Re: [PATCH] jbd2: fix invalid descriptor block checksum

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On Tue, Feb 26, 2019 at 01:47:10PM +0100, Jan Kara wrote:
> On Tue 26-02-19 09:31:25, luojiajun wrote:
> > In jbd2_journal_commit_transaction(), if we are in abort mode,
> > we may flush the buffer without setting descriptor block checksum
> > by goto start_journal_io. Then fs is mounted,
> > jbd2_descriptor_block_csum_verify() failed.
> > 
> > [  271.379811] EXT4-fs (vdd): shut down requested (2)
> > [  271.381827] Aborting journal on device vdd-8.
> > [  271.597136] JBD2: Invalid checksum recovering block 22199 in log
> > [  271.598023] JBD2: recovery failed
> > [  271.598484] EXT4-fs (vdd): error loading journal
> > 
> > Fix this problem by keep setting descriptor block checksum if the
> > descriptor buffer is not NULL.
> > 
> > This checksum problem can be reproduced by xfstests generic/388.
> > 
> > Signed-off-by: luojiajun <luojiajun3@xxxxxxxxxx>
> 
> The patch looks good to me. You can add:
> 
> Reviewed-by: Jan Kara <jack@xxxxxxx>

Thanks, applied.

					- Ted



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