On Tue, Nov 09, 2021 at 07:47:21PM +0900, 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(-) Yeah, the discard ioctl needs such fixes too, seems it isn't triggered in the test disk of my test VM when running block/009. BTW, BLKRESETZONE may need the fix too. Thanks, Ming
