nfsd4: split lockstateid/openstateid release logic

[safe/jmp/linux-2.6] / fs / nfsd / nfs4state.c

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index b6f60f4..e83b3c8 100644 (file)
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -119,7 +119,6 @@ opaque_hashval(const void *ptr, int nbytes)
 
 /* forward declarations */
 static void release_stateowner(struct nfs4_stateowner *sop);
-static void release_stateid(struct nfs4_stateid *stp, int flags);
 
 /*
  * Delegation state
@@ -311,6 +310,34 @@ static struct list_head    unconf_id_hashtbl[CLIENT_HASH_SIZE];
 static struct list_head client_lru;
 static struct list_head close_lru;
 
+static void unhash_generic_stateid(struct nfs4_stateid *stp)
+{
+       list_del(&stp->st_hash);
+       list_del(&stp->st_perfile);
+       list_del(&stp->st_perstateowner);
+}
+
+static void free_generic_stateid(struct nfs4_stateid *stp)
+{
+       put_nfs4_file(stp->st_file);
+       kmem_cache_free(stateid_slab, stp);
+}
+
+static void release_lock_stateid(struct nfs4_stateid *stp)
+{
+       unhash_generic_stateid(stp);
+       locks_remove_posix(stp->st_vfs_file, (fl_owner_t)stp->st_stateowner);
+       free_generic_stateid(stp);
+}
+
+static void release_open_stateid(struct nfs4_stateid *stp)
+{
+       unhash_generic_stateid(stp);
+       release_stateid_lockowners(stp);
+       nfsd_close(stp->st_vfs_file);
+       free_generic_stateid(stp);
+}
+
 static inline void
 renew_client(struct nfs4_client *clp)
 {
@@ -1065,9 +1092,9 @@ unhash_stateowner(struct nfs4_stateowner *sop)
                stp = list_entry(sop->so_stateids.next,
                        struct nfs4_stateid, st_perstateowner);
                if (sop->so_is_open_owner)
-                       release_stateid(stp, OPEN_STATE);
+                       release_open_stateid(stp);
                else
-                       release_stateid(stp, LOCK_STATE);
+                       release_lock_stateid(stp);
        }
 }
 
@@ -1106,24 +1133,6 @@ init_stateid(struct nfs4_stateid *stp, struct nfs4_file *fp, struct nfsd4_open *
 }
 
 static void
-release_stateid(struct nfs4_stateid *stp, int flags)
-{
-       struct file *filp = stp->st_vfs_file;
-
-       list_del(&stp->st_hash);
-       list_del(&stp->st_perfile);
-       list_del(&stp->st_perstateowner);
-       if (flags & OPEN_STATE) {
-               release_stateid_lockowners(stp);
-               stp->st_vfs_file = NULL;
-               nfsd_close(filp);
-       } else if (flags & LOCK_STATE)
-               locks_remove_posix(filp, (fl_owner_t) stp->st_stateowner);
-       put_nfs4_file(stp->st_file);
-       kmem_cache_free(stateid_slab, stp);
-}
-
-static void
 move_to_close_lru(struct nfs4_stateowner *sop)
 {
        dprintk("NFSD: move_to_close_lru nfs4_stateowner %p\n", sop);
@@ -1764,7 +1773,7 @@ nfsd4_process_open2(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nf
                init_stateid(stp, fp, open);
                status = nfsd4_truncate(rqstp, current_fh, open);
                if (status) {
-                       release_stateid(stp, OPEN_STATE);
+                       release_open_stateid(stp);
                        goto out;
                }
        }
@@ -2373,7 +2382,7 @@ nfsd4_close(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
        memcpy(&close->cl_stateid, &stp->st_stateid, sizeof(stateid_t));
 
        /* release_stateid() calls nfsd_close() if needed */
-       release_stateid(stp, OPEN_STATE);
+       release_open_stateid(stp);
 
        /* place unused nfs4_stateowners on so_close_lru list to be
         * released by the laundromat service after the lease period