btrfs: sink write_flags to __extent_writepage_io

__extent_writepage reads write flags from wbc and passes both to
__extent_writepage_io. This makes write_flags redundant and we can
remove it.

Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2019-10-29 18:28:55 +01:00
commit 57e5ffeb87