On Wed, Jul 08, 2020 at 05:14:29PM -0600, Jens Axboe wrote:

On 7/1/20 3:06 AM, Christoph Hellwig wrote:

quoted

Hi Jens,

we have a lot of bdi congestion related code that is left around without
any use.  This series removes it in preparation of sorting out the bdi
lifetime rules properly.

Please run series like this through a full compilation, for both this one
and the previous series I had to fix up issues like this:

drivers/md/bcache/request.c: In function ‘bch_cached_dev_request_init’:
drivers/md/bcache/request.c:1233:18: warning: unused variable ‘g’ [-Wunused-variable]
 1233 |  struct gendisk *g = dc->disk.disk;
      |                  ^
drivers/md/bcache/request.c: In function ‘bch_flash_dev_request_init’:
drivers/md/bcache/request.c:1320:18: warning: unused variable ‘g’ [-Wunused-variable]
 1320 |  struct gendisk *g = d->disk;
      |                  ^

Did the same here, applied it.

And just like the previous one I did, and the compiler did not complain.
There must be something about certain gcc versions not warning about
variables that are initialized but not otherwise used.
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