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Commit 6c83fd51 authored by Jan Kara's avatar Jan Kara
Browse files

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: default avatarJan Kara <jack@suse.cz>
parent 7b9ca4c6

include/linux/quota.h

+11 −11
Original line number Diff line number Diff line
@@ -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] */

};