[patch 06/12] ext2 ext3 ext4: support inode slab defragmentation
From: <hidden>
Date: 2007-06-07 22:04:58
Also in:
lkml
Signed-off-by: Christoph Lameter <redacted> --- 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;
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