On Thu, 1 Jun 2023, Darrick J. Wong wrote:
> On Mon, May 29, 2023 at 04:59:40PM -0400, Mikulas Patocka wrote:
>
> > #!/bin/sh -ex
> > umount /mnt/test || true
> > dmsetup remove_all || true
> > rmmod brd || true
> > SRC=/usr/src/git/bcachefs-tools
> > while true; do
> > modprobe brd rd_size=1048576
> > bcachefs format --replicas=2 /dev/ram0 /dev/ram1
> > dmsetup create flakey --table "0 `blockdev --getsize /dev/ram0`
> > linear /dev/ram0 0"
> > mount -t bcachefs /dev/mapper/flakey:/dev/ram1 /mnt/test
> > dmsetup load flakey --table "0 `blockdev --getsize /dev/ram0`
> > flakey /dev/ram0 0 0 1 4 random_write_corrupt 100000000 random_read_corrupt
> > 100000000"
>
> Hey, that's really neat!
>
> Any chance you'd be willing to get the dm-flakey changes merged into
> upstream so that someone can write a recoveryloop fstest to test all the
> filesystems systematically?
>
> :D
>
> --D
Yes, we will merge improved dm-flakey in the next merge window.
Mikulas
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