K 10
svn:author
V 3
imp
K 8
svn:date
V 27
2019-12-17T00:13:40.461969Z
K 7
svn:log
V 330
Add BIO_SPEEDUP signalling to UFS

When we have a resource shortage in UFS, send down a BIO_SPEEDUP to
give the CAM I/O scheduler a heads up that we have a resource shortage
and that it should bias its decisions knowing that.

Reviewed by: kirk, kib
Sponsored by: Netflix
Differential Revision: https://reviews.freebsd.org/D18351

END