These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / fs / gfs2 / dir.c

diff --git a/kernel/fs/gfs2/dir.c b/kernel/fs/gfs2/dir.c
index 487527b..ad8a5b7 100644 (file)
--- a/kernel/fs/gfs2/dir.c
+++ b/kernel/fs/gfs2/dir.c
@@ -388,8 +388,13 @@ static __be64 *gfs2_dir_get_hash_table(struct gfs2_inode *ip)
  */
 void gfs2_dir_hash_inval(struct gfs2_inode *ip)
 {
-       __be64 *hc = ip->i_hash_cache;
+       __be64 *hc;
+
+       spin_lock(&ip->i_inode.i_lock);
+       hc = ip->i_hash_cache;
        ip->i_hash_cache = NULL;
+       spin_unlock(&ip->i_inode.i_lock);
+
        kvfree(hc);
 }