* struct OBD_{ALLOC,FREE}*()
*/
#include <obd_support.h>
+#include <lustre_ioctl.h>
/* struct ptlrpc_request */
#include <lustre_net.h>
/* struct obd_export */
#include <lustre_acl.h>
#include <lustre_param.h>
#include <lustre_quota.h>
-#include <lustre_linkea.h>
#include <lustre_lfsck.h>
mdl_mode_t mdt_mdl_lock_modes[] = {
lh->mlh_type = MDT_REG_LOCK;
}
-void mdt_lock_pdo_init(struct mdt_lock_handle *lh, ldlm_mode_t lm,
- const char *name, int namelen)
+void mdt_lock_pdo_init(struct mdt_lock_handle *lh, ldlm_mode_t lock_mode,
+ const struct lu_name *lname)
{
- lh->mlh_reg_mode = lm;
- lh->mlh_rreg_mode = lm;
- lh->mlh_type = MDT_PDO_LOCK;
+ lh->mlh_reg_mode = lock_mode;
+ lh->mlh_rreg_mode = lock_mode;
+ lh->mlh_type = MDT_PDO_LOCK;
- if (name != NULL && (name[0] != '\0')) {
- LASSERT(namelen > 0);
- lh->mlh_pdo_hash = full_name_hash(name, namelen);
+ if (lu_name_is_valid(lname)) {
+ lh->mlh_pdo_hash = full_name_hash(lname->ln_name,
+ lname->ln_namelen);
/* XXX Workaround for LU-2856
- * Zero is a valid return value of full_name_hash, but several
- * users of mlh_pdo_hash assume a non-zero hash value. We
- * therefore map zero onto an arbitrary, but consistent
- * value (1) to avoid problems further down the road. */
- if (unlikely(!lh->mlh_pdo_hash))
+ *
+ * Zero is a valid return value of full_name_hash, but
+ * several users of mlh_pdo_hash assume a non-zero
+ * hash value. We therefore map zero onto an
+ * arbitrary, but consistent value (1) to avoid
+ * problems further down the road. */
+ if (unlikely(lh->mlh_pdo_hash == 0))
lh->mlh_pdo_hash = 1;
- } else {
- LASSERT(namelen == 0);
- lh->mlh_pdo_hash = 0ull;
- }
+ } else {
+ lh->mlh_pdo_hash = 0;
+ }
}
static void mdt_lock_pdo_mode(struct mdt_thread_info *info, struct mdt_object *o,
EXIT;
}
-int mdt_getstatus(struct tgt_session_info *tsi)
+static int mdt_getstatus(struct tgt_session_info *tsi)
{
struct mdt_thread_info *info = tsi2mdt_info(tsi);
struct mdt_device *mdt = info->mti_mdt;
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;
+ repbody->mbo_fid1 = mdt->mdt_md_root_fid;
+ repbody->mbo_valid |= OBD_MD_FLID;
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;
- root = mdt_object_find(info->mti_env, mdt, &repbody->fid1);
+ root = mdt_object_find(info->mti_env, mdt, &repbody->mbo_fid1);
if (IS_ERR(root))
GOTO(out, rc = PTR_ERR(root));
0);
mdt_object_put(info->mti_env, root);
if (rc == 0)
- repbody->valid |= OBD_MD_FLMDSCAPA;
+ repbody->mbo_valid |= OBD_MD_FLMDSCAPA;
}
EXIT;
out:
return rc;
}
-int mdt_statfs(struct tgt_session_info *tsi)
+static int mdt_statfs(struct tgt_session_info *tsi)
{
struct ptlrpc_request *req = tgt_ses_req(tsi);
struct mdt_thread_info *info = tsi2mdt_info(tsi);
!(ma->ma_valid & MA_SOM))
return;
- b->valid |= OBD_MD_FLSIZE | OBD_MD_FLBLOCKS;
- b->size = ma->ma_som->msd_size;
- b->blocks = ma->ma_som->msd_blocks;
+ b->mbo_valid |= OBD_MD_FLSIZE | OBD_MD_FLBLOCKS;
+ b->mbo_size = ma->ma_som->msd_size;
+ b->mbo_blocks = ma->ma_som->msd_blocks;
}
void mdt_pack_attr2body(struct mdt_thread_info *info, struct mdt_body *b,
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;
+ b->mbo_atime = attr->la_atime;
+ b->mbo_mtime = attr->la_mtime;
+ b->mbo_ctime = attr->la_ctime;
+ b->mbo_mode = attr->la_mode;
+ b->mbo_size = attr->la_size;
+ b->mbo_blocks = attr->la_blocks;
+ b->mbo_uid = attr->la_uid;
+ b->mbo_gid = attr->la_gid;
+ b->mbo_flags = attr->la_flags;
+ b->mbo_nlink = attr->la_nlink;
+ b->mbo_rdev = attr->la_rdev;
+
+ /* XXX should pack the reply body according to lu_valid */
+ b->mbo_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->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 (fid) {
+ b->mbo_fid1 = *fid;
+ b->mbo_valid |= OBD_MD_FLID;
+ CDEBUG(D_INODE, DFID": nlink=%d, mode=%o, size="LPU64"\n",
+ PFID(fid), b->mbo_nlink,
+ b->mbo_mode, b->mbo_size);
+ }
- if (info)
- mdt_body_reverse_idmap(info, b);
+ if (info)
+ mdt_body_reverse_idmap(info, b);
- if (fid != NULL && (b->valid & OBD_MD_FLSIZE))
- CDEBUG(D_VFSTRACE, DFID": returning size %llu\n",
- PFID(fid), (unsigned long long)b->size);
+ 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);
}
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;
}
-static int mdt_big_xattr_get(struct mdt_thread_info *info, struct mdt_object *o,
- char *name)
+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;
+
+ rc = mo_xattr_get(env, mdt_object_child(o), &LU_BUF_NULL,
+ XATTR_NAME_LOV);
+
+ if (rc == -ENODATA)
+ rc = 0;
+
+ if (rc < 0)
+ goto out;
+
+ /* Is it a directory? Let's check for the LMV as well */
+ 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;
+ }
+
+out:
+ return rc;
+}
+
+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;
RETURN(rc);
}
-int mdt_attr_get_lov(struct mdt_thread_info *info,
- struct mdt_object *o, struct md_attr *ma)
+int mdt_stripe_get(struct mdt_thread_info *info, struct mdt_object *o,
+ struct md_attr *ma, const char *name)
{
struct md_object *next = mdt_object_child(o);
struct lu_buf *buf = &info->mti_buf;
int rc;
- buf->lb_buf = ma->ma_lmm;
- buf->lb_len = ma->ma_lmm_size;
- rc = mo_xattr_get(info->mti_env, next, buf, XATTR_NAME_LOV);
+ if (strcmp(name, XATTR_NAME_LOV) == 0) {
+ buf->lb_buf = ma->ma_lmm;
+ buf->lb_len = ma->ma_lmm_size;
+ LASSERT(!(ma->ma_valid & MA_LOV));
+ } else if (strcmp(name, XATTR_NAME_LMV) == 0) {
+ buf->lb_buf = ma->ma_lmv;
+ buf->lb_len = ma->ma_lmv_size;
+ LASSERT(!(ma->ma_valid & MA_LMV));
+ } else if (strcmp(name, XATTR_NAME_DEFAULT_LMV) == 0) {
+ buf->lb_buf = ma->ma_lmv;
+ buf->lb_len = ma->ma_lmv_size;
+ LASSERT(!(ma->ma_valid & MA_LMV_DEF));
+ } else {
+ return -EINVAL;
+ }
+
+ rc = mo_xattr_get(info->mti_env, next, buf, name);
if (rc > 0) {
- ma->ma_lmm_size = rc;
- ma->ma_valid |= MA_LOV;
+
+got:
+ if (strcmp(name, XATTR_NAME_LOV) == 0) {
+ 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_lmv_size = rc;
+ 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 = 0;
} else if (rc == -ERANGE) {
- rc = mdt_big_xattr_get(info, o, XATTR_NAME_LOV);
+ /* Default LMV has fixed size, so it must be able to fit
+ * in the original buffer */
+ if (strcmp(name, XATTR_NAME_DEFAULT_LMV) == 0)
+ return rc;
+ rc = mdt_big_xattr_get(info, o, name);
if (rc > 0) {
info->mti_big_lmm_used = 1;
- ma->ma_valid |= MA_LOV;
- ma->ma_lmm = info->mti_big_lmm;
- ma->ma_lmm_size = rc;
- /* 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;
}
}
return rc;
}
-int mdt_attr_get_pfid(struct mdt_thread_info *info,
- struct mdt_object *o, struct lu_fid *pfid)
+static int mdt_attr_get_pfid(struct mdt_thread_info *info,
+ struct mdt_object *o, struct lu_fid *pfid)
{
struct lu_buf *buf = &info->mti_buf;
struct link_ea_header *leh;
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);
}
if (need & MA_LOV && (S_ISREG(mode) || S_ISDIR(mode))) {
- rc = mdt_attr_get_lov(info, o, ma);
+ rc = mdt_stripe_get(info, o, ma, XATTR_NAME_LOV);
if (rc)
GOTO(out, rc);
}
if (need & MA_LMV && S_ISDIR(mode)) {
- buf->lb_buf = ma->ma_lmv;
- buf->lb_len = ma->ma_lmv_size;
- rc2 = mo_xattr_get(env, next, buf, XATTR_NAME_LMV);
- if (rc2 > 0) {
- ma->ma_lmv_size = rc2;
- ma->ma_valid |= MA_LMV;
- } else if (rc2 == -ENODATA) {
- /* no LMV EA */
- ma->ma_lmv_size = 0;
- } else
- GOTO(out, rc = rc2);
+ rc = mdt_stripe_get(info, o, ma, XATTR_NAME_LMV);
+ if (rc != 0)
+ GOTO(out, rc);
+ }
+
+ if (need & MA_LMV_DEF && S_ISDIR(mode)) {
+ rc = mdt_stripe_get(info, o, ma, XATTR_NAME_DEFAULT_LMV);
+ if (rc != 0)
+ GOTO(out, rc);
}
if (need & MA_SOM && S_ISREG(mode)) {
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);
}
- buffer->lb_len = reqbody->eadatasize;
- if (buffer->lb_len > 0)
+ if (reqbody->mbo_eadatasize > 0) {
buffer->lb_buf = req_capsule_server_get(pill, &RMF_MDT_MD);
- else
+ if (buffer->lb_buf == NULL)
+ GOTO(out, rc = -EPROTO);
+ buffer->lb_len = req_capsule_get_size(pill, &RMF_MDT_MD,
+ RCL_SERVER);
+ } else {
buffer->lb_buf = NULL;
+ buffer->lb_len = 0;
+ ma_need &= ~(MA_LOV | MA_LMV);
+ CDEBUG(D_INFO, "%s: RPC from %s: does not need LOVEA.\n",
+ mdt_obd_name(info->mti_mdt),
+ req->rq_export->exp_client_uuid.uuid);
+ }
- /* 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) {
- /* 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_LMV | MA_INODE;
- } else {
- ma->ma_lmm = buffer->lb_buf;
- ma->ma_lmm_size = buffer->lb_len;
- ma->ma_need = MA_LOV | MA_INODE | MA_HSM;
- }
+ /* If it is dir object and client require MEA, then we got MEA */
+ if (S_ISDIR(lu_object_attr(&next->mo_lu)) &&
+ (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->mbo_valid & OBD_MD_MEA)
+ ma->ma_need |= MA_LMV;
+ else if (reqbody->mbo_valid & OBD_MD_DEFAULT_MEA)
+ ma->ma_need |= MA_LMV_DEF;
+ }
+ } else {
+ ma->ma_lmm = buffer->lb_buf;
+ ma->ma_lmm_size = buffer->lb_len;
+ ma->ma_need = MA_INODE | MA_HSM;
+ if (ma->ma_lmm_size > 0)
+ ma->ma_need |= MA_LOV;
+ }
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;
/* 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;
+ repbody->mbo_t_state = MS_RESTORE;
+ repbody->mbo_valid |= OBD_MD_TSTATE;
}
is_root = lu_fid_eq(mdt_object_fid(o), &info->mti_mdt->mdt_md_root_fid);
root = mdt_object_find(env, mdt, &rootfid);
if (IS_ERR(root))
RETURN(PTR_ERR(root));
- rc = mdt_attr_get_lov(info, root, ma);
+ rc = mdt_stripe_get(info, root, ma, XATTR_NAME_LOV);
mdt_object_put(info->mti_env, root);
if (unlikely(rc)) {
CERROR("%s: getattr error for "DFID": rc = %d\n",
if (mdt_body_has_lov(la, reqbody)) {
if (ma->ma_valid & MA_LOV) {
LASSERT(ma->ma_lmm_size);
- mdt_dump_lmm(D_INFO, ma->ma_lmm);
- repbody->eadatasize = ma->ma_lmm_size;
- if (S_ISDIR(la->la_mode))
- repbody->valid |= OBD_MD_FLDIREA;
- else
- repbody->valid |= OBD_MD_FLEASIZE;
- }
- if (ma->ma_valid & MA_LMV) {
- LASSERT(S_ISDIR(la->la_mode));
- repbody->eadatasize = ma->ma_lmv_size;
- repbody->valid |= (OBD_MD_FLDIREA|OBD_MD_MEA);
+ 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->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->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_cookiesize = 0;
+ repbody->mbo_max_mdsize = info->mti_mdt->mdt_max_mdsize;
+ repbody->mbo_valid |= OBD_MD_FLMODEASIZE;
+ CDEBUG(D_INODE, "I am going to change the MAX_MD_SIZE & "
+ "MAX_COOKIE to : %d:%d\n", repbody->mbo_max_mdsize,
+ repbody->mbo_max_cookiesize);
+ }
- 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)) {
+ (reqbody->mbo_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);
XATTR_NAME_ACL_ACCESS);
if (rc < 0) {
if (rc == -ENODATA) {
- repbody->aclsize = 0;
- repbody->valid |= OBD_MD_FLACL;
+ repbody->mbo_aclsize = 0;
+ repbody->mbo_valid |= OBD_MD_FLACL;
rc = 0;
} else if (rc == -EOPNOTSUPP) {
rc = 0;
PFID(mdt_object_fid(o)), rc);
}
} else {
- repbody->aclsize = rc;
- repbody->valid |= OBD_MD_FLACL;
- rc = 0;
- }
- }
- }
+ repbody->mbo_aclsize = rc;
+ repbody->mbo_valid |= OBD_MD_FLACL;
+ rc = 0;
+ }
+ }
+ }
#endif
- if (reqbody->valid & OBD_MD_FLMDSCAPA &&
+ if (reqbody->mbo_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;
rc = mo_capa_get(env, next, capa, 0);
if (rc)
RETURN(rc);
- repbody->valid |= OBD_MD_FLMDSCAPA;
+ repbody->mbo_valid |= OBD_MD_FLMDSCAPA;
}
out:
*capa = *c;
rc = mo_capa_get(info->mti_env, mdt_object_child(obj), capa, 1);
if (rc == 0)
- body->valid |= OBD_MD_FLOSSCAPA;
+ body->mbo_valid |= OBD_MD_FLOSSCAPA;
RETURN(rc);
}
-int mdt_getattr(struct tgt_session_info *tsi)
+static int mdt_getattr(struct tgt_session_info *tsi)
{
struct mdt_thread_info *info = tsi2mdt_info(tsi);
struct mdt_object *obj = info->mti_object;
struct req_capsule *pill = info->mti_pill;
struct mdt_body *reqbody;
struct mdt_body *repbody;
- mode_t mode;
int rc, rc2;
ENTRY;
reqbody = req_capsule_client_get(pill, &RMF_MDT_BODY);
LASSERT(reqbody);
- if (reqbody->valid & OBD_MD_FLOSSCAPA) {
+ if (reqbody->mbo_valid & OBD_MD_FLOSSCAPA) {
rc = req_capsule_server_pack(pill);
if (unlikely(rc))
RETURN(err_serious(rc));
LASSERT(obj != NULL);
LASSERT(lu_object_assert_exists(&obj->mot_obj));
- mode = lu_object_attr(&obj->mot_obj);
+ /* Unlike intent case where we need to pre-fill out buffers early on
+ * in intent policy for ldlm reasons, here we can have a much better
+ * guess at EA size by just reading it from disk.
+ * Exceptions are readdir and (missing) directory striping */
+ /* Readlink */
+ 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;
+
+ /* A special case for fs ROOT: getattr there might fetch
+ * default EA for entire fs, not just for this dir!
+ */
+ } else if (lu_fid_eq(mdt_object_fid(obj),
+ &info->mti_mdt->mdt_md_root_fid) &&
+ (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
+ * will reallocate */
+ rc = DEF_REP_MD_SIZE;
+ } else {
+ /* Read the actual EA size from disk */
+ rc = mdt_attr_get_eabuf_size(info, obj);
+ }
- /* old clients may not report needed easize, use max value then */
- req_capsule_set_size(pill, &RMF_MDT_MD, RCL_SERVER,
- reqbody->eadatasize == 0 ?
- info->mti_mdt->mdt_max_mdsize :
- reqbody->eadatasize);
+ if (rc < 0)
+ GOTO(out_shrink, rc);
+
+ req_capsule_set_size(pill, &RMF_MDT_MD, RCL_SERVER, rc);
rc = req_capsule_server_pack(pill);
if (unlikely(rc != 0))
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)
+ /*
+ * 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->mbo_fid1, BYPASS_CAPA);
+ rc = mdt_getattr_internal(info, obj, 0);
+ if (reqbody->mbo_valid & OBD_MD_FLRMTPERM)
mdt_exit_ucred(info);
EXIT;
out_shrink:
return rc;
}
-int mdt_is_subdir(struct tgt_session_info *tsi)
-{
- 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;
-
- LASSERT(o != NULL);
-
- repbody = req_capsule_server_get(pill, &RMF_MDT_BODY);
-
- /*
- * 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;
-
- mdt_thread_info_fini(info);
- RETURN(rc);
-}
-
-int mdt_swap_layouts(struct tgt_session_info *tsi)
+static int mdt_swap_layouts(struct tgt_session_info *tsi)
{
struct mdt_thread_info *info;
struct ptlrpc_request *req = tgt_ses_req(tsi);
RETURN(-EOPNOTSUPP);
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,
+ mdt_set_capainfo(info, 0, &info->mti_body->mbo_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,
+ mdt_set_capainfo(info, 1, &info->mti_body->mbo_fid2,
req_capsule_client_get(info->mti_pill,
&RMF_CAPA2));
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);
int rc;
ENTRY;
- if (reqbody->valid != OBD_MD_FLID)
+ if (reqbody->mbo_valid != OBD_MD_FLID)
RETURN(0);
LASSERT(!info->mti_cross_ref);
#endif
if (rc == 0) {
repbody = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
- repbody->fid1 = *child_fid;
- repbody->valid = OBD_MD_FLID;
+ repbody->mbo_fid1 = *child_fid;
+ repbody->mbo_valid = OBD_MD_FLID;
}
RETURN(1);
}
struct md_object *next = mdt_object_child(parent);
struct lu_fid *child_fid = &info->mti_tmp_fid1;
struct lu_name *lname = NULL;
- const char *name = NULL;
- int namelen = 0;
struct mdt_lock_handle *lhp = NULL;
struct ldlm_lock *lock;
- struct ldlm_res_id *res_id;
- int is_resent;
- int ma_need = 0;
- int rc;
+ bool is_resent;
+ bool try_layout;
+ int ma_need = 0;
+ int rc;
+ ENTRY;
- ENTRY;
+ is_resent = lustre_handle_is_used(&lhc->mlh_reg_lh);
+ LASSERT(ergo(is_resent,
+ lustre_msg_get_flags(req->rq_reqmsg) & MSG_RESENT));
- is_resent = lustre_handle_is_used(&lhc->mlh_reg_lh);
- LASSERT(ergo(is_resent,
- lustre_msg_get_flags(req->rq_reqmsg) & MSG_RESENT));
+ LASSERT(parent != NULL);
- LASSERT(parent != NULL);
- name = req_capsule_client_get(info->mti_pill, &RMF_NAME);
- if (name == NULL)
- RETURN(err_serious(-EFAULT));
+ if (info->mti_cross_ref) {
+ /* Only getattr on the child. Parent is on another node. */
+ mdt_set_disposition(info, ldlm_rep,
+ DISP_LOOKUP_EXECD | DISP_LOOKUP_POS);
+ child = parent;
+ CDEBUG(D_INODE, "partial getattr_name child_fid = "DFID", "
+ "ldlm_rep = %p\n",
+ PFID(mdt_object_fid(child)), ldlm_rep);
- namelen = req_capsule_get_size(info->mti_pill, &RMF_NAME,
- RCL_CLIENT) - 1;
- if (!info->mti_cross_ref) {
- /*
- * XXX: Check for "namelen == 0" is for getattr by fid
- * (OBD_CONNECT_ATTRFID), otherwise do not allow empty name,
- * that is the name must contain at least one character and
- * the terminating '\0'
- */
- if (namelen == 0) {
- reqbody = req_capsule_client_get(info->mti_pill,
- &RMF_MDT_BODY);
- if (unlikely(reqbody == NULL))
- RETURN(err_serious(-EFAULT));
-
- if (unlikely(!fid_is_sane(&reqbody->fid2)))
- RETURN(err_serious(-EINVAL));
-
- name = NULL;
- CDEBUG(D_INODE, "getattr with lock for "DFID"/"DFID", "
- "ldlm_rep = %p\n",
- PFID(mdt_object_fid(parent)),
- PFID(&reqbody->fid2), ldlm_rep);
- } else {
- lname = mdt_name(info->mti_env, (char *)name, namelen);
- CDEBUG(D_INODE, "getattr with lock for "DFID"/%s, "
- "ldlm_rep = %p\n", PFID(mdt_object_fid(parent)),
- name, ldlm_rep);
- }
+ rc = mdt_check_resent_lock(info, child, lhc);
+ if (rc < 0) {
+ RETURN(-EPROTO);
+ } else if (rc > 0) {
+ mdt_lock_handle_init(lhc);
+ mdt_lock_reg_init(lhc, LCK_PR);
+
+ /*
+ * Object's name is on another MDS, no lookup or layout
+ * lock is needed here but update lock is.
+ */
+ child_bits &= ~(MDS_INODELOCK_LOOKUP |
+ MDS_INODELOCK_LAYOUT);
+ child_bits |= MDS_INODELOCK_PERM | MDS_INODELOCK_UPDATE;
+
+ rc = mdt_object_lock(info, child, lhc, child_bits,
+ MDT_LOCAL_LOCK);
+ if (rc < 0)
+ RETURN(rc);
+ }
+
+ /* Finally, we can get attr for child. */
+ if (!mdt_object_exists(child)) {
+ LU_OBJECT_DEBUG(D_INFO, info->mti_env,
+ &child->mot_obj,
+ "remote object doesn't exist.\n");
+ 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);
+
+ RETURN(rc);
}
- mdt_set_disposition(info, ldlm_rep, DISP_LOOKUP_EXECD);
- if (unlikely(!mdt_object_exists(parent)) && lname) {
+ lname = &info->mti_name;
+ mdt_name_unpack(info->mti_pill, &RMF_NAME, lname, MNF_FIX_ANON);
+
+ if (lu_name_is_valid(lname)) {
+ CDEBUG(D_INODE, "getattr with lock for "DFID"/"DNAME", "
+ "ldlm_rep = %p\n", PFID(mdt_object_fid(parent)),
+ PNAME(lname), ldlm_rep);
+ } else {
+ reqbody = req_capsule_client_get(info->mti_pill, &RMF_MDT_BODY);
+ if (unlikely(reqbody == NULL))
+ RETURN(err_serious(-EPROTO));
+
+ *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->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");
RETURN(-ESTALE);
- } else if (!info->mti_cross_ref) {
- LASSERTF(!mdt_object_remote(parent),
- "Parent "DFID" is on remote server\n",
- PFID(mdt_object_fid(parent)));
}
- if (lname) {
- rc = mdt_raw_lookup(info, parent, lname, ldlm_rep);
- if (rc != 0) {
- if (rc > 0)
- rc = 0;
- RETURN(rc);
- }
- }
-
- if (info->mti_cross_ref) {
- /* Only getattr on the child. Parent is on another node. */
- mdt_set_disposition(info, ldlm_rep, DISP_LOOKUP_POS);
- child = parent;
- CDEBUG(D_INODE, "partial getattr_name child_fid = "DFID", "
- "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);
- rc = 0;
- } else {
- mdt_lock_handle_init(lhc);
- mdt_lock_reg_init(lhc, LCK_PR);
- /*
- * Object's name is on another MDS, no lookup lock is
- * needed here but update is.
- */
- child_bits &= ~MDS_INODELOCK_LOOKUP;
- child_bits |= MDS_INODELOCK_PERM | MDS_INODELOCK_UPDATE;
+ if (mdt_object_remote(parent)) {
+ CERROR("%s: parent "DFID" is on remote target\n",
+ mdt_obd_name(info->mti_mdt),
+ PFID(mdt_object_fid(parent)));
+ RETURN(-EIO);
+ }
- rc = mdt_object_lock(info, child, lhc, child_bits,
- MDT_LOCAL_LOCK);
- }
- if (rc == 0) {
- /* Finally, we can get attr for child. */
- 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);
- }
- RETURN(rc);
- }
+ if (lu_name_is_valid(lname)) {
+ rc = mdt_raw_lookup(info, parent, lname, ldlm_rep);
+ if (rc != 0) {
+ if (rc > 0)
+ rc = 0;
+ RETURN(rc);
+ }
- if (lname) {
- /* step 1: lock parent only if parent is a directory */
+ /* step 1: lock parent only if parent is a directory */
if (S_ISDIR(lu_object_attr(&parent->mot_obj))) {
- lhp = &info->mti_lh[MDT_LH_PARENT];
- mdt_lock_pdo_init(lhp, LCK_PR, name, namelen);
+ 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);
fid_zero(child_fid);
rc = mdo_lookup(info->mti_env, next, lname, child_fid,
&info->mti_spec);
+ if (rc == -ENOENT)
+ mdt_set_disposition(info, ldlm_rep, DISP_LOOKUP_NEG);
- if (rc != 0) {
- if (rc == -ENOENT)
- mdt_set_disposition(info, ldlm_rep,
- DISP_LOOKUP_NEG);
- GOTO(out_parent, rc);
- } else
- mdt_set_disposition(info, ldlm_rep, DISP_LOOKUP_POS);
- } else {
- *child_fid = reqbody->fid2;
- mdt_set_disposition(info, ldlm_rep, DISP_LOOKUP_POS);
- }
+ if (rc != 0)
+ GOTO(out_parent, rc);
+ }
+
+ mdt_set_disposition(info, ldlm_rep, DISP_LOOKUP_POS);
/*
*step 3: find the child object by fid & lock it.
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);
-
- res_id = &lock->l_resource->lr_name;
- 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);
- rc = 0;
- } else {
- bool try_layout = false;
-relock:
+ rc = mdt_check_resent_lock(info, child, lhc);
+ if (rc < 0) {
+ GOTO(out_child, rc);
+ } else if (rc > 0) {
OBD_FAIL_TIMEOUT(OBD_FAIL_MDS_RESEND, obd_timeout*2);
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,
if (!OBD_FAIL_CHECK(OBD_FAIL_MDS_NO_LL_GETATTR) &&
exp_connect_layout(info->mti_exp) &&
S_ISREG(lu_object_attr(&child->mot_obj)) &&
- ldlm_rep != NULL) {
+ !mdt_object_remote(child) && ldlm_rep != NULL) {
/* try to grant layout lock for regular file. */
try_layout = true;
}
ma_need |= MA_LOV;
}
} else {
+ /* Do not enqueue the UPDATE lock from MDT(cross-MDT),
+ * 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);
}
mdt_object_unlock(info, child, lhc, 1);
} else if (lock) {
/* Debugging code. */
- res_id = &lock->l_resource->lr_name;
LDLM_DEBUG(lock, "Returning lock to client");
LASSERTF(fid_res_name_eq(mdt_object_fid(child),
&lock->l_resource->lr_name),
}
/* normal handler: should release the child lock */
-int mdt_getattr_name(struct tgt_session_info *tsi)
+static int mdt_getattr_name(struct tgt_session_info *tsi)
{
struct mdt_thread_info *info = tsi2mdt_info(tsi);
struct mdt_lock_handle *lhc = &info->mti_lh[MDT_LH_CHILD];
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);
if (unlikely(rc))
static int mdt_iocontrol(unsigned int cmd, struct obd_export *exp, int len,
void *karg, void *uarg);
-int mdt_set_info(struct tgt_session_info *tsi)
+static int mdt_set_info(struct tgt_session_info *tsi)
{
struct ptlrpc_request *req = tgt_ses_req(tsi);
char *key;
RETURN(rc);
}
-int mdt_readpage(struct tgt_session_info *tsi)
+static int mdt_readpage(struct tgt_session_info *tsi)
{
struct mdt_thread_info *info = mdt_th_info(tsi->tsi_env);
struct mdt_object *object = mdt_obj(tsi->tsi_corpus);
* 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;
/* for replay (no_create) lmm is not needed, client has it already */
if (req_capsule_has_field(pill, &RMF_MDT_MD, RCL_SERVER))
req_capsule_set_size(pill, &RMF_MDT_MD, RCL_SERVER,
- info->mti_rr.rr_eadatalen);
+ DEF_REP_MD_SIZE);
/* llog cookies are always 0, the field is kept for compatibility */
if (req_capsule_has_field(pill, &RMF_LOGCOOKIES, RCL_SERVER))
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);
GOTO(out_ucred, rc = err_serious(rc));
if (mdt_check_resent(info, mdt_reconstruct, lhc)) {
- rc = lustre_msg_get_status(mdt_info_req(info)->rq_repmsg);
+ 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);
}
rc = mdt_reint_rec(info, lhc);
return opc;
}
-int mdt_reint(struct tgt_session_info *tsi)
+static int mdt_reint(struct tgt_session_info *tsi)
{
long opc;
int rc;
[REINT_RENAME] = &RQF_MDS_REINT_RENAME,
[REINT_OPEN] = &RQF_MDS_REINT_OPEN,
[REINT_SETXATTR] = &RQF_MDS_REINT_SETXATTR,
- [REINT_RMENTRY] = &RQF_MDS_REINT_UNLINK
+ [REINT_RMENTRY] = &RQF_MDS_REINT_UNLINK,
+ [REINT_MIGRATE] = &RQF_MDS_REINT_RENAME
};
ENTRY;
/* 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);
}
-int mdt_sync(struct tgt_session_info *tsi)
+static int mdt_sync(struct tgt_session_info *tsi)
{
struct ptlrpc_request *req = tgt_ses_req(tsi);
struct req_capsule *pill = tsi->tsi_pill;
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);
* Handle quota control requests to consult current usage/limit, but also
* to configure quota enforcement
*/
-int mdt_quotactl(struct tgt_session_info *tsi)
+static int mdt_quotactl(struct tgt_session_info *tsi)
{
struct obd_export *exp = tsi->tsi_exp;
struct req_capsule *pill = tsi->tsi_pill;
/*
* sec context handlers
*/
-int mdt_sec_ctx_handle(struct tgt_session_info *tsi)
+static int mdt_sec_ctx_handle(struct tgt_session_info *tsi)
{
int rc;
/*
* quota request handlers
*/
-int mdt_quota_dqacq(struct tgt_session_info *tsi)
+static int mdt_quota_dqacq(struct tgt_session_info *tsi)
{
struct mdt_device *mdt = mdt_exp2dev(tsi->tsi_exp);
struct lu_device *qmt = mdt->mdt_qmt_dev;
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;
- 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);
}
/**
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);
}
-int mdt_md_blocking_ast(struct ldlm_lock *lock, struct ldlm_lock_desc *desc,
- void *data, int flag)
+/* Used for cross-MDT lock */
+int mdt_remote_blocking_ast(struct ldlm_lock *lock, struct ldlm_lock_desc *desc,
+ void *data, int flag)
{
struct lustre_handle lockh;
int rc;
RETURN(0);
}
+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 (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);
+ LASSERTF(lock != NULL, "Invalid lock handle "LPX64"\n",
+ lhc->mlh_reg_lh.cookie);
+
+ 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, struct lustre_handle *lh,
- ldlm_mode_t mode, __u64 ibits)
+ struct mdt_object *o, const struct lu_fid *fid,
+ struct lustre_handle *lh, ldlm_mode_t mode,
+ __u64 ibits)
{
struct ldlm_enqueue_info *einfo = &mti->mti_einfo;
ldlm_policy_data_t *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);
+ LASSERT(ibits == MDS_INODELOCK_UPDATE);
+
+ fid_build_reg_res_name(fid, res_id);
memset(einfo, 0, sizeof(*einfo));
einfo->ei_type = LDLM_IBITS;
einfo->ei_mode = mode;
- einfo->ei_cb_bl = mdt_md_blocking_ast;
+ einfo->ei_cb_bl = mdt_remote_blocking_ast;
einfo->ei_cb_cp = ldlm_completion_ast;
+ einfo->ei_enq_slave = 0;
+ einfo->ei_res_id = res_id;
memset(policy, 0, sizeof(*policy));
policy->l_inodebits.bits = ibits;
RETURN(rc);
}
-static int mdt_object_lock0(struct mdt_thread_info *info, struct mdt_object *o,
- struct mdt_lock_handle *lh, __u64 ibits,
- bool nonblock, int locality)
+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)
{
struct ldlm_namespace *ns = info->mti_mdt->mdt_namespace;
ldlm_policy_data_t *policy = &info->mti_policy;
LASSERT(lh->mlh_reg_mode != LCK_MINMODE);
LASSERT(lh->mlh_type != MDT_NUL_LOCK);
- if (mdt_object_remote(o)) {
- if (locality == MDT_CROSS_LOCK) {
- ibits &= ~(MDS_INODELOCK_UPDATE | MDS_INODELOCK_PERM);
- ibits |= MDS_INODELOCK_LOOKUP;
- } else {
- LASSERTF(!(ibits &
- (MDS_INODELOCK_UPDATE | MDS_INODELOCK_PERM)),
- "%s: wrong bit "LPX64" for remote obj "DFID"\n",
- mdt_obd_name(info->mti_mdt), ibits,
- PFID(mdt_object_fid(o)));
- LASSERT(ibits & MDS_INODELOCK_LOOKUP);
- }
- /* No PDO lock on remote object */
- LASSERT(lh->mlh_type != MDT_PDO_LOCK);
- }
+ /* Only enqueue LOOKUP lock for remote object */
+ if (mdt_object_remote(o))
+ LASSERT(ibits == MDS_INODELOCK_LOOKUP);
if (lh->mlh_type == MDT_PDO_LOCK) {
/* check for exists after object is locked */
* want it slowed down due to possible cancels.
*/
policy->l_inodebits.bits = MDS_INODELOCK_UPDATE;
- rc = mdt_fid_lock(ns, &lh->mlh_pdo_lh, lh->mlh_pdo_mode,
- policy, res_id, dlmflags,
- &info->mti_exp->exp_handle.h_cookie);
+ rc = mdt_fid_lock(ns, &lh->mlh_pdo_lh, lh->mlh_pdo_mode,
+ policy, res_id, dlmflags,
+ info->mti_exp == NULL ? NULL :
+ &info->mti_exp->exp_handle.h_cookie);
if (unlikely(rc))
RETURN(rc);
}
* going to be sent to client. If it is - mdt_intent_policy() path will
* fix it up and turn FL_LOCAL flag off.
*/
- rc = mdt_fid_lock(ns, &lh->mlh_reg_lh, lh->mlh_reg_mode, policy,
- res_id, LDLM_FL_LOCAL_ONLY | dlmflags,
- &info->mti_exp->exp_handle.h_cookie);
+ rc = mdt_fid_lock(ns, &lh->mlh_reg_lh, lh->mlh_reg_mode, policy,
+ 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)) &&
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)
+{
+ 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);
+ }
+
+ /* XXX do not support PERM/LAYOUT/XATTR lock for remote object yet */
+ ibits &= ~(MDS_INODELOCK_PERM | MDS_INODELOCK_LAYOUT |
+ MDS_INODELOCK_XATTR);
+ 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
+ * RPC, so it will instead enqueue EX lock for remote
+ * object anyway XXX*/
+ if (lh->mlh_type == MDT_PDO_LOCK &&
+ lh->mlh_pdo_hash != 0) {
+ CDEBUG(D_INFO, "%s: "DFID" convert PDO lock to"
+ "EX lock.\n", mdt_obd_name(info->mti_mdt),
+ PFID(mdt_object_fid(o)));
+ lh->mlh_pdo_hash = 0;
+ lh->mlh_rreg_mode = LCK_EX;
+ lh->mlh_type = MDT_REG_LOCK;
+ }
+ 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)
+ 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)
{
- return mdt_object_lock0(info, o, lh, ibits, false, locality);
+ return mdt_object_lock_internal(info, o, lh, ibits, false, locality);
}
int mdt_object_lock_try(struct mdt_thread_info *info, struct mdt_object *o,
struct mdt_lock_handle tmp = *lh;
int rc;
- rc = mdt_object_lock0(info, o, &tmp, ibits, true, locality);
+ rc = mdt_object_lock_internal(info, o, &tmp, ibits, true, locality);
if (rc == 0)
*lh = tmp;
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);
}
*/
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)
+ mdt_set_capainfo(info, 0, &body->mbo_fid1,
+ req_capsule_client_get(pill, &RMF_CAPA1));
+
+ 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);
+ /* for capability renew ENOENT will be handled in
+ * mdt_renew_capa */
+ if (body->mbo_valid & OBD_MD_FLOSSCAPA)
rc = 0;
else
rc = -ENOENT;
/* Pack reply. */
if (req_capsule_has_field(pill, &RMF_MDT_MD, RCL_SERVER))
req_capsule_set_size(pill, &RMF_MDT_MD, RCL_SERVER,
- info->mti_body->eadatasize);
+ DEF_REP_MD_SIZE);
if (req_capsule_has_field(pill, &RMF_LOGCOOKIES, RCL_SERVER))
req_capsule_set_size(pill, &RMF_LOGCOOKIES,
RCL_SERVER, 0);
info->mti_opdata = 0;
info->mti_big_lmm_used = 0;
- /* To not check for split by default. */
info->mti_spec.no_create = 0;
info->mti_spec.sp_rm_entry = 0;
+
+ info->mti_spec.u.sp_ea.eadata = NULL;
+ info->mti_spec.u.sp_ea.eadatalen = 0;
}
void mdt_thread_info_fini(struct mdt_thread_info *info)
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);
+ mdt_set_capainfo(mti, 0, &tsi->tsi_mdt_body->mbo_fid1,
+ lc);
}
}
mti->mti_body = tsi->tsi_mdt_body;
return mti;
}
-int mdt_tgt_connect(struct tgt_session_info *tsi)
+static int mdt_tgt_connect(struct tgt_session_info *tsi)
{
struct ptlrpc_request *req = tgt_ses_req(tsi);
int rc;
ENTRY;
+ if (OBD_FAIL_CHECK(OBD_FAIL_TGT_DELAY_CONDITIONAL) &&
+ cfs_fail_val ==
+ tsi2mdt_info(tsi)->mti_mdt->mdt_seq_site.ss_node_id)
+ schedule_timeout_and_set_state(TASK_UNINTERRUPTIBLE, HZ * 3);
+
rc = tgt_connect(tsi);
if (rc != 0)
RETURN(rc);
}
};
-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)
+static int
+mdt_intent_lock_replace(struct mdt_thread_info *info,
+ struct ldlm_lock **lockp,
+ struct mdt_lock_handle *lh,
+ __u64 flags)
{
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;
*/
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)
+ struct ldlm_lock *new_lock,
+ struct mdt_lock_handle *lh,
+ __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];
-
- /* 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) {
- 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);
- return;
- }
- cfs_hash_put(exp->exp_lock_hash, &lock->l_exp_hash);
- }
+ /* 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
*/
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);
+ 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,
grc = mdt_getxattr(info);
- rc = mdt_intent_lock_replace(info, lockp, NULL, lhc, flags);
+ rc = mdt_intent_lock_replace(info, lockp, lhc, flags);
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 ptlrpc_request *req;
struct mdt_body *reqbody;
struct mdt_body *repbody;
int rc, rc2;
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:
if (rc)
GOTO(out_shrink, rc);
- req = info->mti_pill->rc_req;
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);
+ /* Get lock from request for possible resent case. */
+ 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);
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;
- struct md_object *child = NULL;
- int rc;
+ int rc = 0;
ENTRY;
if (opcode != MDT_IT_LAYOUT) {
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));
if (mdt_object_exists(obj) && !mdt_object_remote(obj)) {
- child = mdt_object_child(obj);
-
/* get the length of lsm */
- rc = mo_xattr_get(info->mti_env, child, &LU_BUF_NULL,
- XATTR_NAME_LOV);
+ rc = mdt_attr_get_eabuf_size(info, obj);
+ if (rc < 0) {
+ mdt_object_put(info->mti_env, obj);
+ RETURN(rc);
+ }
if (rc > info->mti_mdt->mdt_max_mdsize)
info->mti_mdt->mdt_max_mdsize = rc;
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,
- ldlm_lvbo_size(*lockp));
+ req_capsule_set_size(info->mti_pill, &RMF_DLM_LVB, RCL_SERVER, rc);
rc = req_capsule_server_pack(info->mti_pill);
if (rc != 0)
RETURN(-EINVAL);
+ if (lustre_handle_is_used(&lhc->mlh_reg_lh))
+ rc = mdt_intent_lock_replace(info, lockp, lhc, flags);
+
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);
+ /* return to normal/resent ldlm handling */
+ RETURN(rc);
CERROR("%s: Unsupported layout intent (%d)\n",
mdt_obd_name(info->mti_mdt), layout->li_opc);
RETURN(err_serious(-EPROTO));
}
- /* Get lock from request for possible resent case. */
- mdt_intent_fixup_resent(info, *lockp, NULL, lhc);
+ /* Get lock from request for possible resent case. */
+ 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)) {
+ if (rc == -MDT_EREMOTE_OPEN || mdt_get_disposition(rep, DISP_OPEN_LOCK)) {
LASSERT(lustre_handle_is_used(&lhc->mlh_reg_lh));
rep->lock_policy_res2 = 0;
- rc = mdt_intent_lock_replace(info, lockp, NULL, lhc, flags);
+ rc = mdt_intent_lock_replace(info, lockp, lhc, flags);
RETURN(rc);
}
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);
+ rc = mdt_intent_lock_replace(info, lockp, lhc, flags);
RETURN(rc);
} else {
lhc->mlh_reg_lh.cookie = 0ull;
RETURN(rc);
}
-static int mdt_seq_fini(const struct lu_env *env,
- struct mdt_device *m)
+static void mdt_deregister_seq_exp(struct mdt_device *mdt)
{
- return seq_site_fini(env, mdt_seq_site(m));
+ struct seq_server_site *ss = mdt_seq_site(mdt);
+
+ if (ss->ss_node_id == 0)
+ return;
+
+ if (ss->ss_client_seq != NULL) {
+ lustre_deregister_lwp_item(&ss->ss_client_seq->lcs_exp);
+ ss->ss_client_seq->lcs_exp = NULL;
+ }
+
+ if (ss->ss_server_fld != NULL) {
+ lustre_deregister_lwp_item(&ss->ss_server_fld->lsf_control_exp);
+ ss->ss_server_fld->lsf_control_exp = NULL;
+ }
}
-static int mdt_seq_init(const struct lu_env *env,
- const char *uuid,
- struct mdt_device *m)
+static void mdt_seq_fini_cli(struct mdt_device *mdt)
{
- struct seq_server_site *ss;
- char *prefix;
- int rc;
+ struct seq_server_site *ss = mdt_seq_site(mdt);
+
+ if (ss == NULL)
+ return;
+
+ if (ss->ss_server_seq != NULL)
+ seq_server_set_cli(NULL, ss->ss_server_seq, NULL);
+}
+
+static int mdt_seq_fini(const struct lu_env *env, struct mdt_device *mdt)
+{
+ mdt_seq_fini_cli(mdt);
+ mdt_deregister_seq_exp(mdt);
+
+ return seq_site_fini(env, mdt_seq_site(mdt));
+}
+
+/**
+ * It will retrieve its FLDB entries from MDT0, and it only happens
+ * when upgrading existent FS to 2.6 or when local FLDB is corrupted,
+ * and it needs to refresh FLDB from the MDT0.
+ **/
+static int mdt_register_lwp_callback(void *data)
+{
+ struct lu_env env;
+ struct mdt_device *mdt = data;
+ struct lu_server_fld *fld = mdt_seq_site(mdt)->ss_server_fld;
+ int rc;
ENTRY;
- ss = mdt_seq_site(m);
+ LASSERT(mdt_seq_site(mdt)->ss_node_id != 0);
- /*
- * This is sequence-controller node. Init seq-controller server on local
- * MDT.
- */
- if (ss->ss_node_id == 0) {
- LASSERT(ss->ss_control_seq == NULL);
+ if (!likely(fld->lsf_new))
+ RETURN(0);
- OBD_ALLOC_PTR(ss->ss_control_seq);
- if (ss->ss_control_seq == NULL)
- RETURN(-ENOMEM);
+ rc = lu_env_init(&env, LCT_MD_THREAD);
+ if (rc) {
+ CERROR("%s: cannot init env: rc = %d\n", mdt_obd_name(mdt), rc);
+ RETURN(rc);
+ }
- rc = seq_server_init(ss->ss_control_seq,
- m->mdt_bottom, uuid,
- LUSTRE_SEQ_CONTROLLER,
- ss,
- env);
+ 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);
+ RETURN(rc);
+}
- if (rc)
- GOTO(out_seq_fini, rc);
+static int mdt_register_seq_exp(struct mdt_device *mdt)
+{
+ struct seq_server_site *ss = mdt_seq_site(mdt);
+ char *lwp_name = NULL;
+ int rc;
- OBD_ALLOC_PTR(ss->ss_client_seq);
- if (ss->ss_client_seq == NULL)
- GOTO(out_seq_fini, rc = -ENOMEM);
+ if (ss->ss_node_id == 0)
+ return 0;
- OBD_ALLOC(prefix, MAX_OBD_NAME + 5);
- if (prefix == NULL) {
- OBD_FREE_PTR(ss->ss_client_seq);
- GOTO(out_seq_fini, rc = -ENOMEM);
- }
+ OBD_ALLOC(lwp_name, MAX_OBD_NAME);
+ if (lwp_name == NULL)
+ GOTO(out_free, rc = -ENOMEM);
- snprintf(prefix, MAX_OBD_NAME + 5, "ctl-%s",
- uuid);
+ rc = tgt_name2lwp_name(mdt_obd_name(mdt), lwp_name, MAX_OBD_NAME, 0);
+ if (rc != 0)
+ GOTO(out_free, rc);
- /*
- * Init seq-controller client after seq-controller server is
- * ready. Pass ss->ss_control_seq to it for direct talking.
- */
- rc = seq_client_init(ss->ss_client_seq, NULL,
- LUSTRE_SEQ_METADATA, prefix,
- ss->ss_control_seq);
- OBD_FREE(prefix, MAX_OBD_NAME + 5);
+ rc = lustre_register_lwp_item(lwp_name, &ss->ss_client_seq->lcs_exp,
+ NULL, NULL);
+ if (rc != 0)
+ GOTO(out_free, rc);
+
+ rc = lustre_register_lwp_item(lwp_name,
+ &ss->ss_server_fld->lsf_control_exp,
+ mdt_register_lwp_callback, mdt);
+ if (rc != 0) {
+ lustre_deregister_lwp_item(&ss->ss_client_seq->lcs_exp);
+ ss->ss_client_seq->lcs_exp = NULL;
+ GOTO(out_free, rc);
+ }
+out_free:
+ if (lwp_name != NULL)
+ OBD_FREE(lwp_name, MAX_OBD_NAME);
+
+ return rc;
+}
+
+/*
+ * Init client sequence manager which is used by local MDS to talk to sequence
+ * controller on remote node.
+ */
+static int mdt_seq_init_cli(const struct lu_env *env, struct mdt_device *mdt)
+{
+ struct seq_server_site *ss = mdt_seq_site(mdt);
+ int rc;
+ char *prefix;
+ ENTRY;
+
+ /* check if this is adding the first MDC and controller is not yet
+ * initialized. */
+ OBD_ALLOC_PTR(ss->ss_client_seq);
+ if (ss->ss_client_seq == NULL)
+ RETURN(-ENOMEM);
+
+ OBD_ALLOC(prefix, MAX_OBD_NAME + 5);
+ if (prefix == NULL) {
+ OBD_FREE_PTR(ss->ss_client_seq);
+ ss->ss_client_seq = NULL;
+ RETURN(-ENOMEM);
+ }
+
+ /* Note: seq_client_fini will be called in seq_site_fini */
+ snprintf(prefix, MAX_OBD_NAME + 5, "ctl-%s", mdt_obd_name(mdt));
+ rc = seq_client_init(ss->ss_client_seq, NULL, LUSTRE_SEQ_METADATA,
+ prefix, ss->ss_node_id == 0 ? ss->ss_control_seq :
+ NULL);
+ OBD_FREE(prefix, MAX_OBD_NAME + 5);
+ if (rc != 0) {
+ OBD_FREE_PTR(ss->ss_client_seq);
+ ss->ss_client_seq = NULL;
+ RETURN(rc);
+ }
+
+ rc = seq_server_set_cli(env, ss->ss_server_seq, ss->ss_client_seq);
+ RETURN(rc);
+}
+
+static int mdt_seq_init(const struct lu_env *env, struct mdt_device *mdt)
+{
+ struct seq_server_site *ss;
+ int rc;
+ ENTRY;
+
+ ss = mdt_seq_site(mdt);
+ /* init sequence controller server(MDT0) */
+ if (ss->ss_node_id == 0) {
+ OBD_ALLOC_PTR(ss->ss_control_seq);
+ if (ss->ss_control_seq == NULL)
+ RETURN(-ENOMEM);
+
+ rc = seq_server_init(env, ss->ss_control_seq, mdt->mdt_bottom,
+ mdt_obd_name(mdt), LUSTRE_SEQ_CONTROLLER,
+ ss);
if (rc)
GOTO(out_seq_fini, rc);
}
- /* Init seq-server on local MDT */
- LASSERT(ss->ss_server_seq == NULL);
-
+ /* Init normal sequence server */
OBD_ALLOC_PTR(ss->ss_server_seq);
if (ss->ss_server_seq == NULL)
GOTO(out_seq_fini, rc = -ENOMEM);
- rc = seq_server_init(ss->ss_server_seq,
- m->mdt_bottom, uuid,
- LUSTRE_SEQ_SERVER,
- ss,
- env);
+ rc = seq_server_init(env, ss->ss_server_seq, mdt->mdt_bottom,
+ mdt_obd_name(mdt), LUSTRE_SEQ_SERVER, ss);
if (rc)
- GOTO(out_seq_fini, rc = -ENOMEM);
+ GOTO(out_seq_fini, rc);
- /* Assign seq-controller client to local seq-server. */
- if (ss->ss_node_id == 0) {
- LASSERT(ss->ss_client_seq != NULL);
+ /* init seq client for seq server to talk to seq controller(MDT0) */
+ rc = mdt_seq_init_cli(env, mdt);
+ if (rc != 0)
+ GOTO(out_seq_fini, rc);
- rc = seq_server_set_cli(ss->ss_server_seq,
- ss->ss_client_seq,
- env);
- }
+ if (ss->ss_node_id != 0)
+ /* register controler export through lwp */
+ rc = mdt_register_seq_exp(mdt);
EXIT;
out_seq_fini:
if (rc)
- mdt_seq_fini(env, m);
+ mdt_seq_fini(env, mdt);
return rc;
}
RETURN(rc = -ENOMEM);
rc = fld_server_init(env, ss->ss_server_fld, m->mdt_bottom, uuid,
- ss->ss_node_id, LU_SEQ_RANGE_MDT);
+ LU_SEQ_RANGE_MDT);
if (rc) {
OBD_FREE_PTR(ss->ss_server_fld);
ss->ss_server_fld = NULL;
static void mdt_stack_pre_fini(const struct lu_env *env,
struct mdt_device *m, struct lu_device *top)
{
- struct obd_device *obd;
struct lustre_cfg_bufs *bufs;
struct lustre_cfg *lcfg;
struct mdt_thread_info *info;
LASSERT(m->mdt_child_exp);
LASSERT(m->mdt_child_exp->exp_obd);
- obd = m->mdt_child_exp->exp_obd;
/* process cleanup, pass mdt obd name to get obd umount flags */
/* XXX: this is needed because all layers are referenced by
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));
+ CERROR("%s: cannot alloc lcfg\n", mdt_obd_name(m));
return;
}
top->ld_ops->ldo_process_config(env, top, lcfg);
site->ls_top_dev = &mdt->mdt_lu_dev;
mdt->mdt_child = lu2md_dev(mdt->mdt_child_exp->exp_obd->obd_lu_dev);
-
/* now connect to bottom OSD */
snprintf(name, MAX_OBD_NAME, "%s-osd", dev);
rc = mdt_connect_to_next(env, mdt, name, &mdt->mdt_bottom_exp);
mdt->mdt_bottom =
lu2dt_dev(mdt->mdt_bottom_exp->exp_obd->obd_lu_dev);
-
rc = lu_env_refill((struct lu_env *)env);
if (rc != 0)
CERROR("Failure to refill session: '%d'\n", rc);
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),
TGT_MDT_HDL(HABEO_CORPUS| HABEO_REFERO, MDS_HSM_ACTION, mdt_hsm_action),
TGT_MDT_HDL(HABEO_CORPUS| HABEO_REFERO, MDS_HSM_REQUEST,
mdt_hsm_request),
-TGT_MDT_HDL(HABEO_CORPUS|HABEO_REFERO | MUTABOR, MDS_SWAP_LAYOUTS,
- mdt_swap_layouts)
+TGT_MDT_HDL(HABEO_CLAVIS | HABEO_CORPUS | HABEO_REFERO | MUTABOR,
+ MDS_SWAP_LAYOUTS,
+ mdt_swap_layouts),
};
static struct tgt_handler mdt_sec_ctx_ops[] = {
.tos_hs = mdt_sec_ctx_ops
},
{
- .tos_opc_start = UPDATE_OBJ,
- .tos_opc_end = UPDATE_LAST_OPC,
+ .tos_opc_start = OUT_UPDATE_FIRST_OPC,
+ .tos_opc_end = OUT_UPDATE_LAST_OPC,
.tos_hs = tgt_out_handlers
},
{
.tos_opc_end = LLOG_LAST_OPC,
.tos_hs = tgt_llog_handlers
},
+ {
+ .tos_opc_start = LFSCK_FIRST_OPC,
+ .tos_opc_end = LFSCK_LAST_OPC,
+ .tos_hs = tgt_lfsck_handlers
+ },
{
.tos_hs = NULL
static void mdt_fini(const struct lu_env *env, struct mdt_device *m)
{
- struct md_device *next = m->mdt_child;
- struct lu_device *d = &m->mdt_lu_dev;
- struct obd_device *obd = mdt2obd_dev(m);
- ENTRY;
-
- target_recovery_fini(obd);
+ struct md_device *next = m->mdt_child;
+ struct lu_device *d = &m->mdt_lu_dev;
+ struct obd_device *obd = mdt2obd_dev(m);
+ struct lfsck_stop stop;
+ ENTRY;
- ping_evictor_stop();
+ stop.ls_status = LS_PAUSED;
+ stop.ls_flags = 0;
+ next->md_ops->mdo_iocontrol(env, next, OBD_IOC_STOP_LFSCK, 0, &stop);
+ 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_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;
- }
-
- next->md_ops->mdo_iocontrol(env, next, OBD_IOC_PAUSE_LFSCK, 0, NULL);
+ cfs_free_nidlist(&m->mdt_squash.rsi_nosquash_nids);
mdt_seq_fini(env, m);
mdt_fld_fini(env, m);
*/
mdt_stack_fini(env, m, md2lu_dev(m->mdt_child));
- LASSERT(cfs_atomic_read(&d->ld_ref) == 0);
+ LASSERT(atomic_read(&d->ld_ref) == 0);
- server_put_mount(mdt_obd_name(m));
+ server_put_mount(mdt_obd_name(m), true);
EXIT;
}
-int mdt_postrecov(const struct lu_env *, struct mdt_device *);
+static int mdt_postrecov(const struct lu_env *, struct mdt_device *);
static int mdt_init0(const struct lu_env *env, struct mdt_device *m,
struct lu_device_type *ldt, struct lustre_cfg *cfg)
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;
if (rc)
GOTO(err_fini_stack, rc);
- rc = mdt_seq_init(env, mdt_obd_name(m), m);
+ rc = mdt_seq_init(env, m);
if (rc)
GOTO(err_fini_fld, rc);
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);
}
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,
- cfg, obd);
+ rc = class_process_proc_seq_param(PARAM_MDT, obd->obd_vars,
+ cfg, obd);
if (rc > 0 || rc == -ENOSYS) {
/* is it an HSM var ? */
- rc = class_process_proc_param(PARAM_HSM,
- hsm_cdt_get_proc_vars(),
- cfg, obd);
+ rc = class_process_proc_seq_param(PARAM_HSM,
+ hsm_cdt_get_proc_vars(),
+ cfg, obd);
if (rc > 0 || rc == -ENOSYS)
/* we don't understand; pass it on */
rc = next->ld_ops->ldo_process_config(env, next,
}
static struct lu_object *mdt_object_alloc(const struct lu_env *env,
- const struct lu_object_header *hdr,
- struct lu_device *d)
+ const struct lu_object_header *hdr,
+ struct lu_device *d)
{
- struct mdt_object *mo;
+ struct mdt_object *mo;
- ENTRY;
+ ENTRY;
- OBD_SLAB_ALLOC_PTR_GFP(mo, mdt_object_kmem, __GFP_IO);
- if (mo != NULL) {
- struct lu_object *o;
- struct lu_object_header *h;
+ OBD_SLAB_ALLOC_PTR_GFP(mo, mdt_object_kmem, GFP_NOFS);
+ if (mo != NULL) {
+ struct lu_object *o;
+ struct lu_object_header *h;
o = &mo->mot_obj;
- h = &mo->mot_header;
- lu_object_header_init(h);
- lu_object_init(o, h, d);
- lu_object_add_top(h, o);
- o->lo_ops = &mdt_obj_ops;
+ h = &mo->mot_header;
+ lu_object_header_init(h);
+ lu_object_init(o, h, d);
+ lu_object_add_top(h, o);
+ o->lo_ops = &mdt_obj_ops;
mutex_init(&mo->mot_ioepoch_mutex);
mutex_init(&mo->mot_lov_mutex);
init_rwsem(&mo->mot_open_sem);
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;
if (rc)
RETURN(rc);
- lsp.lsp_start = NULL;
- lsp.lsp_namespace = mdt->mdt_namespace;
- 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;
- }
+ rc = lfsck_register_namespace(env, mdt->mdt_bottom, mdt->mdt_namespace);
+ /* The LFSCK instance is registered just now, so it must be there when
+ * register the namespace to such instance. */
+ LASSERTF(rc == 0, "register namespace failed: rc = %d\n", rc);
if (mdt->mdt_seq_site.ss_node_id == 0) {
rc = mdt->mdt_child->md_ops->mdo_root_get(env, mdt->mdt_child,
data->ocd_connect_flags &= MDT_CONNECT_SUPPORTED;
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 (!test_bit(MDT_FL_SYNCED, &mdt->mdt_state) && data != NULL &&
!(data->ocd_connect_flags & OBD_CONNECT_LIGHTWEIGHT)) {
- rc = obd_health_check(env, mdt->mdt_child_exp->exp_obd);
+ 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);
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) {
LASSERT(exp);
class_export_get(exp);
- rc = server_disconnect_export(exp);
- if (rc != 0)
- CDEBUG(D_IOCTL, "server disconnect error: %d\n", rc);
+ rc = server_disconnect_export(exp);
+ if (rc != 0)
+ CDEBUG(D_IOCTL, "server disconnect error: rc = %d\n", rc);
- rc = mdt_export_cleanup(exp);
- class_export_put(exp);
- RETURN(rc);
+ rc = mdt_export_cleanup(exp);
+ class_export_put(exp);
+ RETURN(rc);
}
/* FIXME: Can we avoid using these two interfaces? */
int pli_fidcount; /**< number of \a pli_fids */
};
-static int mdt_links_read(struct mdt_thread_info *info,
- struct mdt_object *mdt_obj, struct linkea_data *ldata)
+int mdt_links_read(struct mdt_thread_info *info, struct mdt_object *mdt_obj,
+ struct linkea_data *ldata)
{
int rc;
--ptr;
pli->pli_fidcount = 0;
pli->pli_fids[0] = *(struct lu_fid *)mdt_object_fid(pli->pli_mdt_obj);
-
+ *tmpfid = pli->pli_fids[0];
/* 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]);
+ struct lu_buf lmv_buf;
+
+ 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 */
pli->pli_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) {
+ pli->pli_fids[pli->pli_fidcount] = *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 (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);
}
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));
}
}
lsp.lsp_start = (struct lfsck_start *)(data->ioc_inlbuf1);
- lsp.lsp_namespace = mdt->mdt_namespace;
+ lsp.lsp_index_valid = 0;
rc = next->md_ops->mdo_iocontrol(&env, next, cmd, 0, &lsp);
break;
}
case OBD_IOC_STOP_LFSCK: {
- struct md_device *next = mdt->mdt_child;
+ struct md_device *next = mdt->mdt_child;
+ struct obd_ioctl_data *data = karg;
+ struct lfsck_stop stop;
+
+ stop.ls_status = LS_STOPPED;
+ /* Old lfsck utils may pass NULL @stop. */
+ if (data->ioc_inlbuf1 == NULL)
+ stop.ls_flags = 0;
+ else
+ stop.ls_flags =
+ ((struct lfsck_stop *)(data->ioc_inlbuf1))->ls_flags;
- rc = next->md_ops->mdo_iocontrol(&env, next, cmd, 0, NULL);
+ rc = next->md_ops->mdo_iocontrol(&env, next, cmd, 0, &stop);
break;
}
case OBD_IOC_GET_OBJ_VERSION: {
rc = mdt_ioc_version_get(mti, karg);
break;
}
- case OBD_IOC_CATLOGLIST:
- rc = llog_catalog_list(&env, mdt->mdt_bottom, 0, karg);
+ case OBD_IOC_CATLOGLIST: {
+ struct mdt_thread_info *mti;
+
+ mti = lu_context_key_get(&env.le_ctx, &mdt_thread_key);
+ lu_local_obj_fid(&mti->mti_tmp_fid1, LLOG_CATALOGS_OID);
+ rc = llog_catalog_list(&env, mdt->mdt_bottom, 0, karg,
+ &mti->mti_tmp_fid1);
break;
+ }
default:
rc = -EOPNOTSUPP;
CERROR("%s: Not supported cmd = %d, rc = %d\n",
RETURN(rc);
}
-int mdt_postrecov(const struct lu_env *env, struct mdt_device *mdt)
+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);
+ struct lfsck_start_param lsp;
+ int rc;
+ ENTRY;
- rc = ld->ld_ops->ldo_recovery_complete(env, ld);
- RETURN(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 && 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);
}
-int mdt_obd_postrecov(struct obd_device *obd)
+static int mdt_obd_postrecov(struct obd_device *obd)
{
struct lu_env env;
int rc;
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);
}
/**
static int __init mdt_mod_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,
- lvars.module_vars, LUSTRE_MDT_NAME,
- &mdt_device_type);
+ rc = class_register_type(&mdt_obd_device_ops, NULL, true, NULL,
+#ifndef HAVE_ONLY_PROCFS_SEQ
+ NULL,
+#endif
+ LUSTRE_MDT_NAME, &mdt_device_type);
if (rc)
GOTO(mds_fini, rc);
lu_fini:
git://git.whamcloud.com / fs / lustre-release.git / blobdiff