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authorJ. Bruce Fields <bfields@redhat.com>2011-08-31 15:25:46 -0400
committerJ. Bruce Fields <bfields@redhat.com>2011-08-31 17:55:59 -0400
commit5fa0bbb4ee5481a6b3e83c4968142ca433d71914 (patch)
treec49d35667fdbb86979b92f0c51c1492b45c47332 /fs
parentc2d8eb7ac645e1baba7205cb2631e2f21db3d6a9 (diff)
nfsd4: simplify distinguishing lock & open stateid's
The trick free_stateid is using is a little cheesy, and we'll have more uses for this field later. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/nfsd/nfs4state.c9
-rw-r--r--fs/nfsd/state.h3
2 files changed, 6 insertions, 6 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index d2b637b717c3..7de214b860db 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -2285,6 +2285,7 @@ init_stateid(struct nfs4_stateid *stp, struct nfs4_file *fp, struct nfsd4_open *
list_add(&stp->st_hash, &stateid_hashtbl[hashval]);
list_add(&stp->st_perstateowner, &sop->so_stateids);
list_add(&stp->st_perfile, &fp->fi_stateids);
+ stp->st_type = NFS4_OPEN_STID;
stp->st_stateowner = sop;
get_nfs4_file(fp);
stp->st_file = fp;
@@ -3201,11 +3202,6 @@ static int is_delegation_stateid(stateid_t *stateid)
return stateid->si_fileid == 0;
}
-static int is_open_stateid(struct nfs4_stateid *stateid)
-{
- return stateid->st_openstp == NULL;
-}
-
__be32 nfs4_validate_stateid(stateid_t *stateid, bool has_session)
{
struct nfs4_stateid *stp = NULL;
@@ -3369,7 +3365,7 @@ nfsd4_free_stateid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
}
}
- if (is_open_stateid(stp)) {
+ if (stp->st_type == NFS4_OPEN_STID) {
ret = nfserr_locks_held;
goto out;
} else {
@@ -3928,6 +3924,7 @@ alloc_init_lock_stateid(struct nfs4_stateowner *sop, struct nfs4_file *fp, struc
list_add(&stp->st_perfile, &fp->fi_stateids);
list_add(&stp->st_perstateowner, &sop->so_stateids);
stp->st_stateowner = sop;
+ stp->st_type = NFS4_LOCK_STID;
get_nfs4_file(fp);
stp->st_file = fp;
stp->st_stateid.si_boot = boot_time;
diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h
index 6b706a60ce88..a06f55bd38b6 100644
--- a/fs/nfsd/state.h
+++ b/fs/nfsd/state.h
@@ -425,6 +425,9 @@ static inline struct file *find_any_file(struct nfs4_file *f)
*/
struct nfs4_stateid {
+#define NFS4_OPEN_STID 1
+#define NFS4_LOCK_STID 2
+ char st_type;
struct list_head st_hash;
struct list_head st_perfile;
struct list_head st_perstateowner;