On Thu, Nov 19, 2020 at 05:23:20PM +0800, Anand Jain wrote: > On 10/11/20 7:26 pm, Naohiro Aota wrote: > > The zone append write command has a maximum IO size restriction it > > accepts. This is because a zone append write command cannot be split, as > > we ask the device to place the data into a specific target zone and the > > device responds with the actual written location of the data. > > > > Introduce max_zone_append_size to zone_info and fs_info to track the > > value, so we can limit all I/O to a zoned block device that we want to > > write using the zone append command to the device's limits. > > > > Reviewed-by: Josef Bacik <josef@xxxxxxxxxxxxxx> > > Signed-off-by: Naohiro Aota <naohiro.aota@xxxxxxx> > > --- > > Looks good except for - what happens when we replace or add a new zone > device with a different queue_max_zone_append_sectors(queue) value. ? The max zone seems to be a constraint for all devices so yeah it should be recalculated.
