Mark Johnston 01bc16bb0e Free the request page if an I/O error occurs while reading from swap.
After such a failure, the page is invalid, so there's point in keeping it
around. Moreover, such pages were not being inserted into the active queue,
making them unreclaimable until a subsequent write or delete made them
valid.

Reported by:	alc
Reviewed by:	alc (previous revision)
MFC after:	1 week
2017-06-14 03:50:02 +00:00
..