From: "J. Bruce Fields" <bfields@redhat.com>
To: linux-nfs@vger.kernel.org
Cc: "J. Bruce Fields" <bfields@redhat.com>
Subject: [PATCH 07/15] nfsd4: remove HAS_SESSION
Date: Fri, 26 Aug 2011 18:28:28 -0400 [thread overview]
Message-ID: <1314397716-18602-8-git-send-email-bfields@redhat.com> (raw)
In-Reply-To: <1314397716-18602-1-git-send-email-bfields@redhat.com>
This flag doesn't really buy us anything.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
---
fs/nfsd/nfs4state.c | 30 ++++++++++--------------------
fs/nfsd/state.h | 3 +--
fs/nfsd/xdr4.h | 2 +-
3 files changed, 12 insertions(+), 23 deletions(-)
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 7fb6ddc..a77d8a5 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -3170,13 +3170,13 @@ grace_disallows_io(struct inode *inode)
return locks_in_grace() && mandatory_lock(inode);
}
-static int check_stateid_generation(stateid_t *in, stateid_t *ref, int flags)
+static int check_stateid_generation(stateid_t *in, stateid_t *ref, bool has_session)
{
/*
* When sessions are used the stateid generation number is ignored
* when it is zero.
*/
- if ((flags & HAS_SESSION) && in->si_generation == 0)
+ if (has_session && in->si_generation == 0)
goto out;
/* If the client sends us a stateid from the future, it's buggy: */
@@ -3208,7 +3208,7 @@ static int is_open_stateid(struct nfs4_stateid *stateid)
return stateid->st_openstp == NULL;
}
-__be32 nfs4_validate_stateid(stateid_t *stateid, int flags)
+__be32 nfs4_validate_stateid(stateid_t *stateid, bool has_session)
{
struct nfs4_stateid *stp = NULL;
__be32 status = nfserr_stale_stateid;
@@ -3225,7 +3225,7 @@ __be32 nfs4_validate_stateid(stateid_t *stateid, int flags)
if (!stp->st_stateowner->so_confirmed)
goto out;
- status = check_stateid_generation(stateid, &stp->st_stateid, flags);
+ status = check_stateid_generation(stateid, &stp->st_stateid, has_session);
if (status)
goto out;
@@ -3253,9 +3253,6 @@ nfs4_preprocess_stateid_op(struct nfsd4_compound_state *cstate,
if (grace_disallows_io(ino))
return nfserr_grace;
- if (nfsd4_has_session(cstate))
- flags |= HAS_SESSION;
-
if (ZERO_STATEID(stateid) || ONE_STATEID(stateid))
return check_special_stateids(current_fh, stateid, flags);
@@ -3272,8 +3269,7 @@ nfs4_preprocess_stateid_op(struct nfsd4_compound_state *cstate,
dp = find_delegation_stateid(ino, stateid);
if (!dp)
goto out;
- status = check_stateid_generation(stateid, &dp->dl_stateid,
- flags);
+ status = check_stateid_generation(stateid, &dp->dl_stateid, nfsd4_has_session(cstate));
if (status)
goto out;
status = nfs4_check_delegmode(dp, flags);
@@ -3294,7 +3290,7 @@ nfs4_preprocess_stateid_op(struct nfsd4_compound_state *cstate,
if (!stp->st_stateowner->so_confirmed)
goto out;
status = check_stateid_generation(stateid, &stp->st_stateid,
- flags);
+ nfsd4_has_session(cstate));
if (status)
goto out;
status = nfs4_check_openmode(stp, flags);
@@ -3423,9 +3419,6 @@ nfs4_preprocess_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid,
if (STALE_STATEID(stateid))
return nfserr_stale_stateid;
- if (nfsd4_has_session(cstate))
- flags |= HAS_SESSION;
-
/*
* We return BAD_STATEID if filehandle doesn't match stateid,
* the confirmed flag is incorrecly set, or the generation
@@ -3459,7 +3452,7 @@ nfs4_preprocess_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid,
if (lock->lk_is_new) {
if (!sop->so_is_open_owner)
return nfserr_bad_stateid;
- if (!(flags & HAS_SESSION) &&
+ if (!nfsd4_has_session(cstate) &&
!same_clid(&clp->cl_clientid, lockclid))
return nfserr_bad_stateid;
/* stp is the open stateid */
@@ -3484,7 +3477,7 @@ nfs4_preprocess_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid,
* For the moment, we ignore the possibility of
* generation number wraparound.
*/
- if (!(flags & HAS_SESSION) && seqid != sop->so_seqid)
+ if (!nfsd4_has_session(cstate) && seqid != sop->so_seqid)
goto check_replay;
if (sop->so_confirmed && flags & CONFIRM) {
@@ -3497,7 +3490,7 @@ nfs4_preprocess_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid,
" confirmed yet!\n");
return nfserr_bad_stateid;
}
- status = check_stateid_generation(stateid, &stp->st_stateid, flags);
+ status = check_stateid_generation(stateid, &stp->st_stateid, nfsd4_has_session(cstate));
if (status)
return status;
renew_client(sop->so_client);
@@ -3681,14 +3674,11 @@ nfsd4_delegreturn(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
stateid_t *stateid = &dr->dr_stateid;
struct inode *inode;
__be32 status;
- int flags = 0;
if ((status = fh_verify(rqstp, &cstate->current_fh, S_IFREG, 0)))
return status;
inode = cstate->current_fh.fh_dentry->d_inode;
- if (nfsd4_has_session(cstate))
- flags |= HAS_SESSION;
nfs4_lock_state();
status = nfserr_bad_stateid;
if (ZERO_STATEID(stateid) || ONE_STATEID(stateid))
@@ -3703,7 +3693,7 @@ nfsd4_delegreturn(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
dp = find_delegation_stateid(inode, stateid);
if (!dp)
goto out;
- status = check_stateid_generation(stateid, &dp->dl_stateid, flags);
+ status = check_stateid_generation(stateid, &dp->dl_stateid, nfsd4_has_session(cstate));
if (status)
goto out;
renew_client(dp->dl_client);
diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h
index 5cfebe5..4a69c89 100644
--- a/fs/nfsd/state.h
+++ b/fs/nfsd/state.h
@@ -439,7 +439,6 @@ struct nfs4_stateid {
};
/* flags for preprocess_seqid_op() */
-#define HAS_SESSION 0x00000001
#define CONFIRM 0x00000002
#define OPEN_STATE 0x00000004
#define LOCK_STATE 0x00000008
@@ -476,7 +475,7 @@ extern void nfsd4_recdir_purge_old(void);
extern int nfsd4_create_clid_dir(struct nfs4_client *clp);
extern void nfsd4_remove_clid_dir(struct nfs4_client *clp);
extern void release_session_client(struct nfsd4_session *);
-extern __be32 nfs4_validate_stateid(stateid_t *, int);
+extern __be32 nfs4_validate_stateid(stateid_t *, bool);
static inline void
nfs4_put_stateowner(struct nfs4_stateowner *so)
diff --git a/fs/nfsd/xdr4.h b/fs/nfsd/xdr4.h
index d2a8d044..663193b 100644
--- a/fs/nfsd/xdr4.h
+++ b/fs/nfsd/xdr4.h
@@ -351,7 +351,7 @@ struct nfsd4_saved_compoundargs {
struct nfsd4_test_stateid {
__be32 ts_num_ids;
- __be32 ts_has_session;
+ bool ts_has_session;
struct nfsd4_compoundargs *ts_saved_args;
struct nfsd4_saved_compoundargs ts_savedp;
};
--
1.7.4.1
next prev parent reply other threads:[~2011-08-26 22:28 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-26 22:28 miscellaneous nfsd (mainly v4 state) cleanup & bugfixes J. Bruce Fields
2011-08-26 22:28 ` [PATCH 01/15] nfsd: remove unused defines J. Bruce Fields
2011-08-26 22:28 ` [PATCH 02/15] Remove include/linux/nfsd/const.h J. Bruce Fields
2011-08-26 22:28 ` [PATCH 03/15] nfsd4: stop using nfserr_resource for transitory errors J. Bruce Fields
2011-08-26 22:28 ` [PATCH 04/15] nfsd4: replace some macros by functions J. Bruce Fields
2011-08-26 22:28 ` [PATCH 05/15] nfsd4: name openowner data structures more clearly J. Bruce Fields
2011-08-26 22:28 ` [PATCH 06/15] nfsd4: cleanup lock/stateowner initialization J. Bruce Fields
2011-08-26 22:28 ` J. Bruce Fields [this message]
2011-08-26 22:28 ` [PATCH 08/15] nfsd4: cleanup and consolidate seqid_mutating_err J. Bruce Fields
2011-08-26 22:28 ` [PATCH 09/15] nfsd4: simplify lock openmode check J. Bruce Fields
2011-08-26 22:28 ` [PATCH 10/15] nfsd4: get lock checks out of preprocess_seqid_op J. Bruce Fields
2011-08-26 22:28 ` [PATCH 11/15] nfsd4: remove redundant is_open_owner check J. Bruce Fields
2011-08-26 22:28 ` [PATCH 12/15] nfsd4: consolidate lock & open stateid tables J. Bruce Fields
2011-08-26 22:28 ` [PATCH 13/15] nfsd4: simplify stateid generation code, fix wraparound J. Bruce Fields
2011-08-26 22:28 ` [PATCH 14/15] nfsd4: centralize handling of replay owners J. Bruce Fields
2011-08-26 22:28 ` [PATCH 15/15] nfsd4: cleanup seqid op stateowner usage J. Bruce Fields
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