ext4: replace kmem_cache_create with KMEM_CACHE

Replace kmem_cache_create with KMEM_CACHE macro that
guaranteed struct alignment

Signed-off-by: JunChao Sun <sunjunchao2870@gmail.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20221109153822.80250-1-sunjunchao2870@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

diff --git a/fs/ext4/extents_status.c b/fs/ext4/extents_status.c
index cd0a861..97eccc0 100644 (file)
--- a/fs/ext4/extents_status.c
+++ b/fs/ext4/extents_status.c
@@ -155,9 +155,7 @@ static void __revise_pending(struct inode *inode, ext4_lblk_t lblk,
 
 int __init ext4_init_es(void)
 {
-       ext4_es_cachep = kmem_cache_create("ext4_extent_status",
-                                          sizeof(struct extent_status),
-                                          0, (SLAB_RECLAIM_ACCOUNT), NULL);
+       ext4_es_cachep = KMEM_CACHE(extent_status, SLAB_RECLAIM_ACCOUNT);
        if (ext4_es_cachep == NULL)
                return -ENOMEM;
        return 0;
@@ -1807,9 +1805,7 @@ static void ext4_print_pending_tree(struct inode *inode)
 
 int __init ext4_init_pending(void)
 {
-       ext4_pending_cachep = kmem_cache_create("ext4_pending_reservation",
-                                          sizeof(struct pending_reservation),
-                                          0, (SLAB_RECLAIM_ACCOUNT), NULL);
+       ext4_pending_cachep = KMEM_CACHE(pending_reservation, SLAB_RECLAIM_ACCOUNT);
        if (ext4_pending_cachep == NULL)
                return -ENOMEM;
        return 0;

diff --git a/fs/ext4/readpage.c b/fs/ext4/readpage.c
index 3d21eae..773176e 100644 (file)
--- a/fs/ext4/readpage.c
+++ b/fs/ext4/readpage.c
@@ -410,9 +410,8 @@ int ext4_mpage_readpages(struct inode *inode,
 
 int __init ext4_init_post_read_processing(void)
 {
-       bio_post_read_ctx_cache =
-               kmem_cache_create("ext4_bio_post_read_ctx",
-                                 sizeof(struct bio_post_read_ctx), 0, 0, NULL);
+       bio_post_read_ctx_cache = KMEM_CACHE(bio_post_read_ctx, SLAB_RECLAIM_ACCOUNT);
+
        if (!bio_post_read_ctx_cache)
                goto fail;
        bio_post_read_ctx_pool =