Implement a bounce buffer for physio if the buffer passed from userland
authorMatthew Dillon <dillon@dragonflybsd.org>
Sun, 10 Aug 2008 20:03:15 +0000 (20:03 +0000)
committerMatthew Dillon <dillon@dragonflybsd.org>
Sun, 10 Aug 2008 20:03:15 +0000 (20:03 +0000)
commit6bb60d599e4f126624f9bf389157c47b64c27cac
tree8f0a1bbfbe976d4b496054ac330d7d4372508d76
parentda923c26f741d6bd391eba40af2dc485e7792c7e
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