Re: [f2fs-dev] [PATCH v5 2/2] f2fs: don't allow unaligned truncation to smaller/equal size on pinned file

[Chao Yu]

On 6/30/25 17:54, wangzijie wrote:
> To prevent scattered pin block generation, don't allow non-section aligned truncation
> to smaller or equal size on pinned file. But for truncation to larger size, after
> commit 3fdd89b452c2("f2fs: prevent writing without fallocate() for pinned files"),
> we only support overwrite IO to pinned file, so we don't need to consider
> attr->ia_size > i_size case.
> In addition, xfstests #494 assumes truncation on active swapfile(pinned) will return
> ETXTBSY by setattr_prepare() -> inode_newsize_ok(), so we relocate this check after
> setattr_prepare().
> 
> Signed-off-by: wangzijie <wangzijie1@xxxxxxxxx>

Reviewed-by: Chao Yu <chao@xxxxxxxxxx>

Thanks,