Re: [f2fs-dev] [PATCH] f2fs: add carve_out sysfs node
From: Chao Yu
Date: Tue Mar 11 2025 - 22:53:40 EST
On 3/12/25 02:29, Daeho Jeong wrote:
> From: Daeho Jeong <daehojeong@xxxxxxxxxx>
>
> For several zoned storage devices, vendors will provide extra space
> which was used for device level GC than specs and F2FS can use this
> space for filesystem level GC. To do that, we can reserve the space
> using reserved_blocks. However, it is not enough, since this extra
> space should not be shown to users. So, with this new sysfs node,
> we can hide the space by substracting reserved_blocks from total
> bytes.
>
> Signed-off-by: Daeho Jeong <daehojeong@xxxxxxxxxx>