On Wed, Nov 29, 2017 at 03:11:14PM +0800, Anand Jain wrote:
> When the fist mirror failed to read we submit bio again to read from the
> 2nd mirror, however during this, we also set the flag REQ_FAILFAST_DEV
> which indicates to the underlying block device driver not to perform the
> default IO
When the fist mirror failed to read we submit bio again to read from the
2nd mirror, however during this, we also set the flag REQ_FAILFAST_DEV
which indicates to the underlying block device driver not to perform the
default IO retry (sd, 5 counts), and thus command will be failed and
returned at
