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authorJ. Bruce Fields <bfields@redhat.com>2011-09-02 16:36:49 -0400
committerJ. Bruce Fields <bfields@redhat.com>2011-09-03 23:15:28 -0400
commitf4dee24cca98739a4190a00fa014cd1b7e2581a4 (patch)
treef5d4e151450ac40aabaf8bbd802e37c1b1ec70ef /fs/nfsd
parent68b66e8270f44d297a48662e6aed72c5944f77bd (diff)
nfsd4: move CLOSE_STATE special case to caller
Move the CLOSE_STATE case into the unique caller that cares about it rather than putting it in preprocess_seqid_op. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd')
-rw-r--r--fs/nfsd/nfs4state.c56
-rw-r--r--fs/nfsd/state.h1
2 files changed, 27 insertions, 30 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 9c44630a245..eb11626babc 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -3070,15 +3070,13 @@ laundromat_main(struct work_struct *not_used)
}
static struct nfs4_stateowner *
-search_close_lru(u32 st_id, int flags)
+search_close_lru(u32 st_id)
{
- struct nfs4_stateowner *local = NULL;
+ struct nfs4_stateowner *local;
- if (flags & CLOSE_STATE) {
- list_for_each_entry(local, &close_lru, so_close_lru) {
- if (local->so_id == st_id)
- return local;
- }
+ list_for_each_entry(local, &close_lru, so_close_lru) {
+ if (local->so_id == st_id)
+ return local;
}
return NULL;
}
@@ -3381,7 +3379,6 @@ nfs4_preprocess_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid,
stateid_t *stateid, int flags,
struct nfs4_stateid **stpp)
{
- struct nfs4_stateid *stp;
struct nfs4_stateowner *sop;
struct svc_fh *current_fh = &cstate->current_fh;
__be32 status;
@@ -3404,28 +3401,14 @@ nfs4_preprocess_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid,
* the confirmed flag is incorrecly set, or the generation
* number is incorrect.
*/
- stp = find_stateid(stateid, flags);
- if (stp == NULL) {
- /*
- * Also, we should make sure this isn't just the result of
- * a replayed close:
- */
- sop = search_close_lru(stateid->si_stateownerid, flags);
- /* It's not stale; let's assume it's expired: */
- if (sop == NULL)
- return nfserr_expired;
- cstate->replay_owner = sop;
- status = nfsd4_check_seqid(cstate, sop, seqid);
- if (status)
- return status;
- return nfserr_bad_seqid;
- }
+ *stpp = find_stateid(stateid, flags);
+ if (*stpp == NULL)
+ return nfserr_expired;
- *stpp = stp;
- sop = stp->st_stateowner;
+ sop = (*stpp)->st_stateowner;
cstate->replay_owner = sop;
- if (nfs4_check_fh(current_fh, stp)) {
+ if (nfs4_check_fh(current_fh, *stpp)) {
dprintk("NFSD: preprocess_seqid_op: fh-stateid mismatch!\n");
return nfserr_bad_stateid;
}
@@ -3439,7 +3422,7 @@ 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, nfsd4_has_session(cstate));
+ status = check_stateid_generation(stateid, &(*stpp)->st_stateid, nfsd4_has_session(cstate));
if (status)
return status;
renew_client(sop->so_client);
@@ -3574,7 +3557,22 @@ nfsd4_close(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
/* check close_lru for replay */
status = nfs4_preprocess_seqid_op(cstate, close->cl_seqid,
&close->cl_stateid,
- OPEN_STATE | CLOSE_STATE, &stp);
+ OPEN_STATE, &stp);
+ if (stp == NULL && status == nfserr_expired) {
+ /*
+ * Also, we should make sure this isn't just the result of
+ * a replayed close:
+ */
+ so = search_close_lru(close->cl_stateid.si_stateownerid);
+ /* It's not stale; let's assume it's expired: */
+ if (so == NULL)
+ goto out;
+ cstate->replay_owner = so;
+ status = nfsd4_check_seqid(cstate, so, close->cl_seqid);
+ if (status)
+ goto out;
+ status = nfserr_bad_seqid;
+ }
if (status)
goto out;
so = stp->st_stateowner;
diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h
index f7114fc21de..0d88000d15d 100644
--- a/fs/nfsd/state.h
+++ b/fs/nfsd/state.h
@@ -448,7 +448,6 @@ struct nfs4_stateid {
#define LOCK_STATE 0x00000008
#define RD_STATE 0x00000010
#define WR_STATE 0x00000020
-#define CLOSE_STATE 0x00000040
struct nfsd4_compound_state;