Implement a bounce buffer for physio if the buffer passed from userland
commit1f813cf55ea91a2c804ad7db1a4d59b580cd6e98
authorMatthew Dillon <dillon@dragonflybsd.org>
Sun, 10 Aug 2008 20:03:15 +0000 (10 20:03 +0000)
committerMatthew Dillon <dillon@dragonflybsd.org>
Sun, 10 Aug 2008 20:03:15 +0000 (10 20:03 +0000)
tree3d989e2aaf216442a05a709dbb091085c6e817aa
parentdb6a1cbc056e53eea02210487b20a5aec50d571b
Implement a bounce buffer for physio if the buffer passed from userland
is not at least 16-byte aligned.

Reported-by: "Steve O'Hara-Smith" <steve@sohara.org>, and others
sys/kern/kern_physio.c
sys/kern/vfs_bio.c
sys/sys/buf.h