diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/nfsd/nfs4state.c | 58 |
1 files changed, 34 insertions, 24 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 8ac0c9abe941..260c1cbe25c4 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -70,8 +70,6 @@ u32 list_add_perfile = 0; u32 list_del_perfile = 0; u32 add_perclient = 0; u32 del_perclient = 0; -u32 alloc_file = 0; -u32 free_file = 0; u32 vfsopen = 0; u32 vfsclose = 0; u32 alloc_delegation= 0; @@ -90,6 +88,9 @@ static void release_stateid_lockowners(struct nfs4_stateid *open_stp); */ static DECLARE_MUTEX(client_sema); +kmem_cache_t *stateowner_slab = NULL; +kmem_cache_t *file_slab = NULL; + void nfs4_lock_state(void) { @@ -961,14 +962,14 @@ alloc_init_file(struct inode *ino) struct nfs4_file *fp; unsigned int hashval = file_hashval(ino); - if ((fp = kmalloc(sizeof(struct nfs4_file),GFP_KERNEL))) { + fp = kmem_cache_alloc(file_slab, GFP_KERNEL); + if (fp) { INIT_LIST_HEAD(&fp->fi_hash); INIT_LIST_HEAD(&fp->fi_perfile); INIT_LIST_HEAD(&fp->fi_del_perfile); list_add(&fp->fi_hash, &file_hashtbl[hashval]); fp->fi_inode = igrab(ino); fp->fi_id = current_fileid++; - alloc_file++; return fp; } return NULL; @@ -992,29 +993,41 @@ release_all_files(void) } } -kmem_cache_t *stateowner_slab = NULL; - -static int -nfsd4_init_slabs(void) +static void +nfsd4_free_slab(kmem_cache_t **slab) { - stateowner_slab = kmem_cache_create("nfsd4_stateowners", - sizeof(struct nfs4_stateowner), 0, 0, NULL, NULL); - if (stateowner_slab == NULL) { - dprintk("nfsd4: out of memory while initializing nfsv4\n"); - return -ENOMEM; - } - return 0; + int status; + + if (*slab == NULL) + return; + status = kmem_cache_destroy(*slab); + *slab = NULL; + WARN_ON(status); } static void nfsd4_free_slabs(void) { - int status = 0; + nfsd4_free_slab(&stateowner_slab); + nfsd4_free_slab(&file_slab); +} - if (stateowner_slab) - status = kmem_cache_destroy(stateowner_slab); - stateowner_slab = NULL; - BUG_ON(status); +static int +nfsd4_init_slabs(void) +{ + stateowner_slab = kmem_cache_create("nfsd4_stateowners", + sizeof(struct nfs4_stateowner), 0, 0, NULL, NULL); + if (stateowner_slab == NULL) + goto out_nomem; + file_slab = kmem_cache_create("nfsd4_files", + sizeof(struct nfs4_file), 0, 0, NULL, NULL); + if (file_slab == NULL) + goto out_nomem; + return 0; +out_nomem: + nfsd4_free_slabs(); + dprintk("nfsd4: out of memory while initializing nfsv4\n"); + return -ENOMEM; } void @@ -1167,10 +1180,9 @@ release_stateid(struct nfs4_stateid *stp, int flags) static void release_file(struct nfs4_file *fp) { - free_file++; list_del(&fp->fi_hash); iput(fp->fi_inode); - kfree(fp); + kmem_cache_free(file_slab, fp); } void @@ -3286,8 +3298,6 @@ __nfs4_state_shutdown(void) list_add_perfile, list_del_perfile); dprintk("NFSD: add_perclient %d del_perclient %d\n", add_perclient, del_perclient); - dprintk("NFSD: alloc_file %d free_file %d\n", - alloc_file, free_file); dprintk("NFSD: vfsopen %d vfsclose %d\n", vfsopen, vfsclose); dprintk("NFSD: alloc_delegation %d free_delegation %d\n", |