From: ssunder(a)xilinx.com <ssunder(a)xilinx.com>
Sent: Thursday, October 29, 2020 12:05 AM
Subject: [SPDK] After spdk_bdev_reset() call, IO operations a still permitted on
the same channel
I have performed some experiments to understand the behavior of IO
operations after spdk_bdev_reset(). I used hello_bdev example for this purpose
and I concluded the bdev reset has no impact on IO operation issued on the
same channel. I thought once the reset is issued, the bdev layer should reject all
new bdev read/write requests including inflight requests but it is not happening.
Can someone explain what is the expectation from spdk_bdev_reset() and how
it supposed to work ?
The I/O gets aborted from the physical hardware, but SPDK automatically resubmits it once
the reset is complete.
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