On Nov 09, 2021 / 07:33, Jens Axboe wrote: > On 11/9/21 3:47 AM, Shin'ichiro Kawasaki wrote: > > When BLKDISCARD or BLKZEROOUT ioctl race with data read, stale page cache is > > left. This patch series have two fox patches for the stale page cache. Same > > fix approach was used as blkdev_fallocate() [1]. > > > > [1] https://marc.info/?l=linux-block&m=163236463716836 > > > > Shin'ichiro Kawasaki (2): > > block: Hold invalidate_lock in BLKDISCARD ioctl > > block: Hold invalidate_lock in BLKZEROOUT ioctl > > > > block/ioctl.c | 24 ++++++++++++++++++------ > > 1 file changed, 18 insertions(+), 6 deletions(-) > > > > Do you want to do a v2 with BLKRESETZONE added as well? I can do these > separately. but a bit awkward right now as my main block 5.16 branch > doesn't yet have the bdev size changes. I'll queue this up post flushing > out the remaining block bits for 5.16, if v2 with BLKRESETZONE happens > before that I'll just use that one. Let's separate the BLKRESETZONE patch. I'll need some more time to prepare it. I saw the BLKDISCARD and BLKZEROOUT patches queued in the block-5.16 branch. Thanks! -- Best Regards, Shin'ichiro Kawasaki
