Re: [Q] FAT driver enhancement

[Mike Fedyk]

On Tue, Apr 02, 2002 at 10:27:52PM +0900, OGAWA Hirofumi wrote:
> Helge Hafting <[e-mail]> writes:
> 
> > OGAWA Hirofumi wrote:
> > > 
> > > Jos Hulzink <[e-mail]> writes:
> > > > Questions:
> > > >
> > > > 1) How do you think about the checking of the FAT tables ? It definitely
> > > >    will slow down the mount.
> > > 
> > > Unfortunately if FAT table has bad sector, FAT tables may not be the
> > > same.
> > 
> > And then you don't want to mount unless you know what you
> > are doing.  And those knowing what they are doing can be bothered
> > to use some kind of "force" option in this case.  Or perhaps an
> > option that selects which FAT to trust.
> 
> I mean I/O error, not data damage.

It is the block layer's responsibility to retry such soft errors and recover.

Probably the best you can do, is retry the read a few times if there is an error
reported, and then fail if it persists.