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| author | NeilBrown <neilb@cse.unsw.edu.au> | 2005-06-23 22:03:04 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-24 00:06:29 -0700 |
| commit | 5b2d21c1965859acc881dd862b6ebbfae67cdc14 (patch) | |
| tree | 4d7879cd09f0d0efd5e19e9a008668879327efe9 /fs/nfsd | |
| parent | 5ac049ac66416bbe84923f7c2384f23f6ee4aa88 (diff) | |
| download | linux-5b2d21c1965859acc881dd862b6ebbfae67cdc14.tar.gz | |
[PATCH] nfsd4: slabify delegations
Allocate delegations from a slab cache.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/nfsd')
| -rw-r--r-- | fs/nfsd/nfs4state.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index c5fce309d87ebb..927d2007d5abae 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -72,8 +72,6 @@ u32 add_perclient = 0; u32 del_perclient = 0; u32 vfsopen = 0; u32 vfsclose = 0; -u32 alloc_delegation= 0; -u32 free_delegation= 0; /* forward declarations */ struct nfs4_stateid * find_stateid(stateid_t *stid, int flags); @@ -91,6 +89,7 @@ static DECLARE_MUTEX(client_sema); kmem_cache_t *stateowner_slab = NULL; kmem_cache_t *file_slab = NULL; kmem_cache_t *stateid_slab = NULL; +kmem_cache_t *deleg_slab = NULL; void nfs4_lock_state(void) @@ -138,8 +137,8 @@ alloc_init_deleg(struct nfs4_client *clp, struct nfs4_stateid *stp, struct svc_f struct nfs4_callback *cb = &stp->st_stateowner->so_client->cl_callback; dprintk("NFSD alloc_init_deleg\n"); - if ((dp = kmalloc(sizeof(struct nfs4_delegation), - GFP_KERNEL)) == NULL) + dp = kmem_cache_alloc(deleg_slab, GFP_KERNEL); + if (dp == NULL) return dp; INIT_LIST_HEAD(&dp->dl_del_perfile); INIT_LIST_HEAD(&dp->dl_del_perclnt); @@ -164,7 +163,6 @@ alloc_init_deleg(struct nfs4_client *clp, struct nfs4_stateid *stp, struct svc_f atomic_set(&dp->dl_count, 1); list_add(&dp->dl_del_perfile, &fp->fi_del_perfile); list_add(&dp->dl_del_perclnt, &clp->cl_del_perclnt); - alloc_delegation++; return dp; } @@ -173,8 +171,7 @@ nfs4_put_delegation(struct nfs4_delegation *dp) { if (atomic_dec_and_test(&dp->dl_count)) { dprintk("NFSD: freeing dp %p\n",dp); - kfree(dp); - free_delegation++; + kmem_cache_free(deleg_slab, dp); } } @@ -1012,6 +1009,7 @@ nfsd4_free_slabs(void) nfsd4_free_slab(&stateowner_slab); nfsd4_free_slab(&file_slab); nfsd4_free_slab(&stateid_slab); + nfsd4_free_slab(&deleg_slab); } static int @@ -1029,6 +1027,10 @@ nfsd4_init_slabs(void) sizeof(struct nfs4_stateid), 0, 0, NULL, NULL); if (stateid_slab == NULL) goto out_nomem; + deleg_slab = kmem_cache_create("nfsd4_delegations", + sizeof(struct nfs4_delegation), 0, 0, NULL, NULL); + if (deleg_slab == NULL) + goto out_nomem; return 0; out_nomem: nfsd4_free_slabs(); @@ -3312,9 +3314,6 @@ __nfs4_state_shutdown(void) add_perclient, del_perclient); dprintk("NFSD: vfsopen %d vfsclose %d\n", vfsopen, vfsclose); - dprintk("NFSD: alloc_delegation %d free_delegation %d\n", - alloc_delegation, free_delegation); - } void |