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ceph: no .snap inside of snapped namespace

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Otherwise you can do things like

# mkdir .snap/foo
# cd .snap/foo/.snap
# ls
<badness>

Signed-off-by: Sage Weil <sage@newdream.net>
This commit is contained in:
Sage Weil 2011-03-03 13:44:35 -08:00
parent e00de341fd
commit 455cec0abf
1 changed files with 1 additions and 0 deletions
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1
fs/ceph/dir.c
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@ -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);