On 7/25/25 17:08, Shin'ichiro Kawasaki wrote: > The test case zbd/005 performs sequential writes to all sequential > write required zone on the test target zoned block device. To prepare > the device for this operation, the test invokes the blkzone reset > command. However, it takes very long time to complete. > > The root cause of the long reset time is the offset option of the > blkzone reset command. This option specifies the first sequential write > required zone. When the offset options is provided, the kernel processes > the reset operation zone by zone. As a result, a separated zone reset > command is issued to each sequential write required zone, significantly > increasing the overall time. > > To reduce the execution time of the blkzone reset command, remove the > offset option. Without this option, the kernel can perform a single zone > reset operation that resets all sequential write required zones. > > Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@xxxxxxx> Reviewed-by: Damien Le Moal <dlemoal@xxxxxxxxxx> -- Damien Le Moal Western Digital Research
