Btrfs: kill btrfs_cache_create

Just use kmem_cache_create directly.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Chris Mason <chris.mason@oracle.com>

3 files changed, 28 insertions, 43 deletions

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 05a1c42e25b..c33b54029d7 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -17,12 +17,6 @@
 #include "ctree.h"
 #include "btrfs_inode.h"
 
-/* temporary define until extent_map moves out of btrfs */
-struct kmem_cache *btrfs_cache_create(const char *name, size_t size,
-                                       unsigned long extra_flags,
-                                       void (*ctor)(void *, struct kmem_cache *,
-                                                    unsigned long));
-
 static struct kmem_cache *extent_state_cache;
 static struct kmem_cache *extent_buffer_cache;
 
@@ -58,15 +52,15 @@ struct extent_page_data {
 
 int __init extent_io_init(void)
 {
-        extent_state_cache = btrfs_cache_create("extent_state",
-                                            sizeof(struct extent_state), 0,
-                                            NULL);
+        extent_state_cache = kmem_cache_create("extent_state",
+                        sizeof(struct extent_state), 0,
+                        SLAB_RECLAIM_ACCOUNT | SLAB_MEM_SPREAD, NULL);
         if (!extent_state_cache)
                 return -ENOMEM;
 
-        extent_buffer_cache = btrfs_cache_create("extent_buffers",
-                                            sizeof(struct extent_buffer), 0,
-                                            NULL);
+        extent_buffer_cache = kmem_cache_create("extent_buffers",
+                        sizeof(struct extent_buffer), 0,
+                        SLAB_RECLAIM_ACCOUNT | SLAB_MEM_SPREAD, NULL);
         if (!extent_buffer_cache)
                 goto free_state_cache;
         return 0;
diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c
index 9827fa1de4e..30c9365861e 100644
--- a/fs/btrfs/extent_map.c
+++ b/fs/btrfs/extent_map.c
@@ -6,19 +6,14 @@
 #include <linux/hardirq.h>
 #include "extent_map.h"
 
-/* temporary define until extent_map moves out of btrfs */
-struct kmem_cache *btrfs_cache_create(const char *name, size_t size,
-                                       unsigned long extra_flags,
-                                       void (*ctor)(void *, struct kmem_cache *,
-                                                    unsigned long));
 
 static struct kmem_cache *extent_map_cache;
 
 int __init extent_map_init(void)
 {
-        extent_map_cache = btrfs_cache_create("extent_map",
-                                            sizeof(struct extent_map), 0,
-                                            NULL);
+        extent_map_cache = kmem_cache_create("extent_map",
+                        sizeof(struct extent_map), 0,
+                        SLAB_RECLAIM_ACCOUNT | SLAB_MEM_SPREAD, NULL);
         if (!extent_map_cache)
                 return -ENOMEM;
         return 0;
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 65219f6a16a..176b6cc28b1 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4640,39 +4640,35 @@ void btrfs_destroy_cachep(void)
                 kmem_cache_destroy(btrfs_path_cachep);
 }
 
-struct kmem_cache *btrfs_cache_create(const char *name, size_t size,
-                                       unsigned long extra_flags,
-                                       void (*ctor)(void *))
-{
-        return kmem_cache_create(name, size, 0, (SLAB_RECLAIM_ACCOUNT |
-                                 SLAB_MEM_SPREAD | extra_flags), ctor);
-}
-
 int btrfs_init_cachep(void)
 {
-        btrfs_inode_cachep = btrfs_cache_create("btrfs_inode_cache",
-                                          sizeof(struct btrfs_inode),
-                                          0, init_once);
+        btrfs_inode_cachep = kmem_cache_create("btrfs_inode_cache",
+                        sizeof(struct btrfs_inode), 0,
+                        SLAB_RECLAIM_ACCOUNT | SLAB_MEM_SPREAD, init_once);
         if (!btrfs_inode_cachep)
                 goto fail;
-        btrfs_trans_handle_cachep =
-                        btrfs_cache_create("btrfs_trans_handle_cache",
-                                           sizeof(struct btrfs_trans_handle),
-                                           0, NULL);
+
+        btrfs_trans_handle_cachep = kmem_cache_create("btrfs_trans_handle_cache",
+                        sizeof(struct btrfs_trans_handle), 0,
+                        SLAB_RECLAIM_ACCOUNT | SLAB_MEM_SPREAD, NULL);
         if (!btrfs_trans_handle_cachep)
                 goto fail;
-        btrfs_transaction_cachep = btrfs_cache_create("btrfs_transaction_cache",
-                                             sizeof(struct btrfs_transaction),
-                                             0, NULL);
+
+        btrfs_transaction_cachep = kmem_cache_create("btrfs_transaction_cache",
+                        sizeof(struct btrfs_transaction), 0,
+                        SLAB_RECLAIM_ACCOUNT | SLAB_MEM_SPREAD, NULL);
         if (!btrfs_transaction_cachep)
                 goto fail;
-        btrfs_path_cachep = btrfs_cache_create("btrfs_path_cache",
-                                         sizeof(struct btrfs_path),
-                                         0, NULL);
+
+        btrfs_path_cachep = kmem_cache_create("btrfs_path_cache",
+                        sizeof(struct btrfs_path), 0,
+                        SLAB_RECLAIM_ACCOUNT | SLAB_MEM_SPREAD, NULL);
         if (!btrfs_path_cachep)
                 goto fail;
-        btrfs_bit_radix_cachep = btrfs_cache_create("btrfs_radix", 256,
-                                              SLAB_DESTROY_BY_RCU, NULL);
+
+        btrfs_bit_radix_cachep = kmem_cache_create("btrfs_radix", 256, 0,
+                        SLAB_RECLAIM_ACCOUNT | SLAB_MEM_SPREAD |
+                        SLAB_DESTROY_BY_RCU, NULL);
         if (!btrfs_bit_radix_cachep)
                 goto fail;
         return 0;