Commit 00f06cba authored by Yan, Zheng's avatar Yan, Zheng Committed by Ilya Dryomov
Browse files

ceph: make sure flushing inode in proper session's cap_flushing list 



when flushing inode's auth cap changes, we need to move it into the
new auth cap session's cap_flushing list

Signed-off-by: default avatarYan, Zheng <zyan@redhat.com>
parent d641df81

fs/ceph/caps.c

+10 −0
Original line number Diff line number Diff line
@@ -3410,6 +3410,7 @@ static void handle_cap_export(struct inode *inode, struct ceph_mds_caps *ex, 
			tcap->implemented |= issued;

			if (cap == ci->i_auth_cap)

				ci->i_auth_cap = tcap;



			if (!list_empty(&ci->i_cap_flush_list) &&

			    ci->i_auth_cap == tcap) {

				spin_lock(&mdsc->cap_dirty_lock);
@@ -3423,9 +3424,18 @@ static void handle_cap_export(struct inode *inode, struct ceph_mds_caps *ex, 
	} else if (tsession) {

		/* add placeholder for the export tagert */

		int flag = (cap == ci->i_auth_cap) ? CEPH_CAP_FLAG_AUTH : 0;

		tcap = new_cap;

		ceph_add_cap(inode, tsession, t_cap_id, -1, issued, 0,

			     t_seq - 1, t_mseq, (u64)-1, flag, &new_cap);



		if (!list_empty(&ci->i_cap_flush_list) &&

		    ci->i_auth_cap == tcap) {

			spin_lock(&mdsc->cap_dirty_lock);

			list_move_tail(&ci->i_flushing_item,

				       &tcap->session->s_cap_flushing);

			spin_unlock(&mdsc->cap_dirty_lock);

		}



		__ceph_remove_cap(cap, false);

		goto out_unlock;

	}