tree: https://git.kernel.org/pub/scm/linux/kernel/git/josef/btrfs-next.git for-4.18/block head: 657e770d4d6e3b03c3d4b96e427b30d6f766e2e2 commit: 03766852a022b0ff5f8c4b73f40ef205a36d095e [1/13] block: add bi_blkg to the bio for cgroups config: i386-randconfig-a0-201820 (attached as .config) compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4 reproduce: git checkout 03766852a022b0ff5f8c4b73f40ef205a36d095e # save the attached .config to linux build tree make ARCH=i386
All warnings (new ones prefixed by >>):
In file included from include/linux/blkdev.h:21:0,
from include/linux/t10-pi.h:6,
from drivers//target/target_core_device.c:36:
>> include/linux/bio.h:556:55: warning: 'struct blkcg_gq' declared inside
>> parameter list
static int bio_associate_blkg(struct bio *bio, struct blkcg_gq *blkg) {
return 0; }
^
>> include/linux/bio.h:556:55: warning: its scope is only this definition or
>> declaration, which is probably not what you want
include/linux/bio.h:556:12: warning: 'bio_associate_blkg' defined but not
used [-Wunused-function]
static int bio_associate_blkg(struct bio *bio, struct blkcg_gq *blkg) {
return 0; }
^
vim +556 include/linux/bio.h
544
545 #define bio_dev(bio) \
546 disk_devt((bio)->bi_disk)
547
548 #ifdef CONFIG_BLK_CGROUP
549 int bio_associate_blkcg(struct bio *bio, struct cgroup_subsys_state
*blkcg_css);
550 int bio_associate_blkg(struct bio *bio, struct blkcg_gq *blkg);
551 void bio_disassociate_task(struct bio *bio);
552 void bio_clone_blkcg_association(struct bio *dst, struct bio *src);
553 #else /* CONFIG_BLK_CGROUP */
554 static inline int bio_associate_blkcg(struct bio *bio,
555 struct cgroup_subsys_state *blkcg_css) { return
0; }
> 556 static int bio_associate_blkg(struct bio *bio, struct blkcg_gq *blkg) {
> return 0; }
557 static inline void bio_disassociate_task(struct bio *bio) { }
558 static inline void bio_clone_blkcg_association(struct bio *dst,
559 struct bio *src) { }
560 #endif /* CONFIG_BLK_CGROUP */
561
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0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
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