Re: [f2fs-dev] [PATCH] f2fs: allow direct read for zoned device

On 2022/10/1 6:53, Jaegeuk Kim wrote:

This reverts dbf8e63f48af ("f2fs: remove device type check for direct IO"), and apply the below first version, since it contributed out-of-order DIO writes.

For zoned devices, f2fs forbids direct IO and forces buffered IO to serialize write IOs. However, the constraint does not apply to read IOs.

Cc: stable@vger.kernel.org Fixes: dbf8e63f48af ("f2fs: remove device type check for direct IO") Signed-off-by: Eunhee Rho eunhee83.rho@samsung.com Signed-off-by: Jaegeuk Kim jaegeuk@kernel.org

Reviewed-by: Chao Yu chao@kernel.org

Thanks,