Re: [PATCH] f2fs: return writeback error from collapse range

[Chao Yu]

On 7/27/26 15:49, Wenjie Qi wrote:
> f2fs_collapse_range() writes back pages moved by f2fs_do_collapse(),
> but ignores the return value. If writeback fails, the ioctl can still
> truncate page cache, shrink blocks, and report success.
>
> Return the error before truncating page cache or updating the file size.
>
> Fixes: b4ace3370324 ("f2fs: support FALLOC_FL_COLLAPSE_RANGE")
> Cc: stable@xxxxxxxxxx
> Assisted-by: Codex:gpt-5.5
> Signed-off-by: Wenjie Qi <qiwenjie@xxxxxxxxxx>

Reviewed-by: Chao Yu <chao@xxxxxxxxxx>

Thanks,