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Subject[PATCH] Use mempool_alloc/free_slab
Convert fs/bio.c and fs/jfs/jfs_metapage.c to use the mempool_alloc_slab 
and mempool_free_slab helper functions.

--
Brian Gerst
diff -urN linux-2.5.62-bk6/fs/bio.c linux/fs/bio.c
--- linux-2.5.62-bk6/fs/bio.c 2003-01-13 16:20:57.000000000 -0500
+++ linux/fs/bio.c 2003-02-21 08:48:11.000000000 -0500
@@ -52,16 +52,6 @@
};
#undef BV

-static void *slab_pool_alloc(int gfp_mask, void *data)
-{
- return kmem_cache_alloc(data, gfp_mask);
-}
-
-static void slab_pool_free(void *ptr, void *data)
-{
- kmem_cache_free(data, ptr);
-}
-
static inline struct bio_vec *bvec_alloc(int gfp_mask, int nr, unsigned long *idx)
{
struct biovec_pool *bp;
@@ -749,8 +739,8 @@
if (i >= scale)
pool_entries >>= 1;

- bp->pool = mempool_create(pool_entries, slab_pool_alloc,
- slab_pool_free, bp->slab);
+ bp->pool = mempool_create(pool_entries, mempool_alloc_slab,
+ mempool_free_slab, bp->slab);
if (!bp->pool)
panic("biovec: can't init mempool\n");

@@ -766,7 +756,7 @@
SLAB_HWCACHE_ALIGN, NULL, NULL);
if (!bio_slab)
panic("bio: can't create slab cache\n");
- bio_pool = mempool_create(BIO_POOL_SIZE, slab_pool_alloc, slab_pool_free, bio_slab);
+ bio_pool = mempool_create(BIO_POOL_SIZE, mempool_alloc_slab, mempool_free_slab, bio_slab);
if (!bio_pool)
panic("bio: can't create mempool\n");

diff -urN linux-2.5.62-bk6/fs/jfs/jfs_metapage.c linux/fs/jfs/jfs_metapage.c
--- linux-2.5.62-bk6/fs/jfs/jfs_metapage.c 2003-02-10 14:22:17.000000000 -0500
+++ linux/fs/jfs/jfs_metapage.c 2003-02-21 08:48:11.000000000 -0500
@@ -120,15 +120,6 @@
mempool_free(mp, metapage_mempool);
}

-static void *mp_mempool_alloc(int gfp_mask, void *pool_data)
-{
- return kmem_cache_alloc(metapage_cache, gfp_mask);
-}
-static void mp_mempool_free(void *element, void *pool_data)
-{
- return kmem_cache_free(metapage_cache, element);
-}
-
int __init metapage_init(void)
{
/*
@@ -139,8 +130,8 @@
if (metapage_cache == NULL)
return -ENOMEM;

- metapage_mempool = mempool_create(METAPOOL_MIN_PAGES, mp_mempool_alloc,
- mp_mempool_free, NULL);
+ metapage_mempool = mempool_create(METAPOOL_MIN_PAGES, mempool_alloc_slab,
+ mempool_free_slab, metapage_cache);

if (metapage_mempool == NULL) {
kmem_cache_destroy(metapage_cache);
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