Changed to use 4k alignment in dirty shutdown I/Os. Otherwise the
scatter gather lists used in QEMU for underlying file/block device
would use an extra entry (e.g. 17 for 16 sector writes), and eventually
some I/Os would write to offset 0 in underlying file, corrupting head
metadata.
Signed-off-by: Mateusz Kozlowski <mateusz.kozlowski@intel.com>
Change-Id: If8c88ce708529b094a09c8ee952912cc22cd53b9
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/458090
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
38bb4bcdee