On Wed, May 3, 2023 at 2:40 PM John Garry <john.g.garry@xxxxxxxxxx> wrote: > > From: Himanshu Madhani <himanshu.madhani@xxxxxxxxxx> > > Add the following limits: > - atomic_write_boundary > - atomic_write_max_bytes > - atomic_write_unit_max > - atomic_write_unit_min > > Signed-off-by: Himanshu Madhani <himanshu.madhani@xxxxxxxxxx> > Signed-off-by: John Garry <john.g.garry@xxxxxxxxxx> > --- > Documentation/ABI/stable/sysfs-block | 42 +++++++++++++++++++++ > block/blk-settings.c | 56 ++++++++++++++++++++++++++++ > block/blk-sysfs.c | 33 ++++++++++++++++ > include/linux/blkdev.h | 23 ++++++++++++ > 4 files changed, 154 insertions(+) > ... > diff --git a/block/blk-settings.c b/block/blk-settings.c > index 896b4654ab00..e21731715a12 100644 > --- a/block/blk-settings.c > +++ b/block/blk-settings.c > @@ -59,6 +59,9 @@ void blk_set_default_limits(struct queue_limits *lim) > lim->zoned = BLK_ZONED_NONE; > lim->zone_write_granularity = 0; > lim->dma_alignment = 511; > + lim->atomic_write_unit_min = lim->atomic_write_unit_max = 1; > + lim->atomic_write_max_bytes = 512; > + lim->atomic_write_boundary = 0; > } Not seeing required changes to blk_set_stacking_limits() nor blk_stack_limits(). Sorry to remind you of DM and MD limits stacking requirements. ;) Mike
