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Diffstat (limited to 'fs/ceph/mds_client.c')
-rw-r--r--fs/ceph/mds_client.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 84edfc60d87a..f23c820daaed 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -734,12 +734,13 @@ static int __choose_mds(struct ceph_mds_client *mdsc,
inode = req->r_inode;
ihold(inode);
} else {
- /* req->r_dentry is non-null for LSSNAP request.
- * fall-thru */
- WARN_ON_ONCE(!req->r_dentry);
+ /* req->r_dentry is non-null for LSSNAP request */
+ rcu_read_lock();
+ inode = get_nonsnap_parent(req->r_dentry);
+ rcu_read_unlock();
+ dout("__choose_mds using snapdir's parent %p\n", inode);
}
- }
- if (!inode && req->r_dentry) {
+ } else if (req->r_dentry) {
/* ignore race with rename; old or new d_parent is okay */
struct dentry *parent;
struct inode *dir;