vfs_bio - Implement nestiobuf support
authorAlex Hornung <ahornung@gmail.com>
Wed, 2 Jun 2010 09:59:39 +0000 (09:59 +0000)
committerAlex Hornung <ahornung@gmail.com>
Sun, 27 Jun 2010 01:12:51 +0000 (02:12 +0100)
commit6aa75753a5747eedf62c438869c75c54e2602e69
treeaf2c9bc528793900c3a0238478e5b7196d403ae2
parentc6ef65eafb251f9c905af44fd734cf8201087922
vfs_bio - Implement nestiobuf support

* Implement nestiobuf support (as NetBSD does) to split up a bio/buf
  into several smaller pieces that can be handled separately and only
  biodone() the "master" buffer when all smaller bio/buf pieces have
  completed.

Partially-Obtained-from: NetBSD
sys/kern/vfs_bio.c
sys/sys/buf.h