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Commit 66f58691 authored by Yan, Zheng's avatar Yan, Zheng Committed by Alex Elder
Browse files

ceph: allocate cap_release message when receiving cap import 



When client wants to release an imported cap, it's possible there
is no reserved cap_release message in corresponding mds session.
so __queue_cap_release causes kernel panic.

Signed-off-by: default avatarYan, Zheng <zheng.z.yan@intel.com>
Reviewed-by: default avatarSage Weil <sage@inktank.com>
parent 395c312b

fs/ceph/caps.c

+3 −0
Original line number Diff line number Diff line
@@ -2833,6 +2833,9 @@ void ceph_handle_caps(struct ceph_mds_session *session, 
	dout(" mds%d seq %lld cap seq %u\n", session->s_mds, session->s_seq,

	     (unsigned)seq);



	if (op == CEPH_CAP_OP_IMPORT)

		ceph_add_cap_releases(mdsc, session);



	/* lookup ino */

	inode = ceph_find_inode(sb, vino);

	ci = ceph_inode(inode);