* in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see [sun.com URL with a
- * copy of GPLv2].
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
static int __mdd_lookup(const struct lu_env *env, struct md_object *pobj,
const struct lu_name *lname, struct lu_fid* fid,
int mask);
+static int mdd_links_add(const struct lu_env *env,
+ struct mdd_object *mdd_obj,
+ const struct lu_fid *pfid,
+ const struct lu_name *lname,
+ struct thandle *handle);
+static int mdd_links_rename(const struct lu_env *env,
+ struct mdd_object *mdd_obj,
+ const struct lu_fid *oldpfid,
+ const struct lu_name *oldlname,
+ const struct lu_fid *newpfid,
+ const struct lu_name *newlname,
+ struct thandle *handle);
+
static int
__mdd_lookup_locked(const struct lu_env *env, struct md_object *pobj,
const struct lu_name *lname, struct lu_fid* fid, int mask)
{
- char *name = lname->ln_name;
+ const char *name = lname->ln_name;
struct mdd_object *mdd_obj = md2mdd_obj(pobj);
struct dynlock_handle *dlh;
int rc;
- dlh = mdd_pdo_read_lock(env, mdd_obj, name);
+ dlh = mdd_pdo_read_lock(env, mdd_obj, name, MOR_TGT_PARENT);
if (unlikely(dlh == NULL))
return -ENOMEM;
rc = __mdd_lookup(env, pobj, lname, fid, mask);
return rc;
}
-static int mdd_lookup(const struct lu_env *env,
- struct md_object *pobj, const struct lu_name *lname,
- struct lu_fid* fid, struct md_op_spec *spec)
+int mdd_lookup(const struct lu_env *env,
+ struct md_object *pobj, const struct lu_name *lname,
+ struct lu_fid* fid, struct md_op_spec *spec)
{
int rc;
ENTRY;
RETURN(rc);
}
-
static int mdd_parent_fid(const struct lu_env *env, struct mdd_object *obj,
struct lu_fid *fid)
{
}
/*
- * For root fid use special function, whcih does not compare version component
- * of fid. Vresion component is different for root fids on all MDTs.
+ * For root fid use special function, which does not compare version component
+ * of fid. Version component is different for root fids on all MDTs.
*/
-static int mdd_is_root(struct mdd_device *mdd, const struct lu_fid *fid)
+int mdd_is_root(struct mdd_device *mdd, const struct lu_fid *fid)
{
return fid_seq(&mdd->mdd_root_fid) == fid_seq(fid) &&
fid_oid(&mdd->mdd_root_fid) == fid_oid(fid);
{
struct dt_it *it;
struct dt_object *obj;
- struct dt_it_ops *iops;
+ const struct dt_it_ops *iops;
int result;
ENTRY;
RETURN(-ENOTDIR);
iops = &obj->do_index_ops->dio_it;
- it = iops->init(env, obj, 0, BYPASS_CAPA);
+ it = iops->init(env, obj, BYPASS_CAPA);
if (it != NULL) {
result = iops->get(env, it, (const void *)"");
if (result > 0) {
/*
* Subdir count limitation can be broken through.
- */
+ */
if (la->la_nlink >= m->mdd_dt_conf.ddp_max_nlink &&
!S_ISDIR(la->la_mode))
RETURN(-EMLINK);
if (check_perm)
rc = mdd_permission_internal_locked(env, pobj, NULL,
- MAY_WRITE | MAY_EXEC);
+ MAY_WRITE | MAY_EXEC,
+ MOR_TGT_PARENT);
if (!rc && check_nlink)
rc = __mdd_may_link(env, pobj);
RETURN(-EPERM);
rc = mdd_permission_internal_locked(env, pobj, NULL,
- MAY_WRITE | MAY_EXEC);
+ MAY_WRITE | MAY_EXEC,
+ MOR_TGT_PARENT);
if (rc)
RETURN(rc);
rc = mdd_la_get(env, pobj, tmp_la, BYPASS_CAPA);
if (rc)
return rc;
-
+
if (!(tmp_la->la_mode & S_ISVTX) ||
(tmp_la->la_uid == uc->mu_fsuid))
return 0;
}
rc = mdd_la_get(env, cobj, tmp_la, BYPASS_CAPA);
- if (rc)
+ if (rc)
return rc;
-
+
if (tmp_la->la_uid == uc->mu_fsuid)
return 0;
-
- return !mdd_capable(uc, CAP_FOWNER);
+
+ return !mdd_capable(uc, CFS_CAP_FOWNER);
}
/*
if (!mdd_object_exists(cobj))
RETURN(-ENOENT);
+ if (mdd_is_dead_obj(cobj))
+ RETURN(-ESTALE);
+
if (pobj) {
+ if (!mdd_object_exists(pobj))
+ RETURN(-ENOENT);
+
if (mdd_is_dead_obj(pobj))
RETURN(-ENOENT);
if (check_perm) {
rc = mdd_permission_internal_locked(env, pobj, NULL,
- MAY_WRITE | MAY_EXEC);
+ MAY_WRITE | MAY_EXEC,
+ MOR_TGT_PARENT);
if (rc)
RETURN(rc);
}
int rc = 0;
ENTRY;
+ if (!mdd_object_exists(src_obj))
+ RETURN(-ENOENT);
+
+ if (mdd_is_dead_obj(src_obj))
+ RETURN(-ESTALE);
+
/* Local ops, no lookup before link, check filename length here. */
if (lname && (lname->ln_namelen > m->mdd_dt_conf.ddp_max_name_len))
RETURN(-ENAMETOOLONG);
RETURN(rc);
}
-const struct dt_rec *__mdd_fid_rec(const struct lu_env *env,
- const struct lu_fid *fid)
-{
- struct lu_fid_pack *pack = &mdd_env_info(env)->mti_pack;
-
- fid_pack(pack, fid, &mdd_env_info(env)->mti_fid2);
- return (const struct dt_rec *)pack;
-}
-
/**
* If subdir count is up to ddp_max_nlink, then enable MNLINK_OBJ flag and
* assign i_nlink to 1 which means the i_nlink for subdir count is incredible
mdo_ref_del(env, obj, handle);
}
-/* insert named index, add reference if isdir */
-static int __mdd_index_insert(const struct lu_env *env, struct mdd_object *pobj,
- const struct lu_fid *lf, const char *name, int is_dir,
- struct thandle *handle, struct lustre_capa *capa)
+static int __mdd_index_delete_only(const struct lu_env *env, struct mdd_object *pobj,
+ const char *name, struct thandle *handle,
+ struct lustre_capa *capa)
+{
+ struct dt_object *next = mdd_object_child(pobj);
+ int rc;
+ ENTRY;
+
+ if (dt_try_as_dir(env, next)) {
+ rc = next->do_index_ops->dio_delete(env, next,
+ (struct dt_key *)name,
+ handle, capa);
+ } else
+ rc = -ENOTDIR;
+
+ RETURN(rc);
+}
+
+static int __mdd_index_insert_only(const struct lu_env *env,
+ struct mdd_object *pobj,
+ const struct lu_fid *lf, const char *name,
+ struct thandle *handle,
+ struct lustre_capa *capa)
{
struct dt_object *next = mdd_object_child(pobj);
int rc;
ENTRY;
if (dt_try_as_dir(env, next)) {
+ struct md_ucred *uc = md_ucred(env);
+
rc = next->do_index_ops->dio_insert(env, next,
__mdd_fid_rec(env, lf),
(const struct dt_key *)name,
- handle, capa);
+ handle, capa, uc->mu_cap &
+ CFS_CAP_SYS_RESOURCE_MASK);
} else {
rc = -ENOTDIR;
}
+ RETURN(rc);
+}
- if (rc == 0) {
- if (is_dir) {
- mdd_write_lock(env, pobj);
- __mdd_ref_add(env, pobj, handle);
- mdd_write_unlock(env, pobj);
- }
+/* insert named index, add reference if isdir */
+static int __mdd_index_insert(const struct lu_env *env, struct mdd_object *pobj,
+ const struct lu_fid *lf, const char *name, int is_dir,
+ struct thandle *handle, struct lustre_capa *capa)
+{
+ int rc;
+ ENTRY;
+
+ rc = __mdd_index_insert_only(env, pobj, lf, name, handle, capa);
+ if (rc == 0 && is_dir) {
+ mdd_write_lock(env, pobj, MOR_TGT_PARENT);
+ __mdd_ref_add(env, pobj, handle);
+ mdd_write_unlock(env, pobj);
}
RETURN(rc);
}
const char *name, int is_dir, struct thandle *handle,
struct lustre_capa *capa)
{
- struct dt_object *next = mdd_object_child(pobj);
int rc;
ENTRY;
- if (dt_try_as_dir(env, next)) {
- rc = next->do_index_ops->dio_delete(env, next,
- (struct dt_key *)name,
- handle, capa);
- if (rc == 0 && is_dir) {
- int is_dot = 0;
-
- if (name != NULL && name[0] == '.' && name[1] == 0)
- is_dot = 1;
- mdd_write_lock(env, pobj);
- __mdd_ref_del(env, pobj, handle, is_dot);
- mdd_write_unlock(env, pobj);
- }
- } else
- rc = -ENOTDIR;
+ rc = __mdd_index_delete_only(env, pobj, name, handle, capa);
+ if (rc == 0 && is_dir) {
+ int is_dot = 0;
+
+ if (name != NULL && name[0] == '.' && name[1] == 0)
+ is_dot = 1;
+ mdd_write_lock(env, pobj, MOR_TGT_PARENT);
+ __mdd_ref_del(env, pobj, handle, is_dot);
+ mdd_write_unlock(env, pobj);
+ }
RETURN(rc);
}
-static int
-__mdd_index_insert_only(const struct lu_env *env, struct mdd_object *pobj,
- const struct lu_fid *lf, const char *name,
- struct thandle *handle, struct lustre_capa *capa)
+
+/** Store a namespace change changelog record
+ * If this fails, we must fail the whole transaction; we don't
+ * want the change to commit without the log entry.
+ * \param target - mdd_object of change
+ * \param parent - parent dir/object
+ * \param tf - target lu_fid, overrides fid of \a target if this is non-null
+ * \param tname - target name string
+ * \param handle - transacion handle
+ */
+static int mdd_changelog_ns_store(const struct lu_env *env,
+ struct mdd_device *mdd,
+ enum changelog_rec_type type,
+ struct mdd_object *target,
+ struct mdd_object *parent,
+ const struct lu_fid *tf,
+ const struct lu_name *tname,
+ struct thandle *handle)
{
- struct dt_object *next = mdd_object_child(pobj);
- int rc;
+ const struct lu_fid *tfid;
+ const struct lu_fid *tpfid = mdo2fid(parent);
+ struct llog_changelog_rec *rec;
+ struct lu_buf *buf;
+ int reclen;
+ int rc;
ENTRY;
- if (dt_try_as_dir(env, next)) {
- rc = next->do_index_ops->dio_insert(env, next,
- __mdd_fid_rec(env, lf),
- (const struct dt_key *)name,
- handle, capa);
- } else {
- rc = -ENOTDIR;
+ if (!(mdd->mdd_cl.mc_flags & CLM_ON))
+ RETURN(0);
+
+ LASSERT(parent != NULL);
+ LASSERT(tname != NULL);
+ LASSERT(handle != NULL);
+
+ /* target */
+ reclen = llog_data_len(sizeof(*rec) + tname->ln_namelen);
+ buf = mdd_buf_alloc(env, reclen);
+ if (buf->lb_buf == NULL)
+ RETURN(-ENOMEM);
+ rec = (struct llog_changelog_rec *)buf->lb_buf;
+
+ rec->cr_flags = CLF_VERSION;
+ rec->cr_type = (__u32)type;
+ tfid = tf ? tf : mdo2fid(target);
+ rec->cr_tfid = *tfid;
+ rec->cr_pfid = *tpfid;
+ rec->cr_namelen = tname->ln_namelen;
+ memcpy(rec->cr_name, tname->ln_name, rec->cr_namelen);
+ if (likely(target))
+ target->mod_cltime = cfs_time_current_64();
+
+ rc = mdd_changelog_llog_write(mdd, rec, handle);
+ if (rc < 0) {
+ CERROR("changelog failed: rc=%d, op%d %s c"DFID" p"DFID"\n",
+ rc, type, tname->ln_name, PFID(tfid), PFID(tpfid));
+ return -EFAULT;
}
- RETURN(rc);
+
+ return 0;
}
static int mdd_link(const struct lu_env *env, struct md_object *tgt_obj,
struct md_object *src_obj, const struct lu_name *lname,
struct md_attr *ma)
{
- char *name = lname->ln_name;
+ const char *name = lname->ln_name;
struct lu_attr *la = &mdd_env_info(env)->mti_la_for_fix;
struct mdd_object *mdd_tobj = md2mdd_obj(tgt_obj);
struct mdd_object *mdd_sobj = md2mdd_obj(src_obj);
struct mdd_device *mdd = mdo2mdd(src_obj);
struct dynlock_handle *dlh;
struct thandle *handle;
+#ifdef HAVE_QUOTA_SUPPORT
+ struct obd_device *obd = mdd->mdd_obd_dev;
+ struct mds_obd *mds = &obd->u.mds;
+ unsigned int qids[MAXQUOTAS] = { 0, 0 };
+ int quota_opc = 0, rec_pending[MAXQUOTAS] = { 0, 0 };
+#endif
int rc;
ENTRY;
+#ifdef HAVE_QUOTA_SUPPORT
+ if (mds->mds_quota) {
+ struct lu_attr *la_tmp = &mdd_env_info(env)->mti_la;
+
+ rc = mdd_la_get(env, mdd_tobj, la_tmp, BYPASS_CAPA);
+ if (!rc) {
+ void *data = NULL;
+ mdd_data_get(env, mdd_tobj, &data);
+ quota_opc = FSFILT_OP_LINK;
+ mdd_quota_wrapper(la_tmp, qids);
+ /* get block quota for parent */
+ lquota_chkquota(mds_quota_interface_ref, obd,
+ qids, rec_pending, 1, NULL,
+ LQUOTA_FLAGS_BLK, data, 1);
+ }
+ }
+#endif
+
mdd_txn_param_build(env, mdd, MDD_TXN_LINK_OP);
handle = mdd_trans_start(env, mdd);
if (IS_ERR(handle))
- RETURN(PTR_ERR(handle));
+ GOTO(out_pending, rc = PTR_ERR(handle));
- dlh = mdd_pdo_write_lock(env, mdd_tobj, name);
+ dlh = mdd_pdo_write_lock(env, mdd_tobj, name, MOR_TGT_CHILD);
if (dlh == NULL)
GOTO(out_trans, rc = -ENOMEM);
- mdd_write_lock(env, mdd_sobj);
+ mdd_write_lock(env, mdd_sobj, MOR_TGT_CHILD);
rc = mdd_link_sanity_check(env, mdd_tobj, lname, mdd_sobj);
if (rc)
la->la_valid = LA_CTIME;
rc = mdd_attr_check_set_internal(env, mdd_sobj, la, handle, 0);
+ if (rc == 0)
+ mdd_links_add(env, mdd_sobj, mdo2fid(mdd_tobj), lname, handle);
+
EXIT;
out_unlock:
mdd_write_unlock(env, mdd_sobj);
mdd_pdo_write_unlock(env, mdd_tobj, dlh);
out_trans:
+ if (rc == 0)
+ rc = mdd_changelog_ns_store(env, mdd, CL_HARDLINK, mdd_sobj,
+ mdd_tobj, NULL, lname, handle);
mdd_trans_stop(env, mdd, rc, handle);
+out_pending:
+#ifdef HAVE_QUOTA_SUPPORT
+ if (quota_opc) {
+ lquota_pending_commit(mds_quota_interface_ref, obd,
+ qids, rec_pending, 1);
+ /* Trigger dqacq for the parent owner. If failed,
+ * the next call for lquota_chkquota will process it. */
+ lquota_adjust(mds_quota_interface_ref, obd, 0, qids, rc,
+ quota_opc);
+ }
+#endif
return rc;
}
struct thandle *th)
{
int rc;
+ int reset = 1;
ENTRY;
rc = mdd_iattr_get(env, obj, ma);
if (rc == 0 && ma->ma_attr.la_nlink == 0) {
/* add new orphan and the object
- * will be deleted during the object_put() */
- if (__mdd_orphan_add(env, obj, th) == 0)
- obj->mod_flags |= ORPHAN_OBJ;
+ * will be deleted during mdd_close() */
+ if (obj->mod_count) {
+ rc = __mdd_orphan_add(env, obj, th);
+ if (rc == 0) {
+ obj->mod_flags |= ORPHAN_OBJ;
+ CDEBUG(D_HA, "Object "DFID" is going to be "
+ "an orphan, open count = %d\n",
+ PFID(mdd_object_fid(obj)),
+ obj->mod_count);
+ }
+ }
obj->mod_flags |= DEAD_OBJ;
- if (obj->mod_count == 0)
+ if (!(obj->mod_flags & ORPHAN_OBJ)) {
rc = mdd_object_kill(env, obj, ma);
- else
- /* clear MA_LOV | MA_COOKIE, if we do not
- * unlink it in case we get it somewhere */
- ma->ma_valid &= ~(MA_LOV | MA_COOKIE);
- } else
+ if (rc == 0)
+ reset = 0;
+ }
+
+ }
+ if (reset)
ma->ma_valid &= ~(MA_LOV | MA_COOKIE);
RETURN(rc);
struct md_object *cobj, const struct lu_name *lname,
struct md_attr *ma)
{
- char *name = lname->ln_name;
+ const char *name = lname->ln_name;
struct lu_attr *la = &mdd_env_info(env)->mti_la_for_fix;
struct mdd_object *mdd_pobj = md2mdd_obj(pobj);
struct mdd_object *mdd_cobj = md2mdd_obj(cobj);
struct mdd_device *mdd = mdo2mdd(pobj);
struct dynlock_handle *dlh;
struct thandle *handle;
- int rc, is_dir;
+#ifdef HAVE_QUOTA_SUPPORT
+ struct obd_device *obd = mdd->mdd_obd_dev;
+ struct mds_obd *mds = &obd->u.mds;
+ unsigned int qcids[MAXQUOTAS] = { 0, 0 };
+ unsigned int qpids[MAXQUOTAS] = { 0, 0 };
+ int quota_opc = 0;
+#endif
+ int is_dir = S_ISDIR(ma->ma_attr.la_mode);
+ int rc;
ENTRY;
LASSERTF(mdd_object_exists(mdd_cobj) > 0, "FID is "DFID"\n",
if (IS_ERR(handle))
RETURN(PTR_ERR(handle));
-
- dlh = mdd_pdo_write_lock(env, mdd_pobj, name);
+ dlh = mdd_pdo_write_lock(env, mdd_pobj, name, MOR_TGT_PARENT);
if (dlh == NULL)
GOTO(out_trans, rc = -ENOMEM);
- mdd_write_lock(env, mdd_cobj);
+ mdd_write_lock(env, mdd_cobj, MOR_TGT_CHILD);
- is_dir = S_ISDIR(ma->ma_attr.la_mode);
rc = mdd_unlink_sanity_check(env, mdd_pobj, mdd_cobj, ma);
if (rc)
GOTO(cleanup, rc);
GOTO(cleanup, rc);
rc = mdd_finish_unlink(env, mdd_cobj, ma, handle);
+#ifdef HAVE_QUOTA_SUPPORT
+ if (mds->mds_quota && ma->ma_valid & MA_INODE &&
+ ma->ma_attr.la_nlink == 0) {
+ struct lu_attr *la_tmp = &mdd_env_info(env)->mti_la;
+
+ rc = mdd_la_get(env, mdd_pobj, la_tmp, BYPASS_CAPA);
+ if (!rc) {
+ mdd_quota_wrapper(la_tmp, qpids);
+ if (mdd_cobj->mod_count == 0) {
+ quota_opc = FSFILT_OP_UNLINK;
+ mdd_quota_wrapper(&ma->ma_attr, qcids);
+ } else {
+ quota_opc = FSFILT_OP_UNLINK_PARTIAL_PARENT;
+ }
+ }
+ }
+#endif
if (rc == 0)
obd_set_info_async(mdd2obd_dev(mdd)->u.mds.mds_osc_exp,
sizeof(KEY_UNLINKED), KEY_UNLINKED, 0,
NULL, NULL);
+ if (!is_dir)
+ /* old files may not have link ea; ignore errors */
+ mdd_links_rename(env, mdd_cobj, mdo2fid(mdd_pobj),
+ lname, NULL, NULL, handle);
+
EXIT;
cleanup:
mdd_write_unlock(env, mdd_cobj);
mdd_pdo_write_unlock(env, mdd_pobj, dlh);
out_trans:
+ if (rc == 0)
+ rc = mdd_changelog_ns_store(env, mdd,
+ is_dir ? CL_RMDIR : CL_UNLINK,
+ mdd_cobj, mdd_pobj, NULL, lname,
+ handle);
+
mdd_trans_stop(env, mdd, rc, handle);
+#ifdef HAVE_QUOTA_SUPPORT
+ if (quota_opc)
+ /* Trigger dqrel on the owner of child and parent. If failed,
+ * the next call for lquota_chkquota will process it. */
+ lquota_adjust(mds_quota_interface_ref, obd, qcids, qpids, rc,
+ quota_opc);
+#endif
return rc;
}
const struct lu_fid *fid,
const struct md_attr *ma)
{
- char *name = lname->ln_name;
+ const char *name = lname->ln_name;
struct lu_attr *la = &mdd_env_info(env)->mti_la_for_fix;
struct mdd_object *mdd_obj = md2mdd_obj(pobj);
struct mdd_device *mdd = mdo2mdd(pobj);
struct dynlock_handle *dlh;
struct thandle *handle;
int is_dir = S_ISDIR(ma->ma_attr.la_mode);
+#ifdef HAVE_QUOTA_SUPPORT
+ struct md_ucred *uc = md_ucred(env);
+ struct obd_device *obd = mdd->mdd_obd_dev;
+ struct mds_obd *mds = &obd->u.mds;
+ unsigned int qids[MAXQUOTAS] = { 0, 0 };
+ int quota_opc = 0, rec_pending[MAXQUOTAS] = { 0, 0 };
+ cfs_cap_t save = uc->mu_cap;
+#endif
int rc;
ENTRY;
+#ifdef HAVE_QUOTA_SUPPORT
+ if (mds->mds_quota) {
+ if (!(ma->ma_attr_flags & MDS_QUOTA_IGNORE)) {
+ struct lu_attr *la_tmp = &mdd_env_info(env)->mti_la;
+
+ rc = mdd_la_get(env, mdd_obj, la_tmp, BYPASS_CAPA);
+ if (!rc) {
+ void *data = NULL;
+ mdd_data_get(env, mdd_obj, &data);
+ quota_opc = FSFILT_OP_LINK;
+ mdd_quota_wrapper(la_tmp, qids);
+ /* get block quota for parent */
+ lquota_chkquota(mds_quota_interface_ref, obd,
+ qids, rec_pending, 1, NULL,
+ LQUOTA_FLAGS_BLK, data, 1);
+ }
+ } else {
+ uc->mu_cap |= CFS_CAP_SYS_RESOURCE_MASK;
+ }
+ }
+#endif
mdd_txn_param_build(env, mdd, MDD_TXN_INDEX_INSERT_OP);
handle = mdd_trans_start(env, mdo2mdd(pobj));
if (IS_ERR(handle))
- RETURN(PTR_ERR(handle));
+ GOTO(out_pending, rc = PTR_ERR(handle));
- dlh = mdd_pdo_write_lock(env, mdd_obj, name);
+ dlh = mdd_pdo_write_lock(env, mdd_obj, name, MOR_TGT_PARENT);
if (dlh == NULL)
GOTO(out_trans, rc = -ENOMEM);
mdd_pdo_write_unlock(env, mdd_obj, dlh);
out_trans:
mdd_trans_stop(env, mdo2mdd(pobj), rc, handle);
+out_pending:
+#ifdef HAVE_QUOTA_SUPPORT
+ if (mds->mds_quota) {
+ if (quota_opc) {
+ lquota_pending_commit(mds_quota_interface_ref,
+ obd, qids, rec_pending, 1);
+ /* Trigger dqacq for the parent owner. If failed,
+ * the next call for lquota_chkquota will process it*/
+ lquota_adjust(mds_quota_interface_ref, obd, 0, qids,
+ rc, quota_opc);
+ } else {
+ uc->mu_cap = save;
+ }
+ }
+#endif
return rc;
}
const struct lu_name *lname,
const struct md_attr *ma)
{
- char *name = lname->ln_name;
+ const char *name = lname->ln_name;
struct lu_attr *la = &mdd_env_info(env)->mti_la_for_fix;
struct mdd_object *mdd_obj = md2mdd_obj(pobj);
struct mdd_device *mdd = mdo2mdd(pobj);
struct dynlock_handle *dlh;
struct thandle *handle;
int is_dir = S_ISDIR(ma->ma_attr.la_mode);
+#ifdef HAVE_QUOTA_SUPPORT
+ struct obd_device *obd = mdd->mdd_obd_dev;
+ struct mds_obd *mds = &obd->u.mds;
+ unsigned int qids[MAXQUOTAS] = { 0, 0 };
+ int quota_opc = 0;
+#endif
int rc;
ENTRY;
+#ifdef HAVE_QUOTA_SUPPORT
+ if (mds->mds_quota) {
+ struct lu_attr *la_tmp = &mdd_env_info(env)->mti_la;
+
+ rc = mdd_la_get(env, mdd_obj, la_tmp, BYPASS_CAPA);
+ if (!rc) {
+ quota_opc = FSFILT_OP_UNLINK_PARTIAL_PARENT;
+ mdd_quota_wrapper(la_tmp, qids);
+ }
+ }
+#endif
mdd_txn_param_build(env, mdd, MDD_TXN_INDEX_DELETE_OP);
handle = mdd_trans_start(env, mdd);
if (IS_ERR(handle))
- RETURN(PTR_ERR(handle));
+ GOTO(out_pending, rc = PTR_ERR(handle));
- dlh = mdd_pdo_write_lock(env, mdd_obj, name);
+ dlh = mdd_pdo_write_lock(env, mdd_obj, name, MOR_TGT_PARENT);
if (dlh == NULL)
GOTO(out_trans, rc = -ENOMEM);
mdd_pdo_write_unlock(env, mdd_obj, dlh);
out_trans:
mdd_trans_stop(env, mdd, rc, handle);
+out_pending:
+#ifdef HAVE_QUOTA_SUPPORT
+ /* Trigger dqrel for the parent owner.
+ * If failed, the next call for lquota_chkquota will process it. */
+ if (quota_opc)
+ lquota_adjust(mds_quota_interface_ref, obd, 0, qids, rc,
+ quota_opc);
+#endif
return rc;
}
* processed in cmr_rename_tgt before mdd_rename_tgt and enable
* MDS_PERM_BYPASS.
* So check may_delete, but not check nlink of tgt_pobj. */
- LASSERT(tobj);
+
rc = mdd_may_delete(env, tgt_pobj, tobj, ma, 1, 1);
RETURN(rc);
}
+/* Partial rename op on slave MDD */
static int mdd_rename_tgt(const struct lu_env *env,
struct md_object *pobj, struct md_object *tobj,
const struct lu_fid *lf, const struct lu_name *lname,
struct md_attr *ma)
{
- char *name = lname->ln_name;
+ const char *name = lname->ln_name;
struct lu_attr *la = &mdd_env_info(env)->mti_la_for_fix;
struct mdd_object *mdd_tpobj = md2mdd_obj(pobj);
struct mdd_object *mdd_tobj = md2mdd_obj(tobj);
struct mdd_device *mdd = mdo2mdd(pobj);
struct dynlock_handle *dlh;
struct thandle *handle;
+#ifdef HAVE_QUOTA_SUPPORT
+ struct obd_device *obd = mdd->mdd_obd_dev;
+ struct mds_obd *mds = &obd->u.mds;
+ unsigned int qcids[MAXQUOTAS] = { 0, 0 };
+ unsigned int qpids[MAXQUOTAS] = { 0, 0 };
+ int quota_copc = 0, quota_popc = 0;
+ int rec_pending[MAXQUOTAS] = { 0, 0 };
+#endif
int rc;
ENTRY;
+#ifdef HAVE_QUOTA_SUPPORT
+ if (mds->mds_quota && !tobj) {
+ struct lu_attr *la_tmp = &mdd_env_info(env)->mti_la;
+
+ rc = mdd_la_get(env, mdd_tpobj, la_tmp, BYPASS_CAPA);
+ if (!rc) {
+ void *data = NULL;
+ mdd_data_get(env, mdd_tpobj, &data);
+ quota_popc = FSFILT_OP_LINK;
+ mdd_quota_wrapper(la_tmp, qpids);
+ /* get block quota for target parent */
+ lquota_chkquota(mds_quota_interface_ref, obd,
+ qpids, rec_pending, 1, NULL,
+ LQUOTA_FLAGS_BLK, data, 1);
+ }
+ }
+#endif
mdd_txn_param_build(env, mdd, MDD_TXN_RENAME_TGT_OP);
handle = mdd_trans_start(env, mdd);
if (IS_ERR(handle))
- RETURN(PTR_ERR(handle));
+ GOTO(out_pending, rc = PTR_ERR(handle));
- dlh = mdd_pdo_write_lock(env, mdd_tpobj, name);
+ dlh = mdd_pdo_write_lock(env, mdd_tpobj, name, MOR_TGT_PARENT);
if (dlh == NULL)
GOTO(out_trans, rc = -ENOMEM);
if (tobj)
- mdd_write_lock(env, mdd_tobj);
+ mdd_write_lock(env, mdd_tobj, MOR_TGT_CHILD);
rc = mdd_rt_sanity_check(env, mdd_tpobj, mdd_tobj, ma);
if (rc)
if (rc)
GOTO(cleanup, rc);
- /*
+ /*
* For tobj is remote case cmm layer has processed
* and pass NULL tobj to here. So when tobj is NOT NULL,
* it must be local one.
rc = mdd_finish_unlink(env, mdd_tobj, ma, handle);
if (rc)
GOTO(cleanup, rc);
+
+#ifdef HAVE_QUOTA_SUPPORT
+ if (mds->mds_quota && ma->ma_valid & MA_INODE &&
+ ma->ma_attr.la_nlink == 0 && mdd_tobj->mod_count == 0) {
+ quota_copc = FSFILT_OP_UNLINK_PARTIAL_CHILD;
+ mdd_quota_wrapper(&ma->ma_attr, qcids);
+ }
+#endif
}
EXIT;
cleanup:
mdd_write_unlock(env, mdd_tobj);
mdd_pdo_write_unlock(env, mdd_tpobj, dlh);
out_trans:
+ if (rc == 0)
+ /* Bare EXT record with no RENAME in front of it signifies
+ a partial slave op */
+ rc = mdd_changelog_ns_store(env, mdd, CL_EXT, mdd_tobj,
+ mdd_tpobj, NULL, lname, handle);
+
mdd_trans_stop(env, mdd, rc, handle);
+out_pending:
+#ifdef HAVE_QUOTA_SUPPORT
+ if (mds->mds_quota) {
+ if (quota_popc)
+ lquota_pending_commit(mds_quota_interface_ref, obd,
+ qpids, rec_pending, 1);
+
+ if (quota_copc)
+ /* Trigger dqrel on the target owner of child.
+ * If failed, the next call for lquota_chkquota
+ * will process it. */
+ lquota_adjust(mds_quota_interface_ref, obd, qcids, qpids,
+ rc, quota_copc);
+ }
+#endif
return rc;
}
if (!md_should_create(spec->sp_cr_flags))
RETURN(0);
-
+ lmm_size = ma->ma_lmm_size;
rc = mdd_lov_create(env, mdd, mdd_pobj, son, &lmm, &lmm_size,
spec, attr);
if (rc)
/* Replay creates has objects already */
#if 0
- if (spec->u.sp_ea.no_lov_create) {
+ if (spec->no_create) {
CDEBUG(D_INFO, "we already have lov ea\n");
rc = mdd_lov_set_md(env, mdd_pobj, son,
(struct lov_mds_md *)spec->u.sp_ea.eadata,
RETURN(rc);
}
+/* Get fid from name and parent */
static int
__mdd_lookup(const struct lu_env *env, struct md_object *pobj,
const struct lu_name *lname, struct lu_fid* fid, int mask)
{
- char *name = lname->ln_name;
+ const char *name = lname->ln_name;
const struct dt_key *key = (const struct dt_key *)name;
struct mdd_object *mdd_obj = md2mdd_obj(pobj);
struct mdd_device *m = mdo2mdd(pobj);
if (unlikely(lname->ln_namelen > m->mdd_dt_conf.ddp_max_name_len))
RETURN(-ENAMETOOLONG);
- rc = mdd_permission_internal_locked(env, mdd_obj, NULL, mask);
+ rc = mdd_permission_internal_locked(env, mdd_obj, NULL, mask,
+ MOR_TGT_PARENT);
if (rc)
RETURN(rc);
if (likely(S_ISDIR(mdd_object_type(mdd_obj)) &&
dt_try_as_dir(env, dir))) {
+
rc = dir->do_index_ops->dio_lookup(env, dir,
(struct dt_rec *)pack, key,
mdd_object_capa(env, mdd_obj));
- if (rc == 0)
+ if (rc > 0)
rc = fid_unpack(pack, fid);
+ else if (rc == 0)
+ rc = -ENOENT;
} else
rc = -ENOTDIR;
}
int mdd_object_initialize(const struct lu_env *env, const struct lu_fid *pfid,
- struct mdd_object *child, struct md_attr *ma,
- struct thandle *handle)
+ const struct lu_name *lname, struct mdd_object *child,
+ struct md_attr *ma, struct thandle *handle,
+ const struct md_op_spec *spec)
{
int rc;
ENTRY;
}
}
}
+ if (rc == 0)
+ mdd_links_add(env, child, pfid, lname, handle);
+
RETURN(rc);
}
* EXEC permission have been checked
* when lookup before create already.
*/
- rc = mdd_permission_internal_locked(env, obj, NULL, MAY_WRITE);
+ rc = mdd_permission_internal_locked(env, obj, NULL, MAY_WRITE,
+ MOR_TGT_PARENT);
if (rc)
RETURN(rc);
}
struct md_op_spec *spec,
struct md_attr* ma)
{
- char *name = lname->ln_name;
- struct lu_attr *la = &mdd_env_info(env)->mti_la_for_fix;
- struct mdd_object *mdd_pobj = md2mdd_obj(pobj);
- struct mdd_object *son = md2mdd_obj(child);
- struct mdd_device *mdd = mdo2mdd(pobj);
- struct lu_attr *attr = &ma->ma_attr;
- struct lov_mds_md *lmm = NULL;
- struct thandle *handle;
+ struct mdd_thread_info *info = mdd_env_info(env);
+ struct lu_attr *la = &info->mti_la_for_fix;
+ struct md_attr *ma_acl = &info->mti_ma;
+ struct mdd_object *mdd_pobj = md2mdd_obj(pobj);
+ struct mdd_object *son = md2mdd_obj(child);
+ struct mdd_device *mdd = mdo2mdd(pobj);
+ struct lu_attr *attr = &ma->ma_attr;
+ struct lov_mds_md *lmm = NULL;
+ struct thandle *handle;
+ struct dynlock_handle *dlh;
+ const char *name = lname->ln_name;
int rc, created = 0, initialized = 0, inserted = 0, lmm_size = 0;
- struct dynlock_handle *dlh;
+ int got_def_acl = 0;
+#ifdef HAVE_QUOTA_SUPPORT
+ struct obd_device *obd = mdd->mdd_obd_dev;
+ struct mds_obd *mds = &obd->u.mds;
+ unsigned int qcids[MAXQUOTAS] = { 0, 0 };
+ unsigned int qpids[MAXQUOTAS] = { 0, 0 };
+ int quota_opc = 0, block_count = 0;
+ int inode_pending[MAXQUOTAS] = { 0, 0 };
+ int block_pending[MAXQUOTAS] = { 0, 0 };
+ int parent_pending[MAXQUOTAS] = { 0, 0 };
+#endif
ENTRY;
/*
* Two operations have to be performed:
*
- * - allocation of new object (->do_create()), and
+ * - an allocation of a new object (->do_create()), and
*
- * - insertion into parent index (->dio_insert()).
+ * - an insertion into a parent index (->dio_insert()).
*
* Due to locking, operation order is not important, when both are
* successful, *but* error handling cases are quite different:
if (rc)
RETURN(rc);
+#ifdef HAVE_QUOTA_SUPPORT
+ if (mds->mds_quota) {
+ struct lu_attr *la_tmp = &mdd_env_info(env)->mti_la;
+
+ rc = mdd_la_get(env, mdd_pobj, la_tmp, BYPASS_CAPA);
+ if (!rc) {
+ int same = 0;
+
+ quota_opc = FSFILT_OP_CREATE;
+ mdd_quota_wrapper(&ma->ma_attr, qcids);
+ mdd_quota_wrapper(la_tmp, qpids);
+ /* get file quota for child */
+ lquota_chkquota(mds_quota_interface_ref, obd, qcids,
+ inode_pending, 1, NULL, 0, NULL, 0);
+ switch (ma->ma_attr.la_mode & S_IFMT) {
+ case S_IFLNK:
+ case S_IFDIR:
+ block_count = 2;
+ break;
+ case S_IFREG:
+ block_count = 1;
+ break;
+ }
+ if (qcids[USRQUOTA] == qpids[USRQUOTA] &&
+ qcids[GRPQUOTA] == qpids[GRPQUOTA]) {
+ block_count += 1;
+ same = 1;
+ }
+ /* get block quota for child and parent */
+ if (block_count)
+ lquota_chkquota(mds_quota_interface_ref, obd,
+ qcids, block_pending,
+ block_count, NULL,
+ LQUOTA_FLAGS_BLK, NULL, 0);
+ if (!same)
+ lquota_chkquota(mds_quota_interface_ref, obd,
+ qpids, parent_pending, 1, NULL,
+ LQUOTA_FLAGS_BLK, NULL, 0);
+ }
+ }
+#endif
+
/*
* No RPC inside the transaction, so OST objects should be created at
* first.
*/
if (S_ISREG(attr->la_mode)) {
+ lmm_size = ma->ma_lmm_size;
rc = mdd_lov_create(env, mdd, mdd_pobj, son, &lmm, &lmm_size,
spec, attr);
if (rc)
- RETURN(rc);
+ GOTO(out_pending, rc);
+ }
+
+ if (!S_ISLNK(attr->la_mode)) {
+ ma_acl->ma_acl_size = sizeof info->mti_xattr_buf;
+ ma_acl->ma_acl = info->mti_xattr_buf;
+ ma_acl->ma_need = MA_ACL_DEF;
+ ma_acl->ma_valid = 0;
+
+ mdd_read_lock(env, mdd_pobj, MOR_TGT_PARENT);
+ rc = mdd_def_acl_get(env, mdd_pobj, ma_acl);
+ mdd_read_unlock(env, mdd_pobj);
+ if (rc)
+ GOTO(out_free, rc);
+ else if (ma_acl->ma_valid & MA_ACL_DEF)
+ got_def_acl = 1;
}
mdd_txn_param_build(env, mdd, MDD_TXN_MKDIR_OP);
if (IS_ERR(handle))
GOTO(out_free, rc = PTR_ERR(handle));
- dlh = mdd_pdo_write_lock(env, mdd_pobj, name);
+ dlh = mdd_pdo_write_lock(env, mdd_pobj, name, MOR_TGT_PARENT);
if (dlh == NULL)
GOTO(out_trans, rc = -ENOMEM);
- /*
- * XXX: Check that link can be added to the parent in mkdir case.
- */
-
- mdd_write_lock(env, son);
- rc = mdd_object_create_internal(env, mdd_pobj, son, ma, handle);
+ mdd_write_lock(env, son, MOR_TGT_CHILD);
+ rc = mdd_object_create_internal(env, mdd_pobj, son, ma, handle, spec);
if (rc) {
mdd_write_unlock(env, son);
GOTO(cleanup, rc);
created = 1;
#ifdef CONFIG_FS_POSIX_ACL
- mdd_read_lock(env, mdd_pobj);
- rc = mdd_acl_init(env, mdd_pobj, son, &ma->ma_attr.la_mode, handle);
- mdd_read_unlock(env, mdd_pobj);
- if (rc) {
- mdd_write_unlock(env, son);
- GOTO(cleanup, rc);
- } else {
- ma->ma_attr.la_valid |= LA_MODE;
+ if (got_def_acl) {
+ struct lu_buf *acl_buf = &info->mti_buf;
+ acl_buf->lb_buf = ma_acl->ma_acl;
+ acl_buf->lb_len = ma_acl->ma_acl_size;
+
+ rc = __mdd_acl_init(env, son, acl_buf, &attr->la_mode, handle);
+ if (rc) {
+ mdd_write_unlock(env, son);
+ GOTO(cleanup, rc);
+ } else {
+ ma->ma_attr.la_valid |= LA_MODE;
+ }
}
#endif
- rc = mdd_object_initialize(env, mdo2fid(mdd_pobj),
- son, ma, handle);
+ rc = mdd_object_initialize(env, mdo2fid(mdd_pobj), lname,
+ son, ma, handle, spec);
mdd_write_unlock(env, son);
if (rc)
/*
}
if (S_ISLNK(attr->la_mode)) {
+ struct md_ucred *uc = md_ucred(env);
struct dt_object *dt = mdd_object_child(son);
const char *target_name = spec->u.sp_symname;
int sym_len = strlen(target_name);
buf = mdd_buf_get_const(env, target_name, sym_len);
rc = dt->do_body_ops->dbo_write(env, dt, buf, &pos, handle,
- mdd_object_capa(env, son));
+ mdd_object_capa(env, son),
+ uc->mu_cap &
+ CFS_CAP_SYS_RESOURCE_MASK);
if (rc == sym_len)
rc = 0;
}
if (rc2 == 0) {
- mdd_write_lock(env, son);
+ mdd_write_lock(env, son, MOR_TGT_CHILD);
__mdd_ref_del(env, son, handle, 0);
if (initialized && S_ISDIR(attr->la_mode))
__mdd_ref_del(env, son, handle, 1);
mdd_pdo_write_unlock(env, mdd_pobj, dlh);
out_trans:
+ if (rc == 0)
+ rc = mdd_changelog_ns_store(env, mdd,
+ S_ISDIR(attr->la_mode) ? CL_MKDIR :
+ S_ISREG(attr->la_mode) ? CL_CREATE :
+ S_ISLNK(attr->la_mode) ? CL_SOFTLINK : CL_MKNOD,
+ son, mdd_pobj, NULL, lname, handle);
mdd_trans_stop(env, mdd, rc, handle);
out_free:
/* finis lov_create stuff, free all temporary data */
mdd_lov_create_finish(env, mdd, lmm, lmm_size, spec);
+out_pending:
+#ifdef HAVE_QUOTA_SUPPORT
+ if (quota_opc) {
+ lquota_pending_commit(mds_quota_interface_ref, obd, qcids,
+ inode_pending, 0);
+ lquota_pending_commit(mds_quota_interface_ref, obd, qcids,
+ block_pending, 1);
+ lquota_pending_commit(mds_quota_interface_ref, obd, qpids,
+ parent_pending, 1);
+ /* Trigger dqacq on the owner of child and parent. If failed,
+ * the next call for lquota_chkquota will process it. */
+ lquota_adjust(mds_quota_interface_ref, obd, qcids, qpids, rc,
+ quota_opc);
+ }
+#endif
return rc;
}
* the other case has been processed in cml_rename
* before mdd_rename and enable MDS_PERM_BYPASS. */
LASSERT(sobj);
+
rc = mdd_may_delete(env, src_pobj, sobj, ma, 1, 0);
if (rc)
RETURN(rc);
struct md_object *tobj, const struct lu_name *ltname,
struct md_attr *ma)
{
- char *sname = lsname->ln_name;
- char *tname = ltname->ln_name;
+ const char *sname = lsname->ln_name;
+ const char *tname = ltname->ln_name;
struct lu_attr *la = &mdd_env_info(env)->mti_la_for_fix;
- struct mdd_object *mdd_spobj = md2mdd_obj(src_pobj);
+ struct mdd_object *mdd_spobj = md2mdd_obj(src_pobj); /* source parent */
struct mdd_object *mdd_tpobj = md2mdd_obj(tgt_pobj);
struct mdd_device *mdd = mdo2mdd(src_pobj);
- struct mdd_object *mdd_sobj = NULL;
+ struct mdd_object *mdd_sobj = NULL; /* source object */
struct mdd_object *mdd_tobj = NULL;
struct dynlock_handle *sdlh, *tdlh;
struct thandle *handle;
+ const struct lu_fid *tpobj_fid = mdo2fid(mdd_tpobj);
+ const struct lu_fid *spobj_fid = mdo2fid(mdd_spobj);
int is_dir;
- int rc;
+ int rc, rc2;
+
+#ifdef HAVE_QUOTA_SUPPORT
+ struct obd_device *obd = mdd->mdd_obd_dev;
+ struct mds_obd *mds = &obd->u.mds;
+ unsigned int qspids[MAXQUOTAS] = { 0, 0 };
+ unsigned int qtcids[MAXQUOTAS] = { 0, 0 };
+ unsigned int qtpids[MAXQUOTAS] = { 0, 0 };
+ int quota_copc = 0, quota_popc = 0;
+ int rec_pending[MAXQUOTAS] = { 0, 0 };
+#endif
ENTRY;
LASSERT(ma->ma_attr.la_mode & S_IFMT);
if (tobj)
mdd_tobj = md2mdd_obj(tobj);
+#ifdef HAVE_QUOTA_SUPPORT
+ if (mds->mds_quota) {
+ struct lu_attr *la_tmp = &mdd_env_info(env)->mti_la;
+
+ rc = mdd_la_get(env, mdd_spobj, la_tmp, BYPASS_CAPA);
+ if (!rc) {
+ mdd_quota_wrapper(la_tmp, qspids);
+ if (!tobj) {
+ rc = mdd_la_get(env, mdd_tpobj, la_tmp,
+ BYPASS_CAPA);
+ if (!rc) {
+ void *data = NULL;
+ mdd_data_get(env, mdd_tpobj, &data);
+ quota_popc = FSFILT_OP_LINK;
+ mdd_quota_wrapper(la_tmp, qtpids);
+ /* get block quota for target parent */
+ lquota_chkquota(mds_quota_interface_ref,
+ obd, qtpids,
+ rec_pending, 1, NULL,
+ LQUOTA_FLAGS_BLK,
+ data, 1);
+ }
+ }
+ }
+ }
+#endif
mdd_txn_param_build(env, mdd, MDD_TXN_RENAME_OP);
handle = mdd_trans_start(env, mdd);
if (IS_ERR(handle))
- RETURN(PTR_ERR(handle));
+ GOTO(out_pending, rc = PTR_ERR(handle));
/* FIXME: Should consider tobj and sobj too in rename_lock. */
rc = mdd_rename_order(env, mdd, mdd_spobj, mdd_tpobj);
/* Get locks in determined order */
if (rc == MDD_RN_SAME) {
- sdlh = mdd_pdo_write_lock(env, mdd_spobj, sname);
+ sdlh = mdd_pdo_write_lock(env, mdd_spobj,
+ sname, MOR_SRC_PARENT);
/* check hashes to determine do we need one lock or two */
if (mdd_name2hash(sname) != mdd_name2hash(tname))
- tdlh = mdd_pdo_write_lock(env, mdd_tpobj, tname);
+ tdlh = mdd_pdo_write_lock(env, mdd_tpobj, tname,
+ MOR_TGT_PARENT);
else
tdlh = sdlh;
} else if (rc == MDD_RN_SRCTGT) {
- sdlh = mdd_pdo_write_lock(env, mdd_spobj, sname);
- tdlh = mdd_pdo_write_lock(env, mdd_tpobj, tname);
+ sdlh = mdd_pdo_write_lock(env, mdd_spobj, sname,MOR_SRC_PARENT);
+ tdlh = mdd_pdo_write_lock(env, mdd_tpobj, tname,MOR_TGT_PARENT);
} else {
- tdlh = mdd_pdo_write_lock(env, mdd_tpobj, tname);
- sdlh = mdd_pdo_write_lock(env, mdd_spobj, sname);
+ tdlh = mdd_pdo_write_lock(env, mdd_tpobj, tname,MOR_SRC_PARENT);
+ sdlh = mdd_pdo_write_lock(env, mdd_spobj, sname,MOR_TGT_PARENT);
}
if (sdlh == NULL || tdlh == NULL)
GOTO(cleanup, rc = -ENOMEM);
if (rc)
GOTO(cleanup, rc);
+ /* Remove source name from source directory */
rc = __mdd_index_delete(env, mdd_spobj, sname, is_dir, handle,
mdd_object_capa(env, mdd_spobj));
if (rc)
GOTO(cleanup, rc);
- /*
+ /* "mv dir1 dir2" needs "dir1/.." link update */
+ if (is_dir && mdd_sobj) {
+ rc = __mdd_index_delete_only(env, mdd_sobj, dotdot, handle,
+ mdd_object_capa(env, mdd_sobj));
+ if (rc)
+ GOTO(fixup_spobj2, rc);
+
+ rc = __mdd_index_insert_only(env, mdd_sobj, tpobj_fid, dotdot,
+ handle, mdd_object_capa(env, mdd_sobj));
+ if (rc) {
+ GOTO(fixup_spobj, rc);
+ }
+ }
+
+ /* Remove target name from target directory
* Here tobj can be remote one, so we do index_delete unconditionally
* and -ENOENT is allowed.
*/
rc = __mdd_index_delete(env, mdd_tpobj, tname, is_dir, handle,
mdd_object_capa(env, mdd_tpobj));
- if (rc != 0 && rc != -ENOENT)
- GOTO(cleanup, rc);
+ if (rc != 0) {
+ if (mdd_tobj) {
+ /* tname might been renamed to something else */
+ GOTO(fixup_spobj, rc);
+ }
+ if (rc != -ENOENT)
+ GOTO(fixup_spobj, rc);
+ }
+ /* Insert new fid with target name into target dir */
rc = __mdd_index_insert(env, mdd_tpobj, lf, tname, is_dir, handle,
mdd_object_capa(env, mdd_tpobj));
if (rc)
- GOTO(cleanup, rc);
+ GOTO(fixup_tpobj, rc);
LASSERT(ma->ma_attr.la_valid & LA_CTIME);
la->la_ctime = la->la_mtime = ma->ma_attr.la_ctime;
rc = mdd_attr_check_set_internal_locked(env, mdd_sobj, la,
handle, 0);
if (rc)
- GOTO(cleanup, rc);
+ GOTO(fixup_tpobj, rc);
}
- /*
+ /* Remove old target object
* For tobj is remote case cmm layer has processed
* and set tobj to NULL then. So when tobj is NOT NULL,
* it must be local one.
*/
if (tobj && mdd_object_exists(mdd_tobj)) {
- mdd_write_lock(env, mdd_tobj);
+ mdd_write_lock(env, mdd_tobj, MOR_TGT_CHILD);
+ if (mdd_is_dead_obj(mdd_tobj)) {
+ mdd_write_unlock(env, mdd_tobj);
+ /* shld not be dead, something is wrong */
+ CERROR("tobj is dead, something is wrong\n");
+ rc = -EINVAL;
+ goto cleanup;
+ }
__mdd_ref_del(env, mdd_tobj, handle, 0);
/* Remove dot reference. */
la->la_valid = LA_CTIME;
rc = mdd_attr_check_set_internal(env, mdd_tobj, la, handle, 0);
if (rc)
- GOTO(cleanup, rc);
+ GOTO(fixup_tpobj, rc);
rc = mdd_finish_unlink(env, mdd_tobj, ma, handle);
mdd_write_unlock(env, mdd_tobj);
if (rc)
- GOTO(cleanup, rc);
+ GOTO(fixup_tpobj, rc);
+
+#ifdef HAVE_QUOTA_SUPPORT
+ if (mds->mds_quota && ma->ma_valid & MA_INODE &&
+ ma->ma_attr.la_nlink == 0 && mdd_tobj->mod_count == 0) {
+ quota_copc = FSFILT_OP_UNLINK_PARTIAL_CHILD;
+ mdd_quota_wrapper(&ma->ma_attr, qtcids);
+ }
+#endif
}
la->la_valid = LA_CTIME | LA_MTIME;
rc = mdd_attr_check_set_internal_locked(env, mdd_spobj, la, handle, 0);
if (rc)
- GOTO(cleanup, rc);
+ GOTO(fixup_tpobj, rc);
if (mdd_spobj != mdd_tpobj) {
la->la_valid = LA_CTIME | LA_MTIME;
handle, 0);
}
+ if (rc == 0 && mdd_sobj) {
+ mdd_write_lock(env, mdd_sobj, MOR_SRC_CHILD);
+ rc = mdd_links_rename(env, mdd_sobj, mdo2fid(mdd_spobj), lsname,
+ mdo2fid(mdd_tpobj), ltname, handle);
+ if (rc == -ENOENT)
+ /* Old files might not have EA entry */
+ mdd_links_add(env, mdd_sobj, mdo2fid(mdd_spobj),
+ lsname, handle);
+ mdd_write_unlock(env, mdd_sobj);
+ /* We don't fail the transaction if the link ea can't be
+ updated -- fid2path will use alternate lookup method. */
+ rc = 0;
+ }
+
EXIT;
+
+fixup_tpobj:
+ if (rc) {
+ rc2 = __mdd_index_delete(env, mdd_tpobj, tname, is_dir, handle,
+ BYPASS_CAPA);
+ if (rc2)
+ CWARN("tp obj fix error %d\n",rc2);
+
+ if (mdd_tobj && mdd_object_exists(mdd_tobj) &&
+ !mdd_is_dead_obj(mdd_tobj)) {
+ rc2 = __mdd_index_insert(env, mdd_tpobj,
+ mdo2fid(mdd_tobj), tname,
+ is_dir, handle,
+ BYPASS_CAPA);
+
+ if (rc2)
+ CWARN("tp obj fix error %d\n",rc2);
+ }
+ }
+
+fixup_spobj:
+ if (rc && is_dir && mdd_sobj) {
+ rc2 = __mdd_index_delete_only(env, mdd_sobj, dotdot, handle,
+ BYPASS_CAPA);
+
+ if (rc2)
+ CWARN("sp obj dotdot delete error %d\n",rc2);
+
+
+ rc2 = __mdd_index_insert_only(env, mdd_sobj, spobj_fid,
+ dotdot, handle, BYPASS_CAPA);
+ if (rc2)
+ CWARN("sp obj dotdot insert error %d\n",rc2);
+ }
+
+fixup_spobj2:
+ if (rc) {
+ rc2 = __mdd_index_insert(env, mdd_spobj,
+ lf, sname, is_dir, handle, BYPASS_CAPA);
+ if (rc2)
+ CWARN("sp obj fix error %d\n",rc2);
+ }
cleanup:
if (likely(tdlh) && sdlh != tdlh)
mdd_pdo_write_unlock(env, mdd_tpobj, tdlh);
if (likely(sdlh))
mdd_pdo_write_unlock(env, mdd_spobj, sdlh);
cleanup_unlocked:
+ if (rc == 0)
+ rc = mdd_changelog_ns_store(env, mdd, CL_RENAME, mdd_tobj,
+ mdd_spobj, lf, lsname, handle);
+ if (rc == 0)
+ rc = mdd_changelog_ns_store(env, mdd, CL_EXT, mdd_tobj,
+ mdd_tpobj, lf, ltname, handle);
+
mdd_trans_stop(env, mdd, rc, handle);
if (mdd_sobj)
mdd_object_put(env, mdd_sobj);
+out_pending:
+#ifdef HAVE_QUOTA_SUPPORT
+ if (mds->mds_quota) {
+ if (quota_popc)
+ lquota_pending_commit(mds_quota_interface_ref, obd,
+ qtpids, rec_pending, 1);
+
+ if (quota_copc) {
+ /* Trigger dqrel on the source owner of parent.
+ * If failed, the next call for lquota_chkquota will
+ * process it. */
+ lquota_adjust(mds_quota_interface_ref, obd, 0, qspids, rc,
+ FSFILT_OP_UNLINK_PARTIAL_PARENT);
+
+ /* Trigger dqrel on the target owner of child.
+ * If failed, the next call for lquota_chkquota
+ * will process it. */
+ lquota_adjust(mds_quota_interface_ref, obd, qtcids,
+ qtpids, rc, quota_copc);
+ }
+ }
+#endif
return rc;
}
-struct md_dir_operations mdd_dir_ops = {
+/** enable/disable storing of hardlink info */
+int mdd_linkea_enable = 1;
+CFS_MODULE_PARM(mdd_linkea_enable, "d", int, 0644,
+ "record hardlink info in EAs");
+
+/** Read the link EA into a temp buffer.
+ * Uses the name_buf since it is generally large.
+ * \retval IS_ERR err
+ * \retval ptr to \a lu_buf (always \a mti_big_buf)
+ */
+struct lu_buf *mdd_links_get(const struct lu_env *env,
+ struct mdd_object *mdd_obj)
+{
+ struct lu_buf *buf;
+ struct lustre_capa *capa;
+ struct link_ea_header *leh;
+ int rc;
+
+ /* First try a small buf */
+ buf = mdd_buf_alloc(env, CFS_PAGE_SIZE);
+ if (buf->lb_buf == NULL)
+ return ERR_PTR(-ENOMEM);
+
+ capa = mdd_object_capa(env, mdd_obj);
+ rc = mdo_xattr_get(env, mdd_obj, buf, XATTR_NAME_LINK, capa);
+ if (rc == -ERANGE) {
+ /* Buf was too small, figure out what we need. */
+ buf->lb_buf = NULL;
+ buf->lb_len = 0;
+ rc = mdo_xattr_get(env, mdd_obj, buf, XATTR_NAME_LINK, capa);
+ if (rc < 0)
+ return ERR_PTR(rc);
+ buf = mdd_buf_alloc(env, rc);
+ if (buf->lb_buf == NULL)
+ return ERR_PTR(-ENOMEM);
+ rc = mdo_xattr_get(env, mdd_obj, buf, XATTR_NAME_LINK, capa);
+ }
+ if (rc < 0)
+ return ERR_PTR(rc);
+
+ leh = buf->lb_buf;
+ if (leh->leh_magic == __swab32(LINK_EA_MAGIC)) {
+ leh->leh_magic = LINK_EA_MAGIC;
+ leh->leh_reccount = __swab32(leh->leh_reccount);
+ leh->leh_len = __swab64(leh->leh_len);
+ /* entries are swabbed by mdd_lee_unpack */
+ }
+ if (leh->leh_magic != LINK_EA_MAGIC)
+ return ERR_PTR(-EINVAL);
+ if (leh->leh_reccount == 0)
+ return ERR_PTR(-ENODATA);
+
+ return buf;
+}
+
+/** Pack a link_ea_entry.
+ * All elements are stored as chars to avoid alignment issues.
+ * Numbers are always big-endian
+ * \param packbuf is a temp fid buffer
+ * \retval record length
+ */
+static int mdd_lee_pack(struct link_ea_entry *lee, const struct lu_name *lname,
+ const struct lu_fid *pfid, struct lu_fid* packbuf)
+{
+ char *ptr;
+ int reclen;
+
+ fid_pack(&lee->lee_parent_fid, pfid, packbuf);
+ ptr = (char *)&lee->lee_parent_fid + lee->lee_parent_fid.fp_len;
+ strncpy(ptr, lname->ln_name, lname->ln_namelen);
+ reclen = lee->lee_parent_fid.fp_len + lname->ln_namelen +
+ sizeof(lee->lee_reclen);
+ lee->lee_reclen[0] = (reclen >> 8) & 0xff;
+ lee->lee_reclen[1] = reclen & 0xff;
+ return reclen;
+}
+
+void mdd_lee_unpack(const struct link_ea_entry *lee, int *reclen,
+ struct lu_name *lname, struct lu_fid *pfid)
+{
+ *reclen = (lee->lee_reclen[0] << 8) | lee->lee_reclen[1];
+ fid_unpack(&lee->lee_parent_fid, pfid);
+ lname->ln_name = (char *)&lee->lee_parent_fid +
+ lee->lee_parent_fid.fp_len;
+ lname->ln_namelen = *reclen - lee->lee_parent_fid.fp_len -
+ sizeof(lee->lee_reclen);
+}
+
+/** Add a record to the end of link ea buf */
+static int __mdd_links_add(const struct lu_env *env, struct lu_buf *buf,
+ const struct lu_fid *pfid,
+ const struct lu_name *lname)
+{
+ struct link_ea_header *leh;
+ struct link_ea_entry *lee;
+ int reclen;
+
+ if (lname == NULL || pfid == NULL)
+ return -EINVAL;
+
+ /* Make sure our buf is big enough for the new one */
+ leh = buf->lb_buf;
+ reclen = lname->ln_namelen + sizeof(struct link_ea_entry);
+ if (leh->leh_len + reclen > buf->lb_len) {
+ if (mdd_buf_grow(env, leh->leh_len + reclen) < 0)
+ return -ENOMEM;
+ }
+
+ leh = buf->lb_buf;
+ lee = buf->lb_buf + leh->leh_len;
+ reclen = mdd_lee_pack(lee, lname, pfid, &mdd_env_info(env)->mti_fid2);
+ leh->leh_len += reclen;
+ leh->leh_reccount++;
+ return 0;
+}
+
+/* For pathologic linkers, we don't want to spend lots of time scanning the
+ * link ea. Limit ourseleves to something reasonable; links not in the EA
+ * can be looked up via (slower) parent lookup.
+ */
+#define LINKEA_MAX_COUNT 128
+
+static int mdd_links_add(const struct lu_env *env,
+ struct mdd_object *mdd_obj,
+ const struct lu_fid *pfid,
+ const struct lu_name *lname,
+ struct thandle *handle)
+{
+ struct lu_buf *buf;
+ struct link_ea_header *leh;
+ int rc;
+ ENTRY;
+
+ if (!mdd_linkea_enable)
+ RETURN(0);
+
+ buf = mdd_links_get(env, mdd_obj);
+ if (IS_ERR(buf)) {
+ rc = PTR_ERR(buf);
+ if (rc != -ENODATA) {
+ CERROR("link_ea read failed %d "DFID"\n", rc,
+ PFID(mdd_object_fid(mdd_obj)));
+ RETURN (rc);
+ }
+ /* empty EA; start one */
+ buf = mdd_buf_alloc(env, CFS_PAGE_SIZE);
+ if (buf->lb_buf == NULL)
+ RETURN(-ENOMEM);
+ leh = buf->lb_buf;
+ leh->leh_magic = LINK_EA_MAGIC;
+ leh->leh_len = sizeof(struct link_ea_header);
+ leh->leh_reccount = 0;
+ }
+
+ leh = buf->lb_buf;
+ if (leh->leh_reccount > LINKEA_MAX_COUNT)
+ RETURN(-EOVERFLOW);
+
+ rc = __mdd_links_add(env, buf, pfid, lname);
+ if (rc)
+ RETURN(rc);
+
+ leh = buf->lb_buf;
+ rc = __mdd_xattr_set(env, mdd_obj,
+ mdd_buf_get_const(env, buf->lb_buf, leh->leh_len),
+ XATTR_NAME_LINK, 0, handle);
+ if (rc)
+ CERROR("link_ea add failed %d "DFID"\n", rc,
+ PFID(mdd_object_fid(mdd_obj)));
+
+ if (buf->lb_vmalloc)
+ /* if we vmalloced a large buffer drop it */
+ mdd_buf_put(buf);
+
+ RETURN (rc);
+}
+
+static int mdd_links_rename(const struct lu_env *env,
+ struct mdd_object *mdd_obj,
+ const struct lu_fid *oldpfid,
+ const struct lu_name *oldlname,
+ const struct lu_fid *newpfid,
+ const struct lu_name *newlname,
+ struct thandle *handle)
+{
+ struct lu_buf *buf;
+ struct link_ea_header *leh;
+ struct link_ea_entry *lee;
+ struct lu_name *tmpname = &mdd_env_info(env)->mti_name;
+ struct lu_fid *tmpfid = &mdd_env_info(env)->mti_fid;
+ int reclen = 0;
+ int count;
+ int rc, rc2 = 0;
+ ENTRY;
+
+ if (!mdd_linkea_enable)
+ RETURN(0);
+
+ if (mdd_obj->mod_flags & DEAD_OBJ)
+ /* No more links, don't bother */
+ RETURN(0);
+
+ buf = mdd_links_get(env, mdd_obj);
+ if (IS_ERR(buf)) {
+ rc = PTR_ERR(buf);
+ CERROR("link_ea read failed %d "DFID"\n",
+ rc, PFID(mdd_object_fid(mdd_obj)));
+ RETURN(rc);
+ }
+ leh = buf->lb_buf;
+ lee = (struct link_ea_entry *)(leh + 1); /* link #0 */
+
+ /* Find the old record */
+ for(count = 0; count <= leh->leh_reccount; count++) {
+ mdd_lee_unpack(lee, &reclen, tmpname, tmpfid);
+ if (tmpname->ln_namelen == oldlname->ln_namelen &&
+ lu_fid_eq(tmpfid, oldpfid) &&
+ (strncmp(tmpname->ln_name, oldlname->ln_name,
+ tmpname->ln_namelen) == 0))
+ break;
+ lee = (struct link_ea_entry *)((char *)lee + reclen);
+ }
+ if (count > leh->leh_reccount) {
+ CDEBUG(D_INODE, "Old link_ea name '%.*s' not found\n",
+ oldlname->ln_namelen, oldlname->ln_name);
+ GOTO(out, rc = -ENOENT);
+ }
+
+ /* Remove the old record */
+ leh->leh_reccount--;
+ leh->leh_len -= reclen;
+ memmove(lee, (char *)lee + reclen, (char *)leh + leh->leh_len -
+ (char *)lee);
+
+ /* If renaming, add the new record */
+ if (newpfid != NULL) {
+ /* if the add fails, we still delete the out-of-date old link */
+ rc2 = __mdd_links_add(env, buf, newpfid, newlname);
+ leh = buf->lb_buf;
+ }
+
+ rc = __mdd_xattr_set(env, mdd_obj,
+ mdd_buf_get_const(env, buf->lb_buf, leh->leh_len),
+ XATTR_NAME_LINK, 0, handle);
+
+out:
+ if (rc == 0)
+ rc = rc2;
+ if (rc)
+ CDEBUG(D_INODE, "link_ea mv/unlink '%.*s' failed %d "DFID"\n",
+ oldlname->ln_namelen, oldlname->ln_name, rc,
+ PFID(mdd_object_fid(mdd_obj)));
+
+ if (buf->lb_vmalloc)
+ /* if we vmalloced a large buffer drop it */
+ mdd_buf_put(buf);
+
+ RETURN (rc);
+}
+
+const struct md_dir_operations mdd_dir_ops = {
.mdo_is_subdir = mdd_is_subdir,
.mdo_lookup = mdd_lookup,
.mdo_create = mdd_create,
git://git.whamcloud.com / fs / lustre-release.git / blobdiff