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-rw-r--r--fs/gfs2/glock.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index fdb796c4f94..827136ee794 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -1314,6 +1314,10 @@ static int gfs2_shrink_glock_memory(int nr, gfp_t gfp_mask)
list_del_init(&gl->gl_lru);
atomic_dec(&lru_count);
+ /* Check if glock is about to be freed */
+ if (atomic_read(&gl->gl_ref) == 0)
+ continue;
+
/* Test for being demotable */
if (!test_and_set_bit(GLF_LOCK, &gl->gl_flags)) {
gfs2_glock_hold(gl);