Re: [PATCH v5 6/9] btrfs: support different disk extent size for delalloc

Josef Bacik
2020-08-24T19:26:13Z

On 8/21/20 3:38 AM, Omar Sandoval wrote:
> From: Omar Sandoval <osandov@fb.com>
>
> Currently, we always reserve the same extent size in the file and extent
> size on disk for delalloc because the former is the worst case for the
> latter. For RWF_ENCODED writes, we know the exact size of the extent on
> disk, which may be less than or greater than (for bookends) the size in
> the file. Add a disk_num_bytes parameter to
> btrfs_delalloc_reserve_metadata() so that we can reserve the correct
> amount of csum bytes. No functional change.
>
> Reviewed-by: Nikolay Borisov <nborisov@suse.com>
> Signed-off-by: Omar Sandoval <osandov@fb.com>

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

Thanks,

Josef