ext4: cleanup in ext4_discard_allocated_blocks()
remove 'len' variable in ext4_discard_allocated_blocks() because it is
useless.
Signed-off-by: Zheng Liu <wenqing.lz@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 45cb31e..e4b4ac1 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -3073,13 +3073,9 @@
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;
}
/*
