nfsd4: get lock checks out of preprocess_seqid_op
We've got some lock-specific code here in nfs4_preprocess_seqid_op which
is only used by nfsd4_lock(). Move it to the caller.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index aafc41a..d2bf80d 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -3396,7 +3396,7 @@
nfs4_preprocess_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid,
stateid_t *stateid, int flags,
struct nfs4_stateowner **sopp,
- struct nfs4_stateid **stpp, struct nfsd4_lock *lock)
+ struct nfs4_stateid **stpp)
{
struct nfs4_stateid *stp;
struct nfs4_stateowner *sop;
@@ -3439,27 +3439,6 @@
*stpp = stp;
*sopp = sop = stp->st_stateowner;
- if (lock) {
- clientid_t *lockclid = &lock->v.new.clientid;
- struct nfs4_client *clp = sop->so_client;
- int lkflg = 0;
- __be32 status;
-
- lkflg = setlkflg(lock->lk_type);
-
- if (lock->lk_is_new) {
- if (!sop->so_is_open_owner)
- return nfserr_bad_stateid;
- if (!nfsd4_has_session(cstate) &&
- !same_clid(&clp->cl_clientid, lockclid))
- return nfserr_bad_stateid;
- }
- /* stp is the open stateid */
- status = nfs4_check_openmode(stp, lkflg);
- if (status)
- return status;
- }
-
if (nfs4_check_fh(current_fh, stp)) {
dprintk("NFSD: preprocess_seqid_op: fh-stateid mismatch!\n");
return nfserr_bad_stateid;
@@ -3522,7 +3501,7 @@
if ((status = nfs4_preprocess_seqid_op(cstate,
oc->oc_seqid, &oc->oc_req_stateid,
CONFIRM | OPEN_STATE,
- &oc->oc_stateowner, &stp, NULL)))
+ &oc->oc_stateowner, &stp)))
goto out;
sop = oc->oc_stateowner;
@@ -3585,7 +3564,7 @@
od->od_seqid,
&od->od_stateid,
OPEN_STATE,
- &od->od_stateowner, &stp, NULL)))
+ &od->od_stateowner, &stp)))
goto out;
status = nfserr_inval;
@@ -3635,7 +3614,7 @@
close->cl_seqid,
&close->cl_stateid,
OPEN_STATE | CLOSE_STATE,
- &close->cl_stateowner, &stp, NULL)))
+ &close->cl_stateowner, &stp)))
goto out;
status = nfs_ok;
update_stateid(&stp->st_stateid);
@@ -3997,6 +3976,7 @@
struct file_lock conflock;
__be32 status = 0;
unsigned int strhashval;
+ int lkflg;
int err;
dprintk("NFSD: nfsd4_lock: start=%Ld length=%Ld\n",
@@ -4032,11 +4012,17 @@
lock->lk_new_open_seqid,
&lock->lk_new_open_stateid,
OPEN_STATE,
- &lock->lk_replay_owner, &open_stp,
- lock);
+ &lock->lk_replay_owner, &open_stp);
if (status)
goto out;
+ status = nfserr_bad_stateid;
open_sop = lock->lk_replay_owner;
+ if (!open_sop->so_is_open_owner)
+ goto out;
+ if (!nfsd4_has_session(cstate) &&
+ !same_clid(&open_sop->so_client->cl_clientid,
+ &lock->v.new.clientid))
+ goto out;
/* create lockowner and lock stateid */
fp = open_stp->st_file;
strhashval = lock_ownerstr_hashval(fp->fi_inode,
@@ -4059,7 +4045,7 @@
lock->lk_old_lock_seqid,
&lock->lk_old_lock_stateid,
LOCK_STATE,
- &lock->lk_replay_owner, &lock_stp, lock);
+ &lock->lk_replay_owner, &lock_stp);
if (status)
goto out;
lock_sop = lock->lk_replay_owner;
@@ -4067,6 +4053,11 @@
}
/* lock->lk_replay_owner and lock_stp have been created or found */
+ lkflg = setlkflg(lock->lk_type);
+ status = nfs4_check_openmode(lock_stp, lkflg);
+ if (status)
+ goto out;
+
status = nfserr_grace;
if (locks_in_grace() && !lock->lk_reclaim)
goto out;
@@ -4259,7 +4250,7 @@
locku->lu_seqid,
&locku->lu_stateid,
LOCK_STATE,
- &locku->lu_stateowner, &stp, NULL)))
+ &locku->lu_stateowner, &stp)))
goto out;
filp = find_any_file(stp->st_file);