Re: [f2fs-dev] [PATCH] f2fs: introduce nosmall_discard mount option

Chao Yu
2021-07-30T23:48:23Z

On 2021/7/31 7:41, Chao Yu wrote:
> On 2021/7/31 2:28, Jaegeuk Kim wrote:
>> how about adding "discard_gran=[small|segment|section]", and keeping discard_map
>> in the small case only? And, I think we should set the section mode for zoned
>> device automatically.
>
> Yup, better,
>
> About the naming, it look discard_gran is not clear here, since there is another
> sysfs entry /sys/fs/f2fs/<devname>/discard_granularity has the same name, and
> also semantics of newly added mount option is not only control the smallest discard
> size, but also indicate discard start offset should be aligned to segment or section.
> So how about using: "aligned_discard=[none|segment|section]" instead?

Maybe: "aligned_discard=[block|segment|section]"?

>
> Thanks,
>
>
> _______________________________________________
> Linux-f2fs-devel mailing list
> Linux-f2fs-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
>