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author | Jan Kara <jack@suse.cz> | 2017-08-21 14:06:46 +0200 |
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committer | Jan Kara <jack@suse.cz> | 2017-08-21 14:06:46 +0200 |
commit | 6c83fd5142c68294acb0e857b7bac2ce8a5077f7 (patch) | |
tree | 66823c319023ae849e59460ba43770e6c39e4122 /include/linux/quota.h | |
parent | 7b9ca4c61bc278b771fb57d6290a31ab1fc7fdac (diff) | |
download | linux-stable-6c83fd5142c68294acb0e857b7bac2ce8a5077f7.tar.gz linux-stable-6c83fd5142c68294acb0e857b7bac2ce8a5077f7.tar.bz2 linux-stable-6c83fd5142c68294acb0e857b7bac2ce8a5077f7.zip |
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.h | 22 |
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] */ }; |