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ceph: fix dir_auth check in ceph_fill_dirfrag()

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-1 is CDIR_AUTH_PARENT, it means dir's auth mds is the same as
inode's auth mds

Signed-off-by: Yan, Zheng <zyan@redhat.com>
This commit is contained in:
Yan, Zheng 2016-05-03 22:33:20 +08:00 committed by Ilya Dryomov
parent a407846ef7
commit 421721195a
1 changed files with 3 additions and 0 deletions
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3
fs/ceph/inode.c
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@ -254,6 +254,9 @@ static int ceph_fill_dirfrag(struct inode *inode,
diri_auth = ci->i_auth_cap->mds; diri_auth = ci->i_auth_cap->mds;
spin_unlock(&ci->i_ceph_lock); spin_unlock(&ci->i_ceph_lock);
if (mds == -1) /* CDIR_AUTH_PARENT */
mds = diri_auth;
mutex_lock(&ci->i_fragtree_mutex); mutex_lock(&ci->i_fragtree_mutex);
if (ndist == 0 && mds == diri_auth) { if (ndist == 0 && mds == diri_auth) {
/* no delegation info needed. */ /* no delegation info needed. */