K 10
svn:author
V 3
mav
K 8
svn:date
V 27
2021-03-15T03:04:22.310433Z
K 7
svn:log
V 434
Coalesce socket reads in software iSCSI.

Instead of 2-4 socket reads per PDU this can do as low as one read
per megabyte, dramatically reducing TCP overhead and lock contention.

With this on iSCSI target I can write more than 4GB/s through a
single connection.

MFC after:	1 month

(cherry picked from commit 6895f89fe54e0858aea70d2bd2a9651f45d7998e)

Git Hash:   6469aab051dee71c88e27aa906c18efa09e77189
Git Author: mav@FreeBSD.org
END