From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Lameter Subject: [RFC 18/26] FS: ExtX filesystem defrag Date: Fri, 31 Aug 2007 18:41:25 -0700 Message-ID: <20070901014223.449837413@sgi.com> References: <20070901014107.719506437@sgi.com> Return-path: Content-Disposition: inline; filename=0018-slab_defrag_ext234.patch Sender: linux-fsdevel-owner@vger.kernel.org To: Andy Whitcroft Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, Christoph Hellwig , Mel Gorman , David Chinner List-Id: linux-mm.kvack.org Support defragmentation for extX filesystem inodes Signed-off-by: Christoph Lameter --- fs/ext2/super.c | 9 +++++++++ fs/ext3/super.c | 8 ++++++++ fs/ext4/super.c | 8 ++++++++ 3 files changed, 25 insertions(+) Index: linux-2.6/fs/ext2/super.c =================================================================== --- linux-2.6.orig/fs/ext2/super.c 2007-08-28 19:48:06.000000000 -0700 +++ linux-2.6/fs/ext2/super.c 2007-08-28 20:16:05.000000000 -0700 @@ -168,6 +168,12 @@ static void init_once(void * foo, struct 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 int init_inodecache(void) { ext2_inode_cachep = kmem_cache_create("ext2_inode_cache", @@ -177,6 +183,9 @@ static int init_inodecache(void) init_once); if (ext2_inode_cachep == NULL) return -ENOMEM; + + kmem_cache_setup_defrag(ext2_inode_cachep, + ext2_get_inodes, kick_inodes); return 0; } Index: linux-2.6/fs/ext3/super.c =================================================================== --- linux-2.6.orig/fs/ext3/super.c 2007-08-28 19:48:06.000000000 -0700 +++ linux-2.6/fs/ext3/super.c 2007-08-28 20:16:05.000000000 -0700 @@ -484,6 +484,12 @@ 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 int init_inodecache(void) { ext3_inode_cachep = kmem_cache_create("ext3_inode_cache", @@ -493,6 +499,8 @@ static int init_inodecache(void) init_once); if (ext3_inode_cachep == NULL) return -ENOMEM; + kmem_cache_setup_defrag(ext3_inode_cachep, + ext3_get_inodes, kick_inodes); return 0; } Index: linux-2.6/fs/ext4/super.c =================================================================== --- linux-2.6.orig/fs/ext4/super.c 2007-08-28 19:48:06.000000000 -0700 +++ linux-2.6/fs/ext4/super.c 2007-08-28 20:16:05.000000000 -0700 @@ -535,6 +535,12 @@ 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 int init_inodecache(void) { ext4_inode_cachep = kmem_cache_create("ext4_inode_cache", @@ -544,6 +550,8 @@ static int init_inodecache(void) init_once); if (ext4_inode_cachep == NULL) return -ENOMEM; + kmem_cache_setup_defrag(ext4_inode_cachep, + ext4_get_inodes, kick_inodes); return 0; } --