From: "J. Bruce Fields" <bfields@redhat.com>
To: linux-nfs@vger.kernel.org
Cc: "J. Bruce Fields" <bfields@redhat.com>
Subject: [PATCH 3/5] nfsd4: simplify free_stateid
Date: Mon, 19 Sep 2011 09:15:41 -0400 [thread overview]
Message-ID: <1316438143-1057-3-git-send-email-bfields@redhat.com> (raw)
In-Reply-To: <20110919131415.GB32498@fieldses.org>
We no longer need is_deleg_stateid, for example.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
---
fs/nfsd/nfs4state.c | 66 +++++++++++---------------------------------------
1 files changed, 15 insertions(+), 51 deletions(-)
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index a174841..fdd03f6 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -1098,16 +1098,6 @@ static struct nfs4_stid *find_stateid(stateid_t *t)
return NULL;
}
-static struct nfs4_ol_stateid *find_ol_stateid(stateid_t *t)
-{
- struct nfs4_stid *s;
-
- s = find_stateid(t);
- if (!s)
- return NULL;
- return openlockstateid(s);
-}
-
static struct nfs4_stid *find_stateid_by_type(stateid_t *t, char typemask)
{
struct nfs4_stid *s;
@@ -3251,11 +3241,6 @@ static int check_stateid_generation(stateid_t *in, stateid_t *ref, bool has_sess
return nfserr_old_stateid;
}
-static int is_delegation_stateid(stateid_t *stateid)
-{
- return stateid->si_fileid == 0;
-}
-
__be32 nfs4_validate_stateid(stateid_t *stateid, bool has_session)
{
struct nfs4_stid *s;
@@ -3353,16 +3338,6 @@ out:
}
static __be32
-nfsd4_free_delegation_stateid(stateid_t *stateid)
-{
- struct nfs4_delegation *dp = find_deleg_stateid(stateid);
- if (dp)
- return nfserr_locks_held;
-
- return nfserr_bad_stateid;
-}
-
-static __be32
nfsd4_free_lock_stateid(struct nfs4_ol_stateid *stp)
{
if (check_for_locks(stp->st_file, lockowner(stp->st_stateowner)))
@@ -3382,40 +3357,32 @@ nfsd4_test_stateid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
return nfs_ok;
}
-/*
- * Free a state id
- */
__be32
nfsd4_free_stateid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
struct nfsd4_free_stateid *free_stateid)
{
stateid_t *stateid = &free_stateid->fr_stateid;
- struct nfs4_ol_stateid *stp;
- __be32 ret;
+ struct nfs4_stid *s;
+ __be32 ret = nfserr_bad_stateid;
nfs4_lock_state();
- if (is_delegation_stateid(stateid)) {
- ret = nfsd4_free_delegation_stateid(stateid);
- goto out;
- }
-
- stp = find_ol_stateid(stateid);
- if (!stp) {
- ret = nfserr_bad_stateid;
- goto out;
- }
- ret = check_stateid_generation(stateid, &stp->st_stid.sc_stateid, 1);
- if (ret)
+ s = find_stateid(stateid);
+ if (!s)
goto out;
-
- if (stp->st_stid.sc_type == NFS4_OPEN_STID) {
+ switch (s->sc_type) {
+ case NFS4_DELEG_STID:
ret = nfserr_locks_held;
goto out;
- } else {
- ret = nfsd4_free_lock_stateid(stp);
- goto out;
+ case NFS4_OPEN_STID:
+ case NFS4_LOCK_STID:
+ ret = check_stateid_generation(stateid, &s->sc_stateid, 1);
+ if (ret)
+ goto out;
+ if (s->sc_type == NFS4_LOCK_STID)
+ ret = nfsd4_free_lock_stateid(openlockstateid(s));
+ else
+ ret = nfserr_locks_held;
}
-
out:
nfs4_unlock_state();
return ret;
@@ -3698,9 +3665,6 @@ nfsd4_delegreturn(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
status = nfserr_stale_stateid;
if (STALE_STATEID(stateid))
goto out;
- status = nfserr_bad_stateid;
- if (!is_delegation_stateid(stateid))
- goto out;
status = nfserr_expired;
dp = find_deleg_stateid(stateid);
if (!dp)
--
1.7.4.1
next prev parent reply other threads:[~2011-09-19 13:15 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-14 11:44 [PATCH 00/25] nfsd4 state cleanup J. Bruce Fields
2011-09-14 11:44 ` [PATCH 01/25] nfsd4: centralize handling of replay owners J. Bruce Fields
2011-09-14 11:44 ` [PATCH 02/25] nfsd4: cleanup seqid op stateowner usage J. Bruce Fields
2011-09-14 11:44 ` [PATCH 03/25] nfsd4: extend state lock over seqid replay logic J. Bruce Fields
2011-09-27 16:55 ` Bryan Schumaker
2011-09-28 1:40 ` J. Bruce Fields
2011-09-28 1:49 ` J. Bruce Fields
2011-09-28 13:18 ` Bryan Schumaker
2011-09-28 13:44 ` J. Bruce Fields
2011-09-14 11:45 ` [PATCH 04/25] nfsd4: eliminate impossible open replay case J. Bruce Fields
2011-09-14 11:45 ` [PATCH 05/25] nfsd4: drop most stateowner refcounting J. Bruce Fields
2011-09-14 11:45 ` [PATCH 06/25] nfsd4: eliminate unused lt_stateowner J. Bruce Fields
2011-09-14 11:45 ` [PATCH 07/25] nfsd4: share common seqid checks J. Bruce Fields
2011-09-14 11:45 ` [PATCH 08/25] nfsd4: simplify check_open logic J. Bruce Fields
2011-09-14 11:45 ` [PATCH 09/25] nfsd4: move double-confirm test to open_confirm J. Bruce Fields
2011-09-14 11:45 ` [PATCH 10/25] nfsd4: move CLOSE_STATE special case to caller J. Bruce Fields
2011-09-14 11:45 ` [PATCH 11/25] nfsd4: split stateowners into open and lockowners J. Bruce Fields
2011-09-14 11:45 ` [PATCH 12/25] nfsd4: split out some free_generic_stateid code J. Bruce Fields
2011-09-14 11:45 ` [PATCH 13/25] nfsd4: rearrange to avoid a forward reference J. Bruce Fields
2011-09-14 11:45 ` [PATCH 14/25] nfsd4: split up find_stateid J. Bruce Fields
2011-09-14 11:45 ` [PATCH 15/25] nfsd4: split preprocess_seqid, cleanup J. Bruce Fields
2011-09-14 11:45 ` [PATCH 16/25] nfsd4: pass around typemask instead of flags J. Bruce Fields
2011-09-14 11:45 ` [PATCH 17/25] nfsd4: rename init_stateid J. Bruce Fields
2011-09-14 11:45 ` [PATCH 18/25] nfsd4: remove redundant stateid initialization J. Bruce Fields
2011-09-14 11:45 ` [PATCH 19/25] nfsd4: move some of nfs4_stateid into a separate structure J. Bruce Fields
2011-09-14 11:45 ` [PATCH 20/25] nfsd4: add common dl_stid field to delegation J. Bruce Fields
2011-09-14 11:45 ` [PATCH 21/25] nfsd4: share common stid-hashing helper function J. Bruce Fields
2011-09-14 11:45 ` [PATCH 22/25] nfsd4: hash deleg stateid's like any other J. Bruce Fields
2011-09-14 11:45 ` [PATCH 23/25] nfsd4: fix test_stateid for delegation stateid's J. Bruce Fields
2011-09-14 11:45 ` [PATCH 24/25] nfsd4: use deleg changes to cleanup preprocess_stateid_op J. Bruce Fields
2011-09-14 11:45 ` [PATCH 25/25] nfsd4: better stateid hashing J. Bruce Fields
2011-09-19 13:14 ` [PATCH 00/25] nfsd4 state cleanup J. Bruce Fields
2011-09-19 13:15 ` [PATCH 1/5] nfsd4: replace oo_confirmed by flag bit J. Bruce Fields
2011-09-19 13:15 ` [PATCH 2/5] nfsd4: match close replays on stateid, not open owner id J. Bruce Fields
2011-09-19 13:15 ` J. Bruce Fields [this message]
2011-09-19 13:15 ` [PATCH 4/5] nfsd4: construct stateid from clientid and counter J. Bruce Fields
2011-09-27 16:10 ` Bryan Schumaker
2011-09-28 15:49 ` J. Bruce Fields
2011-10-03 14:43 ` Benny Halevy
2011-10-03 14:57 ` J. Bruce Fields
2011-10-03 15:13 ` Benny Halevy
2011-10-03 15:38 ` J. Bruce Fields
2011-10-04 15:52 ` Benny Halevy
2011-10-04 16:02 ` J. Bruce Fields
2011-09-19 13:15 ` [PATCH 5/5] nfsd4: hash closed stateid's like any other J. Bruce Fields
2011-09-26 22:36 ` [PATCH 00/25] nfsd4 state cleanup J. Bruce Fields
2011-09-26 22:44 ` J. Bruce Fields
2011-09-26 22:37 ` J. Bruce Fields
2011-09-26 22:39 ` [PATCH 1/4] nfsd4: move client * to nfs4_stateid, add init_stid helper J. Bruce Fields
2011-09-26 22:39 ` [PATCH 2/4] nfsd4: use idr for stateid's J. Bruce Fields
2011-09-26 22:39 ` [PATCH 3/4] nfsd4: assume test_stateid always has session J. Bruce Fields
2011-09-26 22:39 ` [PATCH 4/4] nfsd4: look up stateid's per clientid J. Bruce Fields
2011-11-08 22:57 ` [PATCH 00/25] nfsd4 state cleanup J. Bruce Fields
2011-11-08 22:59 ` [PATCH 1/3] nfsd4: hash lockowners to simplify RELEASE_LOCKOWNER J. Bruce Fields
2011-11-08 22:59 ` [PATCH 2/3] nfsd4: share open and lock owner hash tables J. Bruce Fields
2011-11-08 22:59 ` [PATCH 3/3] nfsd4: add a separate (lockowner, inode) lookup J. Bruce Fields
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