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btrfs: remove set but not used variable 'offset' 

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: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
YueHaibing 2019-07-02 22:15:21 +08:00 committed by David Sterba
parent 690a5dbfc5
commit 99fccf33c2
1 changed files with 0 additions and 2 deletions
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2
fs/btrfs/volumes.c
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@ -6011,7 +6011,6 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info,
{ {
struct extent_map *em; struct extent_map *em;
struct map_lookup *map; struct map_lookup *map;
u64 offset;
u64 stripe_offset; u64 stripe_offset;
u64 stripe_nr; u64 stripe_nr;
u64 stripe_len; u64 stripe_len;
@ -6046,7 +6045,6 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info,
map = em->map_lookup; map = em->map_lookup;
*length = geom.len; *length = geom.len;
offset = geom.offset;
stripe_len = geom.stripe_len; stripe_len = geom.stripe_len;
stripe_nr = geom.stripe_nr; stripe_nr = geom.stripe_nr;
stripe_offset = geom.stripe_offset; stripe_offset = geom.stripe_offset;