From mboxrd@z Thu Jan 1 00:00:00 1970 From: clameter@sgi.com Subject: [patch 06/12] ext2 ext3 ext4: support inode slab defragmentation Date: Thu, 07 Jun 2007 14:55:35 -0700 Message-ID: <20070607215909.447881063@sgi.com> References: <20070607215529.147027769@sgi.com> Return-path: Content-Disposition: inline; filename=slub_defrag_fs_ext234 Sender: linux-kernel-owner@vger.kernel.org To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, dgc@sgi.com, Michal Piotrowski , Mel Gorman List-Id: linux-mm.kvack.org Signed-off-by: Christoph Lameter --- fs/ext2/super.c | 16 ++++++++++++++-- fs/ext3/super.c | 14 +++++++++++++- fs/ext4/super.c | 14 +++++++++++++- 3 files changed, 40 insertions(+), 4 deletions(-) Index: slub/fs/ext2/super.c =================================================================== --- slub.orig/fs/ext2/super.c 2007-06-07 14:09:36.000000000 -0700 +++ slub/fs/ext2/super.c 2007-06-07 14:28:47.000000000 -0700 @@ -168,14 +168,26 @@ static void init_once(void * foo, struct mutex_init(&ei->truncate_mutex); inode_init_once(&ei->vfs_inode); } - + +static void *ext2_get_inodes(struct kmem_cache *s, int nr, void **v) +{ + return fs_get_inodes(s, nr, v, + offsetof(struct ext2_inode_info, vfs_inode)); +} + +static struct kmem_cache_ops ext2_kmem_cache_ops = { + .get = ext2_get_inodes, + .kick = kick_inodes +}; + static int init_inodecache(void) { ext2_inode_cachep = kmem_cache_create("ext2_inode_cache", sizeof(struct ext2_inode_info), 0, (SLAB_RECLAIM_ACCOUNT| SLAB_MEM_SPREAD), - init_once, NULL); + init_once, + &ext2_kmem_cache_ops); if (ext2_inode_cachep == NULL) return -ENOMEM; return 0; Index: slub/fs/ext3/super.c =================================================================== --- slub.orig/fs/ext3/super.c 2007-06-07 14:09:36.000000000 -0700 +++ slub/fs/ext3/super.c 2007-06-07 14:28:47.000000000 -0700 @@ -483,13 +483,25 @@ static void init_once(void * foo, struct inode_init_once(&ei->vfs_inode); } +static void *ext3_get_inodes(struct kmem_cache *s, int nr, void **v) +{ + return fs_get_inodes(s, nr, v, + offsetof(struct ext3_inode_info, vfs_inode)); +} + +static struct kmem_cache_ops ext3_kmem_cache_ops = { + .get = ext3_get_inodes, + .kick = kick_inodes +}; + static int init_inodecache(void) { ext3_inode_cachep = kmem_cache_create("ext3_inode_cache", sizeof(struct ext3_inode_info), 0, (SLAB_RECLAIM_ACCOUNT| SLAB_MEM_SPREAD), - init_once, NULL); + init_once, + &ext3_kmem_cache_ops); if (ext3_inode_cachep == NULL) return -ENOMEM; return 0; Index: slub/fs/ext4/super.c =================================================================== --- slub.orig/fs/ext4/super.c 2007-06-07 14:09:36.000000000 -0700 +++ slub/fs/ext4/super.c 2007-06-07 14:29:49.000000000 -0700 @@ -543,13 +543,25 @@ static void init_once(void * foo, struct inode_init_once(&ei->vfs_inode); } +static void *ext4_get_inodes(struct kmem_cache *s, int nr, void **v) +{ + return fs_get_inodes(s, nr, v, + offsetof(struct ext4_inode_info, vfs_inode)); +} + +static struct kmem_cache_ops ext4_kmem_cache_ops = { + .get = ext4_get_inodes, + .kick = kick_inodes +}; + static int init_inodecache(void) { ext4_inode_cachep = kmem_cache_create("ext4_inode_cache", sizeof(struct ext4_inode_info), 0, (SLAB_RECLAIM_ACCOUNT| SLAB_MEM_SPREAD), - init_once, NULL); + init_once, + &ext4_kmem_cache_ops); if (ext4_inode_cachep == NULL) return -ENOMEM; return 0; --