jffs2: Simplify the allocation of slab caches

Message ID 20240205075144.431567-1-chentao@kylinos.cn
State New
Headers
Series jffs2: Simplify the allocation of slab caches |

Commit Message

Kunwu Chan Feb. 5, 2024, 7:51 a.m. UTC
  Use the new KMEM_CACHE() macro instead of direct kmem_cache_create
to simplify the creation of SLAB caches.
And change cache name from 'jffs2_tmp_dnode' to 'jffs2_tmp_dnode_info'.

Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
---
 fs/jffs2/malloc.c | 32 ++++++++------------------------
 1 file changed, 8 insertions(+), 24 deletions(-)
  

Comments

Zhihao Cheng Feb. 5, 2024, 11:40 a.m. UTC | #1
在 2024/2/5 15:51, Kunwu Chan 写道:
> Use the new KMEM_CACHE() macro instead of direct kmem_cache_create
> to simplify the creation of SLAB caches.
> And change cache name from 'jffs2_tmp_dnode' to 'jffs2_tmp_dnode_info'.
> 
> Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
> ---
>   fs/jffs2/malloc.c | 32 ++++++++------------------------
>   1 file changed, 8 insertions(+), 24 deletions(-)

Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>

> 
> diff --git a/fs/jffs2/malloc.c b/fs/jffs2/malloc.c
> index ce1189793288..411de8b361b2 100644
> --- a/fs/jffs2/malloc.c
> +++ b/fs/jffs2/malloc.c
> @@ -33,27 +33,19 @@ static struct kmem_cache *xattr_ref_cache;
>   
>   int __init jffs2_create_slab_caches(void)
>   {
> -	full_dnode_slab = kmem_cache_create("jffs2_full_dnode",
> -					    sizeof(struct jffs2_full_dnode),
> -					    0, 0, NULL);
> +	full_dnode_slab = KMEM_CACHE(jffs2_full_dnode, 0);
>   	if (!full_dnode_slab)
>   		goto err;
>   
> -	raw_dirent_slab = kmem_cache_create("jffs2_raw_dirent",
> -					    sizeof(struct jffs2_raw_dirent),
> -					    0, SLAB_HWCACHE_ALIGN, NULL);
> +	raw_dirent_slab = KMEM_CACHE(jffs2_raw_dirent, SLAB_HWCACHE_ALIGN);
>   	if (!raw_dirent_slab)
>   		goto err;
>   
> -	raw_inode_slab = kmem_cache_create("jffs2_raw_inode",
> -					   sizeof(struct jffs2_raw_inode),
> -					   0, SLAB_HWCACHE_ALIGN, NULL);
> +	raw_inode_slab = KMEM_CACHE(jffs2_raw_inode, SLAB_HWCACHE_ALIGN);
>   	if (!raw_inode_slab)
>   		goto err;
>   
> -	tmp_dnode_info_slab = kmem_cache_create("jffs2_tmp_dnode",
> -						sizeof(struct jffs2_tmp_dnode_info),
> -						0, 0, NULL);
> +	tmp_dnode_info_slab = KMEM_CACHE(jffs2_tmp_dnode_info, 0);
>   	if (!tmp_dnode_info_slab)
>   		goto err;
>   
> @@ -63,28 +55,20 @@ int __init jffs2_create_slab_caches(void)
>   	if (!raw_node_ref_slab)
>   		goto err;
>   
> -	node_frag_slab = kmem_cache_create("jffs2_node_frag",
> -					   sizeof(struct jffs2_node_frag),
> -					   0, 0, NULL);
> +	node_frag_slab = KMEM_CACHE(jffs2_node_frag, 0);
>   	if (!node_frag_slab)
>   		goto err;
>   
> -	inode_cache_slab = kmem_cache_create("jffs2_inode_cache",
> -					     sizeof(struct jffs2_inode_cache),
> -					     0, 0, NULL);
> +	inode_cache_slab = KMEM_CACHE(jffs2_inode_cache, 0);
>   	if (!inode_cache_slab)
>   		goto err;
>   
>   #ifdef CONFIG_JFFS2_FS_XATTR
> -	xattr_datum_cache = kmem_cache_create("jffs2_xattr_datum",
> -					     sizeof(struct jffs2_xattr_datum),
> -					     0, 0, NULL);
> +	xattr_datum_cache = KMEM_CACHE(jffs2_xattr_datum, 0);
>   	if (!xattr_datum_cache)
>   		goto err;
>   
> -	xattr_ref_cache = kmem_cache_create("jffs2_xattr_ref",
> -					   sizeof(struct jffs2_xattr_ref),
> -					   0, 0, NULL);
> +	xattr_ref_cache = KMEM_CACHE(jffs2_xattr_ref, 0);
>   	if (!xattr_ref_cache)
>   		goto err;
>   #endif
>
  

Patch

diff --git a/fs/jffs2/malloc.c b/fs/jffs2/malloc.c
index ce1189793288..411de8b361b2 100644
--- a/fs/jffs2/malloc.c
+++ b/fs/jffs2/malloc.c
@@ -33,27 +33,19 @@  static struct kmem_cache *xattr_ref_cache;
 
 int __init jffs2_create_slab_caches(void)
 {
-	full_dnode_slab = kmem_cache_create("jffs2_full_dnode",
-					    sizeof(struct jffs2_full_dnode),
-					    0, 0, NULL);
+	full_dnode_slab = KMEM_CACHE(jffs2_full_dnode, 0);
 	if (!full_dnode_slab)
 		goto err;
 
-	raw_dirent_slab = kmem_cache_create("jffs2_raw_dirent",
-					    sizeof(struct jffs2_raw_dirent),
-					    0, SLAB_HWCACHE_ALIGN, NULL);
+	raw_dirent_slab = KMEM_CACHE(jffs2_raw_dirent, SLAB_HWCACHE_ALIGN);
 	if (!raw_dirent_slab)
 		goto err;
 
-	raw_inode_slab = kmem_cache_create("jffs2_raw_inode",
-					   sizeof(struct jffs2_raw_inode),
-					   0, SLAB_HWCACHE_ALIGN, NULL);
+	raw_inode_slab = KMEM_CACHE(jffs2_raw_inode, SLAB_HWCACHE_ALIGN);
 	if (!raw_inode_slab)
 		goto err;
 
-	tmp_dnode_info_slab = kmem_cache_create("jffs2_tmp_dnode",
-						sizeof(struct jffs2_tmp_dnode_info),
-						0, 0, NULL);
+	tmp_dnode_info_slab = KMEM_CACHE(jffs2_tmp_dnode_info, 0);
 	if (!tmp_dnode_info_slab)
 		goto err;
 
@@ -63,28 +55,20 @@  int __init jffs2_create_slab_caches(void)
 	if (!raw_node_ref_slab)
 		goto err;
 
-	node_frag_slab = kmem_cache_create("jffs2_node_frag",
-					   sizeof(struct jffs2_node_frag),
-					   0, 0, NULL);
+	node_frag_slab = KMEM_CACHE(jffs2_node_frag, 0);
 	if (!node_frag_slab)
 		goto err;
 
-	inode_cache_slab = kmem_cache_create("jffs2_inode_cache",
-					     sizeof(struct jffs2_inode_cache),
-					     0, 0, NULL);
+	inode_cache_slab = KMEM_CACHE(jffs2_inode_cache, 0);
 	if (!inode_cache_slab)
 		goto err;
 
 #ifdef CONFIG_JFFS2_FS_XATTR
-	xattr_datum_cache = kmem_cache_create("jffs2_xattr_datum",
-					     sizeof(struct jffs2_xattr_datum),
-					     0, 0, NULL);
+	xattr_datum_cache = KMEM_CACHE(jffs2_xattr_datum, 0);
 	if (!xattr_datum_cache)
 		goto err;
 
-	xattr_ref_cache = kmem_cache_create("jffs2_xattr_ref",
-					   sizeof(struct jffs2_xattr_ref),
-					   0, 0, NULL);
+	xattr_ref_cache = KMEM_CACHE(jffs2_xattr_ref, 0);
 	if (!xattr_ref_cache)
 		goto err;
 #endif