Messages in this thread Patch in this message | | | Date | Fri, 09 May 2008 19:21:15 -0700 | From | Christoph Lameter <> | Subject | [patch 14/19] 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: linux-2.6/fs/ext4/super.c =================================================================== --- linux-2.6.orig/fs/ext4/super.c 2008-07-31 12:18:12.000000000 -0500 +++ linux-2.6/fs/ext4/super.c 2008-07-31 12:18:15.000000000 -0500 @@ -607,6 +607,12 @@ 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", @@ -616,6 +622,8 @@ 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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