Messages in this thread |  | | Date | Fri, 27 Nov 2020 20:49:55 +0100 | From | David Sterba <> | Subject | Re: [PATCH -next] btrfs: remove unused variable |
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On Tue, Nov 17, 2020 at 05:47:43PM +0800, Zou Wei wrote: > Fix variable set but not used compilation warnings: > > fs/btrfs/ctree.c:1581:6: warning: variable ‘parent_level’ set but not used [-Wunused-but-set-variable] > int parent_level; > ^~~~~~~~~~~~ > > fs/btrfs/zoned.c:503:6: warning: variable ‘zone_size’ set but not used [-Wunused-but-set-variable] > u64 zone_size; > ^~~~~~~~~ > > Signed-off-by: Zou Wei <zou_wei@huawei.com>
> --- > fs/btrfs/ctree.c | 3 --- > fs/btrfs/zoned.c | 2 -- > 2 files changed, 5 deletions(-) > > diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c > index 32a57a7..e5a0941 100644 > --- a/fs/btrfs/ctree.c > +++ b/fs/btrfs/ctree.c > @@ -1578,13 +1578,10 @@ int btrfs_realloc_node(struct btrfs_trans_handle *trans, > int end_slot; > int i; > int err = 0; > - int parent_level; > u32 blocksize; > int progress_passed = 0; > struct btrfs_disk_key disk_key; > > - parent_level = btrfs_header_level(parent);
That one folded to the patch, thanks.
> - > WARN_ON(trans->transaction != fs_info->running_transaction); > WARN_ON(trans->transid != fs_info->generation); > > diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c > index fa9cc61..742f088 100644 > --- a/fs/btrfs/zoned.c > +++ b/fs/btrfs/zoned.c > @@ -500,7 +500,6 @@ 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 = bdev->bd_part->nr_sects; > u32 nr_zones; > @@ -515,7 +514,6 @@ 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;
That was intended to be used a few lines below, so that's not for removal.
> zone_sectors_shift = ilog2(zone_sectors); > nr_zones = nr_sectors >> zone_sectors_shift; > > -- > 2.6.2
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