RE: Recent changes mean sb_min_blocksize() can now fail

["Sungjong Seo" <sj1557.seo@samsung.com>]

Hi, All

> Hi!
> 
> On Tue 08-04-25 06:33:53, Phillip Lougher wrote:
> > A recent (post 6.14) change to the kernel means sb_min_blocksize() can
> now fail,
> > and any filesystem which doesn't check the result may behave
> unexpectedly as a
> > result.  This change has recently affected Squashfs, and checking the
> kernel code,
> > a number of other filesystems including isofs, gfs2, exfat, fat and xfs
> do not
> > check the result.  This is a courtesy email to warn others of this
> change.
> >
> > The following emails give the relevant details.
> >
> > https://lore.kernel.org/all/2a13ea1c-08df-4807-83d4-
> 241831b7a2ec@squashfs.org.uk/
> > https://lore.kernel.org/all/129d4f39-6922-44e9-8b1c-
> 6455ee564dda@squashfs.org.uk/
> 
> Indeed. Thanks for the heads up!
> 
> 								Honza
> --
> Jan Kara <jack@suse.com>
> SUSE Labs, CR

exfat-fs calls it to set it to the minimum value of 512, but it's not
particularly problematic if it fails.

Thank you
B.R.
Sungjong Seo