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提交 c20ddc64 编写于 作者: L Linus Torvalds

Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

Pull quota fix from Jan Kara:
 "Fix locking of dquot shrinker"

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  quota: missing lock in dqcache_shrink_scan()
......@@ -702,6 +702,7 @@ dqcache_shrink_scan(struct shrinker *shrink, struct shrink_control *sc)
struct dquot *dquot;
unsigned long freed = 0;
spin_lock(&dq_list_lock);
head = free_dquots.prev;
while (head != &free_dquots && sc->nr_to_scan) {
dquot = list_entry(head, struct dquot, dq_free);
......@@ -713,6 +714,7 @@ dqcache_shrink_scan(struct shrinker *shrink, struct shrink_control *sc)
freed++;
head = free_dquots.prev;
}
spin_unlock(&dq_list_lock);
return freed;
}
......
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