remember dirfrag's auth MDS when it's different from its parent inode's
auth MDS.
Signed-off-by: Yan, Zheng <zheng.z.yan@xxxxxxxxx>
---
fs/ceph/inode.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 80528ff..7736097 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -245,11 +245,17 @@ static int ceph_fill_dirfrag(struct inode *inode,
u32 id = le32_to_cpu(dirinfo->frag);
int mds = le32_to_cpu(dirinfo->auth);
int ndist = le32_to_cpu(dirinfo->ndist);
+ int diri_auth = -1;
int i;
int err = 0;
+ spin_lock(&ci->i_ceph_lock);
+ if (ci->i_auth_cap)
+ diri_auth = ci->i_auth_cap->mds;
+ spin_unlock(&ci->i_ceph_lock);
+
mutex_lock(&ci->i_fragtree_mutex);
- if (ndist == 0) {
+ if (ndist == 0 && mds == diri_auth) {
/* no delegation info needed. */
frag = __ceph_find_frag(ci, id);
if (!frag)
--
1.9.0
--
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