[Drbd-dev] [PATCH v2 2/8] block: move two bvec structure into bvec.h
kbuild test robot
lkp at intel.com
Sun Apr 3 20:12:25 CEST 2016
Hi Ming,
[auto build test ERROR on block/for-next]
[also build test ERROR on v4.6-rc2 next-20160401]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]
url: https://github.com/0day-ci/linux/commits/Ming-Lei/block-prepare-for-multipage-bvecs/20160404-003648
base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next
config: arm-at91_dt_defconfig (attached as .config)
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=arm
All errors (new ones prefixed by >>):
In file included from include/linux/blk_types.h:9:0,
from arch/arm/include/asm/io.h:28,
from drivers/input/joydev.c:15:
include/linux/bvec.h: In function 'bvec_iter_advance':
>> include/linux/bvec.h:69:2: error: implicit declaration of function 'WARN_ONCE' [-Werror=implicit-function-declaration]
WARN_ONCE(bytes > iter->bi_size,
^
>> include/linux/bvec.h:73:3: error: implicit declaration of function 'min' [-Werror=implicit-function-declaration]
unsigned len = min(bytes, bvec_iter_len(bv, *iter));
^
cc1: some warnings being treated as errors
vim +/WARN_ONCE +69 include/linux/bvec.h
0d61ba15 Ming Lei 2016-04-04 63 .bv_offset = bvec_iter_offset((bvec), (iter)), \
0d61ba15 Ming Lei 2016-04-04 64 })
0d61ba15 Ming Lei 2016-04-04 65
0d61ba15 Ming Lei 2016-04-04 66 static inline void bvec_iter_advance(struct bio_vec *bv, struct bvec_iter *iter,
0d61ba15 Ming Lei 2016-04-04 67 unsigned bytes)
0d61ba15 Ming Lei 2016-04-04 68 {
0d61ba15 Ming Lei 2016-04-04 @69 WARN_ONCE(bytes > iter->bi_size,
0d61ba15 Ming Lei 2016-04-04 70 "Attempted to advance past end of bvec iter\n");
0d61ba15 Ming Lei 2016-04-04 71
0d61ba15 Ming Lei 2016-04-04 72 while (bytes) {
0d61ba15 Ming Lei 2016-04-04 @73 unsigned len = min(bytes, bvec_iter_len(bv, *iter));
0d61ba15 Ming Lei 2016-04-04 74
0d61ba15 Ming Lei 2016-04-04 75 bytes -= len;
0d61ba15 Ming Lei 2016-04-04 76 iter->bi_size -= len;
:::::: The code at line 69 was first introduced by commit
:::::: 0d61ba15b7eb4a7478dae53947aaaf898a1bbf30 block: move bvec iterator into include/linux/bvec.h
:::::: TO: Ming Lei <ming.lei at canonical.com>
:::::: CC: 0day robot <fengguang.wu at intel.com>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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