From: Yan, Zheng <zyan@redhat.com>
Date: Mon, 19 Jan 2015 05:23:20 +0000 (+0800)
Subject: ceph: fix atomic_open snapdir
X-Git-Tag: v4.0-rc1~34^2~10
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=bf91c3150880ed6304f578cf00bd408d642fe6a0;p=linux-2.6-block.git

ceph: fix atomic_open snapdir

ceph_handle_snapdir() checks ceph_mdsc_do_request()'s return value
and creates snapdir inode if it's -ENOENT

Signed-off-by: Yan, Zheng <zyan@redhat.com>
---

diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index c407abb52b7b..848969ee24db 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -275,10 +275,10 @@ int ceph_atomic_open(struct inode *dir, struct dentry *dentry,
 	err = ceph_mdsc_do_request(mdsc,
 				   (flags & (O_CREAT|O_TRUNC)) ? dir : NULL,
 				   req);
+	err = ceph_handle_snapdir(req, dentry, err);
 	if (err)
 		goto out_req;
 
-	err = ceph_handle_snapdir(req, dentry, err);
 	if (err == 0 && (flags & O_CREAT) && !req->r_reply_info.head->is_dentry)
 		err = ceph_handle_notrace_create(dir, dentry);