Re: [PATCH 0/2 v2] bdev: Avoid discarding buffers under a filesystem

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Hello!

On Fri 04-09-20 10:58:50, Jan Kara wrote:
> this patch set fixes problems when buffer heads are discarded under a
> live filesystem (which can lead to all sorts of issues like crashes in case
> of ext4). Patch 1 drops some stale buffer invalidation code, patch 2
> temporarily gets exclusive access to the block device for the duration of
> buffer cache handling to avoid interfering with other exclusive bdev user.
> The patch fixes the problems for me and pass xfstests for ext4.
> 
> Changes since v1:
> * Check for exclusive access to the bdev instead of for the presence of
>   superblock

Jens, now that Christoph has reviewed the patches (thanks Christoph!), can
you pick up the patches to your tree please? Thanks!

								Honza
-- 
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR



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