[PATCH] ext4: cleanup in ext4_discard_allocated_blocks()

[Zheng Liu <gnehzuil.liu@xxxxxxxxx>]

remove 'len' variable in ext4_discard_allocated_blocks() because it is useless.

Signed-off-by: Zheng Liu <wenqing.lz@xxxxxxxxxx>
---
 fs/ext4/mballoc.c |    7 ++-----
 1 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index cb990b2..8f8889f 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -3123,12 +3123,9 @@ static void ext4_mb_collect_stats(struct ext4_allocation_context *ac)
 static void ext4_discard_allocated_blocks(struct ext4_allocation_context *ac)
 {
 	struct ext4_prealloc_space *pa = ac->ac_pa;
-	int len;
 
-	if (pa && pa->pa_type == MB_INODE_PA) {
-		len = ac->ac_b_ex.fe_len;
-		pa->pa_free += len;
-	}
+	if (pa && pa->pa_type == MB_INODE_PA)
+		pa->pa_free += ac->ac_b_ex.fe_len;
 
 }
 
-- 
1.7.4.1

--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html