Messages in this thread Patch in this message | | | Date | Fri, 09 May 2008 19:21:13 -0700 | From | Christoph Lameter <> | Subject | [patch 12/19] Filesystem: Ext2 filesystem defrag |
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Support defragmentation for ext2 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/ext2/super.c | 9 +++++++++ 1 file changed, 9 insertions(+)
Index: linux-2.6/fs/ext2/super.c =================================================================== --- linux-2.6.orig/fs/ext2/super.c 2008-07-31 12:18:12.000000000 -0500 +++ linux-2.6/fs/ext2/super.c 2008-07-31 12:18:15.000000000 -0500 @@ -171,6 +171,12 @@ 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", @@ -180,6 +186,9 @@ init_once); if (ext2_inode_cachep == NULL) return -ENOMEM; + + kmem_cache_setup_defrag(ext2_inode_cachep, + ext2_get_inodes, kick_inodes); return 0; } --
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