tree: https://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git review-cgroup-btrfs-metadata-v2 head: 5fcd5b307c005767bf759179da8f346defd6f328 commit: 5fcd5b307c005767bf759179da8f346defd6f328 [5/5] btrfs: ensure that metadata and flush are issued from the root cgroup config: i386-randconfig-x013-201741 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: git checkout 5fcd5b307c005767bf759179da8f346defd6f328 # save the attached .config to linux build tree make ARCH=i386 All error/warnings (new ones prefixed by >>): In file included from include/linux/backing-dev.h:16:0, from fs/btrfs/ctree.h:29, from fs/btrfs/check-integrity.c:99: fs/btrfs/check-integrity.c: In function 'btrfsic_submit_bh': >> include/linux/blk-cgroup.h:736:24: error: passing argument 3 of 'submit_bh_blkcg_css' from incompatible pointer type [-Werror=incompatible-pointer-types] #define blkcg_root_css ((struct cgroup_subsys_state *)ERR_PTR(-EINVAL)) ^ >> fs/btrfs/check-integrity.c:2744:44: note: in expansion of macro 'blkcg_root_css' return submit_bh_blkcg_css(op, op_flags, blkcg_root_css); ^~~~~~~~~~~~~~ In file included from fs/btrfs/check-integrity.c:93:0: include/linux/buffer_head.h:201:5: note: expected 'struct buffer_head *' but argument is of type 'struct cgroup_subsys_state *' int submit_bh_blkcg_css(int op, int op_flags, struct buffer_head *bh, ^~~~~~~~~~~~~~~~~~~ fs/btrfs/check-integrity.c:2744:10: error: too few arguments to function 'submit_bh_blkcg_css' return submit_bh_blkcg_css(op, op_flags, blkcg_root_css); ^~~~~~~~~~~~~~~~~~~ In file included from fs/btrfs/check-integrity.c:93:0: include/linux/buffer_head.h:201:5: note: declared here int submit_bh_blkcg_css(int op, int op_flags, struct buffer_head *bh, ^~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors -- In file included from include/linux/backing-dev.h:16:0, from fs//btrfs/ctree.h:29, from fs//btrfs/check-integrity.c:99: fs//btrfs/check-integrity.c: In function 'btrfsic_submit_bh': >> include/linux/blk-cgroup.h:736:24: error: passing argument 3 of 'submit_bh_blkcg_css' from incompatible pointer type [-Werror=incompatible-pointer-types] #define blkcg_root_css ((struct cgroup_subsys_state *)ERR_PTR(-EINVAL)) ^ fs//btrfs/check-integrity.c:2744:44: note: in expansion of macro 'blkcg_root_css' return submit_bh_blkcg_css(op, op_flags, blkcg_root_css); ^~~~~~~~~~~~~~ In file included from fs//btrfs/check-integrity.c:93:0: include/linux/buffer_head.h:201:5: note: expected 'struct buffer_head *' but argument is of type 'struct cgroup_subsys_state *' int submit_bh_blkcg_css(int op, int op_flags, struct buffer_head *bh, ^~~~~~~~~~~~~~~~~~~ fs//btrfs/check-integrity.c:2744:10: error: too few arguments to function 'submit_bh_blkcg_css' return submit_bh_blkcg_css(op, op_flags, blkcg_root_css); ^~~~~~~~~~~~~~~~~~~ In file included from fs//btrfs/check-integrity.c:93:0: include/linux/buffer_head.h:201:5: note: declared here int submit_bh_blkcg_css(int op, int op_flags, struct buffer_head *bh, ^~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/submit_bh_blkcg_css +736 include/linux/blk-cgroup.h 3e252066 block/blk-cgroup.h Vivek Goyal 2009-12-04 735 496d5e75 include/linux/blk-cgroup.h Tejun Heo 2015-05-22 @736 #define blkcg_root_css ((struct cgroup_subsys_state *)ERR_PTR(-EINVAL)) 496d5e75 include/linux/blk-cgroup.h Tejun Heo 2015-05-22 737 :::::: The code at line 736 was first introduced by commit :::::: 496d5e7560dbb84399dbd92316fc33857aa83900 blkcg: add blkcg_root_css :::::: TO: Tejun Heo <tj@xxxxxxxxxx> :::::: CC: Jens Axboe <axboe@xxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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