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-rw-r--r--fs/ceph/mds_client.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 0b78507eccb0..88bc68ddd313 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -913,7 +913,7 @@ static int __choose_mds(struct ceph_mds_client *mdsc,
struct inode *dir;
rcu_read_lock();
- parent = req->r_dentry->d_parent;
+ parent = READ_ONCE(req->r_dentry->d_parent);
dir = req->r_parent ? : d_inode_rcu(parent);
if (!dir || dir->i_sb != mdsc->fsc->sb) {
@@ -2145,7 +2145,7 @@ retry:
memcpy(path + pos, temp->d_name.name, temp->d_name.len);
}
spin_unlock(&temp->d_lock);
- temp = temp->d_parent;
+ temp = READ_ONCE(temp->d_parent);
/* Are we at the root? */
if (IS_ROOT(temp))