gluster: Abort on AIO completion failure
Currently if gluster AIO callback thread fails to notify the QEMU thread about AIO completion, we try graceful recovery by marking the disk drive as inaccessible. This error recovery code is race-prone as found by Asias and Stefan. However as found out by Paolo, this kind of error is impossible and hence simplify the code that handles this error recovery. Signed-off-by: NBharata B Rao <bharata@linux.vnet.ibm.com> Reviewed-by: NStefan Hajnoczi <stefanha@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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