Messages in this thread Patch in this message | | | Date | Fri, 29 Jan 2010 14:49:45 -0600 | From | Christoph Lameter <> | Subject | Filesystem: Ext4 filesystem defrag |
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Support defragmentation for extX filesystem inodes
Reviewed-by: Rik van Riel <riel@redhat.com> Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Christoph Lameter <cl@linux-foundation.org>
--- fs/ext4/super.c | 8 ++++++++ 1 file changed, 8 insertions(+)
Index: slab-2.6/fs/ext4/super.c =================================================================== --- slab-2.6.orig/fs/ext4/super.c 2010-01-22 15:09:43.000000000 -0600 +++ slab-2.6/fs/ext4/super.c 2010-01-22 16:21:07.000000000 -0600 @@ -741,6 +741,12 @@ static void init_once(void *foo) 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", @@ -750,6 +756,8 @@ 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; } --
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