3:10 a.m.
Hi "Wang,
[FYI, it's a private test report for your RFC patch.]
[auto build test WARNING on v5.17-rc4]
[cannot apply to axboe-block/for-next next-20220216]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url:
https://github.com/0day-ci/linux/commits/Wang-Jianchao-Kuaishou/blk-make-...
base: 754e0b0e35608ed5206d6a67a791563c631cec07
config: riscv-buildonly-randconfig-r004-20220216
(https://download.01.org/0day-ci/archive/20220216/202202162343.zPf2UuRg-lk...)
compiler: riscv32-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
#
https://github.com/0day-ci/linux/commit/28800cf3765b9c31df59c666540b777f2...
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review
Wang-Jianchao-Kuaishou/blk-make-blk-rq-qos-policies-pluggable-and-modular/20220216-195026
git checkout 28800cf3765b9c31df59c666540b777f278f03e5
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir
ARCH=riscv SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
block/blk-iocost.c: In function 'iocg_activate':
block/blk-iocost.c:1245:13: warning: variable 'last_period' set but not used
[-Wunused-but-set-variable]
1245 | u64 last_period, cur_period;
| ^~~~~~~~~~~
block/blk-iocost.c: In function 'ioc_cost_model_write':
> block/blk-iocost.c:3333:24: warning: variable 'rqos' set
but not used [-Wunused-but-set-variable]
3333 | struct rq_qos *rqos;
| ^~~~
vim +/rqos +3333 block/blk-iocost.c
3328
3329 static ssize_t ioc_cost_model_write(struct kernfs_open_file *of, char *input,
3330 size_t nbytes, loff_t off)
3331 {
3332 struct block_device *bdev;
3333 struct rq_qos *rqos;
3334 struct ioc *ioc;
3335 u64 u[NR_I_LCOEFS];
3336 bool user;
3337 char *p;
3338 int ret;
3339
3340 bdev = blkcg_conf_open_bdev(&input);
3341 if (IS_ERR(bdev))
3342 return PTR_ERR(bdev);
3343
3344 rqos = rq_qos_get(bdev_get_queue(bdev), ioc_rqos_ops.id);
3345 if (!ioc) {
3346 ret = -EOPNOTSUPP;
3347 goto err;
3348 }
3349
3350 spin_lock_irq(&ioc->lock);
3351 memcpy(u, ioc->params.i_lcoefs, sizeof(u));
3352 user = ioc->user_cost_model;
3353 spin_unlock_irq(&ioc->lock);
3354
3355 while ((p = strsep(&input, " \t\n"))) {
3356 substring_t args[MAX_OPT_ARGS];
3357 char buf[32];
3358 int tok;
3359 u64 v;
3360
3361 if (!*p)
3362 continue;
3363
3364 switch (match_token(p, cost_ctrl_tokens, args)) {
3365 case COST_CTRL:
3366 match_strlcpy(buf, &args[0], sizeof(buf));
3367 if (!strcmp(buf, "auto"))
3368 user = false;
3369 else if (!strcmp(buf, "user"))
3370 user = true;
3371 else
3372 goto einval;
3373 continue;
3374 case COST_MODEL:
3375 match_strlcpy(buf, &args[0], sizeof(buf));
3376 if (strcmp(buf, "linear"))
3377 goto einval;
3378 continue;
3379 }
3380
3381 tok = match_token(p, i_lcoef_tokens, args);
3382 if (tok == NR_I_LCOEFS)
3383 goto einval;
3384 if (match_u64(&args[0], &v))
3385 goto einval;
3386 u[tok] = v;
3387 user = true;
3388 }
3389
3390 spin_lock_irq(&ioc->lock);
3391 if (user) {
3392 memcpy(ioc->params.i_lcoefs, u, sizeof(u));
3393 ioc->user_cost_model = true;
3394 } else {
3395 ioc->user_cost_model = false;
3396 }
3397 ioc_refresh_params(ioc, true);
3398 spin_unlock_irq(&ioc->lock);
3399
3400 blkdev_put_no_open(bdev);
3401 return nbytes;
3402
3403 einval:
3404 ret = -EINVAL;
3405 err:
3406 blkdev_put_no_open(bdev);
3407 return ret;
3408 }
3409
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org