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Commit 964266cc authored by Yan, Zheng's avatar Yan, Zheng Committed by Sage Weil
Browse files

ceph: set mds_want according to cap import message 



MDS ignores cap update message if migrate_seq mismatch, so when
receiving a cap import message with higher migrate_seq, set mds_want
according to the cap import message.

Signed-off-by: default avatarYan, Zheng <zheng.z.yan@intel.com>
Reviewed-by: default avatarGreg Farnum <greg@inktank.com>
parent d40ee0dc

fs/ceph/caps.c

+5 −1
Original line number Diff line number Diff line
@@ -553,6 +553,7 @@ int ceph_add_cap(struct inode *inode, 
		cap->implemented = 0;

		cap->mds = mds;

		cap->mds_wanted = 0;

		cap->mseq = 0;



		cap->ci = ci;

		__insert_cap_node(ci, cap);
@@ -628,6 +629,9 @@ int ceph_add_cap(struct inode *inode, 
	cap->cap_id = cap_id;

	cap->issued = issued;

	cap->implemented |= issued;

	if (mseq > cap->mseq)

		cap->mds_wanted = wanted;

	else

		cap->mds_wanted |= wanted;

	cap->seq = seq;

	cap->issue_seq = seq;