LU-2600 osd-zfs: batched object accounting

[fs/lustre-release.git] / lustre / osd-zfs / osd_internal.h

diff --git a/lustre/osd-zfs/osd_internal.h b/lustre/osd-zfs/osd_internal.h
index bc51cb1..63f680c 100644 (file)
--- a/lustre/osd-zfs/osd_internal.h
+++ b/lustre/osd-zfs/osd_internal.h
@@ -82,6 +82,8 @@ struct osd_it_quota {
        zap_cursor_t            *oiq_zc;
        /** identifier for current quota record */
        __u64                    oiq_id;
+       /* the hash where object accounting is cached */
+       cfs_hash_t              *oiq_hash;
        unsigned                 oiq_reset:1; /* 1 -- no need to advance */
 };
 
@@ -227,6 +229,16 @@ struct osd_seq_list {
 #define OSD_OST_MAP_SIZE       32
 
 /*
+ * this structure tracks changes made to the accounting within specific TXG
+ */
+struct osd_zfs_acct_txg {
+       uint64_t                 zat_txg;
+       cfs_hash_t              *zat_usr;
+       cfs_hash_t              *zat_grp;
+       struct osd_device       *zat_osd;
+};
+
+/*
  * osd device.
  */
 struct osd_device {
@@ -279,6 +291,13 @@ struct osd_device {
        atomic_t                 od_zerocopy_pin;
 
        arc_prune_t             *arc_prune_cb;
+
+       /* quota: object accounting */
+       spinlock_t               od_known_txg_lock;
+       uint64_t                 od_known_txg;
+       struct osd_zfs_acct_txg *od_acct_delta;
+       cfs_hash_t              *od_acct_usr;
+       cfs_hash_t              *od_acct_grp;
 };
 
 struct osd_object {
@@ -313,7 +332,6 @@ struct osd_object {
 
 int osd_statfs(const struct lu_env *, struct dt_device *, struct obd_statfs *);
 extern const struct dt_index_operations osd_acct_index_ops;
-uint64_t osd_quota_fid2dmu(const struct lu_fid *fid);
 extern struct lu_device_operations  osd_lu_ops;
 int osd_declare_quota(const struct lu_env *env, struct osd_device *osd,
                      qid_t uid, qid_t gid, long long space,
@@ -496,6 +514,13 @@ osd_xattr_set_internal(const struct lu_env *env, struct osd_object *obj,
        return rc;
 }
 
+void osd_zfs_acct_uid(const struct lu_env *env, struct osd_device *osd,
+                    __u64 uid, int delta, struct osd_thandle *oh);
+void osd_zfs_acct_gid(const struct lu_env *env, struct osd_device *osd,
+                    __u64 gid, int delta, struct osd_thandle *oh);
+int osd_zfs_acct_init(const struct lu_env *env, struct osd_device *osd);
+void osd_zfs_acct_fini(const struct lu_env *env, struct osd_device *osd);
+
 static inline uint64_t attrs_fs2zfs(const uint32_t flags)
 {
        return (((flags & FS_APPEND_FL)         ? ZFS_APPENDONLY        : 0) |