On 4/12/21 3:53 AM, Coly Li wrote: > On 4/12/21 5:06 PM, Christoph Hellwig wrote: >> On Sun, Apr 11, 2021 at 09:43:16PM +0800, Coly Li wrote: >>> The patch "bcache: remove PTR_CACHE" introduces a compiling failure in >>> debug.c with following error message, >>> In file included from drivers/md/bcache/bcache.h:182:0, >>> from drivers/md/bcache/debug.c:9: >>> drivers/md/bcache/debug.c: In function 'bch_btree_verify': >>> drivers/md/bcache/debug.c:53:19: error: 'c' undeclared (first use in >>> this function) >>> bio_set_dev(bio, c->cache->bdev); >>> ^ >>> This patch fixes the regression by replacing c->cache->bdev by b->c-> >>> cache->bdev. >> >> Why not fold this into the offending patch? >> > > I don't know whether I can do it without authorization or agreement from > original author. And I see other maintainers handling similar situation > by either re-write whole patch or appending an extra fix. > > If you have a suggested process, I can try it out next time for similar > situation. What I generally do is just add a line between the SOB's for cases like this, ala: commit 70aacfe66136809d7f080f89c492c278298719f4 Author: Pavel Begunkov <asml.silence@xxxxxxxxx> Date: Mon Mar 1 13:02:15 2021 +0000 io_uring: kill sqo_dead and sqo submission halting As SQPOLL task doesn't poke into ->sqo_task anymore, there is no need to kill the sqo when the master task exits. Before it was necessary to avoid races accessing sqo_task->files with removing them. Signed-off-by: Pavel Begunkov <asml.silence@xxxxxxxxx> [axboe: don't forget to enable SQPOLL before exit, if started disabled] Signed-off-by: Jens Axboe <axboe@xxxxxxxxx> -- Jens Axboe