[PATCH] erofs: enable dax for chunk based regular file

Gao Xiang hsiangkao at linux.alibaba.com
Tue Jul 11 14:08:08 AEST 2023


Hi Xin,

On 2023/7/11 12:02, Xin Yin wrote:
> DAX can be used to share page cache between VMs, reducing guest memory
> overhead. And chunk based data format is widely used for VM and
> container image. So enable dax support for it, make erofs better used
> for VM scenarios.
> 
> Signed-off-by: Xin Yin <yinxin.x at bytedance.com>

I really think it's a regression honestly, how about updating
the subject line to:

"erofs: fix fsdax unavailability for chunk-based regular files"

Fixes: c5aa903a59db ("erofs: support reading chunk-based uncompressed files")

Thanks,
Gao Xiang


More information about the Linux-erofs mailing list