btrfs: make btrfs_issue_discard return bytes discarded
Initially this will just be the length argument passed to it, but the following patches will adjust that to reflect re-alignment and skipped blocks. Signed-off-by:Jeff Mahoney <jeffm@suse.com> Reviewed-by:
Filipe Manana <fdmanana@suse.com> Tested-by:
Filipe Manana <fdmanana@suse.com> Signed-off-by:
Chris Mason <clm@fb.com>
parent
00d80e34
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