struct osd_thread_info *info = osd_oti_get(env);
struct if_dqblk *dqblk = &info->oti_dqblk;
struct super_block *sb = osd_sb(osd_obj2dev(osd_dt_obj(dtobj)));
- struct acct_rec *rec = (struct acct_rec *)dtrec;
+ struct lquota_acct_rec *rec = (struct lquota_acct_rec *)dtrec;
__u64 id = *((__u64 *)dtkey);
int rc;
memset(it, 0, sizeof(*it));
lu_object_get(lo);
it->oiq_obj = obj;
+ CFS_INIT_LIST_HEAD(&it->oiq_list);
/* LUSTRE_DQTREEOFF is the initial offset where the tree can be found */
it->oiq_blk[0] = LUSTRE_DQTREEOFF;
static void osd_it_acct_fini(const struct lu_env *env, struct dt_it *di)
{
struct osd_it_quota *it = (struct osd_it_quota *)di;
-
+ struct osd_quota_leaf *leaf, *tmp;
ENTRY;
+
lu_object_put(env, &it->oiq_obj->oo_dt.do_lu);
+
+ cfs_list_for_each_entry_safe(leaf, tmp, &it->oiq_list, oql_link) {
+ cfs_list_del_init(&leaf->oql_link);
+ OBD_FREE_PTR(leaf);
+ }
EXIT;
}
return;
}
+static int osd_it_add_processed(struct osd_it_quota *it, int depth)
+{
+ struct osd_quota_leaf *leaf;
+
+ OBD_ALLOC_PTR(leaf);
+ if (leaf == NULL)
+ RETURN(-ENOMEM);
+ CFS_INIT_LIST_HEAD(&leaf->oql_link);
+ leaf->oql_blk = it->oiq_blk[depth];
+ cfs_list_add_tail(&leaf->oql_link, &it->oiq_list);
+ RETURN(0);
+}
+
/**
* Move on to the next valid entry.
*
/* Let's first check if there are any remaining valid entry in the
* current leaf block. Start with the next entry after the current one.
*/
- depth = LUSTRE_DQTREEDEPTH - 1;
- index = GETIDINDEX(it->oiq_id, depth);
+ depth = LUSTRE_DQTREEDEPTH;
+ index = it->oiq_index[depth];
if (++index < LUSTRE_DQSTRINBLK) {
/* Search for the next valid entry from current index */
rc = walk_block_dqentry(env, it->oiq_obj, type,
/* Found on entry, @it is already updated to the
* new position in walk_block_dqentry(). */
RETURN(0);
+ } else {
+ rc = osd_it_add_processed(it, depth);
+ if (rc)
+ RETURN(rc);
}
+ } else {
+ rc = osd_it_add_processed(it, depth);
+ if (rc)
+ RETURN(rc);
}
rc = 1;
/* We keep searching as long as walk_tree_dqentry() returns +1
* (= no valid entry found). */
for (; depth >= 0 && rc > 0; depth--) {
- index = GETIDINDEX(it->oiq_id, depth);
+ index = it->oiq_index[depth];
if (++index > 0xff)
continue;
rc = walk_tree_dqentry(env, it->oiq_obj, type,
}
};
+static inline void osd_quota_swab(char *ptr, size_t size)
+{
+ int offset;
+
+ LASSERT((size & (sizeof(__u64) - 1)) == 0);
+
+ for (offset = 0; offset < size; offset += sizeof(__u64))
+ __swab64s((__u64 *)(ptr + offset));
+}
+
+const struct dt_rec *osd_quota_pack(struct osd_object *obj,
+ const struct dt_rec *rec,
+ union lquota_rec *quota_rec)
+{
+#ifdef __BIG_ENDIAN
+ struct iam_descr *descr;
+
+ LASSERT(obj->oo_dir != NULL);
+ descr = obj->oo_dir->od_container.ic_descr;
+
+ memcpy(quota_rec, rec, descr->id_rec_size);
+
+ osd_quota_swab((char *)quota_rec, descr->id_rec_size);
+ return (const struct dt_rec *)quota_rec;
+#else
+ return rec;
+#endif
+}
+
+void osd_quota_unpack(struct osd_object *obj, const struct dt_rec *rec)
+{
+#ifdef __BIG_ENDIAN
+ struct iam_descr *descr;
+
+ LASSERT(obj->oo_dir != NULL);
+ descr = obj->oo_dir->od_container.ic_descr;
+
+ osd_quota_swab((char *)rec, descr->id_rec_size);
+#else
+ return;
+#endif
+}
+
+static inline int osd_qid_type(struct osd_thandle *oh, int i)
+{
+ return (oh->ot_id_type & (1 << i)) ? GRPQUOTA : USRQUOTA;
+}
+
+static inline void osd_qid_set_type(struct osd_thandle *oh, int i, int type)
+{
+ oh->ot_id_type |= ((type == GRPQUOTA) ? (1 << i) : 0);
+}
+
+/**
+ * Reserve journal credits for quota files update first, then call
+ * ->op_begin() to perform quota enforcement.
+ *
+ * \param env - the environment passed by the caller
+ * \param oh - osd transaction handle
+ * \param qi - quota id & space required for this operation
+ * \param allocated - dquot entry in quota accounting file has been allocated
+ * \param flags - if the operation is write, return no user quota, no
+ * group quota, or sync commit flags to the caller
+ *
+ * \retval 0 - success
+ * \retval -ve - failure
+ */
+int osd_declare_qid(const struct lu_env *env, struct osd_thandle *oh,
+ struct lquota_id_info *qi, bool allocated, int *flags)
+{
+ struct osd_thread_info *info = osd_oti_get(env);
+ struct osd_device *dev = info->oti_dev;
+ struct qsd_instance *qsd = dev->od_quota_slave;
+ int i, rc;
+ bool found = false;
+ ENTRY;
+
+ LASSERT(oh != NULL);
+ LASSERTF(oh->ot_id_cnt <= OSD_MAX_UGID_CNT, "count=%d\n",
+ oh->ot_id_cnt);
+
+ for (i = 0; i < oh->ot_id_cnt; i++) {
+ if (oh->ot_id_array[i] == qi->lqi_id.qid_uid &&
+ osd_qid_type(oh, i) == qi->lqi_type) {
+ found = true;
+ break;
+ }
+ }
+
+ if (!found) {
+ /* we need to account for credits for this new ID */
+ if (i >= OSD_MAX_UGID_CNT) {
+ CERROR("Too many(%d) trans qids!\n", i + 1);
+ RETURN(-EOVERFLOW);
+ }
+
+ oh->ot_credits += (allocated || qi->lqi_id.qid_uid == 0) ?
+ 1 : LDISKFS_QUOTA_INIT_BLOCKS(osd_sb(dev));
+
+ oh->ot_id_array[i] = qi->lqi_id.qid_uid;
+ osd_qid_set_type(oh, i, qi->lqi_type);
+ oh->ot_id_cnt++;
+ }
+
+ if (unlikely(qsd == NULL))
+ /* quota slave instance hasn't been allocated yet */
+ RETURN(0);
+
+ /* check quota */
+ rc = qsd_op_begin(env, qsd, oh->ot_quota_trans, qi, flags);
+ RETURN(rc);
+}
+
+/**
+ * Wrapper for osd_declare_qid()
+ *
+ * \param env - the environment passed by the caller
+ * \param uid - user id of the inode
+ * \param gid - group id of the inode
+ * \param space - how many blocks/inodes will be consumed/released
+ * \param oh - osd transaction handle
+ * \param is_blk - block quota or inode quota?
+ * \param allocated - dquot entry in quota accounting file has been allocated
+ * \param flags - if the operation is write, return no user quota, no
+ * group quota, or sync commit flags to the caller
+ * \param force - set to 1 when changes are performed by root user and thus
+ * can't failed with EDQUOT
+ *
+ * \retval 0 - success
+ * \retval -ve - failure
+ */
+int osd_declare_inode_qid(const struct lu_env *env, qid_t uid, qid_t gid,
+ long long space, struct osd_thandle *oh,
+ bool is_blk, bool allocated, int *flags, bool force)
+{
+ struct osd_thread_info *info = osd_oti_get(env);
+ struct lquota_id_info *qi = &info->oti_qi;
+ int rcu, rcg; /* user & group rc */
+ ENTRY;
+
+ /* let's start with user quota */
+ qi->lqi_id.qid_uid = uid;
+ qi->lqi_type = USRQUOTA;
+ qi->lqi_space = space;
+ qi->lqi_is_blk = is_blk;
+ rcu = osd_declare_qid(env, oh, qi, allocated, flags);
+
+ if (force && (rcu == -EDQUOT || rcu == -EINPROGRESS))
+ /* ignore EDQUOT & EINPROGRESS when changes are done by root */
+ rcu = 0;
+
+ /* For non-fatal error, we want to continue to get the noquota flags
+ * for group id. This is only for commit write, which has @flags passed
+ * in. See osd_declare_write_commit().
+ * When force is set to true, we also want to proceed with the gid */
+ if (rcu && (rcu != -EDQUOT || flags == NULL))
+ RETURN(rcu);
+
+ /* and now group quota */
+ qi->lqi_id.qid_gid = gid;
+ qi->lqi_type = GRPQUOTA;
+ rcg = osd_declare_qid(env, oh, qi, allocated, flags);
+
+ if (force && (rcg == -EDQUOT || rcg == -EINPROGRESS))
+ /* as before, ignore EDQUOT & EINPROGRESS for root */
+ rcg = 0;
+
+ RETURN(rcu ? rcu : rcg);
+}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff