On Thu, May 31 2018 at 12:35am -0400,
Jens Axboe <axboe@xxxxxxxxx> wrote:
> On May 30, 2018, at 10:23 PM, Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
> >
> > Hi all,
> >
> > After merging the device-mapper tree, today's linux-next build (x86_64
> > allmodconfig) failed like this:
> >
> > drivers/md/dm-writecache.c: In function 'writecache_dtr':
> > drivers/md/dm-writecache.c:1799:3: error: implicit declaration of function 'bioset_free'; did you mean 'bvec_free'? [-Werror=implicit-function-declaration]
> > bioset_free(wc->bio_set);
> > ^~~~~~~~~~~
> > bvec_free
> > drivers/md/dm-writecache.c: In function 'writecache_ctr':
> > drivers/md/dm-writecache.c:1929:17: error: implicit declaration of function 'bioset_create'; did you mean 'bioset_exit'? [-Werror=implicit-function-declaration]
> > wc->bio_set = bioset_create(BIO_POOL_SIZE,
> > ^~~~~~~~~~~~~
> > bioset_exit
> > drivers/md/dm-writecache.c:1929:15: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
> > wc->bio_set = bioset_create(BIO_POOL_SIZE,
> > ^
> >
> > Caused by commit
> >
> > 2105231db61b ("dm: add writecache target")
> >
> > interacting with commit
> >
> > dad08527525f ("block: Drop bioset_create()")
> >
> > from the block tree.
> >
> > Can we please consider not immediately dropping APIs if at all
> > possible. :-(
>
> I’ll drop the last patch, we can do that at the end of the merge window instead.
>
FYI, I've since updated dm-writecache to use the new APIs
Mike
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