/* lu2dt_dev() */
#include <dt_object.h>
#include <lustre_mds.h>
-#include <lustre_mdt.h>
#include <lustre_log.h>
#include "mdt_internal.h"
#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[] = {
[LCK_MINMODE] = MDL_MINMODE,
[MDL_GROUP] = LCK_GROUP
};
-
static struct mdt_device *mdt_dev(struct lu_device *d);
static int mdt_unpack_req_pack_rep(struct mdt_thread_info *info, __u32 flags);
-static int mdt_fid2path(const struct lu_env *env, struct mdt_device *mdt,
- struct getinfo_fid2path *fp);
static const struct lu_object_operations mdt_obj_ops;
/* Slab for MDT object allocation */
-static cfs_mem_cache_t *mdt_object_kmem;
+static struct kmem_cache *mdt_object_kmem;
+
+/* For HSM restore handles */
+struct kmem_cache *mdt_hsm_cdt_kmem;
+
+/* For HSM request handles */
+struct kmem_cache *mdt_hsm_car_kmem;
static struct lu_kmem_descr mdt_caches[] = {
{
.ckd_size = sizeof(struct mdt_object)
},
{
+ .ckd_cache = &mdt_hsm_cdt_kmem,
+ .ckd_name = "mdt_cdt_restore_handle",
+ .ckd_size = sizeof(struct cdt_restore_handle)
+ },
+ {
+ .ckd_cache = &mdt_hsm_car_kmem,
+ .ckd_name = "mdt_cdt_agent_req",
+ .ckd_size = sizeof(struct cdt_agent_req)
+ },
+ {
.ckd_cache = NULL
}
};
{
lh->mlh_pdo_hash = 0;
lh->mlh_reg_mode = lm;
+ lh->mlh_rreg_mode = lm;
lh->mlh_type = MDT_REG_LOCK;
}
const char *name, int namelen)
{
lh->mlh_reg_mode = lm;
+ lh->mlh_rreg_mode = lm;
lh->mlh_type = MDT_PDO_LOCK;
if (name != NULL && (name[0] != '\0')) {
LASSERT(namelen > 0);
lh->mlh_pdo_hash = full_name_hash(name, 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))
+ lh->mlh_pdo_hash = 1;
} else {
LASSERT(namelen == 0);
lh->mlh_pdo_hash = 0ull;
int mdt_getstatus(struct mdt_thread_info *info)
{
- struct mdt_device *mdt = info->mti_mdt;
- struct md_device *next = mdt->mdt_child;
- struct mdt_body *repbody;
- int rc;
-
- ENTRY;
+ struct mdt_device *mdt = info->mti_mdt;
+ struct mdt_body *repbody;
+ int rc;
+ ENTRY;
rc = mdt_check_ucred(info);
if (rc)
if (OBD_FAIL_CHECK(OBD_FAIL_MDS_GETSTATUS_PACK))
RETURN(err_serious(-ENOMEM));
- repbody = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
- rc = next->md_ops->mdo_root_get(info->mti_env, next, &repbody->fid1);
- if (rc != 0)
- RETURN(rc);
-
+ repbody = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
+ repbody->fid1 = mdt->mdt_md_root_fid;
repbody->valid |= OBD_MD_FLID;
if (mdt->mdt_opts.mo_mds_capa &&
- info->mti_exp->exp_connect_flags & OBD_CONNECT_MDS_CAPA) {
+ exp_connect_flags(info->mti_exp) & OBD_CONNECT_MDS_CAPA) {
struct mdt_object *root;
struct lustre_capa *capa;
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;
- }
+ } else if ((ma->ma_valid & MA_LOV) && ma->ma_lmm &&
+ (ma->ma_lmm->lmm_pattern & LOV_PATTERN_F_RELEASED)) {
+ /* A released file stores its size on MDS. */
+ b->blocks = 0;
+ b->valid |= OBD_MD_FLSIZE | OBD_MD_FLBLOCKS;
+ }
if (fid) {
b->fid1 = *fid;
b->valid |= OBD_MD_FLID;
-
- /* FIXME: these should be fixed when new igif ready.*/
- b->ino = fid_oid(fid); /* 1.6 compatibility */
- b->generation = fid_ver(fid); /* 1.6 compatibility */
- b->valid |= OBD_MD_FLGENER; /* 1.6 compatibility */
-
CDEBUG(D_INODE, DFID": nlink=%d, mode=%o, size="LPU64"\n",
PFID(fid), b->nlink, b->mode, b->size);
}
struct lu_attr *la = &ma->ma_attr;
ENTRY;
- if (exp->exp_connect_flags & OBD_CONNECT_LAYOUTLOCK)
- /* the client can deal with 16-bit lmm_stripe_count */
- RETURN_EXIT;
+ if (exp_connect_layout(exp))
+ /* the client can deal with 16-bit lmm_stripe_count */
+ RETURN_EXIT;
body = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
ma->ma_valid = 0;
- rc = mdt_object_exists(o);
- if (rc < 0) {
- /* This object is located on remote node.*/
- repbody->fid1 = *mdt_object_fid(o);
- repbody->valid = OBD_MD_FLID | OBD_MD_MDS;
- GOTO(out, rc = 0);
- }
+ if (mdt_object_remote(o)) {
+ /* This object is located on remote node.*/
+ /* Return -EIO for old client */
+ if (!mdt_is_dne_client(req->rq_export))
+ GOTO(out, rc = -EIO);
+
+ repbody->fid1 = *mdt_object_fid(o);
+ repbody->valid = OBD_MD_FLID | OBD_MD_MDS;
+ GOTO(out, rc = 0);
+ }
buffer->lb_len = reqbody->eadatasize;
if (buffer->lb_len > 0)
ma->ma_som = &info->mti_u.som.data;
rc = mdt_attr_get_complex(info, o, ma);
- if (unlikely(rc)) {
- CERROR("getattr error for "DFID": %d\n",
- PFID(mdt_object_fid(o)), rc);
- RETURN(rc);
- }
+ if (unlikely(rc)) {
+ CERROR("%s: getattr error for "DFID": rc = %d\n",
+ mdt_obd_name(info->mti_mdt),
+ PFID(mdt_object_fid(o)), rc);
+ RETURN(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;
+ }
is_root = lu_fid_eq(mdt_object_fid(o), &info->mti_mdt->mdt_md_root_fid);
rc = mdt_attr_get_lov(info, root, ma);
mdt_object_put(info->mti_env, root);
if (unlikely(rc)) {
- CERROR("getattr error for "DFID": %d\n",
- PFID(mdt_object_fid(o)), rc);
+ CERROR("%s: getattr error for "DFID": rc = %d\n",
+ mdt_obd_name(info->mti_mdt),
+ PFID(mdt_object_fid(o)), rc);
RETURN(rc);
}
}
repbody->eadatasize = ma->ma_lmv_size;
repbody->valid |= (OBD_MD_FLDIREA|OBD_MD_MEA);
}
- } else if (S_ISLNK(la->la_mode) &&
- reqbody->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;
- rc = mo_readlink(env, next, buffer);
- if (unlikely(rc <= 0)) {
- CERROR("readlink failed: %d\n", rc);
- rc = -EFAULT;
- } else {
- int print_limit = min_t(int, CFS_PAGE_SIZE - 128, rc);
+ } else if (S_ISLNK(la->la_mode) &&
+ reqbody->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;
+ rc = mo_readlink(env, next, buffer);
+ if (unlikely(rc <= 0)) {
+ CERROR("%s: readlink failed for "DFID": rc = %d\n",
+ mdt_obd_name(info->mti_mdt),
+ PFID(mdt_object_fid(o)), rc);
+ rc = -EFAULT;
+ } else {
+ int print_limit = min_t(int, PAGE_CACHE_SIZE - 128, rc);
if (OBD_FAIL_CHECK(OBD_FAIL_MDS_READLINK_EPROTO))
rc -= 2;
* because client expects that */
repbody->eadatasize = rc + 1;
if (repbody->eadatasize != reqbody->eadatasize)
- CERROR("Read shorter symlink %d, expected %d\n",
- rc, reqbody->eadatasize - 1);
+ 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);
/* NULL terminate */
((char *)ma->ma_lmm)[rc] = 0;
}
}
#ifdef CONFIG_FS_POSIX_ACL
- else if ((req->rq_export->exp_connect_flags & OBD_CONNECT_ACL) &&
- (reqbody->valid & OBD_MD_FLACL)) {
+ 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);
rc = 0;
} else if (rc == -EOPNOTSUPP) {
rc = 0;
- } else {
- CERROR("got acl size: %d\n", rc);
- }
+ } 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;
}
#endif
- if (reqbody->valid & OBD_MD_FLMDSCAPA &&
- info->mti_mdt->mdt_opts.mo_mds_capa &&
- info->mti_exp->exp_connect_flags & OBD_CONNECT_MDS_CAPA) {
+ if (reqbody->valid & OBD_MD_FLMDSCAPA &&
+ info->mti_mdt->mdt_opts.mo_mds_capa &&
+ exp_connect_flags(info->mti_exp) & OBD_CONNECT_MDS_CAPA) {
struct lustre_capa *capa;
capa = req_capsule_server_get(pill, &RMF_CAPA1);
* return directly, client will find body->valid OBD_MD_FLOSSCAPA
* flag not set.
*/
- if (!obj || !info->mti_mdt->mdt_opts.mo_oss_capa ||
- !(info->mti_exp->exp_connect_flags & OBD_CONNECT_OSS_CAPA))
- RETURN(0);
+ if (!obj || !info->mti_mdt->mdt_opts.mo_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);
}
LASSERT(obj != NULL);
- LASSERT(lu_object_assert_exists(&obj->mot_obj.mo_lu));
+ LASSERT(lu_object_assert_exists(&obj->mot_obj));
- mode = lu_object_attr(&obj->mot_obj.mo_lu);
+ mode = lu_object_attr(&obj->mot_obj);
/* old clients may not report needed easize, use max value then */
req_capsule_set_size(pill, &RMF_MDT_MD, RCL_SERVER,
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) > 0);
- 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;
+ /*
+ * 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;
- RETURN(rc);
+ RETURN(rc);
+}
+
+int mdt_swap_layouts(struct mdt_thread_info *info)
+{
+ struct ptlrpc_request *req = mdt_info_req(info);
+ struct obd_export *exp = req->rq_export;
+ struct mdt_object *o1, *o2, *o;
+ struct mdt_lock_handle *lh1, *lh2;
+ struct mdc_swap_layouts *msl;
+ int rc;
+ ENTRY;
+
+ /* client does not support layout lock, so layout swaping
+ * is disabled.
+ * FIXME: there is a problem for old clients which don't support
+ * layout lock yet. If those clients have already opened the file
+ * they won't be notified at all so that old layout may still be
+ * used to do IO. This can be fixed after file release is landed by
+ * doing exclusive open and taking full EX ibits lock. - Jinshan */
+ if (!exp_connect_layout(exp))
+ RETURN(-EOPNOTSUPP);
+
+ 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));
+
+ o1 = info->mti_object;
+ o = o2 = mdt_object_find(info->mti_env, info->mti_mdt,
+ &info->mti_body->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);
+ if (unlikely(rc == 0)) /* same file, you kidding me? no-op. */
+ GOTO(put, rc);
+
+ if (rc < 0)
+ swap(o1, o2);
+
+ /* permission check. Make sure the calling process having permission
+ * to write both files. */
+ rc = mo_permission(info->mti_env, NULL, mdt_object_child(o1), NULL,
+ MAY_WRITE);
+ if (rc < 0)
+ GOTO(put, rc);
+
+ rc = mo_permission(info->mti_env, NULL, mdt_object_child(o2), NULL,
+ MAY_WRITE);
+ if (rc < 0)
+ GOTO(put, rc);
+
+ msl = req_capsule_client_get(info->mti_pill, &RMF_SWAP_LAYOUTS);
+ if (msl == NULL)
+ GOTO(put, rc = -EPROTO);
+
+ lh1 = &info->mti_lh[MDT_LH_NEW];
+ mdt_lock_reg_init(lh1, LCK_EX);
+ lh2 = &info->mti_lh[MDT_LH_OLD];
+ mdt_lock_reg_init(lh2, LCK_EX);
+
+ rc = mdt_object_lock(info, o1, lh1, MDS_INODELOCK_LAYOUT,
+ MDT_LOCAL_LOCK);
+ if (rc < 0)
+ GOTO(put, rc);
+
+ rc = mdt_object_lock(info, o2, lh2, MDS_INODELOCK_LAYOUT,
+ MDT_LOCAL_LOCK);
+ 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);
+unlock2:
+ mdt_object_unlock(info, o2, lh2, rc);
+unlock1:
+ mdt_object_unlock(info, o1, lh1, rc);
+put:
+ mdt_object_put(info->mti_env, o);
+out:
+ RETURN(rc);
}
static int mdt_raw_lookup(struct mdt_thread_info *info,
}
mdt_set_disposition(info, ldlm_rep, DISP_LOOKUP_EXECD);
- rc = mdt_object_exists(parent);
- if (unlikely(rc == 0)) {
+ if (unlikely(!mdt_object_exists(parent))) {
LU_OBJECT_DEBUG(D_INODE, info->mti_env,
- &parent->mot_obj.mo_lu,
+ &parent->mot_obj,
"Parent doesn't exist!\n");
RETURN(-ESTALE);
} else if (!info->mti_cross_ref) {
- LASSERTF(rc > 0, "Parent "DFID" is on remote server\n",
+ LASSERTF(!mdt_object_remote(parent),
+ "Parent "DFID" is on remote server\n",
PFID(mdt_object_fid(parent)));
}
if (lname) {
* needed here but update is.
*/
child_bits &= ~MDS_INODELOCK_LOOKUP;
- child_bits |= MDS_INODELOCK_UPDATE;
+ child_bits |= MDS_INODELOCK_PERM | MDS_INODELOCK_UPDATE;
- rc = mdt_object_lock(info, child, lhc, child_bits,
+ rc = mdt_object_lock(info, child, lhc, child_bits,
MDT_LOCAL_LOCK);
}
if (rc == 0) {
if (lname) {
/* step 1: lock parent only if parent is a directory */
- if (S_ISDIR(lu_object_attr(&parent->mot_obj.mo_lu))) {
+ 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);
rc = mdt_object_lock(info, parent, lhp,
*/
child = mdt_object_find(info->mti_env, info->mti_mdt, child_fid);
- 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: %lu/%lu/%lu, Fid: "DFID".\n",
- (unsigned long)res_id->name[0],
- (unsigned long)res_id->name[1],
- (unsigned long)res_id->name[2],
- 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 {
+ 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:
mdt_lock_handle_init(lhc);
mdt_lock_reg_init(lhc, LCK_PR);
- if (mdt_object_exists(child) == 0) {
- LU_OBJECT_DEBUG(D_INODE, info->mti_env,
- &child->mot_obj.mo_lu,
- "Object doesn't exist!\n");
- GOTO(out_child, rc = -ENOENT);
- }
+ 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)) {
+ if (!(child_bits & MDS_INODELOCK_UPDATE) &&
+ mdt_object_exists(child) && !mdt_object_remote(child)) {
struct md_attr *ma = &info->mti_attr;
ma->ma_valid = 0;
LASSERT(!(child_bits & MDS_INODELOCK_LAYOUT));
if (!OBD_FAIL_CHECK(OBD_FAIL_MDS_NO_LL_GETATTR) &&
exp_connect_layout(info->mti_exp) &&
- S_ISREG(lu_object_attr(&child->mot_obj.mo_lu)) &&
+ S_ISREG(lu_object_attr(&child->mot_obj)) &&
ldlm_rep != NULL) {
/* try to grant layout lock for regular file. */
try_layout = true;
rc = mdt_getattr_internal(info, child, ma_need);
if (unlikely(rc != 0)) {
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),
- "Lock res_id: %lu/%lu/%lu, Fid: "DFID".\n",
- (unsigned long)res_id->name[0],
- (unsigned long)res_id->name[1],
- (unsigned long)res_id->name[2],
- PFID(mdt_object_fid(child)));
- mdt_pack_size2body(info, child);
+ } 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),
+ "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);
spin_lock(&req->rq_export->exp_lock);
if (*(__u32 *)val)
- req->rq_export->exp_connect_flags |= OBD_CONNECT_RDONLY;
+ *exp_connect_flags_ptr(req->rq_export) |=
+ OBD_CONNECT_RDONLY;
else
- req->rq_export->exp_connect_flags &=~OBD_CONNECT_RDONLY;
+ *exp_connect_flags_ptr(req->rq_export) &=
+ ~OBD_CONNECT_RDONLY;
spin_unlock(&req->rq_export->exp_lock);
} else if (KEY_IS(KEY_CHANGELOG_CLEAR)) {
RETURN(0);
}
+int mdt_connect_check_sptlrpc(struct mdt_device *mdt, struct obd_export *exp,
+ struct ptlrpc_request *req);
+
/**
* Top-level handler for MDT connection requests.
*/
struct obd_export *exp;
struct ptlrpc_request *req = mdt_info_req(info);
+ ENTRY;
+
rc = target_handle_connect(req);
if (rc != 0)
- return err_serious(rc);
+ RETURN(err_serious(rc));
LASSERT(req->rq_export != NULL);
- info->mti_mdt = mdt_dev(req->rq_export->exp_obd->obd_lu_dev);
+ exp = req->rq_export;
+ info->mti_exp = exp;
+ info->mti_mdt = mdt_dev(exp->exp_obd->obd_lu_dev);
rc = mdt_init_sec_level(info);
- if (rc != 0) {
- obd_disconnect(class_export_get(req->rq_export));
- return rc;
- }
+ if (rc != 0)
+ GOTO(err, rc);
+
+ rc = mdt_connect_check_sptlrpc(info->mti_mdt, exp, req);
+ if (rc)
+ GOTO(err, rc);
/* To avoid exposing partially initialized connection flags, changes up
* to this point have been staged in reply->ocd_connect_flags. Now that
* connection handling has completed successfully, atomically update
* the connect flags in the shared export data structure. LU-1623 */
reply = req_capsule_server_get(info->mti_pill, &RMF_CONNECT_DATA);
- exp = req->rq_export;
spin_lock(&exp->exp_lock);
- exp->exp_connect_flags = reply->ocd_connect_flags;
+ *exp_connect_flags_ptr(exp) = reply->ocd_connect_flags;
spin_unlock(&exp->exp_lock);
rc = mdt_init_idmap(info);
if (rc != 0)
- obd_disconnect(class_export_get(req->rq_export));
-
+ GOTO(err, rc);
+ RETURN(0);
+err:
+ obd_disconnect(class_export_get(req->rq_export));
return rc;
}
int rc;
ENTRY;
- desc = ptlrpc_prep_bulk_exp(req, rdpg->rp_npages, BULK_PUT_SOURCE,
- MDS_BULK_PORTAL);
- if (desc == NULL)
- RETURN(-ENOMEM);
+ desc = ptlrpc_prep_bulk_exp(req, rdpg->rp_npages, 1, BULK_PUT_SOURCE,
+ MDS_BULK_PORTAL);
+ if (desc == NULL)
+ RETURN(-ENOMEM);
- if (!(exp->exp_connect_flags & OBD_CONNECT_BRW_SIZE))
+ if (!(exp_connect_flags(exp) & OBD_CONNECT_BRW_SIZE))
/* old client requires reply size in it's PAGE_SIZE,
- * which is rdpg->rp_count */
+ * which is rdpg->rp_count */
nob = rdpg->rp_count;
for (i = 0, tmpcount = nob; i < rdpg->rp_npages && tmpcount > 0;
i++, tmpcount -= tmpsize) {
- tmpsize = min_t(int, tmpcount, CFS_PAGE_SIZE);
+ tmpsize = min_t(int, tmpcount, PAGE_CACHE_SIZE);
ptlrpc_prep_bulk_page_pin(desc, rdpg->rp_pages[i], 0, tmpsize);
}
}
rdpg->rp_attrs = reqbody->mode;
- if (info->mti_exp->exp_connect_flags & OBD_CONNECT_64BITHASH)
- rdpg->rp_attrs |= LUDA_64BITHASH;
- rdpg->rp_count = min_t(unsigned int, reqbody->nlink,
- PTLRPC_MAX_BRW_SIZE);
- rdpg->rp_npages = (rdpg->rp_count + CFS_PAGE_SIZE - 1) >>
- CFS_PAGE_SHIFT;
+ if (exp_connect_flags(info->mti_exp) & OBD_CONNECT_64BITHASH)
+ rdpg->rp_attrs |= LUDA_64BITHASH;
+ rdpg->rp_count = min_t(unsigned int, reqbody->nlink,
+ exp_max_brw_size(info->mti_exp));
+ rdpg->rp_npages = (rdpg->rp_count + PAGE_CACHE_SIZE - 1) >>
+ PAGE_CACHE_SHIFT;
OBD_ALLOC(rdpg->rp_pages, rdpg->rp_npages * sizeof rdpg->rp_pages[0]);
if (rdpg->rp_pages == NULL)
RETURN(-ENOMEM);
for (i = 0; i < rdpg->rp_npages; ++i) {
- rdpg->rp_pages[i] = cfs_alloc_page(CFS_ALLOC_STD);
+ rdpg->rp_pages[i] = alloc_page(GFP_IOFS);
if (rdpg->rp_pages[i] == NULL)
GOTO(free_rdpg, rc = -ENOMEM);
}
for (i = 0; i < rdpg->rp_npages; i++)
if (rdpg->rp_pages[i] != NULL)
- cfs_free_page(rdpg->rp_pages[i]);
+ __free_page(rdpg->rp_pages[i]);
OBD_FREE(rdpg->rp_pages, rdpg->rp_npages * sizeof rdpg->rp_pages[0]);
if (OBD_FAIL_CHECK(OBD_FAIL_MDS_SENDPAGE))
}
static long mdt_reint_opcode(struct mdt_thread_info *info,
- const struct req_format **fmt)
-{
- struct mdt_rec_reint *rec;
- long opc;
-
- opc = err_serious(-EFAULT);
- rec = req_capsule_client_get(info->mti_pill, &RMF_REC_REINT);
- if (rec != NULL) {
- opc = rec->rr_opcode;
- DEBUG_REQ(D_INODE, mdt_info_req(info), "reint opt = %ld", opc);
- if (opc < REINT_MAX && fmt[opc] != NULL)
- req_capsule_extend(info->mti_pill, fmt[opc]);
- else {
- CERROR("Unsupported opc: %ld\n", opc);
- opc = err_serious(opc);
- }
- }
- return opc;
+ const struct req_format **fmt)
+{
+ struct mdt_rec_reint *rec;
+ long opc;
+
+ rec = req_capsule_client_get(info->mti_pill, &RMF_REC_REINT);
+ if (rec != NULL) {
+ opc = rec->rr_opcode;
+ DEBUG_REQ(D_INODE, mdt_info_req(info), "reint opt = %ld", opc);
+ if (opc < REINT_MAX && fmt[opc] != NULL)
+ req_capsule_extend(info->mti_pill, fmt[opc]);
+ else {
+ CERROR("%s: Unsupported opcode '%ld' from client '%s': "
+ "rc = %d\n", mdt_obd_name(info->mti_mdt), opc,
+ info->mti_mdt->mdt_ldlm_client->cli_name,
+ -EFAULT);
+ opc = err_serious(-EFAULT);
+ }
+ } else {
+ opc = err_serious(-EFAULT);
+ }
+ return opc;
}
int mdt_reint(struct mdt_thread_info *info)
{
- long opc;
- int rc;
-
- static const struct req_format *reint_fmts[REINT_MAX] = {
- [REINT_SETATTR] = &RQF_MDS_REINT_SETATTR,
- [REINT_CREATE] = &RQF_MDS_REINT_CREATE,
- [REINT_LINK] = &RQF_MDS_REINT_LINK,
- [REINT_UNLINK] = &RQF_MDS_REINT_UNLINK,
- [REINT_RENAME] = &RQF_MDS_REINT_RENAME,
- [REINT_OPEN] = &RQF_MDS_REINT_OPEN,
- [REINT_SETXATTR] = &RQF_MDS_REINT_SETXATTR
- };
+ long opc;
+ int rc;
+
+ static const struct req_format *reint_fmts[REINT_MAX] = {
+ [REINT_SETATTR] = &RQF_MDS_REINT_SETATTR,
+ [REINT_CREATE] = &RQF_MDS_REINT_CREATE,
+ [REINT_LINK] = &RQF_MDS_REINT_LINK,
+ [REINT_UNLINK] = &RQF_MDS_REINT_UNLINK,
+ [REINT_RENAME] = &RQF_MDS_REINT_RENAME,
+ [REINT_OPEN] = &RQF_MDS_REINT_OPEN,
+ [REINT_SETXATTR] = &RQF_MDS_REINT_SETXATTR,
+ [REINT_RMENTRY] = &RQF_MDS_REINT_UNLINK
+ };
ENTRY;
if (req_ii->ii_count <= 0)
GOTO(out, rc = -EFAULT);
rdpg->rp_count = min_t(unsigned int, req_ii->ii_count << LU_PAGE_SHIFT,
- PTLRPC_MAX_BRW_SIZE);
- rdpg->rp_npages = (rdpg->rp_count + CFS_PAGE_SIZE -1) >> CFS_PAGE_SHIFT;
+ exp_max_brw_size(info->mti_exp));
+ rdpg->rp_npages = (rdpg->rp_count + PAGE_CACHE_SIZE - 1) >>
+ PAGE_CACHE_SHIFT;
/* allocate pages to store the containers */
OBD_ALLOC(rdpg->rp_pages, rdpg->rp_npages * sizeof(rdpg->rp_pages[0]));
if (rdpg->rp_pages == NULL)
GOTO(out, rc = -ENOMEM);
for (i = 0; i < rdpg->rp_npages; i++) {
- rdpg->rp_pages[i] = cfs_alloc_page(CFS_ALLOC_STD);
+ rdpg->rp_pages[i] = alloc_page(GFP_IOFS);
if (rdpg->rp_pages[i] == NULL)
GOTO(out, rc = -ENOMEM);
}
if (rdpg->rp_pages) {
for (i = 0; i < rdpg->rp_npages; i++)
if (rdpg->rp_pages[i])
- cfs_free_page(rdpg->rp_pages[i]);
+ __free_page(rdpg->rp_pages[i]);
OBD_FREE(rdpg->rp_pages,
rdpg->rp_npages * sizeof(rdpg->rp_pages[0]));
}
static struct mdt_object *mdt_obj(struct lu_object *o)
{
- LASSERT(lu_device_is_mdt(o->lo_dev));
- return container_of0(o, struct mdt_object, mot_obj.mo_lu);
+ LASSERT(lu_device_is_mdt(o->lo_dev));
+ return container_of0(o, struct mdt_object, mot_obj);
}
struct mdt_object *mdt_object_new(const struct lu_env *env,
ENTRY;
CDEBUG(D_INFO, "Allocate object for "DFID"\n", PFID(f));
- o = lu_object_find(env, &d->mdt_md_dev.md_lu_dev, f, &conf);
+ o = lu_object_find(env, &d->mdt_lu_dev, f, &conf);
if (unlikely(IS_ERR(o)))
m = (struct mdt_object *)o;
else
}
struct mdt_object *mdt_object_find(const struct lu_env *env,
- struct mdt_device *d,
- const struct lu_fid *f)
+ struct mdt_device *d,
+ const struct lu_fid *f)
{
- struct lu_object *o;
- struct mdt_object *m;
- ENTRY;
+ struct lu_object *o;
+ struct mdt_object *m;
+ ENTRY;
- CDEBUG(D_INFO, "Find object for "DFID"\n", PFID(f));
- o = lu_object_find(env, &d->mdt_md_dev.md_lu_dev, f, NULL);
- if (unlikely(IS_ERR(o)))
- m = (struct mdt_object *)o;
- else
- m = mdt_obj(o);
- RETURN(m);
+ CDEBUG(D_INFO, "Find object for "DFID"\n", PFID(f));
+ o = lu_object_find(env, &d->mdt_lu_dev, f, NULL);
+ if (unlikely(IS_ERR(o)))
+ m = (struct mdt_object *)o;
+ else
+ m = mdt_obj(o);
+
+ RETURN(m);
}
/**
RETURN(rc);
}
+int mdt_md_blocking_ast(struct ldlm_lock *lock, struct ldlm_lock_desc *desc,
+ void *data, int flag)
+{
+ struct lustre_handle lockh;
+ int rc;
+
+ switch (flag) {
+ case LDLM_CB_BLOCKING:
+ ldlm_lock2handle(lock, &lockh);
+ rc = ldlm_cli_cancel(&lockh, 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");
+ break;
+ default:
+ LBUG();
+ }
+ RETURN(0);
+}
+
+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 ldlm_enqueue_info *einfo = &mti->mti_einfo;
+ ldlm_policy_data_t *policy = &mti->mti_policy;
+ int rc = 0;
+ ENTRY;
+
+ LASSERT(mdt_object_remote(o));
+
+ LASSERT((ibits & MDS_INODELOCK_UPDATE));
+
+ 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_cp = ldlm_completion_ast;
+
+ memset(policy, 0, sizeof(*policy));
+ policy->l_inodebits.bits = ibits;
+
+ rc = mo_object_lock(mti->mti_env, mdt_object_child(o), lh, einfo,
+ policy);
+ 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)
LASSERT(lh->mlh_reg_mode != LCK_MINMODE);
LASSERT(lh->mlh_type != MDT_NUL_LOCK);
- if (mdt_object_exists(o) < 0) {
+ if (mdt_object_remote(o)) {
if (locality == MDT_CROSS_LOCK) {
- /* cross-ref object fix */
- ibits &= ~MDS_INODELOCK_UPDATE;
+ ibits &= ~(MDS_INODELOCK_UPDATE | MDS_INODELOCK_PERM);
ibits |= MDS_INODELOCK_LOOKUP;
} else {
- LASSERT(!(ibits & MDS_INODELOCK_UPDATE));
+ 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);
}
- if (lh->mlh_type == MDT_PDO_LOCK) {
+ if (lh->mlh_type == MDT_PDO_LOCK) {
/* check for exists after object is locked */
if (mdt_object_exists(o) == 0) {
/* Non-existent object shouldn't have PDO lock */
RETURN(-ESTALE);
} else {
/* Non-dir object shouldn't have PDO lock */
- if (!S_ISDIR(lu_object_attr(&o->mot_obj.mo_lu)))
- RETURN(-ENOTDIR);
+ if (!S_ISDIR(lu_object_attr(&o->mot_obj)))
+ RETURN(-ENOTDIR);
}
}
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);
+ if (lustre_handle_is_used(&lh->mlh_rreg_lh))
+ ldlm_lock_decref(&lh->mlh_rreg_lh, lh->mlh_rreg_mode);
+
EXIT;
}
rc = mdt_unpack_req_pack_rep(info, flags);
}
- if (rc == 0 && flags & MUTABOR &&
- req->rq_export->exp_connect_flags & OBD_CONNECT_RDONLY)
- /* should it be rq_status? */
- rc = -EROFS;
+ if (rc == 0 && flags & MUTABOR &&
+ exp_connect_flags(req->rq_export) & OBD_CONNECT_RDONLY)
+ /* should it be rq_status? */
+ rc = -EROFS;
if (rc == 0 && flags & HABEO_CLAVIS) {
struct ldlm_request *dlm_req;
lh->mlh_reg_mode = LCK_MINMODE;
lh->mlh_pdo_lh.cookie = 0ull;
lh->mlh_pdo_mode = LCK_MINMODE;
+ lh->mlh_rreg_lh.cookie = 0ull;
+ lh->mlh_rreg_mode = LCK_MINMODE;
}
void mdt_lock_handle_fini(struct mdt_lock_handle *lh)
* uninitialized state, because it's too expensive to zero out whole
* mdt_thread_info (> 1K) on each request arrival.
*/
-static void mdt_thread_info_init(struct ptlrpc_request *req,
- struct mdt_thread_info *info)
+void mdt_thread_info_init(struct ptlrpc_request *req,
+ struct mdt_thread_info *info)
{
int i;
- req_capsule_init(&req->rq_pill, req, RCL_SERVER);
info->mti_pill = &req->rq_pill;
/* lock handle */
info->mti_mos = NULL;
memset(&info->mti_attr, 0, sizeof(info->mti_attr));
- info->mti_body = NULL;
+ info->mti_big_buf = LU_BUF_NULL;
+ info->mti_body = NULL;
info->mti_object = NULL;
info->mti_dlm_req = NULL;
info->mti_has_trans = 0;
/* To not check for split by default. */
info->mti_spec.no_create = 0;
+ info->mti_spec.sp_rm_entry = 0;
}
-static void mdt_thread_info_fini(struct mdt_thread_info *info)
+void mdt_thread_info_fini(struct mdt_thread_info *info)
{
- int i;
+ int i;
- req_capsule_fini(info->mti_pill);
- if (info->mti_object != NULL) {
- mdt_object_put(info->mti_env, info->mti_object);
- info->mti_object = NULL;
- }
- for (i = 0; i < ARRAY_SIZE(info->mti_lh); i++)
- mdt_lock_handle_fini(&info->mti_lh[i]);
- info->mti_env = NULL;
+ if (info->mti_object != NULL) {
+ mdt_object_put(info->mti_env, info->mti_object);
+ info->mti_object = NULL;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(info->mti_lh); i++)
+ mdt_lock_handle_fini(&info->mti_lh[i]);
+ info->mti_env = NULL;
+ info->mti_pill = NULL;
+ info->mti_exp = NULL;
+
+ if (unlikely(info->mti_big_buf.lb_buf != NULL))
+ lu_buf_free(&info->mti_big_buf);
+}
+
+int mdt_tgt_connect(struct tgt_session_info *tsi)
+{
+ struct ptlrpc_request *req = tgt_ses_req(tsi);
+ struct mdt_thread_info *mti;
+ int rc;
+
+ ENTRY;
+
+ rc = tgt_connect(tsi);
+ if (rc != 0)
+ RETURN(rc);
+
+ /* XXX: switch mdt_init_idmap() to use tgt_session_info */
+ lu_env_refill((void *)tsi->tsi_env);
+ mti = lu_context_key_get(&tsi->tsi_env->le_ctx, &mdt_thread_key);
+ LASSERT(mti != NULL);
+
+ mdt_thread_info_init(req, mti);
+ rc = mdt_init_idmap(mti);
+ mdt_thread_info_fini(mti);
+ if (rc != 0)
+ GOTO(err, rc);
+ RETURN(0);
+err:
+ obd_disconnect(class_export_get(req->rq_export));
+ return rc;
}
static int mdt_filter_recovery_request(struct ptlrpc_request *req,
case MDS_SYNC: /* used in unmounting */
case OBD_PING:
case MDS_REINT:
+ case UPDATE_OBJ:
case SEQ_QUERY:
case FLD_QUERY:
case LDLM_ENQUEUE:
case MDS_QUOTACHECK:
case MDS_QUOTACTL:
case UPDATE_OBJ:
+ case MDS_SWAP_LAYOUTS:
case QUOTA_DQACQ:
case QUOTA_DQREL:
case SEQ_QUERY:
if (likely(h != NULL)) {
rc = mdt_req_handle(info, h, req);
} else {
- CERROR("The unsupported opc: 0x%x\n",
- lustre_msg_get_opc(msg) );
+ CERROR("%s: opc unsupported: 0x%x\n",
+ mdt_obd_name(info->mti_mdt),
+ lustre_msg_get_opc(msg));
req->rq_status = -ENOTSUPP;
rc = ptlrpc_error(req);
RETURN(rc);
}
}
- } else
- CERROR(LUSTRE_MDT_NAME" drops mal-formed request\n");
- RETURN(rc);
+ } else {
+ CDEBUG(D_INFO, "%s: drops mal-formed request: rc = %d\n",
+ mdt_obd_name(info->mti_mdt), rc);
+ req->rq_status = rc;
+ rc = ptlrpc_error(req);
+ }
+ RETURN(rc);
}
/*
info = lu_context_key_get(&env->le_ctx, &mdt_thread_key);
LASSERT(info != NULL);
+ req_capsule_init(&req->rq_pill, req, RCL_SERVER);
mdt_thread_info_init(req, info);
rc = mdt_handle0(req, info, supported);
mdt_thread_info_fini(info);
+ req_capsule_fini(&req->rq_pill);
RETURN(rc);
}
*/
int mdt_recovery_handle(struct ptlrpc_request *req)
{
- int rc;
- ENTRY;
+ int rc;
- switch (lustre_msg_get_opc(req->rq_reqmsg)) {
- case FLD_QUERY:
- rc = mdt_handle_common(req, mdt_fld_handlers);
- break;
- case SEQ_QUERY:
- rc = mdt_handle_common(req, mdt_seq_handlers);
- break;
- default:
- rc = mdt_handle_common(req, mdt_regular_handlers);
- break;
- }
+ ENTRY;
- RETURN(rc);
+ rc = mdt_handle_common(req, mdt_regular_handlers);
+
+ RETURN(rc);
}
enum mdt_it_code {
struct mdt_thread_info *info,
struct ldlm_lock **,
__u64);
+
+static int mdt_intent_getxattr(enum mdt_it_code opcode,
+ struct mdt_thread_info *info,
+ struct ldlm_lock **lockp,
+ __u64 flags);
+
static int mdt_intent_layout(enum mdt_it_code opcode,
struct mdt_thread_info *info,
struct ldlm_lock **,
.it_act = NULL
},
[MDT_IT_GETXATTR] = {
- .it_fmt = NULL,
- .it_flags = 0,
- .it_act = NULL
+ .it_fmt = &RQF_LDLM_INTENT_GETXATTR,
+ .it_flags = HABEO_CORPUS,
+ .it_act = mdt_intent_getxattr
},
[MDT_IT_LAYOUT] = {
.it_fmt = &RQF_LDLM_INTENT_LAYOUT,
remote_hdl.cookie);
}
+static int mdt_intent_getxattr(enum mdt_it_code opcode,
+ struct mdt_thread_info *info,
+ struct ldlm_lock **lockp,
+ __u64 flags)
+{
+ struct mdt_lock_handle *lhc = &info->mti_lh[MDT_LH_RMT];
+ struct ldlm_reply *ldlm_rep = NULL;
+ int rc, grc;
+
+ /*
+ * Initialize lhc->mlh_reg_lh either from a previously granted lock
+ * (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);
+ 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);
+ if (rc)
+ return rc;
+ }
+
+ grc = mdt_getxattr(info);
+
+ rc = mdt_intent_lock_replace(info, lockp, NULL, lhc, flags);
+
+ if (mdt_info_req(info)->rq_repmsg != NULL)
+ ldlm_rep = req_capsule_server_get(info->mti_pill, &RMF_DLM_REP);
+ if (ldlm_rep == NULL)
+ RETURN(err_serious(-EFAULT));
+
+ ldlm_rep->lock_policy_res2 = grc;
+
+ return rc;
+}
+
static int mdt_intent_getattr(enum mdt_it_code opcode,
struct mdt_thread_info *info,
struct ldlm_lock **lockp,
switch (opcode) {
case MDT_IT_LOOKUP:
- child_bits = MDS_INODELOCK_LOOKUP;
+ child_bits = MDS_INODELOCK_LOOKUP | MDS_INODELOCK_PERM;
break;
case MDT_IT_GETATTR:
- child_bits = MDS_INODELOCK_LOOKUP | MDS_INODELOCK_UPDATE;
+ child_bits = MDS_INODELOCK_LOOKUP | MDS_INODELOCK_UPDATE |
+ MDS_INODELOCK_PERM;
break;
default:
CERROR("Unsupported intent (%d)\n", opcode);
/* Get lock from request for possible resent case. */
mdt_intent_fixup_resent(info, *lockp, &new_lock, lhc);
- ldlm_rep->lock_policy_res2 =
- mdt_getattr_name_lock(info, lhc, child_bits, ldlm_rep);
+ rc = mdt_getattr_name_lock(info, lhc, child_bits, ldlm_rep);
+ ldlm_rep->lock_policy_res2 = clear_serious(rc);
if (mdt_get_disposition(ldlm_rep, DISP_LOOKUP_NEG))
ldlm_rep->lock_policy_res2 = 0;
__u64 flags)
{
struct layout_intent *layout;
+ struct lu_fid *fid;
+ struct mdt_object *obj = NULL;
+ struct md_object *child = NULL;
int rc;
ENTRY;
if (opcode != MDT_IT_LAYOUT) {
- CERROR("%s: Unknown intent (%d)\n",
- info->mti_exp->exp_obd->obd_name, opcode);
+ CERROR("%s: Unknown intent (%d)\n", mdt_obd_name(info->mti_mdt),
+ opcode);
RETURN(-EINVAL);
}
+ fid = &info->mti_tmp_fid2;
+ fid_extract_from_res_name(fid, &(*lockp)->l_resource->lr_name);
+
+ 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);
+
+ 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));
RETURN(0);
CERROR("%s: Unsupported layout intent (%d)\n",
- info->mti_exp->exp_obd->obd_name, layout->li_opc);
+ mdt_obd_name(info->mti_mdt), layout->li_opc);
RETURN(-EINVAL);
}
if (rc != 0)
mdt_set_disposition(info, rep, DISP_LOOKUP_EXECD);
- /* Cross-ref case, the lock should be returned to the client */
- if (rc == -EREMOTE) {
- LASSERT(lustre_handle_is_used(&lhc->mlh_reg_lh));
- rep->lock_policy_res2 = 0;
- rc = mdt_intent_lock_replace(info, lockp, NULL, lhc, flags);
- RETURN(rc);
- }
- rep->lock_policy_res2 = clear_serious(rc);
+ /* 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));
+ rep->lock_policy_res2 = 0;
+ rc = mdt_intent_lock_replace(info, lockp, NULL, lhc, flags);
+ RETURN(rc);
+ }
+
+ rep->lock_policy_res2 = clear_serious(rc);
if (rep->lock_policy_res2 == -ENOENT &&
mdt_get_disposition(rep, DISP_LOOKUP_NEG))
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 &&
- req->rq_export->exp_connect_flags & OBD_CONNECT_RDONLY)
- RETURN(-EROFS);
+ if (flv->it_flags & MUTABOR &&
+ exp_connect_flags(req->rq_export) & OBD_CONNECT_RDONLY)
+ RETURN(-EROFS);
}
if (rc == 0 && flv->it_act != NULL) {
- /* execute policy */
- rc = flv->it_act(opc, info, lockp, flags);
+ struct ldlm_reply *rep;
+
+ /* 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) {
+ rep = req_capsule_server_get(info->mti_pill,
+ &RMF_DLM_REP);
+ rep->lock_policy_res2 =
+ ptlrpc_status_hton(rep->lock_policy_res2);
+ }
} else {
rc = -EOPNOTSUPP;
}
static void mdt_stack_pre_fini(const struct lu_env *env,
struct mdt_device *m, struct lu_device *top)
{
- struct obd_device *obd = mdt2obd_dev(m);
+ struct obd_device *obd;
struct lustre_cfg_bufs *bufs;
struct lustre_cfg *lcfg;
struct mdt_thread_info *info;
* objects (some of them are pinned by osd, for example *
* the proper solution should be a model where object used
* by osd only doesn't have mdt/mdd slices -bzzz */
- lustre_cfg_bufs_reset(bufs, obd->obd_name);
+ 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) {
}
static void mdt_stack_fini(const struct lu_env *env,
- struct mdt_device *m, struct lu_device *top)
+ struct mdt_device *m, struct lu_device *top)
{
- struct obd_device *obd = mdt2obd_dev(m);
- struct lustre_cfg_bufs *bufs;
- struct lustre_cfg *lcfg;
- struct mdt_thread_info *info;
- char flags[3]="";
- ENTRY;
+ struct obd_device *obd = mdt2obd_dev(m);
+ struct lustre_cfg_bufs *bufs;
+ struct lustre_cfg *lcfg;
+ struct mdt_thread_info *info;
+ char flags[3] = "";
+ ENTRY;
- info = lu_context_key_get(&env->le_ctx, &mdt_thread_key);
- LASSERT(info != NULL);
+ info = lu_context_key_get(&env->le_ctx, &mdt_thread_key);
+ LASSERT(info != NULL);
lu_dev_del_linkage(top->ld_site, top);
lu_site_purge(env, top->ld_site, -1);
- bufs = &info->mti_u.bufs;
- /* process cleanup, pass mdt obd name to get obd umount flags */
+ bufs = &info->mti_u.bufs;
+ /* process cleanup, pass mdt obd name to get obd umount flags */
/* another purpose is to let all layers to release their objects */
- lustre_cfg_bufs_reset(bufs, obd->obd_name);
- if (obd->obd_force)
- strcat(flags, "F");
- if (obd->obd_fail)
- 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;
- }
- LASSERT(top);
- top->ld_ops->ldo_process_config(env, top, lcfg);
- lustre_cfg_free(lcfg);
+ lustre_cfg_bufs_reset(bufs, mdt_obd_name(m));
+ if (obd->obd_force)
+ strcat(flags, "F");
+ if (obd->obd_fail)
+ 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;
+ }
+ LASSERT(top);
+ top->ld_ops->ldo_process_config(env, top, lcfg);
+ lustre_cfg_free(lcfg);
lu_site_purge(env, top->ld_site, -1);
- m->mdt_child = NULL;
- m->mdt_bottom = NULL;
+ m->mdt_child = NULL;
+ m->mdt_bottom = NULL;
obd_disconnect(m->mdt_child_exp);
m->mdt_child_exp = NULL;
obd = class_name2obd(next);
if (obd == NULL) {
CERROR("%s: can't locate next device: %s\n",
- m->mdt_md_dev.md_lu_dev.ld_obd->obd_name, next);
+ mdt_obd_name(m), next);
GOTO(out, rc = -ENOTCONN);
}
rc = obd_connect(NULL, exp, obd, &obd->obd_uuid, data, NULL);
if (rc) {
CERROR("%s: cannot connect to next dev %s (%d)\n",
- m->mdt_md_dev.md_lu_dev.ld_obd->obd_name, next, rc);
+ mdt_obd_name(m), next, rc);
GOTO(out, rc);
}
site = mdt->mdt_child_exp->exp_obd->obd_lu_dev->ld_site;
LASSERT(site);
- LASSERT(mdt->mdt_md_dev.md_lu_dev.ld_site == NULL);
- mdt->mdt_md_dev.md_lu_dev.ld_site = site;
- site->ls_top_dev = &mdt->mdt_md_dev.md_lu_dev;
+ LASSERT(mdt_lu_site(mdt) == NULL);
+ mdt->mdt_lu_dev.ld_site = site;
+ site->ls_top_dev = &mdt->mdt_lu_dev;
mdt->mdt_child = lu2md_dev(mdt->mdt_child_exp->exp_obd->obd_lu_dev);
if (rc != 0)
CERROR("Failure to refill session: '%d'\n", rc);
- lu_dev_add_linkage(site, &mdt->mdt_md_dev.md_lu_dev);
+ lu_dev_add_linkage(site, &mdt->mdt_lu_dev);
EXIT;
class_detach:
/* configure local quota objects */
rc = mdt->mdt_qmt_dev->ld_ops->ldo_prepare(env,
- &mdt->mdt_md_dev.md_lu_dev,
+ &mdt->mdt_lu_dev,
mdt->mdt_qmt_dev);
if (rc)
GOTO(class_cleanup, rc);
EXIT;
}
+static struct tgt_handler mdt_tgt_handlers[] = {
+TGT_RPC_HANDLER(MDS_FIRST_OPC,
+ 0, MDS_CONNECT, mdt_tgt_connect,
+ &RQF_CONNECT, LUSTRE_OBD_VERSION),
+TGT_RPC_HANDLER(MDS_FIRST_OPC,
+ 0, MDS_DISCONNECT, tgt_disconnect,
+ &RQF_MDS_DISCONNECT, LUSTRE_OBD_VERSION),
+};
+
+static struct tgt_opc_slice mdt_common_slice[] = {
+ {
+ .tos_opc_start = MDS_FIRST_OPC,
+ .tos_opc_end = MDS_LAST_OPC,
+ .tos_hs = mdt_tgt_handlers
+ },
+ {
+ .tos_opc_start = OBD_FIRST_OPC,
+ .tos_opc_end = OBD_LAST_OPC,
+ .tos_hs = tgt_obd_handlers
+ },
+ {
+ .tos_opc_start = LDLM_FIRST_OPC,
+ .tos_opc_end = LDLM_LAST_OPC,
+ .tos_hs = tgt_dlm_handlers
+ },
+ {
+ .tos_opc_start = SEC_FIRST_OPC,
+ .tos_opc_end = SEC_LAST_OPC,
+ .tos_hs = tgt_sec_ctx_handlers
+ },
+ {
+ .tos_opc_start = UPDATE_OBJ,
+ .tos_opc_end = UPDATE_LAST_OPC,
+ .tos_hs = tgt_out_handlers
+ },
+ {
+ .tos_opc_start = FLD_FIRST_OPC,
+ .tos_opc_end = FLD_LAST_OPC,
+ .tos_hs = fld_handlers
+ },
+ {
+ .tos_opc_start = SEQ_FIRST_OPC,
+ .tos_opc_end = SEQ_LAST_OPC,
+ .tos_hs = seq_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_md_dev.md_lu_dev;
+ struct md_device *next = m->mdt_child;
+ struct lu_device *d = &m->mdt_lu_dev;
struct obd_device *obd = mdt2obd_dev(m);
ENTRY;
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_hsm_cdt_fini(m);
+
+ mdt_llog_ctxt_unclone(env, m, LLOG_AGENT_ORIG_CTXT);
mdt_llog_ctxt_unclone(env, m, LLOG_CHANGELOG_ORIG_CTXT);
obd_exports_barrier(obd);
obd_zombie_barrier();
m->mdt_nosquash_strlen = 0;
}
+ next->md_ops->mdo_iocontrol(env, next, OBD_IOC_PAUSE_LFSCK, 0, NULL);
+
mdt_seq_fini(env, m);
mdt_fld_fini(env, m);
sptlrpc_rule_set_free(&m->mdt_sptlrpc_rset);
cfs_timer_disarm(&m->mdt_ck_timer);
mdt_ck_thread_stop(m);
- /*
- * Finish the stack
- */
- mdt_stack_fini(env, m, md2lu_dev(m->mdt_child));
+ /*
+ * Finish the stack
+ */
+ mdt_stack_fini(env, m, md2lu_dev(m->mdt_child));
- LASSERT(cfs_atomic_read(&d->ld_ref) == 0);
+ LASSERT(cfs_atomic_read(&d->ld_ref) == 0);
- server_put_mount(mdt2obd_dev(m)->obd_name, NULL);
+ server_put_mount(mdt_obd_name(m), NULL);
- EXIT;
+ EXIT;
}
static int mdt_adapt_sptlrpc_conf(struct obd_device *obd, int initial)
{
- struct mdt_device *m = mdt_dev(obd->obd_lu_dev);
- struct sptlrpc_rule_set tmp_rset;
- int rc;
+ struct mdt_device *m = mdt_dev(obd->obd_lu_dev);
+ struct sptlrpc_rule_set tmp_rset;
+ int rc;
- sptlrpc_rule_set_init(&tmp_rset);
- rc = sptlrpc_conf_target_get_rules(obd, &tmp_rset, initial);
- if (rc) {
- CERROR("mdt %s: failed get sptlrpc rules: %d\n",
- obd->obd_name, rc);
- return rc;
- }
+ sptlrpc_rule_set_init(&tmp_rset);
+ rc = sptlrpc_conf_target_get_rules(obd, &tmp_rset, initial);
+ if (rc) {
+ CERROR("mdt %s: failed get sptlrpc rules: %d\n",
+ mdt_obd_name(m), rc);
+ return rc;
+ }
- sptlrpc_target_update_exp_flavor(obd, &tmp_rset);
+ sptlrpc_target_update_exp_flavor(obd, &tmp_rset);
write_lock(&m->mdt_sptlrpc_lock);
- sptlrpc_rule_set_free(&m->mdt_sptlrpc_rset);
- m->mdt_sptlrpc_rset = tmp_rset;
+ sptlrpc_rule_set_free(&m->mdt_sptlrpc_rset);
+ m->mdt_sptlrpc_rset = tmp_rset;
write_unlock(&m->mdt_sptlrpc_lock);
- return 0;
+ return 0;
}
int mdt_postrecov(const struct lu_env *, struct mdt_device *);
mntopt_t mntopts;
ENTRY;
- md_device_init(&m->mdt_md_dev, ldt);
+ lu_device_init(&m->mdt_lu_dev, ldt);
/*
* Environment (env) might be missing mdt_thread_key values at that
* point, if device is allocated when mdt_thread_key is in QUIESCENT
m->mdt_som_conf = 0;
m->mdt_opts.mo_cos = MDT_COS_DEFAULT;
+
+ /* default is coordinator off, it is started through conf_param
+ * or /proc */
+ m->mdt_opts.mo_coordinator = 0;
+
lmi = server_get_mount(dev);
if (lmi == NULL) {
CERROR("Cannot get mount info for %s!\n", dev);
}
rwlock_init(&m->mdt_sptlrpc_lock);
- sptlrpc_rule_set_init(&m->mdt_sptlrpc_rset);
+ sptlrpc_rule_set_init(&m->mdt_sptlrpc_rset);
spin_lock_init(&m->mdt_ioepoch_lock);
m->mdt_opts.mo_compat_resname = 0;
init_rwsem(&m->mdt_squash_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;
- m->mdt_md_dev.md_lu_dev.ld_ops = &mdt_lu_ops;
- m->mdt_md_dev.md_lu_dev.ld_obd = obd;
- /* set this lu_device to obd, because error handling need it */
- obd->obd_lu_dev = &m->mdt_md_dev.md_lu_dev;
+ 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. */
+ obd->obd_lu_dev = &m->mdt_lu_dev;
/* init the stack */
rc = mdt_stack_init((struct lu_env *)env, m, cfg);
if (rc) {
- CERROR("Can't init device stack, rc %d\n", rc);
+ CERROR("%s: Can't init device stack, rc %d\n",
+ mdt_obd_name(m), rc);
GOTO(err_lmi, rc);
}
- s = m->mdt_md_dev.md_lu_dev.ld_site;
- ss_site = &m->mdt_seq_site;
+ s = mdt_lu_site(m);
+ ss_site = mdt_seq_site(m);
s->ld_seq_site = ss_site;
ss_site->ss_lu = s;
/* No connection accepted until configurations will finish */
obd->obd_no_conn = 1;
- if (cfg->lcfg_bufcount > 4 && LUSTRE_CFG_BUFLEN(cfg, 4) > 0) {
- char *str = lustre_cfg_string(cfg, 4);
- if (strchr(str, 'n')) {
- CWARN("%s: recovery disabled\n", obd->obd_name);
- obd->obd_replayable = 0;
- }
- }
-
- rc = tgt_init(env, &m->mdt_lut, obd, m->mdt_bottom);
- if (rc)
- GOTO(err_fini_stack, rc);
+ if (cfg->lcfg_bufcount > 4 && LUSTRE_CFG_BUFLEN(cfg, 4) > 0) {
+ char *str = lustre_cfg_string(cfg, 4);
+ if (strchr(str, 'n')) {
+ CWARN("%s: recovery disabled\n", mdt_obd_name(m));
+ obd->obd_replayable = 0;
+ }
+ }
- rc = mdt_fld_init(env, obd->obd_name, m);
+ rc = mdt_fld_init(env, mdt_obd_name(m), m);
if (rc)
- GOTO(err_lut, rc);
+ GOTO(err_fini_stack, rc);
- rc = mdt_seq_init(env, obd->obd_name, m);
+ rc = mdt_seq_init(env, mdt_obd_name(m), m);
if (rc)
GOTO(err_fini_fld, rc);
- snprintf(info->mti_u.ns_name, sizeof info->mti_u.ns_name,
- LUSTRE_MDT_NAME"-%p", m);
+ snprintf(info->mti_u.ns_name, sizeof(info->mti_u.ns_name), "%s-%s",
+ LUSTRE_MDT_NAME, obd->obd_uuid.uuid);
m->mdt_namespace = ldlm_namespace_new(obd, info->mti_u.ns_name,
LDLM_NAMESPACE_SERVER,
LDLM_NAMESPACE_GREEDY,
cfs_timer_init(&m->mdt_ck_timer, mdt_ck_timer_callback, m);
- rc = mdt_ck_thread_start(m);
- if (rc)
+ rc = mdt_hsm_cdt_init(m);
+ if (rc != 0) {
+ CERROR("%s: error initializing coordinator, rc %d\n",
+ mdt_obd_name(m), rc);
GOTO(err_free_ns, rc);
+ }
- rc = mdt_fs_setup(env, m, obd, lsi);
+ rc = mdt_ck_thread_start(m);
if (rc)
- GOTO(err_capa, 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);
+
+ rc = mdt_fs_setup(env, m, obd, lsi);
+ if (rc)
+ GOTO(err_tgt, rc);
mdt_adapt_sptlrpc_conf(obd, 1);
rc = next->md_ops->mdo_iocontrol(env, next, OBD_IOC_GET_MNTOPT, 0,
&mntopts);
if (rc)
- GOTO(err_llog_cleanup, rc);
+ GOTO(err_fs_cleanup, rc);
if (mntopts & MNTOPT_USERXATTR)
m->mdt_opts.mo_user_xattr = 1;
else
m->mdt_opts.mo_user_xattr = 0;
+ rc = next->md_ops->mdo_maxeasize_get(env, next, &m->mdt_max_ea_size);
+ if (rc)
+ GOTO(err_fs_cleanup, rc);
+
if (mntopts & MNTOPT_ACL)
m->mdt_opts.mo_acl = 1;
else
m->mdt_opts.mo_acl = 0;
- /* XXX: to support suppgid for ACL, we enable identity_upcall
- * by default, otherwise, maybe got unexpected -EACCESS. */
- if (m->mdt_opts.mo_acl)
- identity_upcall = MDT_IDENTITY_UPCALL_PATH;
-
- m->mdt_identity_cache = upcall_cache_init(obd->obd_name,identity_upcall,
- &mdt_identity_upcall_cache_ops);
- if (IS_ERR(m->mdt_identity_cache)) {
- rc = PTR_ERR(m->mdt_identity_cache);
- m->mdt_identity_cache = NULL;
- GOTO(err_llog_cleanup, rc);
- }
+ /* XXX: to support suppgid for ACL, we enable identity_upcall
+ * by default, otherwise, maybe got unexpected -EACCESS. */
+ if (m->mdt_opts.mo_acl)
+ identity_upcall = MDT_IDENTITY_UPCALL_PATH;
+
+ m->mdt_identity_cache = upcall_cache_init(mdt_obd_name(m),
+ identity_upcall,
+ &mdt_identity_upcall_cache_ops);
+ if (IS_ERR(m->mdt_identity_cache)) {
+ rc = PTR_ERR(m->mdt_identity_cache);
+ m->mdt_identity_cache = NULL;
+ GOTO(err_fs_cleanup, rc);
+ }
rc = mdt_procfs_init(m, dev);
if (rc) {
ptlrpc_init_client(LDLM_CB_REQUEST_PORTAL, LDLM_CB_REPLY_PORTAL,
"mdt_ldlm_client", m->mdt_ldlm_client);
- ping_evictor_start();
+ ping_evictor_start();
/* recovery will be started upon mdt_prepare()
* when the whole stack is complete and ready
ldlm_timeout = MDS_LDLM_TIMEOUT_DEFAULT;
RETURN(0);
-
err_procfs:
- mdt_procfs_fini(m);
+ mdt_procfs_fini(m);
err_recovery:
- target_recovery_fini(obd);
- upcall_cache_cleanup(m->mdt_identity_cache);
- m->mdt_identity_cache = NULL;
-err_llog_cleanup:
- mdt_llog_ctxt_unclone(env, m, LLOG_CHANGELOG_ORIG_CTXT);
- mdt_fs_cleanup(env, m);
+ target_recovery_fini(obd);
+ upcall_cache_cleanup(m->mdt_identity_cache);
+ m->mdt_identity_cache = NULL;
+err_fs_cleanup:
+ 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);
+ cfs_timer_disarm(&m->mdt_ck_timer);
+ mdt_ck_thread_stop(m);
+err_free_hsm:
+ mdt_hsm_cdt_fini(m);
err_free_ns:
- ldlm_namespace_free(m->mdt_namespace, NULL, 0);
- obd->obd_namespace = m->mdt_namespace = NULL;
+ ldlm_namespace_free(m->mdt_namespace, NULL, 0);
+ obd->obd_namespace = m->mdt_namespace = NULL;
err_fini_seq:
mdt_seq_fini(env, m);
err_fini_fld:
mdt_fld_fini(env, m);
-err_lut:
- tgt_fini(env, &m->mdt_lut);
err_fini_stack:
- mdt_stack_fini(env, m, md2lu_dev(m->mdt_child));
+ mdt_stack_fini(env, m, md2lu_dev(m->mdt_child));
err_lmi:
if (lmi)
server_put_mount(dev, lmi->lmi_mnt);
- return (rc);
+ return(rc);
}
/* For interoperability, the left element is old parameter, the right one
ENTRY;
- OBD_SLAB_ALLOC_PTR_GFP(mo, mdt_object_kmem, CFS_ALLOC_IO);
+ OBD_SLAB_ALLOC_PTR_GFP(mo, mdt_object_kmem, __GFP_IO);
if (mo != NULL) {
struct lu_object *o;
struct lu_object_header *h;
- o = &mo->mot_obj.mo_lu;
+ o = &mo->mot_obj;
h = &mo->mot_header;
lu_object_header_init(h);
lu_object_init(o, h, d);
o->lo_ops = &mdt_obj_ops;
mutex_init(&mo->mot_ioepoch_mutex);
mutex_init(&mo->mot_lov_mutex);
- RETURN(o);
- } else
- RETURN(NULL);
+ init_rwsem(&mo->mot_open_sem);
+ init_rwsem(&mo->mot_xattr_sem);
+ RETURN(o);
+ }
+ RETURN(NULL);
}
static int mdt_object_init(const struct lu_env *env, struct lu_object *o,
CDEBUG(D_INFO, "object free, fid = "DFID"\n",
PFID(lu_object_fid(o)));
- lu_object_fini(o);
- lu_object_header_fini(h);
+ LASSERT(atomic_read(&mo->mot_open_count) == 0);
+ LASSERT(atomic_read(&mo->mot_lease_count) == 0);
+
+ lu_object_fini(o);
+ lu_object_header_fini(h);
OBD_SLAB_FREE_PTR(mo, mdt_object_kmem);
- EXIT;
+ EXIT;
}
static int mdt_object_print(const struct lu_env *env, void *cookie,
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);
- rc = mdt->mdt_child->md_ops->mdo_root_get(env, mdt->mdt_child,
- &mdt->mdt_md_root_fid);
+ rc = mdt_llog_ctxt_clone(env, mdt, LLOG_AGENT_ORIG_CTXT);
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;
+ }
+
+ 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);
+ if (rc)
+ RETURN(rc);
+ }
+
LASSERT(!test_bit(MDT_FL_CFGLOG, &mdt->mdt_state));
target_recovery_init(&mdt->mdt_lut, mdt_recovery_handle);
set_bit(MDT_FL_CFGLOG, &mdt->mdt_state);
* Compute the compatibility flags for a connection request based on
* features mutually supported by client and server.
*
- * The obd_export::exp_connect_flags field in \a exp must not be updated
- * here, otherwise a partially initialized value may be exposed. After
- * the connection request is successfully processed, the top-level MDT
- * connect request handler atomically updates the export connect flags
- * from the obd_connect_data::ocd_connect_flags field of the reply.
- * \see mdt_connect().
+ * The obd_export::exp_connect_data.ocd_connect_flags field in \a exp
+ * must not be updated here, otherwise a partially initialized value may
+ * be exposed. After the connection request is successfully processed,
+ * the top-level MDT connect request handler atomically updates the export
+ * connect flags from the obd_connect_data::ocd_connect_flags field of the
+ * reply. \see mdt_connect().
*
* \param exp the obd_export associated with this client/target pair
* \param mdt the target device for the connection
if (data->ocd_connect_flags & OBD_CONNECT_BRW_SIZE) {
data->ocd_brw_size = min(data->ocd_brw_size,
- (__u32)(PTLRPC_MAX_BRW_PAGES << CFS_PAGE_SHIFT));
+ (__u32)MD_MAX_BRW_SIZE);
if (data->ocd_brw_size == 0) {
CERROR("%s: cli %s/%p ocd_connect_flags: "LPX64
" ocd_version: %x ocd_grant: %d "
"unexpectedly zero, network data "
"corruption? Refusing connection of this"
" client\n",
- exp->exp_obd->obd_name,
+ mdt_obd_name(mdt),
exp->exp_client_uuid.uuid,
exp, data->ocd_connect_flags, data->ocd_version,
data->ocd_grant, data->ocd_index);
}
}
- /* NB: Disregard the rule against updating exp_connect_flags in this
- * case, since tgt_client_new() needs to know if this is a lightweight
- * connection, and it is safe to expose this flag before connection
- * processing completes. */
+ /* 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 a lightweight
+ * connection, and it is safe to expose this flag before
+ * connection processing completes. */
if (data->ocd_connect_flags & OBD_CONNECT_LIGHTWEIGHT) {
spin_lock(&exp->exp_lock);
- exp->exp_connect_flags |= OBD_CONNECT_LIGHTWEIGHT;
+ *exp_connect_flags_ptr(exp) |= OBD_CONNECT_LIGHTWEIGHT;
spin_unlock(&exp->exp_lock);
}
data->ocd_version = LUSTRE_VERSION_CODE;
+ exp->exp_connect_data = *data;
exp->exp_mdt_data.med_ibits_known = data->ocd_ibits_known;
if ((data->ocd_connect_flags & OBD_CONNECT_FID) == 0) {
CWARN("%s: MDS requires FID support, but client not\n",
- mdt->mdt_md_dev.md_lu_dev.ld_obd->obd_name);
+ mdt_obd_name(mdt));
return -EBADE;
}
OBD_CONNECT_MDS_MDS |
OBD_CONNECT_SOM))) {
CWARN("%s: MDS has SOM enabled, but client does not support "
- "it\n", mdt->mdt_md_dev.md_lu_dev.ld_obd->obd_name);
+ "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);
+ list_del_init(&exp->exp_obd_chain_timed);
+ spin_unlock(&exp->exp_obd->obd_dev_lock);
+ } else {
+ data->ocd_connect_flags &= ~OBD_CONNECT_PINGLESS;
+ }
+ }
+
+ data->ocd_max_easize = mdt->mdt_max_ea_size;
+
return 0;
}
-static int mdt_connect_check_sptlrpc(struct mdt_device *mdt,
- struct obd_export *exp,
- struct ptlrpc_request *req)
+int mdt_connect_check_sptlrpc(struct mdt_device *mdt, struct obd_export *exp,
+ struct ptlrpc_request *req)
{
struct sptlrpc_flavor flvr;
int rc = 0;
struct obd_connect_data *data,
void *localdata)
{
- struct mdt_thread_info *info;
struct obd_export *lexp;
struct lustre_handle conn = { 0 };
struct mdt_device *mdt;
- struct ptlrpc_request *req;
int rc;
ENTRY;
if (!exp || !obd || !cluuid)
RETURN(-EINVAL);
- info = lu_context_key_get(&env->le_ctx, &mdt_thread_key);
- req = info->mti_pill->rc_req;
- mdt = mdt_dev(obd->obd_lu_dev);
+ mdt = mdt_dev(obd->obd_lu_dev);
/*
* first, check whether the stack is ready to handle requests
lexp = class_conn2export(&conn);
LASSERT(lexp != NULL);
- rc = mdt_connect_check_sptlrpc(mdt, lexp, req);
- if (rc)
- GOTO(out, rc);
-
- if (OBD_FAIL_CHECK(OBD_FAIL_TGT_RCVG_FLAG))
- lustre_msg_add_op_flags(req->rq_repmsg, MSG_CONNECT_RECOVERING);
-
rc = mdt_connect_internal(lexp, mdt, data);
if (rc == 0) {
struct lsd_client_data *lcd = lexp->exp_target_data.ted_lcd;
LASSERT(lcd);
- info->mti_exp = lexp;
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);
*exp = NULL;
struct obd_connect_data *data,
void *localdata)
{
- struct mdt_thread_info *info;
- struct mdt_device *mdt;
- struct ptlrpc_request *req;
int rc;
ENTRY;
if (exp == NULL || obd == NULL || cluuid == NULL)
RETURN(-EINVAL);
- info = lu_context_key_get(&env->le_ctx, &mdt_thread_key);
- req = info->mti_pill->rc_req;
- mdt = mdt_dev(obd->obd_lu_dev);
-
- rc = mdt_connect_check_sptlrpc(mdt, exp, req);
- if (rc)
- RETURN(rc);
-
rc = mdt_connect_internal(exp, mdt_dev(obd->obd_lu_dev), data);
if (rc == 0)
mdt_export_stats_init(obd, exp, localdata);
RETURN(rc);
}
+static int mdt_ctxt_add_dirty_flag(struct lu_env *env,
+ struct mdt_thread_info *info,
+ struct mdt_file_data *mfd)
+{
+ struct lu_context ses;
+ int rc;
+ ENTRY;
+
+ rc = lu_context_init(&ses, LCT_SESSION);
+ if (rc)
+ RETURN(rc);
+
+ env->le_ses = &ses;
+ lu_context_enter(&ses);
+
+ mdt_ucred(info)->uc_valid = UCRED_OLD;
+ rc = mdt_add_dirty_flag(info, mfd->mfd_object, &info->mti_attr);
+
+ lu_context_exit(&ses);
+ lu_context_fini(&ses);
+ env->le_ses = NULL;
+
+ RETURN(rc);
+}
+
static int mdt_export_cleanup(struct obd_export *exp)
{
struct mdt_export_data *med = &exp->exp_mdt_data;
cfs_list_for_each_entry_safe(mfd, n, &closing_list, mfd_list) {
cfs_list_del_init(&mfd->mfd_list);
ma->ma_need = ma->ma_valid = 0;
+
+ /* This file is being closed due to an eviction, it
+ * could have been modified and now dirty regarding to
+ * HSM archive, check this!
+ * The logic here is to mark a file dirty if there's a
+ * chance it was dirtied before the client was evicted,
+ * so that we don't have to wait for a release attempt
+ * before finding out the file was actually dirty and
+ * fail the release. Aggressively marking it dirty here
+ * will cause the policy engine to attempt to
+ * re-archive it; when rearchiving, we can compare the
+ * current version to the HSM data_version and make the
+ * archive request into a noop if it's not actually
+ * dirty.
+ */
+ if (mfd->mfd_mode & (FMODE_WRITE|MDS_FMODE_TRUNC))
+ rc = mdt_ctxt_add_dirty_flag(&env, info, mfd);
+
/* Don't unlink orphan on failover umount, LU-184 */
if (exp->exp_flags & OBD_OPT_FAILOVER) {
ma->ma_valid = MA_FLAGS;
RETURN(0);
}
-static int mdt_rpc_fid2path(struct mdt_thread_info *info, void *key,
- void *val, int vallen)
+/** 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 */
+};
+
+static int mdt_links_read(struct mdt_thread_info *info,
+ struct mdt_object *mdt_obj, struct linkea_data *ldata)
{
- struct mdt_device *mdt = mdt_dev(info->mti_exp->exp_obd->obd_lu_dev);
- struct getinfo_fid2path *fpout, *fpin;
- int rc = 0;
+ int rc;
- fpin = key + cfs_size_round(sizeof(KEY_FID2PATH));
- fpout = val;
+ LASSERT(ldata->ld_buf->lb_buf != NULL);
+
+ if (!mdt_object_exists(mdt_obj))
+ return -ENODATA;
+
+ rc = mo_xattr_get(info->mti_env, mdt_object_child(mdt_obj),
+ ldata->ld_buf, XATTR_NAME_LINK);
+ if (rc == -ERANGE) {
+ /* Buf was too small, figure out what we need. */
+ lu_buf_free(ldata->ld_buf);
+ rc = mo_xattr_get(info->mti_env, mdt_object_child(mdt_obj),
+ ldata->ld_buf, XATTR_NAME_LINK);
+ if (rc < 0)
+ return rc;
+ ldata->ld_buf = lu_buf_check_and_alloc(ldata->ld_buf, rc);
+ if (ldata->ld_buf->lb_buf == NULL)
+ return -ENOMEM;
+ rc = mo_xattr_get(info->mti_env, mdt_object_child(mdt_obj),
+ ldata->ld_buf, XATTR_NAME_LINK);
+ }
+ if (rc < 0)
+ return rc;
- if (ptlrpc_req_need_swab(info->mti_pill->rc_req))
- lustre_swab_fid2path(fpin);
+ return linkea_init(ldata);
+}
- memcpy(fpout, fpin, sizeof(*fpin));
- if (fpout->gf_pathlen != vallen - sizeof(*fpin))
- RETURN(-EINVAL);
+static int mdt_path_current(struct mdt_thread_info *info,
+ struct path_lookup_info *pli)
+{
+ struct mdt_device *mdt = info->mti_mdt;
+ struct mdt_object *mdt_obj;
+ struct link_ea_header *leh;
+ struct link_ea_entry *lee;
+ struct lu_name *tmpname = &info->mti_name;
+ struct lu_fid *tmpfid = &info->mti_tmp_fid1;
+ struct lu_buf *buf = &info->mti_big_buf;
+ char *ptr;
+ int reclen;
+ struct linkea_data ldata = { 0 };
+ int rc = 0;
+ ENTRY;
- rc = mdt_fid2path(info->mti_env, mdt, fpout);
- RETURN(rc);
+ /* temp buffer for path element, the buffer will be finally freed
+ * in mdt_thread_info_fini */
+ buf = lu_buf_check_and_alloc(buf, PATH_MAX);
+ if (buf->lb_buf == NULL)
+ RETURN(-ENOMEM);
+
+ ldata.ld_buf = buf;
+ ptr = pli->pli_path + pli->pli_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]);
+ 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);
+ }
+
+ rc = mdt_links_read(info, mdt_obj, &ldata);
+ mdt_object_put(info->mti_env, mdt_obj);
+ if (rc != 0)
+ 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)) {
+ int count;
+ for (count = 0; count < pli->pli_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)
+ /* indicate to user there are more links */
+ pli->pli_linkno++;
+ }
+
+ /* Pack the name in the end of the buffer */
+ ptr -= tmpname->ln_namelen;
+ if (ptr - 1 <= pli->pli_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;
+ }
+
+remote_out:
+ ptr++; /* skip leading / */
+ memmove(pli->pli_path, ptr, pli->pli_path + pli->pli_pathlen - ptr);
+
+ EXIT;
+out:
+ return rc;
}
-static int mdt_fid2path(const struct lu_env *env, struct mdt_device *mdt,
- struct getinfo_fid2path *fp)
+/* Returns the full path to this fid, as of changelog record recno. */
+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 mdt_device *mdt = info->mti_mdt;
+ struct path_lookup_info *pli;
+ int tries = 3;
+ int rc = -EAGAIN;
+ ENTRY;
+
+ if (pathlen < 3)
+ RETURN(-EOVERFLOW);
+
+ if (lu_fid_eq(&mdt->mdt_md_root_fid, mdt_object_fid(obj))) {
+ 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);
+
+ RETURN(rc);
+}
+
+static int mdt_fid2path(struct mdt_thread_info *info,
+ struct getinfo_fid2path *fp)
+{
+ struct mdt_device *mdt = info->mti_mdt;
struct mdt_object *obj;
- struct obd_device *obd = mdt2obd_dev(mdt);
int rc;
ENTRY;
if (!fid_is_sane(&fp->gf_fid))
RETURN(-EINVAL);
- if (!fid_is_norm(&fp->gf_fid) && !fid_is_igif(&fp->gf_fid)) {
+ if (!fid_is_namespace_visible(&fp->gf_fid)) {
CWARN("%s: "DFID" is invalid, sequence should be "
- ">= "LPX64"\n", obd->obd_name,
- PFID(&fp->gf_fid), (__u64)FID_SEQ_NORMAL);
+ ">= "LPX64"\n", mdt_obd_name(mdt),
+ PFID(&fp->gf_fid), (__u64)FID_SEQ_NORMAL);
RETURN(-EINVAL);
}
- obj = mdt_object_find(env, mdt, &fp->gf_fid);
+ 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));
+ PTR_ERR(obj));
RETURN(-EINVAL);
}
- rc = lu_object_exists(&obj->mot_obj.mo_lu);
- if (rc <= 0) {
- if (rc == -1)
- rc = -EREMOTE;
- else
- rc = -ENOENT;
- mdt_object_put(env, obj);
+ if (mdt_object_remote(obj))
+ rc = -EREMOTE;
+ else if (!mdt_object_exists(obj))
+ rc = -ENOENT;
+ else
+ rc = 0;
+
+ if (rc < 0) {
+ mdt_object_put(info->mti_env, obj);
CDEBUG(D_IOCTL, "nonlocal object "DFID": %d\n",
- PFID(&fp->gf_fid), rc);
+ PFID(&fp->gf_fid), rc);
RETURN(rc);
}
- rc = mo_path(env, md_object_next(&obj->mot_obj), fp->gf_path,
- fp->gf_pathlen, &fp->gf_recno, &fp->gf_linkno);
- mdt_object_put(env, obj);
+ rc = mdt_path(info, obj, fp->gf_path, fp->gf_pathlen, &fp->gf_recno,
+ &fp->gf_linkno, &fp->gf_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);
+
+ mdt_object_put(info->mti_env, obj);
RETURN(rc);
}
+static int mdt_rpc_fid2path(struct mdt_thread_info *info, void *key,
+ void *val, int vallen)
+{
+ struct getinfo_fid2path *fpout, *fpin;
+ int rc = 0;
+
+ fpin = key + cfs_size_round(sizeof(KEY_FID2PATH));
+ fpout = val;
+
+ if (ptlrpc_req_need_swab(info->mti_pill->rc_req))
+ lustre_swab_fid2path(fpin);
+
+ memcpy(fpout, fpin, sizeof(*fpin));
+ if (fpout->gf_pathlen != vallen - sizeof(*fpin))
+ RETURN(-EINVAL);
+
+ rc = mdt_fid2path(info, fpout);
+ RETURN(rc);
+}
+
int mdt_get_info(struct mdt_thread_info *info)
{
struct ptlrpc_request *req = mdt_info_req(info);
static int mdt_ioc_version_get(struct mdt_thread_info *mti, void *karg)
{
- struct obd_ioctl_data *data = karg;
- struct lu_fid *fid = (struct lu_fid *)data->ioc_inlbuf1;
- __u64 version;
- struct mdt_object *obj;
- struct mdt_lock_handle *lh;
- int rc;
- ENTRY;
+ struct obd_ioctl_data *data = karg;
+ struct lu_fid *fid;
+ __u64 version;
+ struct mdt_object *obj;
+ struct mdt_lock_handle *lh;
+ int rc;
+ ENTRY;
- CDEBUG(D_IOCTL, "getting version for "DFID"\n", PFID(fid));
- if (!fid_is_sane(fid))
- RETURN(-EINVAL);
+ if (data->ioc_inlbuf1 == NULL || data->ioc_inllen1 != sizeof(*fid) ||
+ data->ioc_inlbuf2 == NULL || data->ioc_inllen2 != sizeof(version))
+ RETURN(-EINVAL);
+
+ fid = (struct lu_fid *)data->ioc_inlbuf1;
+
+ if (!fid_is_sane(fid))
+ RETURN(-EINVAL);
+
+ CDEBUG(D_IOCTL, "getting version for "DFID"\n", PFID(fid));
lh = &mti->mti_lh[MDT_LH_PARENT];
mdt_lock_reg_init(lh, LCK_CR);
if (IS_ERR(obj))
RETURN(PTR_ERR(obj));
- rc = mdt_object_exists(obj);
- if (rc < 0) {
- rc = -EREMOTE;
- /**
- * before calling version get the correct MDS should be
- * fid, this is error to find remote object here
- */
- CERROR("nonlocal object "DFID"\n", PFID(fid));
- } else if (rc == 0) {
- *(__u64 *)data->ioc_inlbuf2 = ENOENT_VERSION;
- rc = -ENOENT;
- } else {
- version = dt_version_get(mti->mti_env, mdt_obj2dt(obj));
- *(__u64 *)data->ioc_inlbuf2 = version;
- rc = 0;
- }
- mdt_object_unlock_put(mti, obj, lh, 1);
- RETURN(rc);
+ if (mdt_object_remote(obj)) {
+ rc = -EREMOTE;
+ /**
+ * before calling version get the correct MDS should be
+ * fid, this is error to find remote object here
+ */
+ CERROR("nonlocal object "DFID"\n", PFID(fid));
+ } else if (!mdt_object_exists(obj)) {
+ *(__u64 *)data->ioc_inlbuf2 = ENOENT_VERSION;
+ rc = -ENOENT;
+ } else {
+ version = dt_version_get(mti->mti_env, mdt_obj2dt(obj));
+ *(__u64 *)data->ioc_inlbuf2 = version;
+ rc = 0;
+ }
+ mdt_object_unlock_put(mti, obj, lh, 1);
+ RETURN(rc);
}
/* ioctls on obd dev */
case OBD_IOC_SET_READONLY:
rc = dt->dd_ops->dt_ro(&env, dt);
break;
- case OBD_IOC_ABORT_RECOVERY:
- CERROR("Aborting recovery for device %s\n", obd->obd_name);
- target_stop_recovery_thread(obd);
- rc = 0;
- break;
+ case OBD_IOC_ABORT_RECOVERY:
+ CERROR("%s: Aborting recovery for device\n", mdt_obd_name(mdt));
+ target_stop_recovery_thread(obd);
+ rc = 0;
+ break;
case OBD_IOC_CHANGELOG_REG:
case OBD_IOC_CHANGELOG_DEREG:
case OBD_IOC_CHANGELOG_CLEAR:
rc = mdt_ioc_child(&env, mdt, cmd, len, karg);
break;
- case OBD_IOC_START_LFSCK:
- case OBD_IOC_STOP_LFSCK: {
+ case OBD_IOC_START_LFSCK: {
struct md_device *next = mdt->mdt_child;
struct obd_ioctl_data *data = karg;
+ struct lfsck_start_param lsp;
if (unlikely(data == NULL)) {
rc = -EINVAL;
break;
}
- rc = next->md_ops->mdo_iocontrol(&env, next, cmd,
- data->ioc_inllen1,
- data->ioc_inlbuf1);
+ lsp.lsp_start = (struct lfsck_start *)(data->ioc_inlbuf1);
+ lsp.lsp_namespace = mdt->mdt_namespace;
+ rc = next->md_ops->mdo_iocontrol(&env, next, cmd, 0, &lsp);
+ break;
+ }
+ case OBD_IOC_STOP_LFSCK: {
+ struct md_device *next = mdt->mdt_child;
+
+ rc = next->md_ops->mdo_iocontrol(&env, next, cmd, 0, NULL);
break;
}
case OBD_IOC_GET_OBJ_VERSION: {
rc = mdt_ioc_version_get(mti, karg);
break;
}
- default:
- CERROR("Not supported cmd = %d for device %s\n",
- cmd, obd->obd_name);
- rc = -EOPNOTSUPP;
- }
+ default:
+ rc = -EOPNOTSUPP;
+ CERROR("%s: Not supported cmd = %d, rc = %d\n",
+ mdt_obd_name(mdt), cmd, rc);
+ }
lu_env_fini(&env);
RETURN(rc);
static struct lu_device *mdt_device_free(const struct lu_env *env,
struct lu_device *d)
{
- struct mdt_device *m = mdt_dev(d);
- ENTRY;
+ struct mdt_device *m = mdt_dev(d);
+ ENTRY;
- md_device_fini(&m->mdt_md_dev);
- OBD_FREE_PTR(m);
- RETURN(NULL);
+ lu_device_fini(&m->mdt_lu_dev);
+ OBD_FREE_PTR(m);
+
+ RETURN(NULL);
}
static struct lu_device *mdt_device_alloc(const struct lu_env *env,
if (m != NULL) {
int rc;
- l = &m->mdt_md_dev.md_lu_dev;
+ l = &m->mdt_lu_dev;
rc = mdt_init0(env, m, t, cfg);
if (rc != 0) {
mdt_device_free(env, l);
struct lprocfs_static_vars lvars;
int rc;
+ CLASSERT(sizeof("0x0123456789ABCDEF:0x01234567:0x01234567") ==
+ FID_NOBRACE_LEN + 1);
+ CLASSERT(sizeof("[0x0123456789ABCDEF:0x01234567:0x01234567]") ==
+ FID_LEN + 1);
rc = lu_kmem_init(mdt_caches);
if (rc)
return rc;