K 10
svn:author
V 8
rmacklem
K 8
svn:date
V 27
2017-06-17T22:24:19.224202Z
K 7
svn:log
V 536
Make MAXBCACHEBUF a tunable called vfs.maxbcachebuf.

By making MAXBCACHEBUF a tunable, it can be increased to allow for
larger read/write data sizes for the NFS client.
The tunable is limited to MAXPHYS, which is currently 128K.
Making MAXPHYS a tunable or increasing its value is being discussed,
since it would be nice to support a read/write data size of 1Mbyte
for the NFS client when mounting the AmazonEFS file service.

Reviewed by:	kib
MFC after:	2 weeks
Relnotes:	yes
Differential Revision:	https://reviews.freebsd.org/D10991

END