ma->ma_attr;
+ struct req_capsule *pill = info->mti_pill;
+ const struct lu_env *env = info->mti_env;
+ struct mdt_body *repbody;
+ struct lu_buf *buffer = &info->mti_buf;
+ struct obd_export *exp = info->mti_exp;
+ int rc;
+ int is_root;
+ ENTRY;
- if (OBD_FAIL_CHECK(OBD_FAIL_MDS_GETATTR_PACK))
- RETURN(err_serious(-ENOMEM));
+ if (OBD_FAIL_CHECK(OBD_FAIL_MDS_GETATTR_PACK))
+ RETURN(err_serious(-ENOMEM));
- repbody = req_capsule_server_get(pill, &RMF_MDT_BODY);
+ repbody = req_capsule_server_get(pill, &RMF_MDT_BODY);
- ma->ma_valid = 0;
+ ma->ma_valid = 0;
if (mdt_object_remote(o)) {
/* This object is located on remote node.*/
- /* Return -EIO for old client */
+ /* Return -ENOTSUPP for old client */
if (!mdt_is_dne_client(req->rq_export))
- GOTO(out, rc = -EIO);
+ GOTO(out, rc = -ENOTSUPP);
- repbody->fid1 = *mdt_object_fid(o);
- repbody->valid = OBD_MD_FLID | OBD_MD_MDS;
+ repbody->mbo_fid1 = *mdt_object_fid(o);
+ repbody->mbo_valid = OBD_MD_FLID | OBD_MD_MDS;
GOTO(out, rc = 0);
}
- if (reqbody->eadatasize > 0) {
+ if (reqbody->mbo_eadatasize > 0) {
buffer->lb_buf = req_capsule_server_get(pill, &RMF_MDT_MD);
if (buffer->lb_buf == NULL)
GOTO(out, rc = -EPROTO);
/* If it is dir object and client require MEA, then we got MEA */
if (S_ISDIR(lu_object_attr(&next->mo_lu)) &&
- (reqbody->valid & (OBD_MD_MEA | OBD_MD_DEFAULT_MEA))) {
+ (reqbody->mbo_valid & (OBD_MD_MEA | OBD_MD_DEFAULT_MEA))) {
/* Assumption: MDT_MD size is enough for lmv size. */
ma->ma_lmv = buffer->lb_buf;
ma->ma_lmv_size = buffer->lb_len;
ma->ma_need = MA_INODE;
if (ma->ma_lmv_size > 0) {
- if (reqbody->valid & OBD_MD_MEA)
+ if (reqbody->mbo_valid & OBD_MD_MEA)
ma->ma_need |= MA_LMV;
- else if (reqbody->valid & OBD_MD_DEFAULT_MEA)
+ else if (reqbody->mbo_valid & OBD_MD_DEFAULT_MEA)
ma->ma_need |= MA_LMV_DEF;
}
} else {
}
if (S_ISDIR(lu_object_attr(&next->mo_lu)) &&
- reqbody->valid & OBD_MD_FLDIREA &&
+ reqbody->mbo_valid & OBD_MD_FLDIREA &&
lustre_msg_get_opc(req->rq_reqmsg) == MDS_GETATTR) {
/* get default stripe info for this dir. */
ma->ma_need |= MA_LOV_DEF;
}
ma->ma_need |= ma_need;
- if (ma->ma_need & MA_SOM)
- ma->ma_som = &info->mti_u.som.data;
rc = mdt_attr_get_complex(info, o, ma);
if (unlikely(rc)) {
}
/* if file is released, check if a restore is running */
- if ((ma->ma_valid & MA_HSM) && (ma->ma_hsm.mh_flags & HS_RELEASED) &&
- mdt_hsm_restore_is_running(info, mdt_object_fid(o))) {
- repbody->t_state = MS_RESTORE;
- repbody->valid |= OBD_MD_TSTATE;
+ if (ma->ma_valid & MA_HSM) {
+ repbody->mbo_valid |= OBD_MD_TSTATE;
+ if ((ma->ma_hsm.mh_flags & HS_RELEASED) &&
+ mdt_hsm_restore_is_running(info, mdt_object_fid(o)))
+ repbody->mbo_t_state = MS_RESTORE;
}
is_root = lu_fid_eq(mdt_object_fid(o), &info->mti_mdt->mdt_md_root_fid);
if (mdt_body_has_lov(la, reqbody)) {
if (ma->ma_valid & MA_LOV) {
LASSERT(ma->ma_lmm_size);
- repbody->eadatasize = ma->ma_lmm_size;
- if (S_ISDIR(la->la_mode))
- repbody->valid |= OBD_MD_FLDIREA;
- else
- repbody->valid |= OBD_MD_FLEASIZE;
- mdt_dump_lmm(D_INFO, ma->ma_lmm, repbody->valid);
+ repbody->mbo_eadatasize = ma->ma_lmm_size;
+ if (S_ISDIR(la->la_mode))
+ repbody->mbo_valid |= OBD_MD_FLDIREA;
+ else
+ repbody->mbo_valid |= OBD_MD_FLEASIZE;
+ mdt_dump_lmm(D_INFO, ma->ma_lmm, repbody->mbo_valid);
}
if (ma->ma_valid & MA_LMV) {
+ /* Return -ENOTSUPP for old client */
+ if (!mdt_is_striped_client(req->rq_export))
+ RETURN(-ENOTSUPP);
+
LASSERT(S_ISDIR(la->la_mode));
mdt_dump_lmv(D_INFO, ma->ma_lmv);
- repbody->eadatasize = ma->ma_lmv_size;
- repbody->valid |= (OBD_MD_FLDIREA|OBD_MD_MEA);
+ repbody->mbo_eadatasize = ma->ma_lmv_size;
+ repbody->mbo_valid |= (OBD_MD_FLDIREA|OBD_MD_MEA);
}
if (ma->ma_valid & MA_LMV_DEF) {
+ /* Return -ENOTSUPP for old client */
+ if (!mdt_is_striped_client(req->rq_export))
+ RETURN(-ENOTSUPP);
LASSERT(S_ISDIR(la->la_mode));
- repbody->eadatasize = ma->ma_lmv_size;
- repbody->valid |= (OBD_MD_FLDIREA|OBD_MD_DEFAULT_MEA);
+ repbody->mbo_eadatasize = ma->ma_lmv_size;
+ repbody->mbo_valid |= (OBD_MD_FLDIREA |
+ OBD_MD_DEFAULT_MEA);
}
} else if (S_ISLNK(la->la_mode) &&
- reqbody->valid & OBD_MD_LINKNAME) {
+ reqbody->mbo_valid & OBD_MD_LINKNAME) {
buffer->lb_buf = ma->ma_lmm;
/* eadatasize from client includes NULL-terminator, so
* there is no need to read it */
- buffer->lb_len = reqbody->eadatasize - 1;
+ buffer->lb_len = reqbody->mbo_eadatasize - 1;
rc = mo_readlink(env, next, buffer);
if (unlikely(rc <= 0)) {
CERROR("%s: readlink failed for "DFID": rc = %d\n",
if (OBD_FAIL_CHECK(OBD_FAIL_MDS_READLINK_EPROTO))
rc -= 2;
- repbody->valid |= OBD_MD_LINKNAME;
+ repbody->mbo_valid |= OBD_MD_LINKNAME;
/* we need to report back size with NULL-terminator
* because client expects that */
- repbody->eadatasize = rc + 1;
- if (repbody->eadatasize != reqbody->eadatasize)
+ repbody->mbo_eadatasize = rc + 1;
+ if (repbody->mbo_eadatasize != reqbody->mbo_eadatasize)
CDEBUG(D_INODE, "%s: Read shorter symlink %d "
"on "DFID ", expected %d\n",
mdt_obd_name(info->mti_mdt),
rc, PFID(mdt_object_fid(o)),
- reqbody->eadatasize - 1);
+ reqbody->mbo_eadatasize - 1);
/* NULL terminate */
((char *)ma->ma_lmm)[rc] = 0;
}
}
- if (reqbody->valid & OBD_MD_FLMODEASIZE) {
- repbody->max_cookiesize = 0;
- repbody->max_mdsize = info->mti_mdt->mdt_max_mdsize;
- repbody->valid |= OBD_MD_FLMODEASIZE;
- CDEBUG(D_INODE, "I am going to change the MAX_MD_SIZE & "
- "MAX_COOKIE to : %d:%d\n", repbody->max_mdsize,
- repbody->max_cookiesize);
- }
+ if (reqbody->mbo_valid & OBD_MD_FLMODEASIZE) {
+ repbody->mbo_max_mdsize = info->mti_mdt->mdt_max_mdsize;
+ repbody->mbo_valid |= OBD_MD_FLMODEASIZE;
+ CDEBUG(D_INODE, "changing the max MD size to %u\n",
+ repbody->mbo_max_mdsize);
+ }
- if (exp_connect_rmtclient(info->mti_exp) &&
- reqbody->valid & OBD_MD_FLRMTPERM) {
- void *buf = req_capsule_server_get(pill, &RMF_ACL);
+ if (exp_connect_rmtclient(info->mti_exp) &&
+ reqbody->mbo_valid & OBD_MD_FLRMTPERM) {
+ void *buf = req_capsule_server_get(pill, &RMF_ACL);
- /* mdt_getattr_lock only */
- rc = mdt_pack_remote_perm(info, o, buf);
- if (rc) {
- repbody->valid &= ~OBD_MD_FLRMTPERM;
- repbody->aclsize = 0;
- RETURN(rc);
- } else {
- repbody->valid |= OBD_MD_FLRMTPERM;
- repbody->aclsize = sizeof(struct mdt_remote_perm);
- }
- }
+ /* mdt_getattr_lock only */
+ rc = mdt_pack_remote_perm(info, o, buf);
+ if (rc) {
+ repbody->mbo_valid &= ~OBD_MD_FLRMTPERM;
+ repbody->mbo_aclsize = 0;
+ RETURN(rc);
+ } else {
+ repbody->mbo_valid |= OBD_MD_FLRMTPERM;
+ repbody->mbo_aclsize = sizeof(struct mdt_remote_perm);
+ }
+ }
#ifdef CONFIG_FS_POSIX_ACL
else if ((exp_connect_flags(req->rq_export) & OBD_CONNECT_ACL) &&
- (reqbody->valid & OBD_MD_FLACL)) {
- buffer->lb_buf = req_capsule_server_get(pill, &RMF_ACL);
- buffer->lb_len = req_capsule_get_size(pill,
- &RMF_ACL, RCL_SERVER);
- if (buffer->lb_len > 0) {
- rc = mo_xattr_get(env, next, buffer,
- XATTR_NAME_ACL_ACCESS);
- if (rc < 0) {
- if (rc == -ENODATA) {
- repbody->aclsize = 0;
- repbody->valid |= OBD_MD_FLACL;
- rc = 0;
- } else if (rc == -EOPNOTSUPP) {
- rc = 0;
- } else {
- CERROR("%s: unable to read "DFID
- " ACL: rc = %d\n",
- mdt_obd_name(info->mti_mdt),
- PFID(mdt_object_fid(o)), rc);
- }
- } else {
- repbody->aclsize = rc;
- repbody->valid |= OBD_MD_FLACL;
- rc = 0;
- }
- }
- }
-#endif
+ (reqbody->mbo_valid & OBD_MD_FLACL)) {
+ struct lu_nodemap *nodemap = nodemap_get_from_exp(exp);
+ if (IS_ERR(nodemap))
+ RETURN(PTR_ERR(nodemap));
- if (reqbody->valid & OBD_MD_FLMDSCAPA &&
- info->mti_mdt->mdt_lut.lut_mds_capa &&
- exp_connect_flags(info->mti_exp) & OBD_CONNECT_MDS_CAPA) {
- struct lustre_capa *capa;
-
- capa = req_capsule_server_get(pill, &RMF_CAPA1);
- LASSERT(capa);
- capa->lc_opc = CAPA_OPC_MDS_DEFAULT;
- rc = mo_capa_get(env, next, capa, 0);
- if (rc)
- RETURN(rc);
- repbody->valid |= OBD_MD_FLMDSCAPA;
- }
+ rc = mdt_pack_acl2body(info, repbody, o, nodemap);
+ nodemap_putref(nodemap);
+ }
+#endif
out:
if (rc == 0)
RETURN(rc);
}
-static int mdt_renew_capa(struct mdt_thread_info *info)
-{
- struct mdt_object *obj = info->mti_object;
- struct mdt_body *body;
- struct lustre_capa *capa, *c;
- int rc;
- ENTRY;
-
- /* if object doesn't exist, or server has disabled capability,
- * return directly, client will find body->valid OBD_MD_FLOSSCAPA
- * flag not set.
- */
- if (!obj || !info->mti_mdt->mdt_lut.lut_oss_capa ||
- !(exp_connect_flags(info->mti_exp) & OBD_CONNECT_OSS_CAPA))
- RETURN(0);
-
- body = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
- LASSERT(body != NULL);
-
- c = req_capsule_client_get(info->mti_pill, &RMF_CAPA1);
- LASSERT(c);
-
- capa = req_capsule_server_get(info->mti_pill, &RMF_CAPA2);
- LASSERT(capa);
-
- *capa = *c;
- rc = mo_capa_get(info->mti_env, mdt_object_child(obj), capa, 1);
- if (rc == 0)
- body->valid |= OBD_MD_FLOSSCAPA;
- RETURN(rc);
-}
-
static int mdt_getattr(struct tgt_session_info *tsi)
{
struct mdt_thread_info *info = tsi2mdt_info(tsi);
reqbody = req_capsule_client_get(pill, &RMF_MDT_BODY);
LASSERT(reqbody);
-
- if (reqbody->valid & OBD_MD_FLOSSCAPA) {
- rc = req_capsule_server_pack(pill);
- if (unlikely(rc))
- RETURN(err_serious(rc));
- rc = mdt_renew_capa(info);
- GOTO(out_shrink, rc);
- }
-
LASSERT(obj != NULL);
LASSERT(lu_object_assert_exists(&obj->mot_obj));
* guess at EA size by just reading it from disk.
* Exceptions are readdir and (missing) directory striping */
/* Readlink */
- if (reqbody->valid & OBD_MD_LINKNAME) {
+ if (reqbody->mbo_valid & OBD_MD_LINKNAME) {
/* No easy way to know how long is the symlink, but it cannot
* be more than PATH_MAX, so we allocate +1 */
rc = PATH_MAX + 1;
*/
} else if (lu_fid_eq(mdt_object_fid(obj),
&info->mti_mdt->mdt_md_root_fid) &&
- (reqbody->valid & OBD_MD_FLDIREA) &&
+ (reqbody->mbo_valid & OBD_MD_FLDIREA) &&
(lustre_msg_get_opc(mdt_info_req(info)->rq_reqmsg) ==
MDS_GETATTR)) {
/* Should the default strping be bigger, mdt_fix_reply
}
if (rc < 0)
- GOTO(out_shrink, rc);
+ GOTO(out, rc = err_serious(rc));
req_capsule_set_size(pill, &RMF_MDT_MD, RCL_SERVER, rc);
repbody = req_capsule_server_get(pill, &RMF_MDT_BODY);
LASSERT(repbody != NULL);
- repbody->eadatasize = 0;
- repbody->aclsize = 0;
+ repbody->mbo_eadatasize = 0;
+ repbody->mbo_aclsize = 0;
- if (reqbody->valid & OBD_MD_FLRMTPERM)
- rc = mdt_init_ucred(info, reqbody);
- else
- rc = mdt_check_ucred(info);
- if (unlikely(rc))
- GOTO(out_shrink, rc);
+ if (reqbody->mbo_valid & OBD_MD_FLRMTPERM)
+ rc = mdt_init_ucred(info, reqbody);
+ else
+ rc = mdt_check_ucred(info);
+ if (unlikely(rc))
+ GOTO(out_shrink, rc);
- info->mti_cross_ref = !!(reqbody->valid & OBD_MD_FLCROSSREF);
+ info->mti_cross_ref = !!(reqbody->mbo_valid & OBD_MD_FLCROSSREF);
- /*
- * Don't check capability at all, because rename might getattr for
- * remote obj, and at that time no capability is available.
- */
- mdt_set_capainfo(info, 1, &reqbody->fid1, BYPASS_CAPA);
- rc = mdt_getattr_internal(info, obj, 0);
- if (reqbody->valid & OBD_MD_FLRMTPERM)
+ rc = mdt_getattr_internal(info, obj, 0);
+ if (reqbody->mbo_valid & OBD_MD_FLRMTPERM)
mdt_exit_ucred(info);
EXIT;
out_shrink:
return rc;
}
-static int mdt_is_subdir(struct tgt_session_info *tsi)
+/**
+ * Exchange MOF_LOV_CREATED flags between two objects after a
+ * layout swap. No assumption is made on whether o1 or o2 have
+ * created objects or not.
+ *
+ * \param[in,out] o1 First swap layout object
+ * \param[in,out] o2 Second swap layout object
+ */
+static void mdt_swap_lov_flag(struct mdt_object *o1, struct mdt_object *o2)
{
- struct mdt_thread_info *info = tsi2mdt_info(tsi);
- struct mdt_object *o = info->mti_object;
- struct req_capsule *pill = info->mti_pill;
- const struct mdt_body *body = info->mti_body;
- struct mdt_body *repbody;
- int rc;
- ENTRY;
+ __u64 o1_flags;
- LASSERT(o != NULL);
+ mutex_lock(&o1->mot_lov_mutex);
+ mutex_lock(&o2->mot_lov_mutex);
- repbody = req_capsule_server_get(pill, &RMF_MDT_BODY);
+ o1_flags = o1->mot_flags;
+ o1->mot_flags = (o1->mot_flags & ~MOF_LOV_CREATED) |
+ (o2->mot_flags & MOF_LOV_CREATED);
- /*
- * We save last checked parent fid to @repbody->fid1 for remote
- * directory case.
- */
- LASSERT(fid_is_sane(&body->fid2));
- LASSERT(mdt_object_exists(o) && !mdt_object_remote(o));
- rc = mdo_is_subdir(info->mti_env, mdt_object_child(o),
- &body->fid2, &repbody->fid1);
- if (rc == 0 || rc == -EREMOTE)
- repbody->valid |= OBD_MD_FLID;
+ o2->mot_flags = (o2->mot_flags & ~MOF_LOV_CREATED) |
+ (o1_flags & MOF_LOV_CREATED);
- mdt_thread_info_fini(info);
- RETURN(rc);
+ mutex_unlock(&o2->mot_lov_mutex);
+ mutex_unlock(&o1->mot_lov_mutex);
}
static int mdt_swap_layouts(struct tgt_session_info *tsi)
info = tsi2mdt_info(tsi);
if (info->mti_dlm_req != NULL)
- ldlm_request_cancel(req, info->mti_dlm_req, 0);
-
- if (req_capsule_get_size(info->mti_pill, &RMF_CAPA1, RCL_CLIENT))
- mdt_set_capainfo(info, 0, &info->mti_body->fid1,
- req_capsule_client_get(info->mti_pill,
- &RMF_CAPA1));
-
- if (req_capsule_get_size(info->mti_pill, &RMF_CAPA2, RCL_CLIENT))
- mdt_set_capainfo(info, 1, &info->mti_body->fid2,
- req_capsule_client_get(info->mti_pill,
- &RMF_CAPA2));
+ ldlm_request_cancel(req, info->mti_dlm_req, 0, LATF_SKIP);
o1 = info->mti_object;
o = o2 = mdt_object_find(info->mti_env, info->mti_mdt,
- &info->mti_body->fid2);
+ &info->mti_body->mbo_fid2);
if (IS_ERR(o))
GOTO(out, rc = PTR_ERR(o));
if (mdt_object_remote(o) || !mdt_object_exists(o)) /* remote object */
GOTO(put, rc = -ENOENT);
- rc = lu_fid_cmp(&info->mti_body->fid1, &info->mti_body->fid2);
+ rc = lu_fid_cmp(&info->mti_body->mbo_fid1, &info->mti_body->mbo_fid2);
if (unlikely(rc == 0)) /* same file, you kidding me? no-op. */
GOTO(put, rc);
mdt_lock_reg_init(lh2, LCK_EX);
rc = mdt_object_lock(info, o1, lh1, MDS_INODELOCK_LAYOUT |
- MDS_INODELOCK_XATTR, MDT_LOCAL_LOCK);
+ MDS_INODELOCK_XATTR);
if (rc < 0)
GOTO(put, rc);
rc = mdt_object_lock(info, o2, lh2, MDS_INODELOCK_LAYOUT |
- MDS_INODELOCK_XATTR, MDT_LOCAL_LOCK);
+ MDS_INODELOCK_XATTR);
if (rc < 0)
GOTO(unlock1, rc);
rc = mo_swap_layouts(info->mti_env, mdt_object_child(o1),
mdt_object_child(o2), msl->msl_flags);
- GOTO(unlock2, rc);
+ if (rc < 0)
+ GOTO(unlock2, rc);
+
+ mdt_swap_lov_flag(o1, o2);
+
unlock2:
mdt_object_unlock(info, o2, lh2, rc);
unlock1:
}
static int mdt_raw_lookup(struct mdt_thread_info *info,
- struct mdt_object *parent,
- const struct lu_name *lname,
- struct ldlm_reply *ldlm_rep)
-{
- struct md_object *next = mdt_object_child(info->mti_object);
- const struct mdt_body *reqbody = info->mti_body;
- struct lu_fid *child_fid = &info->mti_tmp_fid1;
- struct mdt_body *repbody;
- int rc;
- ENTRY;
-
- if (reqbody->valid != OBD_MD_FLID)
- RETURN(0);
-
- LASSERT(!info->mti_cross_ref);
+ struct mdt_object *parent,
+ const struct lu_name *lname,
+ struct ldlm_reply *ldlm_rep)
+{
+ struct lu_fid *child_fid = &info->mti_tmp_fid1;
+ int rc;
+ ENTRY;
- /* Only got the fid of this obj by name */
- fid_zero(child_fid);
- rc = mdo_lookup(info->mti_env, next, lname, child_fid,
- &info->mti_spec);
-#if 0
- /* XXX is raw_lookup possible as intent operation? */
- if (rc != 0) {
- if (rc == -ENOENT)
- mdt_set_disposition(info, ldlm_rep, DISP_LOOKUP_NEG);
- RETURN(rc);
- } else
- mdt_set_disposition(info, ldlm_rep, DISP_LOOKUP_POS);
+ LASSERT(!info->mti_cross_ref);
+
+ /* Only got the fid of this obj by name */
+ fid_zero(child_fid);
+ rc = mdo_lookup(info->mti_env, mdt_object_child(info->mti_object),
+ lname, child_fid, &info->mti_spec);
+ if (rc == 0) {
+ struct mdt_body *repbody;
+
+ repbody = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
+ repbody->mbo_fid1 = *child_fid;
+ repbody->mbo_valid = OBD_MD_FLID;
+ mdt_set_disposition(info, ldlm_rep, DISP_LOOKUP_POS);
+ } else if (rc == -ENOENT) {
+ mdt_set_disposition(info, ldlm_rep, DISP_LOOKUP_NEG);
+ }
- repbody = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
-#endif
- if (rc == 0) {
- repbody = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
- repbody->fid1 = *child_fid;
- repbody->valid = OBD_MD_FLID;
- }
- RETURN(1);
+ RETURN(rc);
}
/*
- * UPDATE lock should be taken against parent, and be release before exit;
+ * UPDATE lock should be taken against parent, and be released before exit;
* child_bits lock should be taken against child, and be returned back:
* (1)normal request should release the child lock;
* (2)intent request will grant the lock to client.
struct mdt_body *reqbody = NULL;
struct mdt_object *parent = info->mti_object;
struct mdt_object *child;
- struct md_object *next = mdt_object_child(parent);
struct lu_fid *child_fid = &info->mti_tmp_fid1;
struct lu_name *lname = NULL;
struct mdt_lock_handle *lhp = NULL;
LASSERT(ergo(is_resent,
lustre_msg_get_flags(req->rq_reqmsg) & MSG_RESENT));
- LASSERT(parent != NULL);
+ if (parent == NULL)
+ RETURN(-ENOENT);
if (info->mti_cross_ref) {
/* Only getattr on the child. Parent is on another node. */
"ldlm_rep = %p\n",
PFID(mdt_object_fid(child)), ldlm_rep);
- if (is_resent) {
- /* Do not take lock for resent case. */
- lock = ldlm_handle2lock(&lhc->mlh_reg_lh);
- LASSERTF(lock != NULL, "Invalid lock handle "LPX64"\n",
- lhc->mlh_reg_lh.cookie);
- LASSERT(fid_res_name_eq(mdt_object_fid(child),
- &lock->l_resource->lr_name));
- LDLM_LOCK_PUT(lock);
- } else {
+ rc = mdt_check_resent_lock(info, child, lhc);
+ if (rc < 0) {
+ RETURN(rc);
+ } else if (rc > 0) {
mdt_lock_handle_init(lhc);
mdt_lock_reg_init(lhc, LCK_PR);
MDS_INODELOCK_LAYOUT);
child_bits |= MDS_INODELOCK_PERM | MDS_INODELOCK_UPDATE;
- rc = mdt_object_lock(info, child, lhc, child_bits,
- MDT_LOCAL_LOCK);
+ rc = mdt_object_lock(info, child, lhc, child_bits);
if (rc < 0)
RETURN(rc);
}
if (!mdt_object_exists(child)) {
LU_OBJECT_DEBUG(D_INFO, info->mti_env,
&child->mot_obj,
- "remote object doesn't exist.\n");
+ "remote object doesn't exist.");
mdt_object_unlock(info, child, lhc, 1);
RETURN(-ENOENT);
}
- mdt_set_capainfo(info, 0, mdt_object_fid(child), BYPASS_CAPA);
rc = mdt_getattr_internal(info, child, 0);
if (unlikely(rc != 0))
mdt_object_unlock(info, child, lhc, 1);
if (unlikely(reqbody == NULL))
RETURN(err_serious(-EPROTO));
- *child_fid = reqbody->fid2;
+ *child_fid = reqbody->mbo_fid2;
if (unlikely(!fid_is_sane(child_fid)))
RETURN(err_serious(-EINVAL));
CDEBUG(D_INODE, "getattr with lock for "DFID"/"DFID", "
"ldlm_rep = %p\n",
PFID(mdt_object_fid(parent)),
- PFID(&reqbody->fid2), ldlm_rep);
+ PFID(&reqbody->mbo_fid2), ldlm_rep);
}
mdt_set_disposition(info, ldlm_rep, DISP_LOOKUP_EXECD);
if (unlikely(!mdt_object_exists(parent)) && lu_name_is_valid(lname)) {
LU_OBJECT_DEBUG(D_INODE, info->mti_env,
&parent->mot_obj,
- "Parent doesn't exist!\n");
+ "Parent doesn't exist!");
RETURN(-ESTALE);
}
}
if (lu_name_is_valid(lname)) {
- rc = mdt_raw_lookup(info, parent, lname, ldlm_rep);
- if (rc != 0) {
- if (rc > 0)
- rc = 0;
+ /* Always allow to lookup ".." */
+ if (unlikely(lname->ln_namelen == 2 &&
+ lname->ln_name[0] == '.' &&
+ lname->ln_name[1] == '.'))
+ info->mti_spec.sp_permitted = 1;
+
+ if (info->mti_body->mbo_valid == OBD_MD_FLID) {
+ rc = mdt_raw_lookup(info, parent, lname, ldlm_rep);
+
RETURN(rc);
}
if (S_ISDIR(lu_object_attr(&parent->mot_obj))) {
lhp = &info->mti_lh[MDT_LH_PARENT];
mdt_lock_pdo_init(lhp, LCK_PR, lname);
- rc = mdt_object_lock(info, parent, lhp,
- MDS_INODELOCK_UPDATE,
- MDT_LOCAL_LOCK);
- if (unlikely(rc != 0))
- RETURN(rc);
- }
+ rc = mdt_object_lock(info, parent, lhp,
+ MDS_INODELOCK_UPDATE);
+ if (unlikely(rc != 0))
+ RETURN(rc);
+ }
/* step 2: lookup child's fid by name */
fid_zero(child_fid);
- rc = mdo_lookup(info->mti_env, next, lname, child_fid,
- &info->mti_spec);
+ rc = mdo_lookup(info->mti_env, mdt_object_child(parent), lname,
+ child_fid, &info->mti_spec);
if (rc == -ENOENT)
mdt_set_disposition(info, ldlm_rep, DISP_LOOKUP_NEG);
if (unlikely(IS_ERR(child)))
GOTO(out_parent, rc = PTR_ERR(child));
- if (is_resent) {
- /* Do not take lock for resent case. */
- lock = ldlm_handle2lock(&lhc->mlh_reg_lh);
- LASSERTF(lock != NULL, "Invalid lock handle "LPX64"\n",
- lhc->mlh_reg_lh.cookie);
- if (!fid_res_name_eq(mdt_object_fid(child),
- &lock->l_resource->lr_name)) {
- LASSERTF(fid_res_name_eq(mdt_object_fid(parent),
- &lock->l_resource->lr_name),
- "Lock res_id: "DLDLMRES", fid: "DFID"\n",
- PLDLMRES(lock->l_resource),
- PFID(mdt_object_fid(parent)));
- CWARN("Although resent, but still not get child lock"
- "parent:"DFID" child:"DFID"\n",
- PFID(mdt_object_fid(parent)),
- PFID(mdt_object_fid(child)));
- lustre_msg_clear_flags(req->rq_reqmsg, MSG_RESENT);
- LDLM_LOCK_PUT(lock);
- GOTO(relock, 0);
- }
- LDLM_LOCK_PUT(lock);
- } else {
-relock:
- OBD_FAIL_TIMEOUT(OBD_FAIL_MDS_RESEND, obd_timeout*2);
+ OBD_FAIL_TIMEOUT(OBD_FAIL_MDS_RESEND, obd_timeout * 2);
+ if (!mdt_object_exists(child)) {
+ LU_OBJECT_DEBUG(D_INODE, info->mti_env,
+ &child->mot_obj,
+ "Object doesn't exist!");
+ GOTO(out_child, rc = -ENOENT);
+ }
+
+ rc = mdt_check_resent_lock(info, child, lhc);
+ if (rc < 0) {
+ GOTO(out_child, rc);
+ } else if (rc > 0) {
mdt_lock_handle_init(lhc);
mdt_lock_reg_init(lhc, LCK_PR);
try_layout = false;
- if (!mdt_object_exists(child)) {
- LU_OBJECT_DEBUG(D_INODE, info->mti_env,
- &child->mot_obj,
- "Object doesn't exist!\n");
- GOTO(out_child, rc = -ENOENT);
- }
-
if (!(child_bits & MDS_INODELOCK_UPDATE) &&
mdt_object_exists(child) && !mdt_object_remote(child)) {
struct md_attr *ma = &info->mti_attr;
child_bits |= MDS_INODELOCK_LAYOUT;
/* try layout lock, it may fail to be granted due to
* contention at LOOKUP or UPDATE */
- if (!mdt_object_lock_try(info, child, lhc, child_bits,
- MDT_CROSS_LOCK)) {
+ if (!mdt_object_lock_try(info, child, lhc,
+ child_bits)) {
child_bits &= ~MDS_INODELOCK_LAYOUT;
LASSERT(child_bits != 0);
rc = mdt_object_lock(info, child, lhc,
- child_bits, MDT_CROSS_LOCK);
+ child_bits);
} else {
ma_need |= MA_LOV;
}
* client will enqueue the lock to the remote MDT */
if (mdt_object_remote(child))
child_bits &= ~MDS_INODELOCK_UPDATE;
- rc = mdt_object_lock(info, child, lhc, child_bits,
- MDT_CROSS_LOCK);
+ rc = mdt_object_lock(info, child, lhc, child_bits);
}
if (unlikely(rc != 0))
GOTO(out_child, rc);
}
lock = ldlm_handle2lock(&lhc->mlh_reg_lh);
- /* Get MA_SOM attributes if update lock is given. */
- if (lock &&
- lock->l_policy_data.l_inodebits.bits & MDS_INODELOCK_UPDATE &&
- S_ISREG(lu_object_attr(&mdt_object_child(child)->mo_lu)))
- ma_need |= MA_SOM;
/* finally, we can get attr for child. */
- mdt_set_capainfo(info, 1, child_fid, BYPASS_CAPA);
rc = mdt_getattr_internal(info, child, ma_need);
if (unlikely(rc != 0)) {
mdt_object_unlock(info, child, lhc, 1);
"Lock res_id: "DLDLMRES", fid: "DFID"\n",
PLDLMRES(lock->l_resource),
PFID(mdt_object_fid(child)));
- if (mdt_object_exists(child) && !mdt_object_remote(child))
- mdt_pack_size2body(info, child);
}
if (lock)
LDLM_LOCK_PUT(lock);
repbody = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
LASSERT(repbody != NULL);
- info->mti_cross_ref = !!(reqbody->valid & OBD_MD_FLCROSSREF);
- repbody->eadatasize = 0;
- repbody->aclsize = 0;
+ info->mti_cross_ref = !!(reqbody->mbo_valid & OBD_MD_FLCROSSREF);
+ repbody->mbo_eadatasize = 0;
+ repbody->mbo_aclsize = 0;
- rc = mdt_init_ucred(info, reqbody);
+ rc = mdt_init_ucred_intent_getattr(info, reqbody);
if (unlikely(rc))
GOTO(out_shrink, rc);
}
static int mdt_iocontrol(unsigned int cmd, struct obd_export *exp, int len,
- void *karg, void *uarg);
+ void *karg, void __user *uarg);
static int mdt_set_info(struct tgt_session_info *tsi)
{
rc = mdt_iocontrol(OBD_IOC_CHANGELOG_CLEAR, req->rq_export,
vallen, val, NULL);
+ } else if (KEY_IS(KEY_EVICT_BY_NID)) {
+ if (vallen > 0)
+ obd_export_evict_by_nid(req->rq_export->exp_obd, val);
} else {
RETURN(-EINVAL);
}
* reqbody->size contains offset of where to start to read and
* reqbody->nlink contains number bytes to read.
*/
- rdpg->rp_hash = reqbody->size;
- if (rdpg->rp_hash != reqbody->size) {
- CERROR("Invalid hash: "LPX64" != "LPX64"\n",
- rdpg->rp_hash, reqbody->size);
- RETURN(-EFAULT);
- }
+ rdpg->rp_hash = reqbody->mbo_size;
+ if (rdpg->rp_hash != reqbody->mbo_size) {
+ CERROR("Invalid hash: "LPX64" != "LPX64"\n",
+ rdpg->rp_hash, reqbody->mbo_size);
+ RETURN(-EFAULT);
+ }
- rdpg->rp_attrs = reqbody->mode;
+ rdpg->rp_attrs = reqbody->mbo_mode;
if (exp_connect_flags(tsi->tsi_exp) & OBD_CONNECT_64BITHASH)
rdpg->rp_attrs |= LUDA_64BITHASH;
- rdpg->rp_count = min_t(unsigned int, reqbody->nlink,
+ rdpg->rp_count = min_t(unsigned int, reqbody->mbo_nlink,
exp_max_brw_size(tsi->tsi_exp));
rdpg->rp_npages = (rdpg->rp_count + PAGE_CACHE_SIZE - 1) >>
PAGE_CACHE_SHIFT;
if (req_capsule_has_field(pill, &RMF_MDT_BODY, RCL_SERVER)) {
repbody = req_capsule_server_get(pill, &RMF_MDT_BODY);
LASSERT(repbody);
- repbody->eadatasize = 0;
- repbody->aclsize = 0;
+ repbody->mbo_eadatasize = 0;
+ repbody->mbo_aclsize = 0;
}
OBD_FAIL_TIMEOUT(OBD_FAIL_MDS_REINT_DELAY, 10);
if (rc != 0)
GOTO(out_ucred, rc = err_serious(rc));
- if (mdt_check_resent(info, mdt_reconstruct, lhc)) {
+ rc = mdt_check_resent(info, mdt_reconstruct, lhc);
+ if (rc < 0) {
+ GOTO(out_ucred, rc);
+ } else if (rc == 1) {
DEBUG_REQ(D_INODE, mdt_info_req(info), "resent opt.");
rc = lustre_msg_get_status(mdt_info_req(info)->rq_repmsg);
GOTO(out_ucred, rc);
/* this should sync this object */
static int mdt_object_sync(struct mdt_thread_info *info)
{
- struct md_object *next;
- int rc;
- ENTRY;
+ struct md_object *next;
+ int rc;
+ ENTRY;
- if (!mdt_object_exists(info->mti_object)) {
- CWARN("Non existing object "DFID"!\n",
- PFID(mdt_object_fid(info->mti_object)));
- RETURN(-ESTALE);
- }
- next = mdt_object_child(info->mti_object);
- rc = mo_object_sync(info->mti_env, next);
+ if (!mdt_object_exists(info->mti_object)) {
+ CWARN("%s: non existing object "DFID": rc = %d\n",
+ mdt_obd_name(info->mti_mdt),
+ PFID(mdt_object_fid(info->mti_object)), -ESTALE);
+ RETURN(-ESTALE);
+ }
+ next = mdt_object_child(info->mti_object);
+ rc = mo_object_sync(info->mti_env, next);
- RETURN(rc);
+ RETURN(rc);
}
static int mdt_sync(struct tgt_session_info *tsi)
if (OBD_FAIL_CHECK(OBD_FAIL_MDS_SYNC_PACK))
RETURN(err_serious(-ENOMEM));
- if (fid_seq(&tsi->tsi_mdt_body->fid1) == 0) {
+ if (fid_seq(&tsi->tsi_mdt_body->mbo_fid1) == 0) {
rc = mdt_device_sync(tsi->tsi_env, mdt_exp2dev(tsi->tsi_exp));
} else {
struct mdt_thread_info *info = tsi2mdt_info(tsi);
int id, rc;
struct mdt_device *mdt = mdt_exp2dev(exp);
struct lu_device *qmt = mdt->mdt_qmt_dev;
+ struct lu_nodemap *nodemap;
ENTRY;
oqctl = req_capsule_client_get(pill, &RMF_OBD_QUOTACTL);
if (rc)
RETURN(err_serious(rc));
+ nodemap = nodemap_get_from_exp(exp);
+ if (IS_ERR(nodemap))
+ RETURN(PTR_ERR(nodemap));
+
switch (oqctl->qc_cmd) {
- case Q_QUOTACHECK:
- case LUSTRE_Q_INVALIDATE:
- case LUSTRE_Q_FINVALIDATE:
- case Q_QUOTAON:
- case Q_QUOTAOFF:
- case Q_INITQUOTA:
- /* deprecated, not used any more */
- RETURN(-EOPNOTSUPP);
/* master quotactl */
- case Q_GETINFO:
case Q_SETINFO:
case Q_SETQUOTA:
+ if (!nodemap_can_setquota(nodemap))
+ GOTO(out_nodemap, rc = -EPERM);
+ case Q_GETINFO:
case Q_GETQUOTA:
if (qmt == NULL)
- RETURN(-EOPNOTSUPP);
+ GOTO(out_nodemap, rc = -EOPNOTSUPP);
/* slave quotactl */
case Q_GETOINFO:
case Q_GETOQUOTA:
break;
default:
CERROR("Unsupported quotactl command: %d\n", oqctl->qc_cmd);
- RETURN(-EFAULT);
+ GOTO(out_nodemap, rc = -EFAULT);
}
/* map uid/gid for remote client */
if (unlikely(oqctl->qc_cmd != Q_GETQUOTA &&
oqctl->qc_cmd != Q_GETINFO))
- RETURN(-EPERM);
+ GOTO(out_nodemap, rc = -EPERM);
if (oqctl->qc_type == USRQUOTA)
id = lustre_idmap_lookup_uid(NULL, idmap, 0,
id = lustre_idmap_lookup_gid(NULL, idmap, 0,
oqctl->qc_id);
else
- RETURN(-EINVAL);
+ GOTO(out_nodemap, rc = -EINVAL);
if (id == CFS_IDMAP_NOTFOUND) {
CDEBUG(D_QUOTA, "no mapping for id %u\n", oqctl->qc_id);
- RETURN(-EACCES);
+ GOTO(out_nodemap, rc = -EACCES);
}
}
+ if (oqctl->qc_type == USRQUOTA)
+ id = nodemap_map_id(nodemap, NODEMAP_UID,
+ NODEMAP_CLIENT_TO_FS, id);
+ else if (oqctl->qc_type == GRPQUOTA)
+ id = nodemap_map_id(nodemap, NODEMAP_UID,
+ NODEMAP_CLIENT_TO_FS, id);
+
repoqc = req_capsule_server_get(pill, &RMF_OBD_QUOTACTL);
if (repoqc == NULL)
- RETURN(err_serious(-EFAULT));
+ GOTO(out_nodemap, rc = err_serious(-EFAULT));
if (oqctl->qc_id != id)
swap(oqctl->qc_id, id);
default:
CERROR("Unsupported quotactl command: %d\n", oqctl->qc_cmd);
- RETURN(-EFAULT);
+ GOTO(out_nodemap, rc = -EFAULT);
}
if (oqctl->qc_id != id)
swap(oqctl->qc_id, id);
*repoqc = *oqctl;
- RETURN(rc);
+
+ EXIT;
+
+out_nodemap:
+ nodemap_putref(nodemap);
+
+ return rc;
}
/** clone llog ctxt from child (mdd)
static void mdt_device_commit_async(const struct lu_env *env,
struct mdt_device *mdt)
{
- struct dt_device *dt = mdt->mdt_bottom;
- int rc;
+ struct dt_device *dt = mdt->mdt_bottom;
+ int rc;
+ ENTRY;
- rc = dt->dd_ops->dt_commit_async(env, dt);
- if (unlikely(rc != 0))
- CWARN("async commit start failed with rc = %d", rc);
+ rc = dt->dd_ops->dt_commit_async(env, dt);
+ if (unlikely(rc != 0))
+ CWARN("%s: async commit start failed: rc = %d\n",
+ mdt_obd_name(mdt), rc);
+ atomic_inc(&mdt->mdt_async_commit_count);
+ EXIT;
}
/**
if (flag == LDLM_CB_CANCELING)
RETURN(0);
+
lock_res_and_lock(lock);
if (lock->l_blocking_ast != mdt_blocking_ast) {
unlock_res_and_lock(lock);
RETURN(0);
}
- if (mdt_cos_is_enabled(mdt) &&
- lock->l_req_mode & (LCK_PW | LCK_EX) &&
- lock->l_blocking_lock != NULL &&
- lock->l_client_cookie != lock->l_blocking_lock->l_client_cookie) {
- mdt_set_lock_sync(lock);
- }
+ if (lock->l_req_mode & (LCK_PW | LCK_EX) &&
+ lock->l_blocking_lock != NULL) {
+ if (mdt_cos_is_enabled(mdt) &&
+ lock->l_client_cookie !=
+ lock->l_blocking_lock->l_client_cookie)
+ mdt_set_lock_sync(lock);
+ else if (mdt_slc_is_enabled(mdt) &&
+ ldlm_is_cos_incompat(lock->l_blocking_lock))
+ mdt_set_lock_sync(lock);
+ }
rc = ldlm_blocking_ast_nocheck(lock);
/* There is no lock conflict if l_blocking_lock == NULL,
if (lock->l_req_mode == LCK_COS && lock->l_blocking_lock != NULL) {
struct lu_env env;
- rc = lu_env_init(&env, LCT_LOCAL);
- if (unlikely(rc != 0))
- CWARN("lu_env initialization failed with rc = %d,"
- "cannot start asynchronous commit\n", rc);
+ rc = lu_env_init(&env, LCT_LOCAL);
+ if (unlikely(rc != 0))
+ CWARN("%s: lu_env initialization failed, cannot "
+ "start asynchronous commit: rc = %d\n",
+ obd->obd_name, rc);
else
mdt_device_commit_async(&env, mdt);
lu_env_fini(&env);
RETURN(rc);
}
-/* Used for cross-MDT lock */
+/*
+ * Blocking AST for cross-MDT lock
+ *
+ * Discard lock from uncommitted_slc_locks and cancel it.
+ *
+ * \param lock the lock which blocks a request or cancelling lock
+ * \param desc unused
+ * \param data unused
+ * \param flag indicates whether this cancelling or blocking callback
+ * \retval 0 on success
+ * \retval negative number on error
+ */
int mdt_remote_blocking_ast(struct ldlm_lock *lock, struct ldlm_lock_desc *desc,
void *data, int flag)
{
struct lustre_handle lockh;
int rc;
+ ENTRY;
switch (flag) {
case LDLM_CB_BLOCKING:
ldlm_lock2handle(lock, &lockh);
- rc = ldlm_cli_cancel(&lockh, LCF_ASYNC);
+ rc = ldlm_cli_cancel(&lockh,
+ ldlm_is_atomic_cb(lock) ? 0 : LCF_ASYNC);
if (rc < 0) {
CDEBUG(D_INODE, "ldlm_cli_cancel: %d\n", rc);
RETURN(rc);
}
break;
case LDLM_CB_CANCELING:
- LDLM_DEBUG(lock, "Revoke remote lock\n");
+ LDLM_DEBUG(lock, "Revoke remote lock");
+ /* discard slc lock here so that it can be cleaned anytime,
+ * especially for cleanup_resource() */
+ tgt_discard_slc_lock(lock);
break;
default:
LBUG();
}
+
RETURN(0);
}
-int mdt_remote_object_lock(struct mdt_thread_info *mti,
- struct mdt_object *o, const struct lu_fid *fid,
- struct lustre_handle *lh, ldlm_mode_t mode,
- __u64 ibits)
+int mdt_check_resent_lock(struct mdt_thread_info *info,
+ struct mdt_object *mo,
+ struct mdt_lock_handle *lhc)
+{
+ /* the lock might already be gotten in ldlm_handle_enqueue() */
+ if (unlikely(lustre_handle_is_used(&lhc->mlh_reg_lh))) {
+ struct ptlrpc_request *req = mdt_info_req(info);
+ struct ldlm_lock *lock;
+
+ lock = ldlm_handle2lock(&lhc->mlh_reg_lh);
+ LASSERT(lustre_msg_get_flags(req->rq_reqmsg) & MSG_RESENT);
+ if (lock == NULL) {
+ /* Lock is pinned by ldlm_handle_enqueue0() as it is
+ * a resend case, however, it could be already destroyed
+ * due to client eviction or a raced cancel RPC. */
+ LDLM_DEBUG_NOLOCK("Invalid lock handle "LPX64,
+ lhc->mlh_reg_lh.cookie);
+ RETURN(-ESTALE);
+ }
+
+ if (!fid_res_name_eq(mdt_object_fid(mo),
+ &lock->l_resource->lr_name)) {
+ CWARN("%s: Although resent, but still not "
+ "get child lock:"DFID"\n",
+ info->mti_exp->exp_obd->obd_name,
+ PFID(mdt_object_fid(mo)));
+ LDLM_LOCK_PUT(lock);
+ RETURN(-EPROTO);
+ }
+ LDLM_LOCK_PUT(lock);
+ return 0;
+ }
+ return 1;
+}
+
+int mdt_remote_object_lock(struct mdt_thread_info *mti, struct mdt_object *o,
+ const struct lu_fid *fid, struct lustre_handle *lh,
+ enum ldlm_mode mode, __u64 ibits, bool nonblock)
{
struct ldlm_enqueue_info *einfo = &mti->mti_einfo;
- ldlm_policy_data_t *policy = &mti->mti_policy;
+ union ldlm_policy_data *policy = &mti->mti_policy;
struct ldlm_res_id *res_id = &mti->mti_res_id;
int rc = 0;
ENTRY;
LASSERT(mdt_object_remote(o));
- LASSERT(ibits == MDS_INODELOCK_UPDATE);
-
fid_build_reg_res_name(fid, res_id);
memset(einfo, 0, sizeof(*einfo));
einfo->ei_cb_cp = ldlm_completion_ast;
einfo->ei_enq_slave = 0;
einfo->ei_res_id = res_id;
+ if (nonblock)
+ einfo->ei_nonblock = 1;
memset(policy, 0, sizeof(*policy));
policy->l_inodebits.bits = ibits;
static int mdt_object_local_lock(struct mdt_thread_info *info,
struct mdt_object *o,
struct mdt_lock_handle *lh, __u64 ibits,
- bool nonblock, int locality)
+ bool nonblock, bool cos_incompat)
{
- struct ldlm_namespace *ns = info->mti_mdt->mdt_namespace;
- ldlm_policy_data_t *policy = &info->mti_policy;
- struct ldlm_res_id *res_id = &info->mti_res_id;
- __u64 dlmflags;
- int rc;
- ENTRY;
+ struct ldlm_namespace *ns = info->mti_mdt->mdt_namespace;
+ union ldlm_policy_data *policy = &info->mti_policy;
+ struct ldlm_res_id *res_id = &info->mti_res_id;
+ __u64 dlmflags = 0;
+ int rc;
+ ENTRY;
LASSERT(!lustre_handle_is_used(&lh->mlh_reg_lh));
LASSERT(!lustre_handle_is_used(&lh->mlh_pdo_lh));
LASSERT(lh->mlh_reg_mode != LCK_MINMODE);
LASSERT(lh->mlh_type != MDT_NUL_LOCK);
+ if (cos_incompat) {
+ LASSERT(lh->mlh_reg_mode == LCK_PW ||
+ lh->mlh_reg_mode == LCK_EX);
+ dlmflags |= LDLM_FL_COS_INCOMPAT;
+ } else if (mdt_cos_is_enabled(info->mti_mdt)) {
+ dlmflags |= LDLM_FL_COS_ENABLED;
+ }
+
/* Only enqueue LOOKUP lock for remote object */
if (mdt_object_remote(o))
LASSERT(ibits == MDS_INODELOCK_LOOKUP);
memset(policy, 0, sizeof(*policy));
fid_build_reg_res_name(mdt_object_fid(o), res_id);
- dlmflags = LDLM_FL_ATOMIC_CB;
+ dlmflags |= LDLM_FL_ATOMIC_CB;
if (nonblock)
dlmflags |= LDLM_FL_BLOCK_NOWAIT;
policy, res_id, dlmflags,
info->mti_exp == NULL ? NULL :
&info->mti_exp->exp_handle.h_cookie);
- if (unlikely(rc))
- RETURN(rc);
+ if (unlikely(rc != 0))
+ GOTO(out_unlock, rc);
}
/*
res_id, LDLM_FL_LOCAL_ONLY | dlmflags,
info->mti_exp == NULL ? NULL :
&info->mti_exp->exp_handle.h_cookie);
- if (rc)
- mdt_object_unlock(info, o, lh, 1);
- else if (unlikely(OBD_FAIL_PRECHECK(OBD_FAIL_MDS_PDO_LOCK)) &&
- lh->mlh_pdo_hash != 0 &&
- (lh->mlh_reg_mode == LCK_PW || lh->mlh_reg_mode == LCK_EX)) {
- OBD_FAIL_TIMEOUT(OBD_FAIL_MDS_PDO_LOCK, 15);
- }
+out_unlock:
+ if (rc != 0)
+ mdt_object_unlock(info, o, lh, 1);
+ else if (unlikely(OBD_FAIL_PRECHECK(OBD_FAIL_MDS_PDO_LOCK)) &&
+ lh->mlh_pdo_hash != 0 &&
+ (lh->mlh_reg_mode == LCK_PW || lh->mlh_reg_mode == LCK_EX))
+ OBD_FAIL_TIMEOUT(OBD_FAIL_MDS_PDO_LOCK, 15);
- RETURN(rc);
+ RETURN(rc);
}
static int
mdt_object_lock_internal(struct mdt_thread_info *info, struct mdt_object *o,
- struct mdt_lock_handle *lh, __u64 ibits,
- bool nonblock, int locality)
+ struct mdt_lock_handle *lh, __u64 ibits, bool nonblock,
+ bool cos_incompat)
{
+ struct mdt_lock_handle *local_lh = NULL;
int rc;
ENTRY;
- if (!mdt_object_remote(o))
- return mdt_object_local_lock(info, o, lh, ibits, nonblock,
- locality);
-
- if (locality == MDT_LOCAL_LOCK) {
- CERROR("%s: try to get local lock for remote object"
- DFID".\n", mdt_obd_name(info->mti_mdt),
- PFID(mdt_object_fid(o)));
- RETURN(-EPROTO);
+ if (!mdt_object_remote(o)) {
+ rc = mdt_object_local_lock(info, o, lh, ibits, nonblock,
+ cos_incompat);
+ RETURN(rc);
}
/* XXX do not support PERM/LAYOUT/XATTR lock for remote object yet */
ibits &= ~(MDS_INODELOCK_PERM | MDS_INODELOCK_LAYOUT |
MDS_INODELOCK_XATTR);
+
+ /* Only enqueue LOOKUP lock for remote object */
+ if (ibits & MDS_INODELOCK_LOOKUP) {
+ rc = mdt_object_local_lock(info, o, lh, MDS_INODELOCK_LOOKUP,
+ nonblock, cos_incompat);
+ if (rc != ELDLM_OK)
+ RETURN(rc);
+
+ local_lh = lh;
+ }
+
if (ibits & MDS_INODELOCK_UPDATE) {
/* Sigh, PDO needs to enqueue 2 locks right now, but
* enqueue RPC can only request 1 lock, to avoid extra
rc = mdt_remote_object_lock(info, o, mdt_object_fid(o),
&lh->mlh_rreg_lh,
lh->mlh_rreg_mode,
- MDS_INODELOCK_UPDATE);
- if (rc != ELDLM_OK)
- RETURN(rc);
- }
-
- /* Only enqueue LOOKUP lock for remote object */
- if (ibits & MDS_INODELOCK_LOOKUP) {
- rc = mdt_object_local_lock(info, o, lh,
- MDS_INODELOCK_LOOKUP,
- nonblock, locality);
- if (rc != ELDLM_OK)
+ MDS_INODELOCK_UPDATE, nonblock);
+ if (rc != ELDLM_OK) {
+ if (local_lh != NULL)
+ mdt_object_unlock(info, o, local_lh, rc);
RETURN(rc);
+ }
}
RETURN(0);
}
int mdt_object_lock(struct mdt_thread_info *info, struct mdt_object *o,
- struct mdt_lock_handle *lh, __u64 ibits, int locality)
+ struct mdt_lock_handle *lh, __u64 ibits)
+{
+ return mdt_object_lock_internal(info, o, lh, ibits, false, false);
+}
+
+int mdt_reint_object_lock(struct mdt_thread_info *info, struct mdt_object *o,
+ struct mdt_lock_handle *lh, __u64 ibits,
+ bool cos_incompat)
{
- return mdt_object_lock_internal(info, o, lh, ibits, false, locality);
+ LASSERT(lh->mlh_reg_mode == LCK_PW || lh->mlh_reg_mode == LCK_EX);
+ return mdt_object_lock_internal(info, o, lh, ibits, false,
+ cos_incompat);
}
int mdt_object_lock_try(struct mdt_thread_info *info, struct mdt_object *o,
- struct mdt_lock_handle *lh, __u64 ibits, int locality)
+ struct mdt_lock_handle *lh, __u64 ibits)
+{
+ struct mdt_lock_handle tmp = *lh;
+ int rc;
+
+ rc = mdt_object_lock_internal(info, o, &tmp, ibits, true, false);
+ if (rc == 0)
+ *lh = tmp;
+
+ return rc == 0;
+}
+
+int mdt_reint_object_lock_try(struct mdt_thread_info *info,
+ struct mdt_object *o, struct mdt_lock_handle *lh,
+ __u64 ibits, bool cos_incompat)
{
struct mdt_lock_handle tmp = *lh;
int rc;
- rc = mdt_object_lock_internal(info, o, &tmp, ibits, true, locality);
+ LASSERT(lh->mlh_reg_mode == LCK_PW || lh->mlh_reg_mode == LCK_EX);
+ rc = mdt_object_lock_internal(info, o, &tmp, ibits, true, cos_incompat);
if (rc == 0)
*lh = tmp;
* \param mode lock mode
* \param decref force immediate lock releasing
*/
-static
-void mdt_save_lock(struct mdt_thread_info *info, struct lustre_handle *h,
- ldlm_mode_t mode, int decref)
+static void mdt_save_lock(struct mdt_thread_info *info, struct lustre_handle *h,
+ enum ldlm_mode mode, int decref)
{
- ENTRY;
+ ENTRY;
- if (lustre_handle_is_used(h)) {
- if (decref || !info->mti_has_trans ||
- !(mode & (LCK_PW | LCK_EX))){
- mdt_fid_unlock(h, mode);
- } else {
- struct mdt_device *mdt = info->mti_mdt;
- struct ldlm_lock *lock = ldlm_handle2lock(h);
- struct ptlrpc_request *req = mdt_info_req(info);
- int no_ack = 0;
+ if (lustre_handle_is_used(h)) {
+ if (decref || !info->mti_has_trans ||
+ !(mode & (LCK_PW | LCK_EX))) {
+ mdt_fid_unlock(h, mode);
+ } else {
+ struct mdt_device *mdt = info->mti_mdt;
+ struct ldlm_lock *lock = ldlm_handle2lock(h);
+ struct ptlrpc_request *req = mdt_info_req(info);
+ int cos;
+
+ cos = (mdt_cos_is_enabled(mdt) ||
+ mdt_slc_is_enabled(mdt));
+
+ LASSERTF(lock != NULL, "no lock for cookie "LPX64"\n",
+ h->cookie);
- LASSERTF(lock != NULL, "no lock for cookie "LPX64"\n",
- h->cookie);
/* there is no request if mdt_object_unlock() is called
* from mdt_export_cleanup()->mdt_add_dirty_flag() */
if (likely(req != NULL)) {
CDEBUG(D_HA, "request = %p reply state = %p"
" transno = "LPD64"\n", req,
req->rq_reply_state, req->rq_transno);
- if (mdt_cos_is_enabled(mdt)) {
- no_ack = 1;
+ if (cos) {
ldlm_lock_downgrade(lock, LCK_COS);
mode = LCK_COS;
}
- ptlrpc_save_lock(req, h, mode, no_ack);
+ ptlrpc_save_lock(req, h, mode, cos);
} else {
- ldlm_lock_decref(h, mode);
+ mdt_fid_unlock(h, mode);
}
if (mdt_is_lock_sync(lock)) {
CDEBUG(D_HA, "found sync-lock,"
}
/**
+ * Save cross-MDT lock in uncommitted_slc_locks
+ *
+ * Keep the lock referenced until transaction commit happens or release the lock
+ * immediately depending on input parameters.
+ *
+ * \param info thead info object
+ * \param h lock handle
+ * \param mode lock mode
+ * \param decref force immediate lock releasing
+ */
+static void mdt_save_remote_lock(struct mdt_thread_info *info,
+ struct lustre_handle *h, enum ldlm_mode mode,
+ int decref)
+{
+ ENTRY;
+
+ if (lustre_handle_is_used(h)) {
+ if (decref || !info->mti_has_trans ||
+ !(mode & (LCK_PW | LCK_EX))) {
+ ldlm_lock_decref_and_cancel(h, mode);
+ } else {
+ struct ldlm_lock *lock = ldlm_handle2lock(h);
+ struct ptlrpc_request *req = mdt_info_req(info);
+
+ LASSERT(req != NULL);
+ tgt_save_slc_lock(lock, req->rq_transno);
+ ldlm_lock_decref(h, mode);
+ }
+ h->cookie = 0ull;
+ }
+
+ EXIT;
+}
+
+/**
* Unlock mdt object.
*
* Immeditely release the regular lock and the PDO lock or save the
- * lock in reqeuest and keep them referenced until client ACK or
+ * lock in request and keep them referenced until client ACK or
* transaction commit.
*
* \param info thread info object
* \param decref force immediate lock releasing
*/
void mdt_object_unlock(struct mdt_thread_info *info, struct mdt_object *o,
- struct mdt_lock_handle *lh, int decref)
+ struct mdt_lock_handle *lh, int decref)
{
- ENTRY;
-
- mdt_save_lock(info, &lh->mlh_pdo_lh, lh->mlh_pdo_mode, decref);
- mdt_save_lock(info, &lh->mlh_reg_lh, lh->mlh_reg_mode, decref);
+ ENTRY;
- if (lustre_handle_is_used(&lh->mlh_rreg_lh))
- ldlm_lock_decref(&lh->mlh_rreg_lh, lh->mlh_rreg_mode);
+ mdt_save_lock(info, &lh->mlh_pdo_lh, lh->mlh_pdo_mode, decref);
+ mdt_save_lock(info, &lh->mlh_reg_lh, lh->mlh_reg_mode, decref);
+ mdt_save_remote_lock(info, &lh->mlh_rreg_lh, lh->mlh_rreg_mode, decref);
- EXIT;
+ EXIT;
}
struct mdt_object *mdt_object_find_lock(struct mdt_thread_info *info,
if (!IS_ERR(o)) {
int rc;
- rc = mdt_object_lock(info, o, lh, ibits,
- MDT_LOCAL_LOCK);
+ rc = mdt_object_lock(info, o, lh, ibits);
if (rc != 0) {
mdt_object_put(info->mti_env, o);
o = ERR_PTR(rc);
if (body == NULL)
RETURN(-EFAULT);
- if (!(body->valid & OBD_MD_FLID))
- RETURN(0);
+ if (!(body->mbo_valid & OBD_MD_FLID))
+ RETURN(0);
- if (!fid_is_sane(&body->fid1)) {
- CERROR("Invalid fid: "DFID"\n", PFID(&body->fid1));
+ if (!fid_is_sane(&body->mbo_fid1)) {
+ CERROR("Invalid fid: "DFID"\n", PFID(&body->mbo_fid1));
RETURN(-EINVAL);
}
- /*
- * Do not get size or any capa fields before we check that request
- * contains capa actually. There are some requests which do not, for
- * instance MDS_IS_SUBDIR.
- */
- if (req_capsule_has_field(pill, &RMF_CAPA1, RCL_CLIENT) &&
- req_capsule_get_size(pill, &RMF_CAPA1, RCL_CLIENT))
- mdt_set_capainfo(info, 0, &body->fid1,
- req_capsule_client_get(pill, &RMF_CAPA1));
-
- obj = mdt_object_find(env, info->mti_mdt, &body->fid1);
- if (!IS_ERR(obj)) {
- if ((flags & HABEO_CORPUS) &&
- !mdt_object_exists(obj)) {
- mdt_object_put(env, obj);
- /* for capability renew ENOENT will be handled in
- * mdt_renew_capa */
- if (body->valid & OBD_MD_FLOSSCAPA)
- rc = 0;
- else
- rc = -ENOENT;
+ obj = mdt_object_find(env, info->mti_mdt, &body->mbo_fid1);
+ if (!IS_ERR(obj)) {
+ if ((flags & HABEO_CORPUS) && !mdt_object_exists(obj)) {
+ mdt_object_put(env, obj);
+ rc = -ENOENT;
} else {
info->mti_object = obj;
rc = 0;
RETURN(rc);
}
-static int mdt_init_capa_ctxt(const struct lu_env *env, struct mdt_device *m)
-{
- struct md_device *next = m->mdt_child;
-
- return next->md_ops->mdo_init_capa_ctxt(env, next,
- m->mdt_lut.lut_mds_capa,
- m->mdt_capa_timeout,
- m->mdt_capa_alg,
- m->mdt_capa_keys);
-}
-
void mdt_lock_handle_init(struct mdt_lock_handle *lh)
{
lh->mlh_type = MDT_NUL_LOCK;
info->mti_spec.no_create = 0;
info->mti_spec.sp_rm_entry = 0;
+ info->mti_spec.sp_permitted = 0;
+ info->mti_spec.sp_migrate_close = 0;
info->mti_spec.u.sp_ea.eadata = NULL;
info->mti_spec.u.sp_ea.eadatalen = 0;
struct mdt_thread_info *tsi2mdt_info(struct tgt_session_info *tsi)
{
struct mdt_thread_info *mti;
- struct lustre_capa *lc;
mti = mdt_th_info(tsi->tsi_env);
LASSERT(mti != NULL);
mdt_thread_info_init(tgt_ses_req(tsi), mti);
if (tsi->tsi_corpus != NULL) {
- struct req_capsule *pill = tsi->tsi_pill;
-
mti->mti_object = mdt_obj(tsi->tsi_corpus);
lu_object_get(tsi->tsi_corpus);
-
- /*
- * XXX: must be part of tgt_mdt_body_unpack but moved here
- * due to mdt_set_capainfo().
- */
- if (req_capsule_has_field(pill, &RMF_CAPA1, RCL_CLIENT) &&
- req_capsule_get_size(pill, &RMF_CAPA1, RCL_CLIENT) > 0) {
- lc = req_capsule_client_get(pill, &RMF_CAPA1);
- mdt_set_capainfo(mti, 0, &tsi->tsi_mdt_body->fid1, lc);
- }
}
mti->mti_body = tsi->tsi_mdt_body;
mti->mti_dlm_req = tsi->tsi_dlm_req;
ENTRY;
+ if (OBD_FAIL_CHECK(OBD_FAIL_TGT_DELAY_CONDITIONAL) &&
+ cfs_fail_val ==
+ tsi2mdt_info(tsi)->mti_mdt->mdt_seq_site.ss_node_id) {
+ set_current_state(TASK_UNINTERRUPTIBLE);
+ schedule_timeout(msecs_to_jiffies(3 * MSEC_PER_SEC));
+ }
+
rc = tgt_connect(tsi);
if (rc != 0)
RETURN(rc);
};
static int
-mdt_intent_lock_replace(struct mdt_thread_info *info, struct ldlm_lock **lockp,
- struct ldlm_lock *new_lock, struct mdt_lock_handle *lh,
- __u64 flags)
+mdt_intent_lock_replace(struct mdt_thread_info *info,
+ struct ldlm_lock **lockp,
+ struct mdt_lock_handle *lh,
+ __u64 flags, int result)
{
struct ptlrpc_request *req = mdt_info_req(info);
struct ldlm_lock *lock = *lockp;
+ struct ldlm_lock *new_lock;
- /*
- * Get new lock only for cases when possible resent did not find any
- * lock.
- */
- if (new_lock == NULL)
- new_lock = ldlm_handle2lock_long(&lh->mlh_reg_lh, 0);
+ /* If possible resent found a lock, @lh is set to its handle */
+ new_lock = ldlm_handle2lock_long(&lh->mlh_reg_lh, 0);
if (new_lock == NULL && (flags & LDLM_FL_INTENT_ONLY)) {
lh->mlh_reg_lh.cookie = 0;
RETURN(0);
}
- LASSERTF(new_lock != NULL,
- "lockh "LPX64"\n", lh->mlh_reg_lh.cookie);
+ if (new_lock == NULL && (flags & LDLM_FL_RESENT)) {
+ /* Lock is pinned by ldlm_handle_enqueue0() as it is
+ * a resend case, however, it could be already destroyed
+ * due to client eviction or a raced cancel RPC. */
+ LDLM_DEBUG_NOLOCK("Invalid lock handle "LPX64"\n",
+ lh->mlh_reg_lh.cookie);
+ lh->mlh_reg_lh.cookie = 0;
+ RETURN(-ESTALE);
+ }
+
+ LASSERTF(new_lock != NULL,
+ "lockh "LPX64" flags "LPX64" rc %d\n",
+ lh->mlh_reg_lh.cookie, flags, result);
/*
* If we've already given this lock to a client once, then we should
*/
LASSERT(lustre_msg_get_flags(req->rq_reqmsg) &
MSG_RESENT);
+
+ LDLM_LOCK_RELEASE(new_lock);
lh->mlh_reg_lh.cookie = 0;
RETURN(ELDLM_LOCK_REPLACED);
}
static void mdt_intent_fixup_resent(struct mdt_thread_info *info,
struct ldlm_lock *new_lock,
- struct ldlm_lock **old_lock,
struct mdt_lock_handle *lh,
- enum mdt_it_code opcode)
+ __u64 flags)
{
struct ptlrpc_request *req = mdt_info_req(info);
- struct obd_export *exp = req->rq_export;
- struct lustre_handle remote_hdl;
struct ldlm_request *dlmreq;
- struct ldlm_lock *lock;
if (!(lustre_msg_get_flags(req->rq_reqmsg) & MSG_RESENT))
return;
dlmreq = req_capsule_client_get(info->mti_pill, &RMF_DLM_REQ);
- remote_hdl = dlmreq->lock_handle[0];
- /* If the client does not require open lock, it does not need to
- * search lock in exp_lock_hash, since the server thread will
- * make sure the lock will be released, and the resend request
- * can always re-enqueue the lock */
- if ((opcode != MDT_IT_OPEN) || (opcode == MDT_IT_OPEN &&
- info->mti_spec.sp_cr_flags & MDS_OPEN_LOCK)) {
- /* In the function below, .hs_keycmp resolves to
- * ldlm_export_lock_keycmp() */
- /* coverity[overrun-buffer-val] */
- lock = cfs_hash_lookup(exp->exp_lock_hash, &remote_hdl);
- if (lock) {
- lock_res_and_lock(lock);
- if (lock != new_lock) {
- lh->mlh_reg_lh.cookie = lock->l_handle.h_cookie;
- lh->mlh_reg_mode = lock->l_granted_mode;
-
- LDLM_DEBUG(lock, "Restoring lock cookie");
- DEBUG_REQ(D_DLMTRACE, req,
- "restoring lock cookie "LPX64,
- lh->mlh_reg_lh.cookie);
- if (old_lock)
- *old_lock = LDLM_LOCK_GET(lock);
- cfs_hash_put(exp->exp_lock_hash,
- &lock->l_exp_hash);
- unlock_res_and_lock(lock);
- return;
- }
- cfs_hash_put(exp->exp_lock_hash, &lock->l_exp_hash);
- unlock_res_and_lock(lock);
- }
+
+ /* Check if this is a resend case (MSG_RESENT is set on RPC) and a
+ * lock was found by ldlm_handle_enqueue(); if so @lh must be
+ * initialized. */
+ if (flags & LDLM_FL_RESENT) {
+ lh->mlh_reg_lh.cookie = new_lock->l_handle.h_cookie;
+ lh->mlh_reg_mode = new_lock->l_granted_mode;
+
+ LDLM_DEBUG(new_lock, "Restoring lock cookie");
+ DEBUG_REQ(D_DLMTRACE, req, "restoring lock cookie "LPX64,
+ lh->mlh_reg_lh.cookie);
+ return;
}
- /*
- * If the xid matches, then we know this is a resent request, and allow
- * it. (It's probably an OPEN, for which we don't send a lock.
- */
- if (req_xid_is_last(req))
- return;
+
+ /*
+ * If the xid matches, then we know this is a resent request, and allow
+ * it. (It's probably an OPEN, for which we don't send a lock.
+ */
+ if (req_can_reconstruct(req, NULL))
+ return;
/*
* This remote handle isn't enqueued, so we never received or processed
*/
lustre_msg_clear_flags(req->rq_reqmsg, MSG_RESENT);
- DEBUG_REQ(D_DLMTRACE, req, "no existing lock with rhandle "LPX64,
- remote_hdl.cookie);
+ DEBUG_REQ(D_DLMTRACE, req, "no existing lock with rhandle "LPX64,
+ dlmreq->lock_handle[0].cookie);
}
static int mdt_intent_getxattr(enum mdt_it_code opcode,
* (for the resend case) or a new lock. Below we will use it to
* replace the original lock.
*/
- mdt_intent_fixup_resent(info, *lockp, NULL, lhc, opcode);
+ mdt_intent_fixup_resent(info, *lockp, lhc, flags);
if (!lustre_handle_is_used(&lhc->mlh_reg_lh)) {
mdt_lock_reg_init(lhc, (*lockp)->l_req_mode);
rc = mdt_object_lock(info, info->mti_object, lhc,
- MDS_INODELOCK_XATTR,
- MDT_LOCAL_LOCK);
+ MDS_INODELOCK_XATTR);
if (rc)
return rc;
}
grc = mdt_getxattr(info);
- rc = mdt_intent_lock_replace(info, lockp, NULL, lhc, flags);
+ rc = mdt_intent_lock_replace(info, lockp, lhc, flags, 0);
if (mdt_info_req(info)->rq_repmsg != NULL)
ldlm_rep = req_capsule_server_get(info->mti_pill, &RMF_DLM_REP);
__u64 flags)
{
struct mdt_lock_handle *lhc = &info->mti_lh[MDT_LH_RMT];
- struct ldlm_lock *new_lock = NULL;
__u64 child_bits;
struct ldlm_reply *ldlm_rep;
struct mdt_body *reqbody;
repbody = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
LASSERT(repbody);
- info->mti_cross_ref = !!(reqbody->valid & OBD_MD_FLCROSSREF);
- repbody->eadatasize = 0;
- repbody->aclsize = 0;
+ info->mti_cross_ref = !!(reqbody->mbo_valid & OBD_MD_FLCROSSREF);
+ repbody->mbo_eadatasize = 0;
+ repbody->mbo_aclsize = 0;
switch (opcode) {
case MDT_IT_LOOKUP:
GOTO(out_shrink, rc = -EINVAL);
}
- rc = mdt_init_ucred(info, reqbody);
- if (rc)
- GOTO(out_shrink, rc);
+ rc = mdt_init_ucred_intent_getattr(info, reqbody);
+ if (rc)
+ GOTO(out_shrink, rc);
ldlm_rep = req_capsule_server_get(info->mti_pill, &RMF_DLM_REP);
mdt_set_disposition(info, ldlm_rep, DISP_IT_EXECD);
/* Get lock from request for possible resent case. */
- mdt_intent_fixup_resent(info, *lockp, &new_lock, lhc, opcode);
+ mdt_intent_fixup_resent(info, *lockp, lhc, flags);
rc = mdt_getattr_name_lock(info, lhc, child_bits, ldlm_rep);
ldlm_rep->lock_policy_res2 = clear_serious(rc);
GOTO(out_ucred, rc = ELDLM_LOCK_ABORTED);
}
- rc = mdt_intent_lock_replace(info, lockp, new_lock, lhc, flags);
+ rc = mdt_intent_lock_replace(info, lockp, lhc, flags, rc);
EXIT;
out_ucred:
mdt_exit_ucred(info);
struct ldlm_lock **lockp,
__u64 flags)
{
+ struct mdt_lock_handle *lhc = &info->mti_lh[MDT_LH_LAYOUT];
struct layout_intent *layout;
struct lu_fid *fid;
struct mdt_object *obj = NULL;
+ int layout_size = 0;
int rc = 0;
ENTRY;
RETURN(-EINVAL);
}
+ layout = req_capsule_client_get(info->mti_pill, &RMF_LAYOUT_INTENT);
+ if (layout == NULL)
+ RETURN(-EPROTO);
+
+ if (layout->li_opc != LAYOUT_INTENT_ACCESS) {
+ CERROR("%s: Unsupported layout intent opc %d\n",
+ mdt_obd_name(info->mti_mdt), layout->li_opc);
+ RETURN(-EINVAL);
+ }
+
fid = &info->mti_tmp_fid2;
fid_extract_from_res_name(fid, &(*lockp)->l_resource->lr_name);
+ /* Get lock from request for possible resent case. */
+ mdt_intent_fixup_resent(info, *lockp, lhc, flags);
+
obj = mdt_object_find(info->mti_env, info->mti_mdt, fid);
if (IS_ERR(obj))
- RETURN(PTR_ERR(obj));
+ GOTO(out, rc = PTR_ERR(obj));
if (mdt_object_exists(obj) && !mdt_object_remote(obj)) {
- /* get the length of lsm */
- rc = mdt_attr_get_eabuf_size(info, obj);
- if (rc < 0)
- RETURN(rc);
+ layout_size = mdt_attr_get_eabuf_size(info, obj);
+ if (layout_size < 0)
+ GOTO(out_obj, rc = layout_size);
- if (rc > info->mti_mdt->mdt_max_mdsize)
- info->mti_mdt->mdt_max_mdsize = rc;
+ if (layout_size > info->mti_mdt->mdt_max_mdsize)
+ info->mti_mdt->mdt_max_mdsize = layout_size;
}
- mdt_object_put(info->mti_env, obj);
-
(*lockp)->l_lvb_type = LVB_T_LAYOUT;
- req_capsule_set_size(info->mti_pill, &RMF_DLM_LVB, RCL_SERVER, rc);
+ req_capsule_set_size(info->mti_pill, &RMF_DLM_LVB, RCL_SERVER,
+ layout_size);
rc = req_capsule_server_pack(info->mti_pill);
- if (rc != 0)
- RETURN(-EINVAL);
+ GOTO(out_obj, rc);
- layout = req_capsule_client_get(info->mti_pill, &RMF_LAYOUT_INTENT);
- LASSERT(layout != NULL);
- if (layout->li_opc == LAYOUT_INTENT_ACCESS)
- /* return to normal ldlm handling */
- RETURN(0);
+out_obj:
+ mdt_object_put(info->mti_env, obj);
- CERROR("%s: Unsupported layout intent (%d)\n",
- mdt_obd_name(info->mti_mdt), layout->li_opc);
- RETURN(-EINVAL);
+ if (rc == 0 && lustre_handle_is_used(&lhc->mlh_reg_lh))
+ rc = mdt_intent_lock_replace(info, lockp, lhc, flags, rc);
+
+out:
+ lhc->mlh_reg_lh.cookie = 0;
+
+ return rc;
}
static int mdt_intent_reint(enum mdt_it_code opcode,
}
/* Get lock from request for possible resent case. */
- mdt_intent_fixup_resent(info, *lockp, NULL, lhc, opcode);
+ mdt_intent_fixup_resent(info, *lockp, lhc, flags);
rc = mdt_reint_internal(info, lhc, opc);
/* the open lock or the lock for cross-ref object should be
* returned to the client */
- if (rc == -EREMOTE || mdt_get_disposition(rep, DISP_OPEN_LOCK)) {
- LASSERT(lustre_handle_is_used(&lhc->mlh_reg_lh));
+ if (lustre_handle_is_used(&lhc->mlh_reg_lh) &&
+ (rc == 0 || rc == -MDT_EREMOTE_OPEN)) {
rep->lock_policy_res2 = 0;
- rc = mdt_intent_lock_replace(info, lockp, NULL, lhc, flags);
+ rc = mdt_intent_lock_replace(info, lockp, lhc, flags, rc);
RETURN(rc);
}
rep->lock_policy_res2 = clear_serious(rc);
if (rep->lock_policy_res2 == -ENOENT &&
- mdt_get_disposition(rep, DISP_LOOKUP_NEG))
- rep->lock_policy_res2 = 0;
+ mdt_get_disposition(rep, DISP_LOOKUP_NEG) &&
+ !mdt_get_disposition(rep, DISP_OPEN_CREATE))
+ rep->lock_policy_res2 = 0;
+ lhc->mlh_reg_lh.cookie = 0ull;
if (rc == -ENOTCONN || rc == -ENODEV ||
rc == -EOVERFLOW) { /**< if VBR failure then return error */
/*
* will detect this, then disconnect, reconnect the import
* immediately, instead of impacting the following the rpc.
*/
- lhc->mlh_reg_lh.cookie = 0ull;
RETURN(rc);
- } else {
- /*
- * For other cases, the error will be returned by intent.
- * and client will retrieve the result from intent.
- */
- /*
- * FIXME: when open lock is finished, that should be
- * checked here.
- */
- if (lustre_handle_is_used(&lhc->mlh_reg_lh)) {
- LASSERTF(rc == 0, "Error occurred but lock handle "
- "is still in use, rc = %d\n", rc);
- rep->lock_policy_res2 = 0;
- rc = mdt_intent_lock_replace(info, lockp, NULL, lhc, flags);
- RETURN(rc);
- } else {
- lhc->mlh_reg_lh.cookie = 0ull;
- RETURN(ELDLM_LOCK_ABORTED);
- }
}
+ /*
+ * For other cases, the error will be returned by intent, and client
+ * will retrieve the result from intent.
+ */
+ RETURN(ELDLM_LOCK_ABORTED);
}
-static int mdt_intent_code(long itcode)
+static int mdt_intent_code(enum ldlm_intent_flags itcode)
{
- int rc;
+ int rc;
- switch(itcode) {
- case IT_OPEN:
- rc = MDT_IT_OPEN;
- break;
- case IT_OPEN|IT_CREAT:
- rc = MDT_IT_OCREAT;
- break;
- case IT_CREAT:
- rc = MDT_IT_CREATE;
- break;
- case IT_READDIR:
- rc = MDT_IT_READDIR;
- break;
- case IT_GETATTR:
- rc = MDT_IT_GETATTR;
- break;
- case IT_LOOKUP:
- rc = MDT_IT_LOOKUP;
- break;
- case IT_UNLINK:
- rc = MDT_IT_UNLINK;
- break;
- case IT_TRUNC:
- rc = MDT_IT_TRUNC;
- break;
- case IT_GETXATTR:
- rc = MDT_IT_GETXATTR;
- break;
- case IT_LAYOUT:
- rc = MDT_IT_LAYOUT;
- break;
+ switch (itcode) {
+ case IT_OPEN:
+ rc = MDT_IT_OPEN;
+ break;
+ case IT_OPEN|IT_CREAT:
+ rc = MDT_IT_OCREAT;
+ break;
+ case IT_CREAT:
+ rc = MDT_IT_CREATE;
+ break;
+ case IT_READDIR:
+ rc = MDT_IT_READDIR;
+ break;
+ case IT_GETATTR:
+ rc = MDT_IT_GETATTR;
+ break;
+ case IT_LOOKUP:
+ rc = MDT_IT_LOOKUP;
+ break;
+ case IT_UNLINK:
+ rc = MDT_IT_UNLINK;
+ break;
+ case IT_TRUNC:
+ rc = MDT_IT_TRUNC;
+ break;
+ case IT_GETXATTR:
+ rc = MDT_IT_GETXATTR;
+ break;
+ case IT_LAYOUT:
+ rc = MDT_IT_LAYOUT;
+ break;
case IT_QUOTA_DQACQ:
case IT_QUOTA_CONN:
rc = MDT_IT_QUOTA;
break;
- default:
- CERROR("Unknown intent opcode: %ld\n", itcode);
- rc = -EINVAL;
- break;
- }
- return rc;
+ default:
+ CERROR("Unknown intent opcode: 0x%08x\n", itcode);
+ rc = -EINVAL;
+ break;
+ }
+ return rc;
}
-static int mdt_intent_opc(long itopc, struct mdt_thread_info *info,
+static int mdt_intent_opc(enum ldlm_intent_flags itopc,
+ struct mdt_thread_info *info,
struct ldlm_lock **lockp, __u64 flags)
{
- struct req_capsule *pill;
- struct mdt_it_flavor *flv;
- int opc;
- int rc;
- ENTRY;
-
- opc = mdt_intent_code(itopc);
- if (opc < 0)
- RETURN(-EINVAL);
+ struct req_capsule *pill = info->mti_pill;
+ struct ptlrpc_request *req = mdt_info_req(info);
+ struct mdt_it_flavor *flv;
+ int opc;
+ int rc;
+ ENTRY;
- pill = info->mti_pill;
+ opc = mdt_intent_code(itopc);
+ if (opc < 0)
+ RETURN(-EINVAL);
if (opc == MDT_IT_QUOTA) {
struct lu_device *qmt = info->mti_mdt->mdt_qmt_dev;
RETURN(rc);
}
- flv = &mdt_it_flavor[opc];
- if (flv->it_fmt != NULL)
- req_capsule_extend(pill, flv->it_fmt);
+ flv = &mdt_it_flavor[opc];
+ if (flv->it_fmt != NULL)
+ req_capsule_extend(pill, flv->it_fmt);
- rc = mdt_unpack_req_pack_rep(info, flv->it_flags);
- if (rc == 0) {
- struct ptlrpc_request *req = mdt_info_req(info);
- if (flv->it_flags & MUTABOR &&
- exp_connect_flags(req->rq_export) & OBD_CONNECT_RDONLY)
- RETURN(-EROFS);
- }
- if (rc == 0 && flv->it_act != NULL) {
+ rc = mdt_unpack_req_pack_rep(info, flv->it_flags);
+ if (rc < 0)
+ RETURN(rc);
+
+ if (flv->it_flags & MUTABOR &&
+ exp_connect_flags(req->rq_export) & OBD_CONNECT_RDONLY)
+ RETURN(-EROFS);
+
+ if (flv->it_act != NULL) {
struct ldlm_reply *rep;
+ OBD_FAIL_TIMEOUT(OBD_FAIL_MDS_INTENT_DELAY, 10);
+
/* execute policy */
rc = flv->it_act(opc, info, lockp, flags);
/* Check whether the reply has been packed successfully. */
- if (mdt_info_req(info)->rq_repmsg != NULL) {
+ if (req->rq_repmsg != NULL) {
rep = req_capsule_server_get(info->mti_pill,
&RMF_DLM_REP);
rep->lock_policy_res2 =
ptlrpc_status_hton(rep->lock_policy_res2);
}
- } else {
- rc = -EPROTO;
}
+
RETURN(rc);
}
static int mdt_intent_policy(struct ldlm_namespace *ns,
- struct ldlm_lock **lockp, void *req_cookie,
- ldlm_mode_t mode, __u64 flags, void *data)
+ struct ldlm_lock **lockp, void *req_cookie,
+ enum ldlm_mode mode, __u64 flags, void *data)
{
struct tgt_session_info *tsi;
struct mdt_thread_info *info;
LASSERT(mdt_seq_site(mdt)->ss_node_id != 0);
- if (!likely(fld->lsf_new))
- RETURN(0);
-
rc = lu_env_init(&env, LCT_MD_THREAD);
- if (rc) {
+ if (rc < 0) {
CERROR("%s: cannot init env: rc = %d\n", mdt_obd_name(mdt), rc);
RETURN(rc);
}
- rc = fld_update_from_controller(&env, fld);
- if (rc != 0) {
- CERROR("%s: cannot update controller: rc = %d\n",
- mdt_obd_name(mdt), rc);
+ /* Allocate new sequence now to avoid creating local transaction
+ * in the normal transaction process */
+ rc = seq_server_check_and_alloc_super(&env,
+ mdt_seq_site(mdt)->ss_server_seq);
+ if (rc < 0)
GOTO(out, rc);
+
+ if (fld->lsf_new) {
+ rc = fld_update_from_controller(&env, fld);
+ if (rc != 0) {
+ CERROR("%s: cannot update controller: rc = %d\n",
+ mdt_obd_name(mdt), rc);
+ GOTO(out, rc);
+ }
}
out:
lu_env_fini(&env);
GOTO(out_seq_fini, rc);
if (ss->ss_node_id != 0)
- /* register controler export through lwp */
+ /* register controller export through lwp */
rc = mdt_register_seq_exp(mdt);
EXIT;
lustre_cfg_bufs_reset(bufs, mdt_obd_name(m));
lustre_cfg_bufs_set_string(bufs, 1, NULL);
lcfg = lustre_cfg_new(LCFG_PRE_CLEANUP, bufs);
- if (!lcfg) {
- CERROR("%s:Cannot alloc lcfg!\n", mdt_obd_name(m));
- return;
- }
+ if (lcfg == NULL)
+ RETURN_EXIT;
+
top->ld_ops->ldo_process_config(env, top, lcfg);
lustre_cfg_free(lcfg);
EXIT;
strcat(flags, "A");
lustre_cfg_bufs_set_string(bufs, 1, flags);
lcfg = lustre_cfg_new(LCFG_CLEANUP, bufs);
- if (!lcfg) {
- CERROR("Cannot alloc lcfg!\n");
- return;
- }
+ if (lcfg == NULL)
+ RETURN_EXIT;
+
LASSERT(top);
top->ld_ops->ldo_process_config(env, top, lcfg);
lustre_cfg_free(lcfg);
lustre_cfg_bufs_set_string(bufs, 3, lprof->lp_dt);
lcfg = lustre_cfg_new(LCFG_ATTACH, bufs);
- if (!lcfg)
- GOTO(free_bufs, rc = -ENOMEM);
+ if (lcfg == NULL)
+ GOTO(put_profile, rc = -ENOMEM);
rc = class_attach(lcfg);
if (rc)
if (!obd) {
CERROR("Can not find obd %s (%s in config)\n",
MDD_OBD_NAME, lustre_cfg_string(cfg, 0));
- GOTO(class_detach, rc = -EINVAL);
+ GOTO(lcfg_cleanup, rc = -EINVAL);
}
lustre_cfg_free(lcfg);
lustre_cfg_bufs_set_string(bufs, 3, lprof->lp_dt);
lcfg = lustre_cfg_new(LCFG_SETUP, bufs);
+ if (lcfg == NULL)
+ GOTO(class_detach, rc = -ENOMEM);
rc = class_setup(obd, lcfg);
if (rc)
class_detach(obd, lcfg);
lcfg_cleanup:
lustre_cfg_free(lcfg);
+put_profile:
+ class_put_profile(lprof);
free_bufs:
OBD_FREE_PTR(bufs);
cleanup_mem:
lustre_cfg_bufs_set_string(bufs, 3, lprof->lp_dt);
lcfg = lustre_cfg_new(LCFG_ATTACH, bufs);
- if (!lcfg)
- GOTO(cleanup_mem, rc = -ENOMEM);
+ if (lcfg == NULL)
+ GOTO(put_profile, rc = -ENOMEM);
rc = class_attach(lcfg);
if (rc)
if (!obd) {
CERROR("Can not find obd %s (%s in config)\n", qmtname,
lustre_cfg_string(cfg, 0));
- GOTO(class_detach, rc = -EINVAL);
+ GOTO(lcfg_cleanup, rc = -EINVAL);
}
lustre_cfg_free(lcfg);
mdt->mdt_bottom->dd_lu_dev.ld_obd->obd_name);
lcfg = lustre_cfg_new(LCFG_SETUP, bufs);
+ if (lcfg == NULL)
+ GOTO(class_detach, rc = -ENOMEM);
rc = class_setup(obd, lcfg);
if (rc)
class_detach(obd, lcfg);
lcfg_cleanup:
lustre_cfg_free(lcfg);
+put_profile:
+ class_put_profile(lprof);
cleanup_mem:
if (bufs)
OBD_FREE_PTR(bufs);
/* mdt_getxattr() is used from mdt_intent_getxattr(), use this wrapper
* for now. This will be removed along with converting rest of MDT code
* to use tgt_session_info */
-int mdt_tgt_getxattr(struct tgt_session_info *tsi)
+static int mdt_tgt_getxattr(struct tgt_session_info *tsi)
{
struct mdt_thread_info *info = tsi2mdt_info(tsi);
int rc;
HABEO_REFERO, MDS_SET_INFO, mdt_set_info,
&RQF_OBD_SET_INFO, LUSTRE_MDS_VERSION),
TGT_MDT_HDL(0, MDS_GET_INFO, mdt_get_info),
-TGT_MDT_HDL(0 | HABEO_REFERO, MDS_GETSTATUS, mdt_getstatus),
+TGT_MDT_HDL(0 | HABEO_REFERO, MDS_GET_ROOT, mdt_get_root),
TGT_MDT_HDL(HABEO_CORPUS, MDS_GETATTR, mdt_getattr),
TGT_MDT_HDL(HABEO_CORPUS| HABEO_REFERO, MDS_GETATTR_NAME,
mdt_getattr_name),
TGT_MDT_HDL(0 | HABEO_REFERO, MDS_STATFS, mdt_statfs),
TGT_MDT_HDL(0 | MUTABOR, MDS_REINT, mdt_reint),
TGT_MDT_HDL(HABEO_CORPUS, MDS_CLOSE, mdt_close),
-TGT_MDT_HDL(HABEO_CORPUS, MDS_DONE_WRITING,
- mdt_done_writing),
TGT_MDT_HDL(HABEO_CORPUS| HABEO_REFERO, MDS_READPAGE, mdt_readpage),
TGT_MDT_HDL(HABEO_CORPUS| HABEO_REFERO, MDS_SYNC, mdt_sync),
-TGT_MDT_HDL(HABEO_CORPUS| HABEO_REFERO, MDS_IS_SUBDIR, mdt_is_subdir),
TGT_MDT_HDL(0, MDS_QUOTACTL, mdt_quotactl),
TGT_MDT_HDL(HABEO_CORPUS| HABEO_REFERO | MUTABOR, MDS_HSM_PROGRESS,
mdt_hsm_progress),
stop.ls_flags = 0;
next->md_ops->mdo_iocontrol(env, next, OBD_IOC_STOP_LFSCK, 0, &stop);
+ mdt_stack_pre_fini(env, m, md2lu_dev(m->mdt_child));
target_recovery_fini(obd);
ping_evictor_stop();
- mdt_stack_pre_fini(env, m, md2lu_dev(m->mdt_child));
if (m->mdt_opts.mo_coordinator)
mdt_hsm_cdt_stop(m);
mdt_llog_ctxt_unclone(env, m, LLOG_AGENT_ORIG_CTXT);
mdt_llog_ctxt_unclone(env, m, LLOG_CHANGELOG_ORIG_CTXT);
+
+ if (m->mdt_namespace != NULL)
+ ldlm_namespace_free_prior(m->mdt_namespace, NULL,
+ d->ld_obd->obd_force);
+
obd_exports_barrier(obd);
obd_zombie_barrier();
upcall_cache_cleanup(m->mdt_identity_cache);
m->mdt_identity_cache = NULL;
- if (m->mdt_namespace != NULL) {
- ldlm_namespace_free(m->mdt_namespace, NULL,
- d->ld_obd->obd_force);
- d->ld_obd->obd_namespace = m->mdt_namespace = NULL;
- }
+ if (m->mdt_namespace != NULL) {
+ ldlm_namespace_free_post(m->mdt_namespace);
+ d->ld_obd->obd_namespace = m->mdt_namespace = NULL;
+ }
mdt_quota_fini(env, m);
- cfs_free_nidlist(&m->mdt_nosquash_nids);
- if (m->mdt_nosquash_str) {
- OBD_FREE(m->mdt_nosquash_str, m->mdt_nosquash_strlen);
- m->mdt_nosquash_str = NULL;
- m->mdt_nosquash_strlen = 0;
- }
+ cfs_free_nidlist(&m->mdt_squash.rsi_nosquash_nids);
mdt_seq_fini(env, m);
mdt_fld_fini(env, m);
- next->md_ops->mdo_init_capa_ctxt(env, next, 0, 0, 0, NULL);
- cfs_timer_disarm(&m->mdt_ck_timer);
- mdt_ck_thread_stop(m);
-
/*
* Finish the stack
*/
LASSERT(atomic_read(&d->ld_ref) == 0);
- server_put_mount(mdt_obd_name(m));
+ server_put_mount(mdt_obd_name(m), true);
EXIT;
}
LASSERT(obd != NULL);
m->mdt_max_mdsize = MAX_MD_SIZE; /* 4 stripes */
-
- m->mdt_som_conf = 0;
-
+ m->mdt_opts.mo_evict_tgt_nids = 1;
m->mdt_opts.mo_cos = MDT_COS_DEFAULT;
/* default is coordinator off, it is started through conf_param
LASSERT(num);
node_id = simple_strtol(num, NULL, 10);
obd->u.obt.obt_magic = OBT_MAGIC;
+ if (lsi->lsi_lmd != NULL &&
+ lsi->lsi_lmd->lmd_flags & LMD_FLG_SKIP_LFSCK)
+ m->mdt_skip_lfsck = 1;
}
- spin_lock_init(&m->mdt_ioepoch_lock);
- m->mdt_capa_timeout = CAPA_TIMEOUT;
- m->mdt_capa_alg = CAPA_HMAC_ALG_SHA1;
- m->mdt_ck_timeout = CAPA_KEY_TIMEOUT;
- m->mdt_squash_uid = 0;
- m->mdt_squash_gid = 0;
- CFS_INIT_LIST_HEAD(&m->mdt_nosquash_nids);
- m->mdt_nosquash_str = NULL;
- m->mdt_nosquash_strlen = 0;
- init_rwsem(&m->mdt_squash_sem);
+ m->mdt_squash.rsi_uid = 0;
+ m->mdt_squash.rsi_gid = 0;
+ INIT_LIST_HEAD(&m->mdt_squash.rsi_nosquash_nids);
+ init_rwsem(&m->mdt_squash.rsi_sem);
spin_lock_init(&m->mdt_osfs_lock);
m->mdt_osfs_age = cfs_time_shift_64(-1000);
m->mdt_enable_remote_dir = 0;
m->mdt_enable_remote_dir_gid = 0;
+ atomic_set(&m->mdt_mds_mds_conns, 0);
+ atomic_set(&m->mdt_async_commit_count, 0);
+
m->mdt_lu_dev.ld_ops = &mdt_lu_ops;
m->mdt_lu_dev.ld_obd = obd;
/* Set this lu_device to obd for error handling purposes. */
/* set obd_namespace for compatibility with old code */
obd->obd_namespace = m->mdt_namespace;
- cfs_timer_init(&m->mdt_ck_timer, mdt_ck_timer_callback, m);
-
rc = mdt_hsm_cdt_init(m);
if (rc != 0) {
CERROR("%s: error initializing coordinator, rc %d\n",
GOTO(err_free_ns, rc);
}
- rc = mdt_ck_thread_start(m);
- if (rc)
- GOTO(err_free_hsm, rc);
-
rc = tgt_init(env, &m->mdt_lut, obd, m->mdt_bottom, mdt_common_slice,
OBD_FAIL_MDS_ALL_REQUEST_NET,
OBD_FAIL_MDS_ALL_REPLY_NET);
if (rc)
- GOTO(err_capa, rc);
+ GOTO(err_free_hsm, rc);
rc = mdt_fs_setup(env, m, obd, lsi);
if (rc)
* when the whole stack is complete and ready
* to serve the requests */
- mdt_init_capa_ctxt(env, m);
-
/* Reduce the initial timeout on an MDS because it doesn't need such
* a long timeout as an OST does. Adaptive timeouts will adjust this
* value appropriately. */
mdt_fs_cleanup(env, m);
err_tgt:
tgt_fini(env, &m->mdt_lut);
-err_capa:
- cfs_timer_disarm(&m->mdt_ck_timer);
- mdt_ck_thread_stop(m);
err_free_hsm:
mdt_hsm_cdt_fini(m);
err_free_ns:
mdt_stack_fini(env, m, md2lu_dev(m->mdt_child));
err_lmi:
if (lmi)
- server_put_mount(dev);
+ server_put_mount(dev, true);
return(rc);
}
{ "mdt.group_upcall", NULL },
{ "mdt.quota_type", NULL },
{ "mdd.quota_type", NULL },
+ { "mdt.som", NULL },
{ "mdt.rootsquash", "mdt.root_squash" },
{ "mdt.nosquash_nid", "mdt.nosquash_nids" },
{ NULL }
switch (cfg->lcfg_command) {
case LCFG_PARAM: {
- struct lprocfs_static_vars lvars;
struct obd_device *obd = d->ld_obd;
/* For interoperability */
}
}
- lprocfs_mdt_init_vars(&lvars);
- rc = class_process_proc_param(PARAM_MDT, lvars.obd_vars,
+ rc = class_process_proc_param(PARAM_MDT, obd->obd_vars,
cfg, obd);
if (rc > 0 || rc == -ENOSYS) {
/* is it an HSM var ? */
lu_object_init(o, h, d);
lu_object_add_top(h, o);
o->lo_ops = &mdt_obj_ops;
- mutex_init(&mo->mot_ioepoch_mutex);
+ spin_lock_init(&mo->mot_write_lock);
mutex_init(&mo->mot_lov_mutex);
init_rwsem(&mo->mot_open_sem);
RETURN(o);
}
static int mdt_object_print(const struct lu_env *env, void *cookie,
- lu_printer_t p, const struct lu_object *o)
+ lu_printer_t p, const struct lu_object *o)
{
- struct mdt_object *mdto = mdt_obj((struct lu_object *)o);
- return (*p)(env, cookie, LUSTRE_MDT_NAME"-object@%p(ioepoch="LPU64" "
- "flags="LPX64", epochcount=%d, writecount=%d)",
- mdto, mdto->mot_ioepoch, mdto->mot_flags,
- mdto->mot_ioepoch_count, mdto->mot_writecount);
+ struct mdt_object *mdto = mdt_obj((struct lu_object *)o);
+
+ return (*p)(env, cookie,
+ LUSTRE_MDT_NAME"-object@%p(flags=%d, writecount=%d)",
+ mdto, mdto->mot_flags, mdto->mot_write_count);
}
static int mdt_prepare(const struct lu_env *env,
struct mdt_device *mdt = mdt_dev(cdev);
struct lu_device *next = &mdt->mdt_child->md_lu_dev;
struct obd_device *obd = cdev->ld_obd;
- struct lfsck_start_param lsp;
int rc;
ENTRY;
* register the namespace to such instance. */
LASSERTF(rc == 0, "register namespace failed: rc = %d\n", rc);
- lsp.lsp_start = NULL;
- lsp.lsp_index_valid = 0;
- rc = mdt->mdt_child->md_ops->mdo_iocontrol(env, mdt->mdt_child,
- OBD_IOC_START_LFSCK,
- 0, &lsp);
- if (rc != 0) {
- CWARN("%s: auto trigger paused LFSCK failed: rc = %d\n",
- mdt_obd_name(mdt), rc);
- rc = 0;
- }
-
if (mdt->mdt_seq_site.ss_node_id == 0) {
rc = mdt->mdt_child->md_ops->mdo_root_get(env, mdt->mdt_child,
&mdt->mdt_md_root_fid);
}
LASSERT(!test_bit(MDT_FL_CFGLOG, &mdt->mdt_state));
+
target_recovery_init(&mdt->mdt_lut, tgt_request_handle);
set_bit(MDT_FL_CFGLOG, &mdt->mdt_state);
LASSERT(obd->obd_no_conn);
LASSERT(data != NULL);
data->ocd_connect_flags &= MDT_CONNECT_SUPPORTED;
+ data->ocd_connect_flags2 &= MDT_CONNECT_SUPPORTED2;
data->ocd_ibits_known &= MDS_INODELOCK_FULL;
- /* If no known bits (which should not happen, probably,
- as everybody should support LOOKUP and UPDATE bits at least)
- revert to compat mode with plain locks. */
- if (!data->ocd_ibits_known &&
- data->ocd_connect_flags & OBD_CONNECT_IBITS)
- data->ocd_connect_flags &= ~OBD_CONNECT_IBITS;
+ if (!(data->ocd_connect_flags & OBD_CONNECT_MDS_MDS) &&
+ !(data->ocd_connect_flags & OBD_CONNECT_IBITS)) {
+ CWARN("%s: client %s does not support ibits lock, either "
+ "very old or an invalid client: flags "LPX64"\n",
+ mdt_obd_name(mdt), exp->exp_client_uuid.uuid,
+ data->ocd_connect_flags);
+ return -EBADE;
+ }
if (!mdt->mdt_opts.mo_acl)
data->ocd_connect_flags &= ~OBD_CONNECT_ACL;
if (!mdt->mdt_opts.mo_user_xattr)
data->ocd_connect_flags &= ~OBD_CONNECT_XATTR;
- if (!mdt->mdt_som_conf)
- data->ocd_connect_flags &= ~OBD_CONNECT_SOM;
-
if (data->ocd_connect_flags & OBD_CONNECT_BRW_SIZE) {
data->ocd_brw_size = min(data->ocd_brw_size,
(__u32)MD_MAX_BRW_SIZE);
return -EBADE;
}
- if (mdt->mdt_som_conf &&
- !(data->ocd_connect_flags & (OBD_CONNECT_LIGHTWEIGHT |
- OBD_CONNECT_MDS_MDS |
- OBD_CONNECT_SOM))) {
- CWARN("%s: MDS has SOM enabled, but client does not support "
- "it\n", mdt_obd_name(mdt));
- return -EBADE;
- }
-
if (OCD_HAS_FLAG(data, PINGLESS)) {
if (ptlrpc_pinger_suppress_pings()) {
spin_lock(&exp->exp_obd->obd_dev_lock);
data->ocd_max_easize = mdt->mdt_max_ea_size;
- return 0;
-}
-
-/* mds_connect copy */
-static int mdt_obd_connect(const struct lu_env *env,
- struct obd_export **exp, struct obd_device *obd,
- struct obd_uuid *cluuid,
- struct obd_connect_data *data,
- void *localdata)
-{
- struct obd_export *lexp;
- struct lustre_handle conn = { 0 };
- struct mdt_device *mdt;
- int rc;
- ENTRY;
-
- LASSERT(env != NULL);
- if (!exp || !obd || !cluuid)
- RETURN(-EINVAL);
-
- mdt = mdt_dev(obd->obd_lu_dev);
-
- /*
- * first, check whether the stack is ready to handle requests
- * XXX: probably not very appropriate method is used now
- * at some point we should find a better one
- */
- if (!test_bit(MDT_FL_SYNCED, &mdt->mdt_state) && data != NULL &&
- !(data->ocd_connect_flags & OBD_CONNECT_LIGHTWEIGHT)) {
- rc = obd_get_info(env, mdt->mdt_child_exp,
- sizeof(KEY_OSP_CONNECTED),
- KEY_OSP_CONNECTED, NULL, NULL, NULL);
- if (rc)
- RETURN(-EAGAIN);
- set_bit(MDT_FL_SYNCED, &mdt->mdt_state);
+ /* NB: Disregard the rule against updating
+ * exp_connect_data.ocd_connect_flags in this case, since
+ * tgt_client_new() needs to know if this is client supports
+ * multiple modify RPCs, and it is safe to expose this flag before
+ * connection processing completes. */
+ if (data->ocd_connect_flags & OBD_CONNECT_MULTIMODRPCS) {
+ data->ocd_maxmodrpcs = max_mod_rpcs_per_client;
+ spin_lock(&exp->exp_lock);
+ *exp_connect_flags_ptr(exp) |= OBD_CONNECT_MULTIMODRPCS;
+ spin_unlock(&exp->exp_lock);
}
- rc = class_connect(&conn, obd, cluuid);
- if (rc)
- RETURN(rc);
-
- lexp = class_conn2export(&conn);
- LASSERT(lexp != NULL);
-
- rc = mdt_connect_internal(lexp, mdt, data);
- if (rc == 0) {
- struct lsd_client_data *lcd = lexp->exp_target_data.ted_lcd;
-
- LASSERT(lcd);
- memcpy(lcd->lcd_uuid, cluuid, sizeof lcd->lcd_uuid);
- rc = tgt_client_new(env, lexp);
- if (rc == 0)
- mdt_export_stats_init(obd, lexp, localdata);
-
- /* For phase I, sync for cross-ref operation. */
- lexp->exp_keep_sync = 1;
- }
-
- if (rc != 0) {
- class_disconnect(lexp);
- *exp = NULL;
- } else {
- *exp = lexp;
- }
-
- RETURN(rc);
-}
-
-static int mdt_obd_reconnect(const struct lu_env *env,
- struct obd_export *exp, struct obd_device *obd,
- struct obd_uuid *cluuid,
- struct obd_connect_data *data,
- void *localdata)
-{
- int rc;
- ENTRY;
-
- if (exp == NULL || obd == NULL || cluuid == NULL)
- RETURN(-EINVAL);
-
- rc = mdt_connect_internal(exp, mdt_dev(obd->obd_lu_dev), data);
- if (rc == 0)
- mdt_export_stats_init(obd, exp, localdata);
-
- RETURN(rc);
+ return 0;
}
static int mdt_ctxt_add_dirty_flag(struct lu_env *env,
static int mdt_export_cleanup(struct obd_export *exp)
{
- struct mdt_export_data *med = &exp->exp_mdt_data;
- struct obd_device *obd = exp->exp_obd;
- struct mdt_device *mdt;
- struct mdt_thread_info *info;
- struct lu_env env;
- CFS_LIST_HEAD(closing_list);
- struct mdt_file_data *mfd, *n;
- int rc = 0;
- ENTRY;
+ struct list_head closing_list;
+ struct mdt_export_data *med = &exp->exp_mdt_data;
+ struct obd_device *obd = exp->exp_obd;
+ struct mdt_device *mdt;
+ struct mdt_thread_info *info;
+ struct lu_env env;
+ struct mdt_file_data *mfd, *n;
+ int rc = 0;
+ ENTRY;
+ INIT_LIST_HEAD(&closing_list);
spin_lock(&med->med_open_lock);
- while (!cfs_list_empty(&med->med_open_head)) {
- cfs_list_t *tmp = med->med_open_head.next;
- mfd = cfs_list_entry(tmp, struct mdt_file_data, mfd_list);
+ while (!list_empty(&med->med_open_head)) {
+ struct list_head *tmp = med->med_open_head.next;
+ mfd = list_entry(tmp, struct mdt_file_data, mfd_list);
/* Remove mfd handle so it can't be found again.
* We are consuming the mfd_list reference here. */
class_handle_unhash(&mfd->mfd_handle);
- cfs_list_move_tail(&mfd->mfd_list, &closing_list);
+ list_move_tail(&mfd->mfd_list, &closing_list);
}
spin_unlock(&med->med_open_lock);
mdt = mdt_dev(obd->obd_lu_dev);
info->mti_mdt = mdt;
info->mti_exp = exp;
- if (!cfs_list_empty(&closing_list)) {
- struct md_attr *ma = &info->mti_attr;
+ if (!list_empty(&closing_list)) {
+ struct md_attr *ma = &info->mti_attr;
- /* Close any open files (which may also cause orphan unlinking). */
- cfs_list_for_each_entry_safe(mfd, n, &closing_list, mfd_list) {
- cfs_list_del_init(&mfd->mfd_list);
+ /* Close any open files (which may also cause orphan
+ * unlinking). */
+ list_for_each_entry_safe(mfd, n, &closing_list, mfd_list) {
+ list_del_init(&mfd->mfd_list);
ma->ma_need = ma->ma_valid = 0;
/* This file is being closed due to an eviction, it
* archive request into a noop if it's not actually
* dirty.
*/
- if (mfd->mfd_mode & (FMODE_WRITE|MDS_FMODE_TRUNC))
+ if (mfd->mfd_mode & FMODE_WRITE)
rc = mdt_ctxt_add_dirty_flag(&env, info, mfd);
/* Don't unlink orphan on failover umount, LU-184 */
RETURN(rc);
}
+static inline void mdt_enable_slc(struct mdt_device *mdt)
+{
+ if (mdt->mdt_lut.lut_sync_lock_cancel == NEVER_SYNC_ON_CANCEL)
+ mdt->mdt_lut.lut_sync_lock_cancel = BLOCKING_SYNC_ON_CANCEL;
+}
+
+static inline void mdt_disable_slc(struct mdt_device *mdt)
+{
+ if (mdt->mdt_lut.lut_sync_lock_cancel == BLOCKING_SYNC_ON_CANCEL)
+ mdt->mdt_lut.lut_sync_lock_cancel = NEVER_SYNC_ON_CANCEL;
+}
+
static int mdt_obd_disconnect(struct obd_export *exp)
{
int rc;
LASSERT(exp);
class_export_get(exp);
- rc = server_disconnect_export(exp);
- if (rc != 0)
- CDEBUG(D_IOCTL, "server disconnect error: %d\n", rc);
+ if ((exp_connect_flags(exp) & OBD_CONNECT_MDS_MDS) &&
+ !(exp_connect_flags(exp) & OBD_CONNECT_LIGHTWEIGHT)) {
+ struct mdt_device *mdt = mdt_dev(exp->exp_obd->obd_lu_dev);
- rc = mdt_export_cleanup(exp);
- class_export_put(exp);
- RETURN(rc);
+ if (atomic_dec_and_test(&mdt->mdt_mds_mds_conns))
+ mdt_disable_slc(mdt);
+ }
+
+ rc = server_disconnect_export(exp);
+ if (rc != 0)
+ CDEBUG(D_IOCTL, "server disconnect error: rc = %d\n", rc);
+
+ rc = mdt_export_cleanup(exp);
+ nodemap_del_member(exp);
+ class_export_put(exp);
+ RETURN(rc);
+}
+
+/* mds_connect copy */
+static int mdt_obd_connect(const struct lu_env *env,
+ struct obd_export **exp, struct obd_device *obd,
+ struct obd_uuid *cluuid,
+ struct obd_connect_data *data,
+ void *localdata)
+{
+ struct obd_export *lexp;
+ struct lustre_handle conn = { 0 };
+ struct mdt_device *mdt;
+ int rc;
+ lnet_nid_t *client_nid = localdata;
+ ENTRY;
+
+ LASSERT(env != NULL);
+ LASSERT(data != NULL);
+
+ if (!exp || !obd || !cluuid)
+ RETURN(-EINVAL);
+
+ mdt = mdt_dev(obd->obd_lu_dev);
+
+ if ((data->ocd_connect_flags & OBD_CONNECT_MDS_MDS) &&
+ !(data->ocd_connect_flags & OBD_CONNECT_LIGHTWEIGHT)) {
+ atomic_inc(&mdt->mdt_mds_mds_conns);
+ mdt_enable_slc(mdt);
+ }
+
+ /*
+ * first, check whether the stack is ready to handle requests
+ * XXX: probably not very appropriate method is used now
+ * at some point we should find a better one
+ */
+ if (!test_bit(MDT_FL_SYNCED, &mdt->mdt_state) &&
+ !(data->ocd_connect_flags & OBD_CONNECT_LIGHTWEIGHT) &&
+ !(data->ocd_connect_flags & OBD_CONNECT_MDS_MDS)) {
+ rc = obd_get_info(env, mdt->mdt_child_exp,
+ sizeof(KEY_OSP_CONNECTED),
+ KEY_OSP_CONNECTED, NULL, NULL);
+ if (rc)
+ RETURN(-EAGAIN);
+ set_bit(MDT_FL_SYNCED, &mdt->mdt_state);
+ }
+
+ rc = class_connect(&conn, obd, cluuid);
+ if (rc)
+ RETURN(rc);
+
+ lexp = class_conn2export(&conn);
+ LASSERT(lexp != NULL);
+
+ rc = nodemap_add_member(*client_nid, lexp);
+ if (rc != 0 && rc != -EEXIST)
+ GOTO(out, rc);
+
+ rc = mdt_connect_internal(lexp, mdt, data);
+ if (rc == 0) {
+ struct lsd_client_data *lcd = lexp->exp_target_data.ted_lcd;
+
+ LASSERT(lcd);
+ memcpy(lcd->lcd_uuid, cluuid, sizeof lcd->lcd_uuid);
+ rc = tgt_client_new(env, lexp);
+ if (rc == 0)
+ mdt_export_stats_init(obd, lexp, localdata);
+ }
+out:
+ if (rc != 0) {
+ class_disconnect(lexp);
+ nodemap_del_member(lexp);
+ *exp = NULL;
+ } else {
+ *exp = lexp;
+ /* Because we do not want this export to be evicted by pinger,
+ * let's not add this export to the timed chain list. */
+ if (data->ocd_connect_flags & OBD_CONNECT_MDS_MDS) {
+ spin_lock(&lexp->exp_obd->obd_dev_lock);
+ list_del_init(&lexp->exp_obd_chain_timed);
+ spin_unlock(&lexp->exp_obd->obd_dev_lock);
+ }
+ }
+
+ RETURN(rc);
+}
+
+static int mdt_obd_reconnect(const struct lu_env *env,
+ struct obd_export *exp, struct obd_device *obd,
+ struct obd_uuid *cluuid,
+ struct obd_connect_data *data,
+ void *localdata)
+{
+ lnet_nid_t *client_nid = localdata;
+ int rc;
+ ENTRY;
+
+ if (exp == NULL || obd == NULL || cluuid == NULL)
+ RETURN(-EINVAL);
+
+ rc = nodemap_add_member(*client_nid, exp);
+ if (rc != 0 && rc != -EEXIST)
+ RETURN(rc);
+
+ rc = mdt_connect_internal(exp, mdt_dev(obd->obd_lu_dev), data);
+ if (rc == 0)
+ mdt_export_stats_init(obd, exp, localdata);
+ else
+ nodemap_del_member(exp);
+
+ RETURN(rc);
}
/* FIXME: Can we avoid using these two interfaces? */
static int mdt_init_export(struct obd_export *exp)
{
- struct mdt_export_data *med = &exp->exp_mdt_data;
- int rc;
- ENTRY;
+ struct mdt_export_data *med = &exp->exp_mdt_data;
+ int rc;
+ ENTRY;
- CFS_INIT_LIST_HEAD(&med->med_open_head);
+ INIT_LIST_HEAD(&med->med_open_head);
spin_lock_init(&med->med_open_lock);
mutex_init(&med->med_idmap_mutex);
med->med_idmap = NULL;
&exp->exp_client_uuid)))
RETURN(0);
- ldlm_destroy_export(exp);
- tgt_client_free(exp);
+ ldlm_destroy_export(exp);
+ tgt_client_free(exp);
- LASSERT(cfs_list_empty(&exp->exp_outstanding_replies));
- LASSERT(cfs_list_empty(&exp->exp_mdt_data.med_open_head));
+ LASSERT(list_empty(&exp->exp_outstanding_replies));
+ LASSERT(list_empty(&exp->exp_mdt_data.med_open_head));
- RETURN(0);
+ RETURN(0);
}
-/** The maximum depth that fid2path() will search.
- * This is limited only because we want to store the fids for
- * historical path lookup purposes.
- */
-#define MAX_PATH_DEPTH 100
-
-/** mdt_path() lookup structure. */
-struct path_lookup_info {
- __u64 pli_recno; /**< history point */
- __u64 pli_currec; /**< current record */
- struct lu_fid pli_fid;
- struct lu_fid pli_fids[MAX_PATH_DEPTH]; /**< path, in fids */
- struct mdt_object *pli_mdt_obj;
- char *pli_path; /**< full path */
- int pli_pathlen;
- int pli_linkno; /**< which hardlink to follow */
- int pli_fidcount; /**< number of \a pli_fids */
-};
-
int mdt_links_read(struct mdt_thread_info *info, struct mdt_object *mdt_obj,
struct linkea_data *ldata)
{
return linkea_init(ldata);
}
+/**
+ * Given an MDT object, try to look up the full path to the object.
+ * Part of the MDT layer implementation of lfs fid2path.
+ *
+ * \param[in] info Per-thread common data shared by MDT level handlers.
+ * \param[in] obj Object to do path lookup of
+ * \param[in,out] fp User-provided struct to store path information
+ * \param[in] root_fid Root FID of current path should reach
+ *
+ * \retval 0 Lookup successful, path information stored in fp
+ * \retval -EAGAIN Lookup failed, usually because object is being moved
+ * \retval negative errno if there was a problem
+ */
static int mdt_path_current(struct mdt_thread_info *info,
- struct path_lookup_info *pli)
+ struct mdt_object *obj,
+ struct getinfo_fid2path *fp,
+ struct lu_fid *root_fid)
{
struct mdt_device *mdt = info->mti_mdt;
struct mdt_object *mdt_obj;
struct lu_buf *buf = &info->mti_big_buf;
char *ptr;
int reclen;
- struct linkea_data ldata = { 0 };
+ struct linkea_data ldata = { NULL };
int rc = 0;
+ bool first = true;
ENTRY;
/* temp buffer for path element, the buffer will be finally freed
RETURN(-ENOMEM);
ldata.ld_buf = buf;
- ptr = pli->pli_path + pli->pli_pathlen - 1;
+ ptr = fp->gf_u.gf_path + fp->gf_pathlen - 1;
*ptr = 0;
--ptr;
- pli->pli_fidcount = 0;
- pli->pli_fids[0] = *(struct lu_fid *)mdt_object_fid(pli->pli_mdt_obj);
-
- /* root FID only exists on MDT0, and fid2path should also ends at MDT0,
- * so checking root_fid can only happen on MDT0. */
- while (!lu_fid_eq(&mdt->mdt_md_root_fid,
- &pli->pli_fids[pli->pli_fidcount])) {
- mdt_obj = mdt_object_find(info->mti_env, mdt,
- &pli->pli_fids[pli->pli_fidcount]);
+ *tmpfid = fp->gf_fid = *mdt_object_fid(obj);
+
+ while (!lu_fid_eq(root_fid, &fp->gf_fid)) {
+ struct lu_buf lmv_buf;
+
+ if (!lu_fid_eq(root_fid, &mdt->mdt_md_root_fid) &&
+ lu_fid_eq(&mdt->mdt_md_root_fid, &fp->gf_fid))
+ GOTO(out, rc = -ENOENT);
+
+ mdt_obj = mdt_object_find(info->mti_env, mdt, tmpfid);
if (IS_ERR(mdt_obj))
GOTO(out, rc = PTR_ERR(mdt_obj));
- if (mdt_object_remote(mdt_obj)) {
- mdt_object_put(info->mti_env, mdt_obj);
- GOTO(remote_out, rc = -EREMOTE);
- }
+
if (!mdt_object_exists(mdt_obj)) {
mdt_object_put(info->mti_env, mdt_obj);
GOTO(out, rc = -ENOENT);
}
+ if (mdt_object_remote(mdt_obj)) {
+ mdt_object_put(info->mti_env, mdt_obj);
+ GOTO(remote_out, rc = -EREMOTE);
+ }
+
rc = mdt_links_read(info, mdt_obj, &ldata);
- mdt_object_put(info->mti_env, mdt_obj);
- if (rc != 0)
+ if (rc != 0) {
+ mdt_object_put(info->mti_env, mdt_obj);
GOTO(out, rc);
+ }
leh = buf->lb_buf;
lee = (struct link_ea_entry *)(leh + 1); /* link #0 */
linkea_entry_unpack(lee, &reclen, tmpname, tmpfid);
/* If set, use link #linkno for path lookup, otherwise use
link #0. Only do this for the final path element. */
- if (pli->pli_fidcount == 0 &&
- pli->pli_linkno < leh->leh_reccount) {
+ if (first && fp->gf_linkno < leh->leh_reccount) {
int count;
- for (count = 0; count < pli->pli_linkno; count++) {
+ for (count = 0; count < fp->gf_linkno; count++) {
lee = (struct link_ea_entry *)
((char *)lee + reclen);
linkea_entry_unpack(lee, &reclen, tmpname,
tmpfid);
}
- if (pli->pli_linkno < leh->leh_reccount - 1)
+ if (fp->gf_linkno < leh->leh_reccount - 1)
/* indicate to user there are more links */
- pli->pli_linkno++;
+ fp->gf_linkno++;
+ }
+
+ lmv_buf.lb_buf = info->mti_xattr_buf;
+ lmv_buf.lb_len = sizeof(info->mti_xattr_buf);
+ /* Check if it is slave stripes */
+ rc = mo_xattr_get(info->mti_env, mdt_object_child(mdt_obj),
+ &lmv_buf, XATTR_NAME_LMV);
+ mdt_object_put(info->mti_env, mdt_obj);
+ if (rc > 0) {
+ union lmv_mds_md *lmm = lmv_buf.lb_buf;
+
+ /* For slave stripes, get its master */
+ if (le32_to_cpu(lmm->lmv_magic) == LMV_MAGIC_STRIPE) {
+ fp->gf_fid = *tmpfid;
+ continue;
+ }
+ } else if (rc < 0 && rc != -ENODATA) {
+ GOTO(out, rc);
}
+ rc = 0;
+
/* Pack the name in the end of the buffer */
ptr -= tmpname->ln_namelen;
- if (ptr - 1 <= pli->pli_path)
+ if (ptr - 1 <= fp->gf_u.gf_path)
GOTO(out, rc = -EOVERFLOW);
strncpy(ptr, tmpname->ln_name, tmpname->ln_namelen);
*(--ptr) = '/';
- /* Store the parent fid for historic lookup */
- if (++pli->pli_fidcount >= MAX_PATH_DEPTH)
- GOTO(out, rc = -EOVERFLOW);
- pli->pli_fids[pli->pli_fidcount] = *tmpfid;
+ /* keep the last resolved fid to the client, so the
+ * client will build the left path on another MDT for
+ * remote object */
+ fp->gf_fid = *tmpfid;
+
+ first = false;
}
remote_out:
ptr++; /* skip leading / */
- memmove(pli->pli_path, ptr, pli->pli_path + pli->pli_pathlen - ptr);
+ memmove(fp->gf_u.gf_path, ptr,
+ fp->gf_u.gf_path + fp->gf_pathlen - ptr);
- EXIT;
out:
- return rc;
+ RETURN(rc);
}
-/* Returns the full path to this fid, as of changelog record recno. */
+/**
+ * Given an MDT object, use mdt_path_current to get the path.
+ * Essentially a wrapper to retry mdt_path_current a set number of times
+ * if -EAGAIN is returned (usually because an object is being moved).
+ *
+ * Part of the MDT layer implementation of lfs fid2path.
+ *
+ * \param[in] info Per-thread common data shared by mdt level handlers.
+ * \param[in] obj Object to do path lookup of
+ * \param[in,out] fp User-provided struct for arguments and to store path
+ * information
+ *
+ * \retval 0 Lookup successful, path information stored in fp
+ * \retval negative errno if there was a problem
+ */
static int mdt_path(struct mdt_thread_info *info, struct mdt_object *obj,
- char *path, int pathlen, __u64 *recno, int *linkno,
- struct lu_fid *fid)
+ struct getinfo_fid2path *fp, struct lu_fid *root_fid)
{
struct mdt_device *mdt = info->mti_mdt;
- struct path_lookup_info *pli;
int tries = 3;
int rc = -EAGAIN;
ENTRY;
- if (pathlen < 3)
+ if (fp->gf_pathlen < 3)
RETURN(-EOVERFLOW);
- if (lu_fid_eq(&mdt->mdt_md_root_fid, mdt_object_fid(obj))) {
- path[0] = '\0';
+ if (root_fid == NULL)
+ root_fid = &mdt->mdt_md_root_fid;
+
+ if (lu_fid_eq(root_fid, mdt_object_fid(obj))) {
+ fp->gf_u.gf_path[0] = '\0';
RETURN(0);
}
- OBD_ALLOC_PTR(pli);
- if (pli == NULL)
- RETURN(-ENOMEM);
-
- pli->pli_mdt_obj = obj;
- pli->pli_recno = *recno;
- pli->pli_path = path;
- pli->pli_pathlen = pathlen;
- pli->pli_linkno = *linkno;
-
/* Retry multiple times in case file is being moved */
while (tries-- && rc == -EAGAIN)
- rc = mdt_path_current(info, pli);
-
- /* return the last resolved fids to the client, so the client will
- * build the left path on another MDT for remote object */
- *fid = pli->pli_fids[pli->pli_fidcount];
-
- *recno = pli->pli_currec;
- /* Return next link index to caller */
- *linkno = pli->pli_linkno;
-
- OBD_FREE_PTR(pli);
+ rc = mdt_path_current(info, obj, fp, root_fid);
RETURN(rc);
}
+/**
+ * Get the full path of the provided FID, as of changelog record recno.
+ *
+ * This checks sanity and looks up object for user provided FID
+ * before calling the actual path lookup code.
+ *
+ * Part of the MDT layer implementation of lfs fid2path.
+ *
+ * \param[in] info Per-thread common data shared by mdt level handlers.
+ * \param[in,out] fp User-provided struct for arguments and to store path
+ * information
+ *
+ * \retval 0 Lookup successful, path information and recno stored in fp
+ * \retval -ENOENT, object does not exist
+ * \retval negative errno if there was a problem
+ */
static int mdt_fid2path(struct mdt_thread_info *info,
+ struct lu_fid *root_fid,
struct getinfo_fid2path *fp)
{
struct mdt_device *mdt = info->mti_mdt;
}
obj = mdt_object_find(info->mti_env, mdt, &fp->gf_fid);
- if (obj == NULL || IS_ERR(obj)) {
- CDEBUG(D_IOCTL, "no object "DFID": %ld\n", PFID(&fp->gf_fid),
- PTR_ERR(obj));
- RETURN(-EINVAL);
+ if (IS_ERR(obj)) {
+ rc = PTR_ERR(obj);
+ CDEBUG(D_IOCTL, "cannot find "DFID": rc = %d\n",
+ PFID(&fp->gf_fid), rc);
+ RETURN(rc);
}
if (mdt_object_remote(obj))
if (rc < 0) {
mdt_object_put(info->mti_env, obj);
- CDEBUG(D_IOCTL, "nonlocal object "DFID": %d\n",
+ CDEBUG(D_IOCTL, "nonlocal object "DFID": rc = %d\n",
PFID(&fp->gf_fid), rc);
RETURN(rc);
}
- rc = mdt_path(info, obj, fp->gf_path, fp->gf_pathlen, &fp->gf_recno,
- &fp->gf_linkno, &fp->gf_fid);
+ rc = mdt_path(info, obj, fp, root_fid);
CDEBUG(D_INFO, "fid "DFID", path %s recno "LPX64" linkno %u\n",
- PFID(&fp->gf_fid), fp->gf_path, fp->gf_recno, fp->gf_linkno);
+ PFID(&fp->gf_fid), fp->gf_u.gf_path,
+ fp->gf_recno, fp->gf_linkno);
mdt_object_put(info->mti_env, obj);
RETURN(rc);
}
-static int mdt_rpc_fid2path(struct mdt_thread_info *info, void *key,
+static int mdt_rpc_fid2path(struct mdt_thread_info *info, void *key, int keylen,
void *val, int vallen)
{
struct getinfo_fid2path *fpout, *fpin;
+ struct lu_fid *root_fid = NULL;
int rc = 0;
fpin = key + cfs_size_round(sizeof(KEY_FID2PATH));
if (fpout->gf_pathlen != vallen - sizeof(*fpin))
RETURN(-EINVAL);
- rc = mdt_fid2path(info, fpout);
+ if (keylen >= cfs_size_round(sizeof(KEY_FID2PATH)) + sizeof(*fpin) +
+ sizeof(struct lu_fid)) {
+ /* client sent its root FID, which is normally fileset FID */
+ root_fid = fpin->gf_u.gf_root_fid;
+ if (ptlrpc_req_need_swab(info->mti_pill->rc_req))
+ lustre_swab_lu_fid(root_fid);
+
+ if (root_fid != NULL && !fid_is_sane(root_fid))
+ RETURN(-EINVAL);
+ }
+
+ rc = mdt_fid2path(info, root_fid, fpout);
RETURN(rc);
}
key = req_capsule_client_get(tsi->tsi_pill, &RMF_GETINFO_KEY);
if (key == NULL) {
- CDEBUG(D_IOCTL, "No GETINFO key");
+ CDEBUG(D_IOCTL, "No GETINFO key\n");
RETURN(err_serious(-EFAULT));
}
keylen = req_capsule_get_size(tsi->tsi_pill, &RMF_GETINFO_KEY,
vallen = req_capsule_client_get(tsi->tsi_pill, &RMF_GETINFO_VALLEN);
if (vallen == NULL) {
- CDEBUG(D_IOCTL, "Unable to get RMF_GETINFO_VALLEN buffer");
+ CDEBUG(D_IOCTL, "%s: cannot get RMF_GETINFO_VALLEN buffer\n",
+ tgt_name(tsi->tsi_tgt));
RETURN(err_serious(-EFAULT));
}
valout = req_capsule_server_get(tsi->tsi_pill, &RMF_GETINFO_VAL);
if (valout == NULL) {
- CDEBUG(D_IOCTL, "Unable to get get-info RPC out buffer");
+ CDEBUG(D_IOCTL, "%s: cannot get get-info RPC out buffer\n",
+ tgt_name(tsi->tsi_tgt));
RETURN(err_serious(-EFAULT));
}
if (KEY_IS(KEY_FID2PATH)) {
struct mdt_thread_info *info = tsi2mdt_info(tsi);
- rc = mdt_rpc_fid2path(info, key, valout, *vallen);
+ rc = mdt_rpc_fid2path(info, key, keylen, valout, *vallen);
mdt_thread_info_fini(info);
} else {
rc = -EINVAL;
/* ioctls on obd dev */
static int mdt_iocontrol(unsigned int cmd, struct obd_export *exp, int len,
- void *karg, void *uarg)
+ void *karg, void __user *uarg)
{
struct lu_env env;
struct obd_device *obd = exp->exp_obd;
if (rc)
RETURN(rc);
- switch (cmd) {
- case OBD_IOC_SYNC:
- rc = mdt_device_sync(&env, mdt);
- break;
- case OBD_IOC_SET_READONLY:
- rc = dt->dd_ops->dt_ro(&env, dt);
- break;
+ switch (cmd) {
+ case OBD_IOC_SYNC:
+ rc = mdt_device_sync(&env, mdt);
+ break;
+ case OBD_IOC_SET_READONLY:
+ rc = dt_sync(&env, dt);
+ if (rc == 0)
+ rc = dt_ro(&env, dt);
+ break;
case OBD_IOC_ABORT_RECOVERY:
CERROR("%s: Aborting recovery for device\n", mdt_obd_name(mdt));
+ obd->obd_abort_recovery = 1;
target_stop_recovery_thread(obd);
rc = 0;
break;
rc = next->md_ops->mdo_iocontrol(&env, next, cmd, 0, &stop);
break;
}
+ case OBD_IOC_QUERY_LFSCK: {
+ struct md_device *next = mdt->mdt_child;
+ struct obd_ioctl_data *data = karg;
+
+ rc = next->md_ops->mdo_iocontrol(&env, next, cmd, 0,
+ data->ioc_inlbuf1);
+ break;
+ }
case OBD_IOC_GET_OBJ_VERSION: {
struct mdt_thread_info *mti;
mti = lu_context_key_get(&env.le_ctx, &mdt_thread_key);
static int mdt_postrecov(const struct lu_env *env, struct mdt_device *mdt)
{
- struct lu_device *ld = md2lu_dev(mdt->mdt_child);
- int rc;
- ENTRY;
+ struct lu_device *ld = md2lu_dev(mdt->mdt_child);
+ int rc;
+ ENTRY;
- rc = ld->ld_ops->ldo_recovery_complete(env, ld);
- RETURN(rc);
+ if (!mdt->mdt_skip_lfsck) {
+ struct lfsck_start_param lsp;
+
+ lsp.lsp_start = NULL;
+ lsp.lsp_index_valid = 0;
+ rc = mdt->mdt_child->md_ops->mdo_iocontrol(env, mdt->mdt_child,
+ OBD_IOC_START_LFSCK,
+ 0, &lsp);
+ if (rc != 0 && rc != -EALREADY)
+ CWARN("%s: auto trigger paused LFSCK failed: rc = %d\n",
+ mdt_obd_name(mdt), rc);
+ }
+
+ rc = ld->ld_ops->ldo_recovery_complete(env, ld);
+ RETURN(rc);
}
static int mdt_obd_postrecov(struct obd_device *obd)
mdt->mdt_opts.mo_cos = !!val;
rc = lu_env_init(&env, LCT_LOCAL);
- if (unlikely(rc != 0)) {
- CWARN("lu_env initialization failed with rc = %d,"
- "cannot sync\n", rc);
- return;
- }
- mdt_device_sync(&env, mdt);
- lu_env_fini(&env);
+ if (unlikely(rc != 0)) {
+ CWARN("%s: lu_env initialization failed, cannot "
+ "sync: rc = %d\n", mdt_obd_name(mdt), rc);
+ return;
+ }
+ mdt_device_sync(&env, mdt);
+ lu_env_fini(&env);
}
/**
.ldt_ctx_tags = LCT_MD_THREAD
};
-static int __init mdt_mod_init(void)
+static int __init mdt_init(void)
{
- struct lprocfs_static_vars lvars;
int rc;
CLASSERT(sizeof("0x0123456789ABCDEF:0x01234567:0x01234567") ==
if (rc)
GOTO(lu_fini, rc);
- lprocfs_mdt_init_vars(&lvars);
rc = class_register_type(&mdt_obd_device_ops, NULL, true, NULL,
-#ifndef HAVE_ONLY_PROCFS_SEQ
- lvars.module_vars,
-#endif
LUSTRE_MDT_NAME, &mdt_device_type);
if (rc)
GOTO(mds_fini, rc);
return rc;
}
-static void __exit mdt_mod_exit(void)
+static void __exit mdt_exit(void)
{
class_unregister_type(LUSTRE_MDT_NAME);
mds_mod_exit();
lu_kmem_fini(mdt_caches);
}
-MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
+MODULE_AUTHOR("OpenSFS, Inc. <http://www.lustre.org/>");
MODULE_DESCRIPTION("Lustre Metadata Target ("LUSTRE_MDT_NAME")");
+MODULE_VERSION(LUSTRE_VERSION_STRING);
MODULE_LICENSE("GPL");
-cfs_module(mdt, LUSTRE_VERSION_STRING, mdt_mod_init, mdt_mod_exit);
+module_init(mdt_init);
+module_exit(mdt_exit);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff