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Stefan Hajnoczi authored
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>
a5813077