2011-12-19 23:10:16

by Curt Wohlgemuth

Subject: [PATCH] ext4: Mark possibly unused variable in ext4_mb_normalize_request()

The 'orig_size' local variable is only used in a call to
mb_debug(). Mark it with '__maybe_unused'.

Signed-off-by: Curt Wohlgemuth <[email protected]>
---
fs/ext4/mballoc.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index e2d8be8..7cb9a33 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -2911,7 +2911,8 @@ ext4_mb_normalize_request(struct ext4_allocation_context *ac,
struct ext4_sb_info *sbi = EXT4_SB(ac->ac_sb);
int bsbits, max;
ext4_lblk_t end;
- loff_t size, orig_size, start_off;
+ loff_t size, start_off;
+ loff_t orig_size __maybe_unused;
ext4_lblk_t start;
struct ext4_inode_info *ei = EXT4_I(ac->ac_inode);
struct ext4_prealloc_space *pa;
--
1.7.3.1

2012-02-13 22:23:21

by Theodore Ts'o

Subject: Re: [PATCH] ext4: Mark possibly unused variable in ext4_mb_normalize_request()

On Mon, Dec 19, 2011 at 03:10:12PM -0800, Curt Wohlgemuth wrote:
> The 'orig_size' local variable is only used in a call to
> mb_debug(). Mark it with '__maybe_unused'.
>
> Signed-off-by: Curt Wohlgemuth <[email protected]>

Thanks, applied.

- Ted