Richard Weinberger 805f11a0d5 um: ubd: Add REQ_FLUSH suppport
UML's block device driver does not support write barriers,
to support this this patch adds REQ_FLUSH suppport.
Every time the block layer sends a REQ_FLUSH we fsync() now
our backing file to guarantee data consistency.

Reported-and-tested-by: Richard W.M. Jones <rjones@redhat.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
2013-09-07 10:56:49 +02:00
..
2013-07-19 11:31:36 +02:00
2009-06-16 19:47:57 -07:00
2011-11-02 14:15:07 +01:00
2013-09-07 10:56:49 +02:00
2011-11-02 14:15:27 +01:00
2011-11-02 14:14:45 +01:00