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nfsd: clean up nfsd4_close_open_stateid

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Minor cleanup that should introduce no behavioral changes.

Currently this function just unhashes the stateid and leaves the caller
to do the work of the CLOSE processing.

Change nfsd4_close_open_stateid so that it handles doing all of the work
of closing a stateid. Move the handling of the unhashed stateid into it
instead of doing that work in nfsd4_close. This will help isolate some
coming changes to stateid handling from nfsd4_close.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Trond Myklebust 2014-06-30 11:48:37 -04:00 committed by J. Bruce Fields
parent db24b3b4b2
commit acf9295b1c
1 changed files with 18 additions and 20 deletions
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38
fs/nfsd/nfs4state.c
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@ -4129,8 +4129,25 @@ out:
static void nfsd4_close_open_stateid(struct nfs4_ol_stateid *s)
{
unhash_open_stateid(s);
struct nfs4_client *clp = s->st_stid.sc_client;
struct nfs4_openowner *oo = openowner(s->st_stateowner);
s->st_stid.sc_type = NFS4_CLOSED_STID;
unhash_open_stateid(s);
if (clp->cl_minorversion) {
free_generic_stateid(s);
if (list_empty(&oo->oo_owner.so_stateids))
release_openowner(oo);
} else {
oo->oo_last_closed_stid = s;
/*
* In the 4.0 case we need to keep the owners around a
* little while to handle CLOSE replay.
*/
if (list_empty(&oo->oo_owner.so_stateids))
move_to_close_lru(oo, clp->net);
}
}
/*
@ -4141,7 +4158,6 @@ nfsd4_close(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
struct nfsd4_close *close)
{
__be32 status;
struct nfs4_openowner *oo;
struct nfs4_ol_stateid *stp;
struct net *net = SVC_NET(rqstp);
struct nfsd_net *nn = net_generic(net, nfsd_net_id);
@ -4157,28 +4173,10 @@ nfsd4_close(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
nfsd4_bump_seqid(cstate, status);
if (status)
goto out;
oo = openowner(stp->st_stateowner);
update_stateid(&stp->st_stid.sc_stateid);
memcpy(&close->cl_stateid, &stp->st_stid.sc_stateid, sizeof(stateid_t));
nfsd4_close_open_stateid(stp);
if (cstate->minorversion)
free_generic_stateid(stp);
else
oo->oo_last_closed_stid = stp;
if (list_empty(&oo->oo_owner.so_stateids)) {
if (cstate->minorversion)
release_openowner(oo);
else {
/*
* In the 4.0 case we need to keep the owners around a
* little while to handle CLOSE replay.
*/
move_to_close_lru(oo, SVC_NET(rqstp));
}
}
out:
if (!cstate->replay_owner)
nfs4_unlock_state();