Re: [PATCH v7 09/18] pstore/blk: Introduce backend for block devices

From: Kees Cook
Date: Mon May 11 2020 - 19:11:27 EST


On Mon, May 11, 2020 at 08:36:49AM -0700, Randy Dunlap wrote:
> On 5/10/20 1:24 PM, Kees Cook wrote:
> > diff --git a/fs/pstore/Kconfig b/fs/pstore/Kconfig
> > index 98d2457bdd9f..92ba73bd0b62 100644
> > --- a/fs/pstore/Kconfig
> > +++ b/fs/pstore/Kconfig
> > @@ -160,3 +160,67 @@ config PSTORE_ZONE
> > help
> > The common layer for pstore/blk (and pstore/ram in the future)
> > to manage storage in zones.
> > +
> > +config PSTORE_BLK
> > + tristate "Log panic/oops to a block device"
> > + depends on PSTORE
> > + depends on BLOCK
> > + select PSTORE_ZONE
> > + default n
> > + help
> > + This enables panic and oops message to be logged to a block dev
> > + where it can be read back at some later point.
> > +
> > + If unsure, say N.
> > +
> > +config PSTORE_BLK_BLKDEV
> > + string "block device identifier"
> > + depends on PSTORE_BLK
> > + default ""
> > + help
> > + Which block device should be used for pstore/blk.
> > +
> > + It accept the following variants:
> > + 1) <hex_major><hex_minor> device number in hexadecimal represents
> > + itself no leading 0x, for example b302.
>
> itself with no leading 0x,

Yes, I've reworked the language here. Thanks!

--
Kees Cook