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Commit 19e4c347 authored by Jeff Layton's avatar Jeff Layton Committed by J. Bruce Fields
Browse files

nfsd: set the MAY_NOTIFY_LOCK flag in OPEN replies 



If we are using v4.1+, then we can send notification when contended
locks become free. Inform the client of that fact.

Signed-off-by: default avatarJeff Layton <jlayton@redhat.com>
Signed-off-by: default avatarJ. Bruce Fields <bfields@redhat.com>
parent b4c8eb03

fs/nfsd/nfs4state.c

+4 −2
Original line number Diff line number Diff line
@@ -4490,9 +4490,11 @@ nfsd4_process_open2(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nf 
	* To finish the open response, we just need to set the rflags.

	*/

	open->op_rflags = NFS4_OPEN_RESULT_LOCKTYPE_POSIX;

	if (!(open->op_openowner->oo_flags & NFS4_OO_CONFIRMED) &&

	    !nfsd4_has_session(&resp->cstate))

	if (nfsd4_has_session(&resp->cstate))

		open->op_rflags |= NFS4_OPEN_RESULT_MAY_NOTIFY_LOCK;

	else if (!(open->op_openowner->oo_flags & NFS4_OO_CONFIRMED))

		open->op_rflags |= NFS4_OPEN_RESULT_CONFIRM;



	if (dp)

		nfs4_put_stid(&dp->dl_stid);

	if (stp)