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authorJan Kara <jack@suse.cz>2017-08-21 14:06:46 +0200
committerJan Kara <jack@suse.cz>2017-08-21 14:06:46 +0200
commit6c83fd5142c68294acb0e857b7bac2ce8a5077f7 (patch)
tree66823c319023ae849e59460ba43770e6c39e4122 /include/linux/quota.h
parent7b9ca4c61bc278b771fb57d6290a31ab1fc7fdac (diff)
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>
Diffstat (limited to 'include/linux/quota.h')
-rw-r--r--include/linux/quota.h22
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] */
};