Re: [PATCH 4/8] btrfs: Don't check for btrfs_device::bdev in btrfs_end_bio

Josef Bacik
2020-07-02T13:15:30Z

On 7/2/20 8:23 AM, Nikolay Borisov wrote:
> btrfs_map_bio ensures that all submitted bios to devices have valid
> btrfs_device::bdev so this check can be removed from btrfs_end_bio. This
> check was added in june 2012 597a60fadedf ("Btrfs: don't count I/O
> statistic read errors for missing devices") but then in October of the
> same year another commit de1ee92ac3bc ("Btrfs: recheck bio against
> block device when we map the bio") started checking for the presence of
> btrfs_device::bdev before actually issuing the bio.
>
> Signed-off-by: Nikolay Borisov <nborisov@suse.com>

Reviewed-by: Josef Bacik <josef@toxicpanda.com>

Thanks,

Josef