dm bufio: delete outdated comment

This comment was true when dm-bufio was written but, since 4.3, bios can
now have arbitrary size and the driver splits them.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Mikulas Patocka 2018-03-04 01:53:00 -05:00 committed by Mike Snitzer
parent 00716545c8
commit 1f013174b3

View File

@ -540,10 +540,6 @@ static void __relink_lru(struct dm_buffer *b, int dirty)
*
* the memory must be direct-mapped, not vmalloced;
*
* the I/O driver can reject requests spuriously if it thinks that
* the requests are too big for the device or if they cross a
* controller-defined memory boundary.
*
* If the buffer is small enough (up to DM_BUFIO_INLINE_VECS pages) and
* it is not vmalloced, try using the bio interface.
*