quota: Add lock annotations to struct members

Add annotation which lock protects which struct members to struct dquot
and struct mem_dqinfo.

Signed-off-by: Jan Kara <jack@suse.cz>

1 files changed, 11 insertions, 11 deletions

diff --git a/include/linux/quota.h b/include/linux/quota.h
index 074123975595..5ac9de4fcd6f 100644
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -223,12 +223,12 @@ struct mem_dqinfo {
         struct quota_format_type *dqi_format;
         int dqi_fmt_id;         /* Id of the dqi_format - used when turning
                                  * quotas on after remount RW */
-        struct list_head dqi_dirty_list;        /* List of dirty dquots */
-        unsigned long dqi_flags;
-        unsigned int dqi_bgrace;
-        unsigned int dqi_igrace;
-        qsize_t dqi_max_spc_limit;
-        qsize_t dqi_max_ino_limit;
+        struct list_head dqi_dirty_list;        /* List of dirty dquots [dq_list_lock] */
+        unsigned long dqi_flags;        /* DFQ_ flags [dq_data_lock] */
+        unsigned int dqi_bgrace;        /* Space grace time [dq_data_lock] */
+        unsigned int dqi_igrace;        /* Inode grace time [dq_data_lock] */
+        qsize_t dqi_max_spc_limit;      /* Maximum space limit [static] */
+        qsize_t dqi_max_ino_limit;      /* Maximum inode limit [static] */
         void *dqi_priv;
 };
 
@@ -293,16 +293,16 @@ static inline void dqstats_dec(unsigned int type)
                                  * clear them when it sees fit. */
 
 struct dquot {
-        struct hlist_node dq_hash;      /* Hash list in memory */
-        struct list_head dq_inuse;      /* List of all quotas */
-        struct list_head dq_free;       /* Free list element */
-        struct list_head dq_dirty;      /* List of dirty dquots */
+        struct hlist_node dq_hash;      /* Hash list in memory [dq_list_lock] */
+        struct list_head dq_inuse;      /* List of all quotas [dq_list_lock] */
+        struct list_head dq_free;       /* Free list element [dq_list_lock] */
+        struct list_head dq_dirty;      /* List of dirty dquots [dq_list_lock] */
         struct mutex dq_lock;           /* dquot IO lock */
         spinlock_t dq_dqb_lock;         /* Lock protecting dq_dqb changes */
         atomic_t dq_count;              /* Use count */
         struct super_block *dq_sb;      /* superblock this applies to */
         struct kqid dq_id;              /* ID this applies to (uid, gid, projid) */
-        loff_t dq_off;                  /* Offset of dquot on disk */
+        loff_t dq_off;                  /* Offset of dquot on disk [dq_lock, stable once set] */
         unsigned long dq_flags;         /* See DQ_* */
         struct mem_dqblk dq_dqb;        /* Diskquota usage [dq_dqb_lock] */
 };