src/sys/kern/vfs_cache.c - diff

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version 1.70, 2007/07/09 21:10:57

version 1.71, 2007/11/07 00:23:25

Line 86 u_long ncvhash; /* size of hash table

TAILQ_HEAD(, namecache) nclruhead; /* LRU chain */

struct nchstats nchstats; /* cache effectiveness statistics */

POOL_INIT(namecache_pool, sizeof(struct namecache), 0, 0, 0, "ncachepl",

static pool_cache_t namecache_cache;

&pool_allocator_nointr, IPL_NONE);

MALLOC_DEFINE(M_CACHE, "namecache", "Dynamically allocated cache entries");

Line 133 static void

Line 132 static void

cache_free(struct namecache *ncp)

{

pool_put(&namecache_pool, ncp);

pool_cache_put(namecache_cache, ncp);

numcache--;

}

Line 462 cache_enter(struct vnode *dvp, struct vn

Line 461 cache_enter(struct vnode *dvp, struct vn

if (numcache < numvnodes) {

numcache++;

mutex_exit(&namecache_lock);

ncp = pool_get(&namecache_pool, PR_WAITOK);

ncp = pool_cache_get(namecache_cache, PR_WAITOK);

memset(ncp, 0, sizeof(*ncp));

mutex_enter(&namecache_lock);

} else if ((ncp = TAILQ_FIRST(&nclruhead)) != NULL) {

Line 531 void

Line 530 void

nchinit(void)

{

namecache_cache = pool_cache_init(sizeof(struct namecache), 0, 0, 0,

"ncachepl", NULL, IPL_NONE, NULL, NULL, NULL);

KASSERT(namecache_cache != NULL);

mutex_init(&namecache_lock, MUTEX_DEFAULT, IPL_NONE);

TAILQ_INIT(&nclruhead);

nchashtbl =