Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 8d08503c authored by Yan, Zheng's avatar Yan, Zheng
Browse files

ceph: remember subtree root dirfrag's auth MDS 



remember dirfrag's auth MDS when it's different from its parent inode's
auth MDS.

Signed-off-by: default avatarYan, Zheng <zheng.z.yan@intel.com>
parent 3e7fbe9c

fs/ceph/inode.c

+7 −1
Original line number Diff line number Diff line
@@ -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)