LU-15880 quota: fix issues in reserving quota

[fs/lustre-release.git] / lustre / include / lustre_quota.h

diff --git a/lustre/include/lustre_quota.h b/lustre/include/lustre_quota.h
index c7a71a2..c1d5828 100644 (file)
--- a/lustre/include/lustre_quota.h
+++ b/lustre/include/lustre_quota.h
@@ -35,6 +35,7 @@
 #include <linux/fs.h>
 #include <linux/quota.h>
 #include <linux/quotaops.h>
+#include <linux/sort.h>
 #include <dt_object.h>
 #include <lustre_fid.h>
 #include <lustre_dlm.h>
@@ -61,9 +62,9 @@ union lquota_rec {
 
 /* flags for inode/block quota accounting */
 enum osd_qid_declare_flags {
-       OSD_QID_INODE   = 1 << 0,
-       OSD_QID_BLK     = 1 << 1,
-       OSD_QID_FORCE   = 1 << 2,
+       OSD_QID_INODE   = BIT(0),
+       OSD_QID_BLK     = BIT(1),
+       OSD_QID_FORCE   = BIT(2),
 };
 
 /* Index features supported by the global index objects
@@ -175,17 +176,33 @@ struct qsd_instance;
  * Below are the function prototypes to be used by OSD layer to manage quota
  * enforcement. Arguments are documented where each function is defined.  */
 
+/* flags for quota local enforcement */
+enum osd_quota_local_flags {
+       QUOTA_FL_OVER_USRQUOTA  = BIT(0),
+       QUOTA_FL_OVER_GRPQUOTA  = BIT(1),
+       QUOTA_FL_SYNC           = BIT(2),
+       QUOTA_FL_OVER_PRJQUOTA  = BIT(3),
+};
+
 struct qsd_instance *qsd_init(const struct lu_env *, char *, struct dt_device *,
-                             struct proc_dir_entry *, bool is_md);
+                             struct proc_dir_entry *, bool is_md, bool excl);
 int qsd_prepare(const struct lu_env *, struct qsd_instance *);
 int qsd_start(const struct lu_env *, struct qsd_instance *);
 void qsd_fini(const struct lu_env *, struct qsd_instance *);
 int qsd_op_begin(const struct lu_env *, struct qsd_instance *,
-                struct lquota_trans *, struct lquota_id_info *, int *);
+                struct lquota_trans *, struct lquota_id_info *,
+                enum osd_quota_local_flags *);
 void qsd_op_end(const struct lu_env *, struct qsd_instance *,
                struct lquota_trans *);
 void qsd_op_adjust(const struct lu_env *, struct qsd_instance *,
                   union lquota_id *, int);
+int qsd_transfer(const struct lu_env *env, struct qsd_instance *qsd,
+                struct lquota_trans *trans, unsigned int qtype,
+                u64 orig_id, u64 new_id, u64 bspace,
+                struct lquota_id_info *qi);
+int qsd_reserve_or_free_quota(const struct lu_env *env,
+                             struct qsd_instance *qsd,
+                             struct lquota_id_info *qi);
 
 /*
  * Quota information attached to a transaction
@@ -217,8 +234,9 @@ struct lquota_id_info {
  * a single transaction for inode and block quota, which is chown transaction:
  * original uid and gid, new uid and gid.
  *
- * This value might need to be revised when directory quota is added.  */
-#define QUOTA_MAX_TRANSIDS    8
+ * Given a parent dir and a sub dir, with different uid, gid and project id,
+ * need <parent,child> x <user,group,project> x <block,inode> = 12 ids */
+#define QUOTA_MAX_TRANSIDS    12
 
 /* all qids involved in a single transaction */
 struct lquota_trans {
@@ -226,12 +244,6 @@ struct lquota_trans {
        struct lquota_id_info   lqt_ids[QUOTA_MAX_TRANSIDS];
 };
 
-/* flags for quota local enforcement */
-#define QUOTA_FL_OVER_USRQUOTA  0x01
-#define QUOTA_FL_OVER_GRPQUOTA  0x02
-#define QUOTA_FL_SYNC           0x04
-#define QUOTA_FL_OVER_PRJQUOTA  0x08
-
 #define IS_LQUOTA_RES(res)                                             \
        (res->lr_name.name[LUSTRE_RES_ID_SEQ_OFF] == FID_SEQ_QUOTA ||   \
         res->lr_name.name[LUSTRE_RES_ID_SEQ_OFF] == FID_SEQ_QUOTA_GLB)