tree 903e1d953b00ac44f65b6ef88c3d93bac0d26b4b
parent 975a0015ee380f49a3be744279a6a06ab97e960a
author Stefan Hajnoczi <stefanha@redhat.com> 1377163743 +0200
committer Stefan Hajnoczi <stefanha@redhat.com> 1379511291 +0200

osdep: warn if open(O_DIRECT) on fails with EINVAL

Print a warning when opening a file O_DIRECT fails with EINVAL.  This
saves users a lot of time trying to figure out the EINVAL error, which
is typical when attempting to open a file O_DIRECT on Linux tmpfs.

Reported-by: Deepak C Shetty <deepakcs@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>