mm: Remove slab destructors from kmem_cache_create().

Slab destructors were no longer supported after Christoph's
c59def9f222d44bb7e2f0a559f2906191a0862d7 change. They've been
BUGs for both slab and slub, and slob never supported them
either.

This rips out support for the dtor pointer from kmem_cache_create()
completely and fixes up every single callsite in the kernel (there were
about 224, not including the slab allocator definitions themselves,
or the documentation references).

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

72 files changed, 119 insertions, 125 deletions

diff --git a/fs/adfs/super.c b/fs/adfs/super.c
index de2ed5ca3351..1c9fd3029496 100644
--- a/fs/adfs/super.c
+++ b/fs/adfs/super.c
@@ -234,14 +234,14 @@ static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flag
 
 	inode_init_once(&ei->vfs_inode);
 }
- 
+
 static int init_inodecache(void)
 {
 	adfs_inode_cachep = kmem_cache_create("adfs_inode_cache",
 					     sizeof(struct adfs_inode_info),
 					     0, (SLAB_RECLAIM_ACCOUNT|
 						SLAB_MEM_SPREAD),
-					     init_once, NULL);
+					     init_once);
 	if (adfs_inode_cachep == NULL)
 		return -ENOMEM;
 	return 0;
diff --git a/fs/affs/super.c b/fs/affs/super.c
index 6d0ebc321530..c80191ae2059 100644
--- a/fs/affs/super.c
+++ b/fs/affs/super.c
@@ -99,7 +99,7 @@ static int init_inodecache(void)
 					     sizeof(struct affs_inode_info),
 					     0, (SLAB_RECLAIM_ACCOUNT|
 						SLAB_MEM_SPREAD),
-					     init_once, NULL);
+					     init_once);
 	if (affs_inode_cachep == NULL)
 		return -ENOMEM;
 	return 0;
diff --git a/fs/afs/super.c b/fs/afs/super.c
index 993cdf1cce3a..b8808b40f82b 100644
--- a/fs/afs/super.c
+++ b/fs/afs/super.c
@@ -89,8 +89,7 @@ int __init afs_fs_init(void)
 					     sizeof(struct afs_vnode),
 					     0,
 					     SLAB_HWCACHE_ALIGN,
-					     afs_i_init_once,
-					     NULL);
+					     afs_i_init_once);
 	if (!afs_inode_cachep) {
 		printk(KERN_NOTICE "kAFS: Failed to allocate inode cache\n");
 		return ret;
diff --git a/fs/befs/linuxvfs.c b/fs/befs/linuxvfs.c
index a5c5171c2828..a45141827681 100644
--- a/fs/befs/linuxvfs.c
+++ b/fs/befs/linuxvfs.c
@@ -414,7 +414,7 @@ befs_read_inode(struct inode *inode)
 }
 
 /* Initialize the inode cache. Called at fs setup.
- * 
+ *
  * Taken from NFS implementation by Al Viro.
  */
 static int
@@ -424,7 +424,7 @@ befs_init_inodecache(void)
 					      sizeof (struct befs_inode_info),
 					      0, (SLAB_RECLAIM_ACCOUNT|
 						SLAB_MEM_SPREAD),
-					      init_once, NULL);
+					      init_once);
 	if (befs_inode_cachep == NULL) {
 		printk(KERN_ERR "befs_init_inodecache: "
 		       "Couldn't initalize inode slabcache\n");
diff --git a/fs/bfs/inode.c b/fs/bfs/inode.c
index 58c7bd9f5301..f346eb14e86f 100644
--- a/fs/bfs/inode.c
+++ b/fs/bfs/inode.c
@@ -250,14 +250,14 @@ static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flag
 
 	inode_init_once(&bi->vfs_inode);
 }
- 
+
 static int init_inodecache(void)
 {
 	bfs_inode_cachep = kmem_cache_create("bfs_inode_cache",
 					     sizeof(struct bfs_inode_info),
 					     0, (SLAB_RECLAIM_ACCOUNT|
 						SLAB_MEM_SPREAD),
-					     init_once, NULL);
+					     init_once);
 	if (bfs_inode_cachep == NULL)
 		return -ENOMEM;
 	return 0;
diff --git a/fs/bio.c b/fs/bio.c
index 33e46340a766..0d2c2d38b7ba 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -1187,7 +1187,7 @@ static void __init biovec_init_slabs(void)
 
 		size = bvs->nr_vecs * sizeof(struct bio_vec);
 		bvs->slab = kmem_cache_create(bvs->name, size, 0,
-                                SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL);
+                                SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
 	}
 }
 
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 3635315e3b99..2980eabe5779 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -517,7 +517,7 @@ void __init bdev_cache_init(void)
 	bdev_cachep = kmem_cache_create("bdev_cache", sizeof(struct bdev_inode),
 			0, (SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT|
 				SLAB_MEM_SPREAD|SLAB_PANIC),
-			init_once, NULL);
+			init_once);
 	err = register_filesystem(&bd_type);
 	if (err)
 		panic("Cannot register bdev pseudo-fs");
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 1fd0dc85f53c..cabb6a55d7dd 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -719,7 +719,7 @@ cifs_init_inodecache(void)
 					      sizeof (struct cifsInodeInfo),
 					      0, (SLAB_RECLAIM_ACCOUNT|
 						SLAB_MEM_SPREAD),
-					      cifs_init_once, NULL);
+					      cifs_init_once);
 	if (cifs_inode_cachep == NULL)
 		return -ENOMEM;
 
@@ -748,7 +748,7 @@ cifs_init_request_bufs(void)
 	cifs_req_cachep = kmem_cache_create("cifs_request",
 					    CIFSMaxBufSize +
 					    MAX_CIFS_HDR_SIZE, 0,
-					    SLAB_HWCACHE_ALIGN, NULL, NULL);
+					    SLAB_HWCACHE_ALIGN, NULL);
 	if (cifs_req_cachep == NULL)
 		return -ENOMEM;
 
@@ -776,7 +776,7 @@ cifs_init_request_bufs(void)
 	alloc of large cifs buffers even when page debugging is on */
 	cifs_sm_req_cachep = kmem_cache_create("cifs_small_rq",
 			MAX_CIFS_SMALL_BUFFER_SIZE, 0, SLAB_HWCACHE_ALIGN,
-			NULL, NULL);
+			NULL);
 	if (cifs_sm_req_cachep == NULL) {
 		mempool_destroy(cifs_req_poolp);
 		kmem_cache_destroy(cifs_req_cachep);
@@ -817,7 +817,7 @@ cifs_init_mids(void)
 {
 	cifs_mid_cachep = kmem_cache_create("cifs_mpx_ids",
 				sizeof (struct mid_q_entry), 0,
-				SLAB_HWCACHE_ALIGN, NULL, NULL);
+				SLAB_HWCACHE_ALIGN, NULL);
 	if (cifs_mid_cachep == NULL)
 		return -ENOMEM;
 
@@ -830,7 +830,7 @@ cifs_init_mids(void)
 
 	cifs_oplock_cachep = kmem_cache_create("cifs_oplock_structs",
 				sizeof (struct oplock_q_entry), 0,
-				SLAB_HWCACHE_ALIGN, NULL, NULL);
+				SLAB_HWCACHE_ALIGN, NULL);
 	if (cifs_oplock_cachep == NULL) {
 		mempool_destroy(cifs_mid_poolp);
 		kmem_cache_destroy(cifs_mid_cachep);
diff --git a/fs/coda/inode.c b/fs/coda/inode.c
index 6771a4271e33..342f4e0d582e 100644
--- a/fs/coda/inode.c
+++ b/fs/coda/inode.c
@@ -64,13 +64,13 @@ static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flag
 
 	inode_init_once(&ei->vfs_inode);
 }
- 
+
 int coda_init_inodecache(void)
 {
 	coda_inode_cachep = kmem_cache_create("coda_inode_cache",
 				sizeof(struct coda_inode_info),
 				0, SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
-				init_once, NULL);
+				init_once);
 	if (coda_inode_cachep == NULL)
 		return -ENOMEM;
 	return 0;
diff --git a/fs/configfs/mount.c b/fs/configfs/mount.c
index b00d962de833..871b0cb61839 100644
--- a/fs/configfs/mount.c
+++ b/fs/configfs/mount.c
@@ -136,7 +136,7 @@ static int __init configfs_init(void)
 
 	configfs_dir_cachep = kmem_cache_create("configfs_dir_cache",
 						sizeof(struct configfs_dirent),
-						0, 0, NULL, NULL);
+						0, 0, NULL);
 	if (!configfs_dir_cachep)
 		goto out;
 
diff --git a/fs/dcache.c b/fs/dcache.c
index cb9d05056b54..678d39deb607 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -2165,10 +2165,10 @@ void __init vfs_caches_init(unsigned long mempages)
 	mempages -= reserve;
 
 	names_cachep = kmem_cache_create("names_cache", PATH_MAX, 0,
-			SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL);
+			SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
 
 	filp_cachep = kmem_cache_create("filp", sizeof(struct file), 0,
-			SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL);
+			SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
 
 	dcache_init(mempages);
 	inode_init(mempages);
diff --git a/fs/dcookies.c b/fs/dcookies.c
index 21af1629f9bc..c1208f53bd74 100644
--- a/fs/dcookies.c
+++ b/fs/dcookies.c
@@ -205,7 +205,7 @@ static int dcookie_init(void)
 
 	dcookie_cache = kmem_cache_create("dcookie_cache",
 		sizeof(struct dcookie_struct),
-		0, 0, NULL, NULL);
+		0, 0, NULL);
 
 	if (!dcookie_cache)
 		goto out;
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index 0553a6158dcb..dd362739d291 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -1449,7 +1449,7 @@ int dlm_lowcomms_start(void)
 	error = -ENOMEM;
 	con_cache = kmem_cache_create("dlm_conn", sizeof(struct connection),
 				      __alignof__(struct connection), 0,
-				      NULL, NULL);
+				      NULL);
 	if (!con_cache)
 		goto out;
 
diff --git a/fs/dlm/memory.c b/fs/dlm/memory.c
index fb9e2ee998ae..ecf0e5cb2035 100644
--- a/fs/dlm/memory.c
+++ b/fs/dlm/memory.c
@@ -23,7 +23,7 @@ int dlm_memory_init(void)
 	int ret = 0;
 
 	lkb_cache = kmem_cache_create("dlm_lkb", sizeof(struct dlm_lkb),
-				__alignof__(struct dlm_lkb), 0, NULL, NULL);
+				__alignof__(struct dlm_lkb), 0, NULL);
 	if (!lkb_cache)
 		ret = -ENOMEM;
 	return ret;
diff --git a/fs/dnotify.c b/fs/dnotify.c
index 936409fcd939..28d01ed66de0 100644
--- a/fs/dnotify.c
+++ b/fs/dnotify.c
@@ -176,7 +176,7 @@ EXPORT_SYMBOL_GPL(dnotify_parent);
 static int __init dnotify_init(void)
 {
 	dn_cache = kmem_cache_create("dnotify_cache",
-		sizeof(struct dnotify_struct), 0, SLAB_PANIC, NULL, NULL);
+		sizeof(struct dnotify_struct), 0, SLAB_PANIC, NULL);
 	return 0;
 }
 
diff --git a/fs/dquot.c b/fs/dquot.c
index 7e273151f589..de9a29f64ff3 100644
--- a/fs/dquot.c
+++ b/fs/dquot.c
@@ -1848,11 +1848,11 @@ static int __init dquot_init(void)
 
 	register_sysctl_table(sys_table);
 
-	dquot_cachep = kmem_cache_create("dquot", 
+	dquot_cachep = kmem_cache_create("dquot",
 			sizeof(struct dquot), sizeof(unsigned long) * 4,
 			(SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT|
 				SLAB_MEM_SPREAD|SLAB_PANIC),
-			NULL, NULL);
+			NULL);
 
 	order = 0;
 	dquot_hash = (struct hlist_head *)__get_free_pages(GFP_ATOMIC, order);
diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
index 02ca6f1e55d7..e557a6766927 100644
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -677,7 +677,7 @@ static int ecryptfs_init_kmem_caches(void)
 
 		info = &ecryptfs_cache_infos[i];
 		*(info->cache) = kmem_cache_create(info->name, info->size,
-				0, SLAB_HWCACHE_ALIGN, info->ctor, NULL);
+				0, SLAB_HWCACHE_ALIGN, info->ctor);
 		if (!*(info->cache)) {
 			ecryptfs_free_kmem_caches();
 			ecryptfs_printk(KERN_WARNING, "%s: "
diff --git a/fs/efs/super.c b/fs/efs/super.c
index d360c81f3a72..ce4acb8ff819 100644
--- a/fs/efs/super.c
+++ b/fs/efs/super.c
@@ -75,13 +75,13 @@ static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flag
 
 	inode_init_once(&ei->vfs_inode);
 }
- 
+
 static int init_inodecache(void)
 {
 	efs_inode_cachep = kmem_cache_create("efs_inode_cache",
 				sizeof(struct efs_inode_info),
 				0, SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
-				init_once, NULL);
+				init_once);
 	if (efs_inode_cachep == NULL)
 		return -ENOMEM;
 	return 0;
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index 0b73cd45a06d..77b9953624f4 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -1324,12 +1324,12 @@ static int __init eventpoll_init(void)
 	/* Allocates slab cache used to allocate "struct epitem" items */
 	epi_cache = kmem_cache_create("eventpoll_epi", sizeof(struct epitem),
 			0, SLAB_HWCACHE_ALIGN|EPI_SLAB_DEBUG|SLAB_PANIC,
-			NULL, NULL);
+			NULL);
 
 	/* Allocates slab cache used to allocate "struct eppoll_entry" */
 	pwq_cache = kmem_cache_create("eventpoll_pwq",
 			sizeof(struct eppoll_entry), 0,
-			EPI_SLAB_DEBUG|SLAB_PANIC, NULL, NULL);
+			EPI_SLAB_DEBUG|SLAB_PANIC, NULL);
 
 	return 0;
 }
diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index a6b1072daea7..68579a0ed3f0 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -167,14 +167,14 @@ static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flag
 #endif
 	inode_init_once(&ei->vfs_inode);
 }
- 
+
 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);
 	if (ext2_inode_cachep == NULL)
 		return -ENOMEM;
 	return 0;
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 4f84dc86628a..f0614e3f1fe8 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -490,7 +490,7 @@ static int init_inodecache(void)
 					     sizeof(struct ext3_inode_info),
 					     0, (SLAB_RECLAIM_ACCOUNT|
 						SLAB_MEM_SPREAD),
-					     init_once, NULL);
+					     init_once);
 	if (ext3_inode_cachep == NULL)
 		return -ENOMEM;
 	return 0;
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 6dcbb28dc06d..75adbb64e028 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -541,7 +541,7 @@ static int init_inodecache(void)
 					     sizeof(struct ext4_inode_info),
 					     0, (SLAB_RECLAIM_ACCOUNT|
 						SLAB_MEM_SPREAD),
-					     init_once, NULL);
+					     init_once);
 	if (ext4_inode_cachep == NULL)
 		return -ENOMEM;
 	return 0;
diff --git a/fs/fat/cache.c b/fs/fat/cache.c
index 3c9c8a15ec73..be6f89b152ca 100644
--- a/fs/fat/cache.c
+++ b/fs/fat/cache.c
@@ -48,7 +48,7 @@ int __init fat_cache_init(void)
 	fat_cache_cachep = kmem_cache_create("fat_cache",
 				sizeof(struct fat_cache),
 				0, SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
-				init_once, NULL);
+				init_once);
 	if (fat_cache_cachep == NULL)
 		return -ENOMEM;
 	return 0;
diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index 0a7ddb39a593..4baa5f205368 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -514,7 +514,7 @@ static int __init fat_init_inodecache(void)
 					     sizeof(struct msdos_inode_info),
 					     0, (SLAB_RECLAIM_ACCOUNT|
 						SLAB_MEM_SPREAD),
-					     init_once, NULL);
+					     init_once);
 	if (fat_inode_cachep == NULL)
 		return -ENOMEM;
 	return 0;
diff --git a/fs/fcntl.c b/fs/fcntl.c
index 3f22e9f4f691..78b2ff044054 100644
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -638,7 +638,7 @@ EXPORT_SYMBOL(kill_fasync);
 static int __init fasync_init(void)
 {
 	fasync_cache = kmem_cache_create("fasync_cache",
-		sizeof(struct fasync_struct), 0, SLAB_PANIC, NULL, NULL);
+		sizeof(struct fasync_struct), 0, SLAB_PANIC, NULL);
 	return 0;
 }
 
diff --git a/fs/freevxfs/vxfs_super.c b/fs/freevxfs/vxfs_super.c
index 647d600f0bc8..4f95572d2722 100644
--- a/fs/freevxfs/vxfs_super.c
+++ b/fs/freevxfs/vxfs_super.c
@@ -263,8 +263,8 @@ vxfs_init(void)
 	int rv;
 
 	vxfs_inode_cachep = kmem_cache_create("vxfs_inode",
-			sizeof(struct vxfs_inode_info), 0, 
-			SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD, NULL, NULL);
+			sizeof(struct vxfs_inode_info), 0,
+			SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD, NULL);
 	if (!vxfs_inode_cachep)
 		return -ENOMEM;
 	rv = register_filesystem(&vxfs_fs_type);
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 357764d85ff1..3ad22beb24c2 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -1044,7 +1044,7 @@ int __init fuse_dev_init(void)
 	int err = -ENOMEM;
 	fuse_req_cachep = kmem_cache_create("fuse_request",
 					    sizeof(struct fuse_req),
-					    0, 0, NULL, NULL);
+					    0, 0, NULL);
 	if (!fuse_req_cachep)
 		goto out;
 
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index cc5efc13496a..5448f625ab56 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -706,7 +706,7 @@ static int __init fuse_fs_init(void)
 	fuse_inode_cachep = kmem_cache_create("fuse_inode",
 					      sizeof(struct fuse_inode),
 					      0, SLAB_HWCACHE_ALIGN,
-					      fuse_inode_init_once, NULL);
+					      fuse_inode_init_once);
 	err = -ENOMEM;
 	if (!fuse_inode_cachep)
 		goto out_unreg2;
diff --git a/fs/gfs2/main.c b/fs/gfs2/main.c
index 787a0edef100..d5d4e68b8807 100644
--- a/fs/gfs2/main.c
+++ b/fs/gfs2/main.c
@@ -72,7 +72,7 @@ static int __init init_gfs2_fs(void)
 	gfs2_glock_cachep = kmem_cache_create("gfs2_glock",
 					      sizeof(struct gfs2_glock),
 					      0, 0,
-					      gfs2_init_glock_once, NULL);
+					      gfs2_init_glock_once);
 	if (!gfs2_glock_cachep)
 		goto fail;
 
@@ -80,13 +80,13 @@ static int __init init_gfs2_fs(void)
 					      sizeof(struct gfs2_in