* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 only,
* as published by the Free Software Foundation.
-
+ *
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License version 2 for more details. A copy is
* included in the COPYING file that accompanied this code.
-
+ *
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
* Copyright 2009 Sun Microsystems, Inc. All rights reserved
* Use is subject to license terms.
*
- * Copyright (c) 2012, 2013, Intel Corporation.
+ * Copyright (c) 2012, 2014, Intel Corporation.
*/
/*
* lustre/lod/lod_object.c
static const char dot[] = ".";
static const char dotdot[] = "..";
-extern struct kmem_cache *lod_object_kmem;
static const struct dt_body_operations lod_body_lnk_ops;
/**
*
* \see dt_index_operations::dio_it.fini() in the API description for details.
*/
-void lod_it_fini(const struct lu_env *env, struct dt_it *di)
+static void lod_it_fini(const struct lu_env *env, struct dt_it *di)
{
struct lod_it *it = (struct lod_it *)di;
*
* \see dt_it_ops::get() in the API description for details.
*/
-int lod_it_get(const struct lu_env *env, struct dt_it *di,
- const struct dt_key *key)
+static int lod_it_get(const struct lu_env *env, struct dt_it *di,
+ const struct dt_key *key)
{
const struct lod_it *it = (const struct lod_it *)di;
*
* \see dt_it_ops::put() in the API description for details.
*/
-void lod_it_put(const struct lu_env *env, struct dt_it *di)
+static void lod_it_put(const struct lu_env *env, struct dt_it *di)
{
struct lod_it *it = (struct lod_it *)di;
*
* \see dt_it_ops::next() in the API description for details.
*/
-int lod_it_next(const struct lu_env *env, struct dt_it *di)
+static int lod_it_next(const struct lu_env *env, struct dt_it *di)
{
struct lod_it *it = (struct lod_it *)di;
*
* \see dt_it_ops::key() in the API description for details.
*/
-struct dt_key *lod_it_key(const struct lu_env *env, const struct dt_it *di)
+static struct dt_key *lod_it_key(const struct lu_env *env,
+ const struct dt_it *di)
{
const struct lod_it *it = (const struct lod_it *)di;
*
* \see dt_it_ops::key_size() in the API description for details.
*/
-int lod_it_key_size(const struct lu_env *env, const struct dt_it *di)
+static int lod_it_key_size(const struct lu_env *env, const struct dt_it *di)
{
struct lod_it *it = (struct lod_it *)di;
*
* \see dt_it_ops::rec() in the API description for details.
*/
-int lod_it_rec(const struct lu_env *env, const struct dt_it *di,
- struct dt_rec *rec, __u32 attr)
+static int lod_it_rec(const struct lu_env *env, const struct dt_it *di,
+ struct dt_rec *rec, __u32 attr)
{
const struct lod_it *it = (const struct lod_it *)di;
*
* \see dt_it_ops::rec_size() in the API description for details.
*/
-int lod_it_rec_size(const struct lu_env *env, const struct dt_it *di,
- __u32 attr)
+static int lod_it_rec_size(const struct lu_env *env, const struct dt_it *di,
+ __u32 attr)
{
const struct lod_it *it = (const struct lod_it *)di;
*
* \see dt_it_ops::store() in the API description for details.
*/
-__u64 lod_it_store(const struct lu_env *env, const struct dt_it *di)
+static __u64 lod_it_store(const struct lu_env *env, const struct dt_it *di)
{
const struct lod_it *it = (const struct lod_it *)di;
*
* \see dt_it_ops::load() in the API description for details.
*/
-int lod_it_load(const struct lu_env *env, const struct dt_it *di, __u64 hash)
+static int lod_it_load(const struct lu_env *env, const struct dt_it *di,
+ __u64 hash)
{
const struct lod_it *it = (const struct lod_it *)di;
*
* \see dt_it_ops::rec() in the API description for details.
*/
-int lod_it_key_rec(const struct lu_env *env, const struct dt_it *di,
- void *key_rec)
+static int lod_it_key_rec(const struct lu_env *env, const struct dt_it *di,
+ void *key_rec)
{
const struct lod_it *it = (const struct lod_it *)di;
/**
* Verify LVM EA.
*
- * Checks that the magic and the number of the stripes are sane.
+ * Checks that the magic of the stripe is sane.
*
* \param[in] lod lod device
* \param[in] lum a buffer storing LMV EA to verify
static int lod_verify_md_striping(struct lod_device *lod,
const struct lmv_user_md_v1 *lum)
{
- int rc = 0;
- ENTRY;
-
- if (unlikely(le32_to_cpu(lum->lum_magic) != LMV_USER_MAGIC))
- GOTO(out, rc = -EINVAL);
-
- if (unlikely(le32_to_cpu(lum->lum_stripe_count) == 0))
- GOTO(out, rc = -EINVAL);
-out:
- if (rc != 0)
+ if (unlikely(le32_to_cpu(lum->lum_magic) != LMV_USER_MAGIC)) {
CERROR("%s: invalid lmv_user_md: magic = %x, "
"stripe_offset = %d, stripe_count = %u: rc = %d\n",
lod2obd(lod)->obd_name, le32_to_cpu(lum->lum_magic),
(int)le32_to_cpu(lum->lum_stripe_offset),
- le32_to_cpu(lum->lum_stripe_count), rc);
- return rc;
+ le32_to_cpu(lum->lum_stripe_count), -EINVAL);
+ return -EINVAL;
+ }
+
+ return 0;
}
/**
* \retval 0 on success
* \retval negative if failed
*/
-int lod_prep_lmv_md(const struct lu_env *env, struct dt_object *dt,
- struct lu_buf *lmv_buf)
+static int lod_prep_lmv_md(const struct lu_env *env, struct dt_object *dt,
+ struct lu_buf *lmv_buf)
{
struct lod_thread_info *info = lod_env_info(env);
struct lod_device *lod = lu2lod_dev(dt->do_lu.lo_dev);
lmm1->lmv_master_mdt_index = cpu_to_le32(mdtidx);
lmv_buf->lb_buf = info->lti_ea_store;
lmv_buf->lb_len = sizeof(*lmm1);
- lo->ldo_dir_striping_cached = 1;
RETURN(rc);
}
struct dt_object *dto = stripe[i];
char *stripe_name = info->lti_key;
struct lu_name *sname;
- struct linkea_data ldata = { 0 };
+ struct linkea_data ldata = { NULL };
struct lu_buf linkea_buf;
rc = dt_declare_create(env, dto, attr, NULL, dof, th);
if (!dt_try_as_dir(env, dto))
GOTO(out_put, rc = -EINVAL);
+ rc = dt_declare_ref_add(env, dto, th);
+ if (rc != 0)
+ GOTO(out_put, rc);
+
rec->rec_fid = lu_object_fid(&dto->do_lu);
rc = dt_declare_insert(env, dto, (const struct dt_rec *)rec,
(const struct dt_key *)dot, th);
GOTO(out_put, rc);
/* probably nothing to inherite */
- if (lo->ldo_striping_cached &&
+ if (lo->ldo_def_striping_set &&
!LOVEA_DELETE_VALUES(lo->ldo_def_stripe_size,
lo->ldo_def_stripenr,
lo->ldo_def_stripe_offset,
*/
static void lod_lov_stripe_cache_clear(struct lod_object *lo)
{
- lo->ldo_striping_cached = 0;
lo->ldo_def_striping_set = 0;
+ lo->ldo_def_striping_cached = 0;
lod_object_set_pool(lo, NULL);
lo->ldo_def_stripe_size = 0;
lo->ldo_def_stripenr = 0;
if (lo->ldo_dir_stripe != NULL)
- lo->ldo_dir_striping_cached = 0;
+ lo->ldo_dir_def_striping_cached = 0;
}
/**
RETURN(-ENOMEM);
}
- l->ldo_dir_striping_cached = 0;
- l->ldo_dir_def_striping_set = 1;
- l->ldo_dir_def_stripenr = le32_to_cpu(lum->lum_stripe_count);
-
+ l->ldo_dir_def_striping_cached = 0;
RETURN(rc);
}
if (rc != 0)
RETURN(rc);
- attr->la_valid = LA_TYPE | LA_MODE;
+ attr->la_valid = LA_ATIME | LA_MTIME | LA_CTIME |
+ LA_MODE | LA_UID | LA_GID | LA_TYPE;
dof->dof_type = DFT_DIR;
rc = lod_prep_lmv_md(env, dt, &lmv_buf);
struct dt_object *dto;
char *stripe_name = info->lti_key;
struct lu_name *sname;
- struct linkea_data ldata = { 0 };
+ struct linkea_data ldata = { NULL };
struct lu_buf linkea_buf;
dto = lo->ldo_stripe[i];
dt_write_lock(env, dto, MOR_TGT_CHILD);
rc = dt_create(env, dto, attr, NULL, dof, th);
+ if (rc != 0) {
+ dt_write_unlock(env, dto);
+ RETURN(rc);
+ }
+
+ rc = dt_ref_add(env, dto, th);
dt_write_unlock(env, dto);
if (rc != 0)
RETURN(rc);
if (rc != 0)
RETURN(rc);
- if (lo->ldo_striping_cached &&
+ if (lo->ldo_def_striping_set &&
!LOVEA_DELETE_VALUES(lo->ldo_def_stripe_size,
lo->ldo_def_stripenr,
lo->ldo_def_stripe_offset,
* \retval 0 on success
* \retval negative if failed
*/
-int lod_dir_striping_create_internal(const struct lu_env *env,
- struct dt_object *dt,
- struct lu_attr *attr,
- struct dt_object_format *dof,
- struct thandle *th,
- bool declare)
+static int lod_dir_striping_create_internal(const struct lu_env *env,
+ struct dt_object *dt,
+ struct lu_attr *attr,
+ struct dt_object_format *dof,
+ struct thandle *th,
+ bool declare)
{
struct lod_thread_info *info = lod_env_info(env);
struct lod_object *lo = lod_dt_obj(dt);
}
/* Transfer default LMV striping from the parent */
- if (lo->ldo_dir_striping_cached &&
+ if (lo->ldo_dir_def_striping_set &&
!LMVEA_DELETE_VALUES(lo->ldo_dir_def_stripenr,
lo->ldo_dir_def_stripe_offset)) {
struct lmv_user_md_v1 *v1 = info->lti_ea_store;
}
/* Transfer default LOV striping from the parent */
- if (lo->ldo_striping_cached &&
+ if (lo->ldo_def_striping_set &&
!LOVEA_DELETE_VALUES(lo->ldo_def_stripe_size,
lo->ldo_def_stripenr,
lo->ldo_def_stripe_offset,
struct dt_object_format *dof,
struct thandle *th)
{
- return lod_dir_striping_create_internal(env, dt, attr, dof, th, false);
+ struct lod_object *lo = lod_dt_obj(dt);
+ int rc;
+
+ rc = lod_dir_striping_create_internal(env, dt, attr, dof, th, false);
+ if (rc == 0)
+ lo->ldo_striping_cached = 1;
+
+ return rc;
}
/**
struct dt_object *dt, const char *name,
struct thandle *th)
{
- return dt_declare_xattr_del(env, dt_object_child(dt), name, th);
+ struct lod_object *lo = lod_dt_obj(dt);
+ int rc;
+ int i;
+ ENTRY;
+
+ rc = dt_declare_xattr_del(env, dt_object_child(dt), name, th);
+ if (rc != 0)
+ RETURN(rc);
+
+ if (!S_ISDIR(dt->do_lu.lo_header->loh_attr))
+ RETURN(0);
+
+ /* set xattr to each stripes, if needed */
+ rc = lod_load_striping(env, lo);
+ if (rc != 0)
+ RETURN(rc);
+
+ if (lo->ldo_stripenr == 0)
+ RETURN(0);
+
+ for (i = 0; i < lo->ldo_stripenr; i++) {
+ LASSERT(lo->ldo_stripe[i]);
+ rc = dt_declare_xattr_del(env, lo->ldo_stripe[i], name, th);
+ if (rc != 0)
+ break;
+ }
+
+ RETURN(rc);
}
/**
const char *name, struct thandle *th,
struct lustre_capa *capa)
{
+ struct dt_object *next = dt_object_child(dt);
+ struct lod_object *lo = lod_dt_obj(dt);
+ int rc;
+ int i;
+ ENTRY;
+
if (!strcmp(name, XATTR_NAME_LOV))
lod_object_free_striping(env, lod_dt_obj(dt));
- return dt_xattr_del(env, dt_object_child(dt), name, th, capa);
+
+ rc = dt_xattr_del(env, next, name, th, capa);
+ if (rc != 0 || !S_ISDIR(dt->do_lu.lo_header->loh_attr))
+ RETURN(rc);
+
+ if (lo->ldo_stripenr == 0)
+ RETURN(0);
+
+ for (i = 0; i < lo->ldo_stripenr; i++) {
+ LASSERT(lo->ldo_stripe[i]);
+ rc = dt_xattr_del(env, lo->ldo_stripe[i], name, th, capa);
+ if (rc != 0)
+ break;
+ }
+
+ RETURN(rc);
}
/**
if (rc < (typeof(rc))sizeof(struct lov_user_md)) {
/* don't lookup for non-existing or invalid striping */
lp->ldo_def_striping_set = 0;
- lp->ldo_striping_cached = 1;
+ lp->ldo_def_striping_cached = 1;
lp->ldo_def_stripe_size = 0;
lp->ldo_def_stripenr = 0;
lp->ldo_def_stripe_offset = (typeof(v1->lmm_stripe_offset))(-1);
lp->ldo_def_stripenr = v1->lmm_stripe_count;
lp->ldo_def_stripe_size = v1->lmm_stripe_size;
lp->ldo_def_stripe_offset = v1->lmm_stripe_offset;
- lp->ldo_striping_cached = 1;
+ lp->ldo_def_striping_cached = 1;
lp->ldo_def_striping_set = 1;
if (v1->lmm_magic == LOV_USER_MAGIC_V3) {
/* XXX: sanity check here */
if (rc < (typeof(rc))sizeof(struct lmv_user_md)) {
/* don't lookup for non-existing or invalid striping */
lp->ldo_dir_def_striping_set = 0;
- lp->ldo_dir_striping_cached = 1;
+ lp->ldo_dir_def_striping_cached = 1;
lp->ldo_dir_def_stripenr = 0;
lp->ldo_dir_def_stripe_offset =
(typeof(v1->lum_stripe_offset))(-1);
lp->ldo_dir_def_stripe_offset = le32_to_cpu(v1->lum_stripe_offset);
lp->ldo_dir_def_hash_type = le32_to_cpu(v1->lum_hash_type);
lp->ldo_dir_def_striping_set = 1;
- lp->ldo_dir_striping_cached = 1;
+ lp->ldo_dir_def_striping_cached = 1;
EXIT;
unlock:
int rc = 0;
ENTRY;
- rc = lod_load_striping(env, lp);
- if (rc != 0)
- RETURN(rc);
-
- if (!lp->ldo_striping_cached) {
+ if (!lp->ldo_def_striping_cached) {
/* we haven't tried to get default striping for
* the directory yet, let's cache it in the object */
rc = lod_cache_parent_lov_striping(env, lp);
RETURN(rc);
}
- if (S_ISDIR(child_mode) && !lp->ldo_dir_striping_cached)
+ /* If the parent is on the remote MDT, we should always
+ * try to refresh the default stripeEA cache, because we
+ * do not cache default striping information for remote
+ * object. */
+ if (S_ISDIR(child_mode) && (!lp->ldo_dir_def_striping_cached ||
+ dt_object_remote(&lp->ldo_obj)))
rc = lod_cache_parent_lmv_striping(env, lp);
RETURN(rc);
return;
}
+ LASSERT(lp != NULL);
if (lp->ldo_dir_stripe == NULL) {
OBD_ALLOC_PTR(lp->ldo_dir_stripe);
if (lp->ldo_dir_stripe == NULL)
return;
/* transfer defaults to new directory */
- if (lp->ldo_striping_cached) {
+ if (lp->ldo_def_striping_set) {
if (lp->ldo_pool)
lod_object_set_pool(lc, lp->ldo_pool);
lc->ldo_def_stripenr = lp->ldo_def_stripenr;
lc->ldo_def_stripe_size = lp->ldo_def_stripe_size;
lc->ldo_def_stripe_offset = lp->ldo_def_stripe_offset;
- lc->ldo_striping_cached = 1;
lc->ldo_def_striping_set = 1;
+ lc->ldo_def_striping_cached = 1;
CDEBUG(D_OTHER, "inherite EA sz:%d off:%d nr:%d\n",
(int)lc->ldo_def_stripe_size,
(int)lc->ldo_def_stripe_offset,
}
/* transfer dir defaults to new directory */
- if (lp->ldo_dir_striping_cached) {
+ if (lp->ldo_dir_def_striping_set) {
lc->ldo_dir_def_stripenr = lp->ldo_dir_def_stripenr;
lc->ldo_dir_def_stripe_offset =
lp->ldo_dir_def_stripe_offset;
lc->ldo_dir_def_hash_type =
lp->ldo_dir_def_hash_type;
- lc->ldo_dir_striping_cached = 1;
lc->ldo_dir_def_striping_set = 1;
+ lc->ldo_dir_def_striping_cached = 1;
CDEBUG(D_INFO, "inherit default EA nr:%d off:%d t%u\n",
(int)lc->ldo_dir_def_stripenr,
(int)lc->ldo_dir_def_stripe_offset,
rc = lod_declare_striped_object(env, dt, attr,
NULL, th);
} else if (dof->dof_type == DFT_DIR) {
+ struct seq_server_site *ss;
+
+ ss = lu_site2seq(dt->do_lu.lo_dev->ld_site);
+
+ /* If the parent has default stripeEA, and client
+ * did not find it before sending create request,
+ * then MDT will return -EREMOTE, and client will
+ * retrieve the default stripeEA and re-create the
+ * sub directory.
+ *
+ * Note: if dah_eadata != NULL, it means creating the
+ * striped directory with specified stripeEA, then it
+ * should ignore the default stripeEA */
+ if ((hint == NULL || hint->dah_eadata == NULL) &&
+ lo->ldo_dir_stripe_offset != -1 &&
+ lo->ldo_dir_stripe_offset != ss->ss_node_id)
+ GOTO(out, rc = -EREMOTE);
+
/* Orphan object (like migrating object) does not have
* lod_dir_stripe, see lod_ah_init */
if (lo->ldo_dir_stripe != NULL)
if (rc)
break;
}
- if (rc == 0)
+
+ if (rc == 0) {
rc = lod_generate_and_set_lovea(env, lo, th);
+ if (rc == 0)
+ lo->ldo_striping_cached = 1;
+ }
RETURN(rc);
}
/* declare destroy all striped objects */
for (i = 0; i < lo->ldo_stripenr; i++) {
if (likely(lo->ldo_stripe[i] != NULL)) {
+ if (S_ISDIR(dt->do_lu.lo_header->loh_attr)) {
+ rc = dt_declare_ref_del(env, lo->ldo_stripe[i],
+ th);
+ if (rc != 0)
+ RETURN(rc);
+ }
+
rc = dt_declare_destroy(env, lo->ldo_stripe[i], th);
if (rc != 0)
break;
if (likely(lo->ldo_stripe[i] != NULL) &&
(!OBD_FAIL_CHECK(OBD_FAIL_LFSCK_LOST_SPEOBJ) ||
i == cfs_fail_val)) {
+ if (S_ISDIR(dt->do_lu.lo_header->loh_attr)) {
+ dt_write_lock(env, lo->ldo_stripe[i],
+ MOR_TGT_CHILD);
+ rc = dt_ref_del(env, lo->ldo_stripe[i], th);
+ dt_write_unlock(env, lo->ldo_stripe[i]);
+ if (rc != 0)
+ break;
+ }
+
rc = dt_destroy(env, lo->ldo_stripe[i], th);
if (rc != 0)
break;
lo->ldo_stripe = NULL;
lo->ldo_stripes_allocated = 0;
}
+ lo->ldo_striping_cached = 0;
lo->ldo_stripenr = 0;
lo->ldo_pattern = 0;
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff