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-rw-r--r--include/linux/quota.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/quota.h b/include/linux/quota.h
index eccc1cb6274e..074123975595 100644
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -298,12 +298,13 @@ struct dquot {
struct list_head dq_free; /* Free list element */
struct list_head dq_dirty; /* List of dirty dquots */
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 */
unsigned long dq_flags; /* See DQ_* */
- struct mem_dqblk dq_dqb; /* Diskquota usage */
+ struct mem_dqblk dq_dqb; /* Diskquota usage [dq_dqb_lock] */
};
/* Operations which must be implemented by each quota format */