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authorSage Weil <sage@newdream.net>2011-03-03 13:44:35 -0800
committerSage Weil <sage@newdream.net>2011-03-04 12:25:09 -0800
commit455cec0abff563574cca432ced49f734117ca113 (patch)
tree594e8dd5ac6c48a97836e5ca1e6ce451e157f2a2 /fs
parente00de341fdb76c955703b4438100f9933c452b7f (diff)
downloadlinux-linaro-stable-455cec0abff563574cca432ced49f734117ca113.tar.gz
ceph: no .snap inside of snapped namespace
Otherwise you can do things like # mkdir .snap/foo # cd .snap/foo/.snap # ls <badness> Signed-off-by: Sage Weil <sage@newdream.net>
Diffstat (limited to 'fs')
-rw-r--r--fs/ceph/dir.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 196fd4c62db7..099a58615b90 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -496,6 +496,7 @@ struct dentry *ceph_finish_lookup(struct ceph_mds_request *req,
/* .snap dir? */
if (err == -ENOENT &&
+ ceph_snap(parent) == CEPH_NOSNAP &&
strcmp(dentry->d_name.name,
fsc->mount_options->snapdir_name) == 0) {
struct inode *inode = ceph_get_snapdir(parent);