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btrfs: zoned: remove unused variable in btrfs_sb_log_location_bdev

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This fixes warning:

fs/btrfs/zoned.c:491:6: warning: variable ‘zone_size’ set but not used [-Wunused-but-set-variable]
  491 |  u64 zone_size;

which got introduced in 12659251ca ("btrfs: implement log-structured
superblock for ZONED mode"). We'll enable the warning by default and
want clean build until the relevant zoned patches land.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Nikolay Borisov 2021-01-24 18:03:21 +02:00 committed by David Sterba
parent 3bed2da1b0
commit 8c31a3dbaa
1 changed files with 0 additions and 2 deletions
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fs/btrfs/zoned.c
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@ -488,7 +488,6 @@ int btrfs_sb_log_location_bdev(struct block_device *bdev, int mirror, int rw,
unsigned int zone_sectors;
u32 sb_zone;
int ret;
u64 zone_size;
u8 zone_sectors_shift;
sector_t nr_sectors;
u32 nr_zones;
@ -503,7 +502,6 @@ int btrfs_sb_log_location_bdev(struct block_device *bdev, int mirror, int rw,
zone_sectors = bdev_zone_sectors(bdev);
if (!is_power_of_2(zone_sectors))
return -EINVAL;
zone_size = zone_sectors << SECTOR_SHIFT;
zone_sectors_shift = ilog2(zone_sectors);
nr_sectors = bdev_nr_sectors(bdev);
nr_zones = nr_sectors >> zone_sectors_shift;