[-next] btrfs: remove set but not used variable 'offset'
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Message ID 20190702141521.48932-1-yuehaibing@huawei.com
State New
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Series
  • [-next] btrfs: remove set but not used variable 'offset'
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Commit Message

Yuehaibing July 2, 2019, 2:15 p.m. UTC
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(-)

Comments

David Sterba July 17, 2019, 3:04 p.m. UTC | #1
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.

Patch
diff mbox series

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;