jbd: use kmem_cache_zalloc instead of kmem_cache_alloc/memset
Now jbd_alloc_handle is only called by new_handle. So this commit
uses kmem_cache_zalloc instead of kmem_cache_alloc/memset.
Signed-off-by: Zheng Liu <wenqing.lz@taobao.com>
Signed-off-by: Jan Kara <jack@suse.cz>
diff --git a/fs/jbd/transaction.c b/fs/jbd/transaction.c
index 071d690..e3e255c 100644
--- a/fs/jbd/transaction.c
+++ b/fs/jbd/transaction.c
@@ -245,7 +245,6 @@
handle_t *handle = jbd_alloc_handle(GFP_NOFS);
if (!handle)
return NULL;
- memset(handle, 0, sizeof(*handle));
handle->h_buffer_credits = nblocks;
handle->h_ref = 1;
diff --git a/include/linux/jbd.h b/include/linux/jbd.h
index c8f3297..7e0b622 100644
--- a/include/linux/jbd.h
+++ b/include/linux/jbd.h
@@ -887,7 +887,7 @@
static inline handle_t *jbd_alloc_handle(gfp_t gfp_flags)
{
- return kmem_cache_alloc(jbd_handle_cache, gfp_flags);
+ return kmem_cache_zalloc(jbd_handle_cache, gfp_flags);
}
static inline void jbd_free_handle(handle_t *handle)