From 0ec8e9d1539a7b8109a554028bbce441052f847e Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Fri, 8 Jul 2022 14:26:36 -0400 Subject: [PATCH] NFSD: Clean up unused code after rhashtable conversion Reviewed-by: Jeff Layton Signed-off-by: Chuck Lever --- fs/nfsd/filecache.c | 33 +-------------------------------- fs/nfsd/filecache.h | 1 - 2 files changed, 1 insertion(+), 33 deletions(-) diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c index aed3cb6..bfa4df7 100644 --- a/fs/nfsd/filecache.c +++ b/fs/nfsd/filecache.c @@ -22,11 +22,6 @@ #include "filecache.h" #include "trace.h" -#define NFSDDBG_FACILITY NFSDDBG_FH - -/* FIXME: dynamically size this for the machine somehow? */ -#define NFSD_FILE_HASH_BITS 12 -#define NFSD_FILE_HASH_SIZE (1 << NFSD_FILE_HASH_BITS) #define NFSD_LAUNDRETTE_DELAY (2 * HZ) #define NFSD_FILE_CACHE_UP (0) @@ -34,13 +29,6 @@ /* We only care about NFSD_MAY_READ/WRITE for this cache */ #define NFSD_FILE_MAY_MASK (NFSD_MAY_READ|NFSD_MAY_WRITE) -struct nfsd_fcache_bucket { - struct hlist_head nfb_head; - spinlock_t nfb_lock; - unsigned int nfb_count; - unsigned int nfb_maxcount; -}; - static DEFINE_PER_CPU(unsigned long, nfsd_file_cache_hits); static DEFINE_PER_CPU(unsigned long, nfsd_file_acquisitions); static DEFINE_PER_CPU(unsigned long, nfsd_file_releases); @@ -58,7 +46,6 @@ static struct workqueue_struct *nfsd_filecache_wq __read_mostly; static struct kmem_cache *nfsd_file_slab; static struct kmem_cache *nfsd_file_mark_slab; -static struct nfsd_fcache_bucket *nfsd_file_hashtbl; static struct list_lru nfsd_file_lru; static unsigned long nfsd_file_flags; static struct fsnotify_group *nfsd_file_fsnotify_group; @@ -303,7 +290,6 @@ nfsd_file_alloc(struct nfsd_file_lookup_key *key, unsigned int may) nf = kmem_cache_alloc(nfsd_file_slab, GFP_KERNEL); if (nf) { - INIT_HLIST_NODE(&nf->nf_node); INIT_LIST_HEAD(&nf->nf_lru); nf->nf_birthtime = ktime_get(); nf->nf_file = NULL; @@ -811,8 +797,7 @@ static const struct fsnotify_ops nfsd_file_fsnotify_ops = { int nfsd_file_cache_init(void) { - int ret; - unsigned int i; + int ret; lockdep_assert_held(&nfsd_mutex); if (test_and_set_bit(NFSD_FILE_CACHE_UP, &nfsd_file_flags) == 1) @@ -827,13 +812,6 @@ nfsd_file_cache_init(void) if (!nfsd_filecache_wq) goto out; - nfsd_file_hashtbl = kvcalloc(NFSD_FILE_HASH_SIZE, - sizeof(*nfsd_file_hashtbl), GFP_KERNEL); - if (!nfsd_file_hashtbl) { - pr_err("nfsd: unable to allocate nfsd_file_hashtbl\n"); - goto out_err; - } - nfsd_file_slab = kmem_cache_create("nfsd_file", sizeof(struct nfsd_file), 0, 0, NULL); if (!nfsd_file_slab) { @@ -877,11 +855,6 @@ nfsd_file_cache_init(void) goto out_notifier; } - for (i = 0; i < NFSD_FILE_HASH_SIZE; i++) { - INIT_HLIST_HEAD(&nfsd_file_hashtbl[i].nfb_head); - spin_lock_init(&nfsd_file_hashtbl[i].nfb_lock); - } - INIT_DELAYED_WORK(&nfsd_filecache_laundrette, nfsd_file_gc_worker); out: return ret; @@ -896,8 +869,6 @@ out_err: nfsd_file_slab = NULL; kmem_cache_destroy(nfsd_file_mark_slab); nfsd_file_mark_slab = NULL; - kvfree(nfsd_file_hashtbl); - nfsd_file_hashtbl = NULL; destroy_workqueue(nfsd_filecache_wq); nfsd_filecache_wq = NULL; rhashtable_destroy(&nfsd_file_rhash_tbl); @@ -1027,8 +998,6 @@ nfsd_file_cache_shutdown(void) fsnotify_wait_marks_destroyed(); kmem_cache_destroy(nfsd_file_mark_slab); nfsd_file_mark_slab = NULL; - kvfree(nfsd_file_hashtbl); - nfsd_file_hashtbl = NULL; destroy_workqueue(nfsd_filecache_wq); nfsd_filecache_wq = NULL; rhashtable_destroy(&nfsd_file_rhash_tbl); diff --git a/fs/nfsd/filecache.h b/fs/nfsd/filecache.h index 5cbfc61a..ee9ed99 100644 --- a/fs/nfsd/filecache.h +++ b/fs/nfsd/filecache.h @@ -30,7 +30,6 @@ struct nfsd_file_mark { */ struct nfsd_file { struct rhash_head nf_rhash; - struct hlist_node nf_node; struct list_head nf_lru; struct rcu_head nf_rcu; struct file *nf_file; -- 2.7.4