From: Trond Myklebust <trond.myklebust@primarydata.com>
Date: Wed, 30 Jul 2014 01:34:30 +0000 (-0400)
Subject: nfsd: Make lock stateid take a reference to the lockowner
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=e4f1dd7fc23f92efdaaa07d001b3dd5391505580;p=linux-beck.git

nfsd: Make lock stateid take a reference to the lockowner

A necessary step toward client_mutex removal.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
---

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 906c8604de30..88225f0bbc12 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -928,6 +928,8 @@ static void nfs4_free_lock_stateid(struct nfs4_stid *stid)
 	file = find_any_file(stp->st_stid.sc_file);
 	if (file)
 		filp_close(file, (fl_owner_t)lo);
+	if (stp->st_stateowner)
+		nfs4_put_stateowner(stp->st_stateowner);
 	nfs4_free_ol_stateid(stid);
 }
 
@@ -4831,6 +4833,7 @@ init_lock_stateid(struct nfs4_ol_stateid *stp, struct nfs4_lockowner *lo,
 	atomic_inc(&stp->st_stid.sc_count);
 	stp->st_stid.sc_type = NFS4_LOCK_STID;
 	stp->st_stateowner = &lo->lo_owner;
+	atomic_inc(&lo->lo_owner.so_count);
 	get_nfs4_file(fp);
 	stp->st_stid.sc_file = fp;
 	stp->st_stid.sc_free = nfs4_free_lock_stateid;