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[v3,15/38] nfsd: Prepare nfsd4_close() for open stateid referencing

Message ID 1406684083-19736-16-git-send-email-jlayton@primarydata.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jeff Layton July 30, 2014, 1:34 a.m. UTC 
From: Trond Myklebust <trond.myklebust@primarydata.com>

Prepare nfsd4_close for a future where nfs4_preprocess_seqid_op()
hands it a fully referenced open stateid. Necessary step toward
client_mutex removal.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
---
 fs/nfsd/nfs4state.c | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index f3018cb26769..4e50f14f5bc1 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -4579,10 +4579,15 @@  nfsd4_close(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
 	nfsd4_bump_seqid(cstate, status);
 	if (status)
 		goto out; 
+	/* FIXME: move into nfs4_preprocess_seqid_op */
+	atomic_inc(&stp->st_stid.sc_count);
 	update_stateid(&stp->st_stid.sc_stateid);
 	memcpy(&close->cl_stateid, &stp->st_stid.sc_stateid, sizeof(stateid_t));
 
 	nfsd4_close_open_stateid(stp);
+
+	/* put reference from nfs4_preprocess_seqid_op */
+	nfs4_put_stid(&stp->st_stid);
 out:
 	if (!cstate->replay_owner)
 		nfs4_unlock_state();