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* [PATCH -next] btrfs: remove set but not used variable 'offset'
@ 2019-07-02 14:15 YueHaibing
  2019-07-03  3:51 ` Anand Jain
  2019-07-17 15:04 ` David Sterba
  0 siblings, 2 replies; 3+ messages in thread
From: YueHaibing @ 2019-07-02 14:15 UTC (permalink / raw)
  To: clm, josef, dsterba, nborisov; +Cc: linux-kernel, linux-btrfs, YueHaibing

Fixes gcc '-Wunused-but-set-variable' warning:

fs/btrfs/volumes.c: In function __btrfs_map_block:
fs/btrfs/volumes.c:6023:6: warning:
 variable offset set but not used [-Wunused-but-set-variable]

It is not used any more since commit 343abd1c0ca9 ("btrfs: Use
btrfs_get_io_geometry appropriately")

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
 fs/btrfs/volumes.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index d1fd910..5d5a9ff 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -6020,7 +6020,6 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info,
 {
 	struct extent_map *em;
 	struct map_lookup *map;
-	u64 offset;
 	u64 stripe_offset;
 	u64 stripe_nr;
 	u64 stripe_len;
@@ -6055,7 +6054,6 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info,
 	map = em->map_lookup;
 
 	*length = geom.len;
-	offset = geom.offset;
 	stripe_len = geom.stripe_len;
 	stripe_nr = geom.stripe_nr;
 	stripe_offset = geom.stripe_offset;
-- 
2.7.4



^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH -next] btrfs: remove set but not used variable 'offset'
  2019-07-02 14:15 [PATCH -next] btrfs: remove set but not used variable 'offset' YueHaibing
@ 2019-07-03  3:51 ` Anand Jain
  2019-07-17 15:04 ` David Sterba
  1 sibling, 0 replies; 3+ messages in thread
From: Anand Jain @ 2019-07-03  3:51 UTC (permalink / raw)
  To: YueHaibing; +Cc: nborisov, linux-kernel

On 2/7/19 10:15 PM, YueHaibing wrote:
> Fixes gcc '-Wunused-but-set-variable' warning:
> 
> fs/btrfs/volumes.c: In function __btrfs_map_block:
> fs/btrfs/volumes.c:6023:6: warning:
>   variable offset set but not used [-Wunused-but-set-variable]
> 
> It is not used any more since commit 343abd1c0ca9 ("btrfs: Use
> btrfs_get_io_geometry appropriately")
> 
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Signed-off-by: YueHaibing <yuehaibing@huawei.com>


Reviewed-by: Anand Jain <anand.jain@oracle.com>


> ---
>   fs/btrfs/volumes.c | 2 --
>   1 file changed, 2 deletions(-)
> 
> diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
> index d1fd910..5d5a9ff 100644
> --- a/fs/btrfs/volumes.c
> +++ b/fs/btrfs/volumes.c
> @@ -6020,7 +6020,6 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info,
>   {
>   	struct extent_map *em;
>   	struct map_lookup *map;
> -	u64 offset;
>   	u64 stripe_offset;
>   	u64 stripe_nr;
>   	u64 stripe_len;
> @@ -6055,7 +6054,6 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info,
>   	map = em->map_lookup;
>   
>   	*length = geom.len;
> -	offset = geom.offset;
>   	stripe_len = geom.stripe_len;
>   	stripe_nr = geom.stripe_nr;
>   	stripe_offset = geom.stripe_offset;
> 


^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH -next] btrfs: remove set but not used variable 'offset'
  2019-07-02 14:15 [PATCH -next] btrfs: remove set but not used variable 'offset' YueHaibing
  2019-07-03  3:51 ` Anand Jain
@ 2019-07-17 15:04 ` David Sterba
  1 sibling, 0 replies; 3+ messages in thread
From: David Sterba @ 2019-07-17 15:04 UTC (permalink / raw)
  To: YueHaibing; +Cc: clm, josef, dsterba, nborisov, linux-kernel, linux-btrfs

On Tue, Jul 02, 2019 at 10:15:21PM +0800, YueHaibing wrote:
> Fixes gcc '-Wunused-but-set-variable' warning:
> 
> fs/btrfs/volumes.c: In function __btrfs_map_block:
> fs/btrfs/volumes.c:6023:6: warning:
>  variable offset set but not used [-Wunused-but-set-variable]
> 
> It is not used any more since commit 343abd1c0ca9 ("btrfs: Use
> btrfs_get_io_geometry appropriately")
> 
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Signed-off-by: YueHaibing <yuehaibing@huawei.com>

Added to misc-next, thanks.

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2019-07-17 15:03 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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