asomers 307c4b1997 da(4): Short-circuit unnecessary BIO_FLUSH commands
sys/cam/scsi/scsi_da.c
	Complete BIO_FLUSH commands immediately if the da(4) device hasn't
	been written to since the last flush. If we haven't written to the
	device, there is no reason to send a flush.

Submitted by:	gibbs
Reviewed by:	imp
MFC after:	3 weeks
Sponsored by:	Spectra Logic Corp
Differential Revision:	https://reviews.freebsd.org/D13106
2017-11-20 22:27:33 +00:00
..
2017-05-23 09:29:05 +00:00
2017-05-09 05:08:47 +00:00