Re: [f2fs-dev] [PATCH 2/2] f2fs: introduce FI_COMPRESS_RELEASED instead of using IMMUTABLE bit

From: Jaegeuk Kim
Date: Mon Jun 07 2021 - 12:56:59 EST


On 06/06, Chao Yu wrote:
> On 2021/5/26 4:49, Jaegeuk Kim wrote:
> > Once we release compressed blocks, we used to set IMMUTABLE bit. But it turned
> > out it disallows every fs operations which we don't need for compression.
> >
> > Let's just prevent writing data only.
> >
> > Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
>
> Reviewed-by: Chao Yu <yuchao0@xxxxxxxxxx>
>
> BTW, we need to expose .i_inline field to userspace since there is no
> way to check status of inode whether it has released blocks?

Need to add some in F2FS_IOC_GET_COMPRESS_OPTION?

>
> Thanks,