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-rw-r--r--fs/quota/dquot.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 9cd5f63715c0..7f30bdc57d13 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -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;
}