The patch titled
Subject: nilfs2: drop null test before destroy functions
has been added to the -mm tree. Its filename is
nilfs2-drop-null-test-before-destroy-functions.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/nilfs2-drop-null-test-before-destroy-functions.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/nilfs2-drop-null-test-before-destroy-functions.patch
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------------------------------------------------------
From: Julia Lawall <Julia.Lawall@xxxxxxx>
Subject: nilfs2: drop null test before destroy functions
Remove unneeded NULL test.
The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@@ expression x; @@
-if (x != NULL)
\(kmem_cache_destroy\|mempool_destroy\|dma_pool_destroy\)(x);
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/nilfs2/super.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)
diff -puN fs/nilfs2/super.c~nilfs2-drop-null-test-before-destroy-functions fs/nilfs2/super.c
--- a/fs/nilfs2/super.c~nilfs2-drop-null-test-before-destroy-functions
+++ a/fs/nilfs2/super.c
@@ -1405,14 +1405,10 @@ static void nilfs_destroy_cachep(void)
*/
rcu_barrier();
- if (nilfs_inode_cachep)
- kmem_cache_destroy(nilfs_inode_cachep);
- if (nilfs_transaction_cachep)
- kmem_cache_destroy(nilfs_transaction_cachep);
- if (nilfs_segbuf_cachep)
- kmem_cache_destroy(nilfs_segbuf_cachep);
- if (nilfs_btree_path_cache)
- kmem_cache_destroy(nilfs_btree_path_cache);
+ kmem_cache_destroy(nilfs_inode_cachep);
+ kmem_cache_destroy(nilfs_transaction_cachep);
+ kmem_cache_destroy(nilfs_segbuf_cachep);
+ kmem_cache_destroy(nilfs_btree_path_cache);
}
static int __init nilfs_init_cachep(void)
_
Patches currently in -mm which might be from Julia.Lawall@xxxxxxx are
nilfs2-drop-null-test-before-destroy-functions.patch
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