[dm-devel] Re: dm log: fix create_log_context() to use proper logical_block_size

Mike Snitzer snitzer at redhat.com
Wed Jun 17 16:29:33 UTC 2009


On Wed, Jun 17 2009 at 12:26pm -0400,
Martin K. Petersen <martin.petersen at oracle.com> wrote:

> >>>>> "Mike" == Mike Snitzer <snitzer at redhat.com> writes:
> 
> Mike> create_log_context() must use the logical_block_size from the log
> Mike> disk rather than the target's logical_block_size.
> 
> Mike>  		buf_size = dm_round_up((LOG_OFFSET << SECTOR_SHIFT) +
> Mike>  				       bitset_size,
> Mike> - ti->limits.logical_block_size);
> Mike> + q->limits.logical_block_size);
>  
> Please use the accessor functions when possible.
> 
> bdev_logical_block_size(lc->header_location.bdev) to the rescue....

Ah right, thanks for the reminder!

v2 of the patch to follow...

Mike




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