Re: [PATCH] io-wq: remove GFP_ATOMIC allocation off schedule out path

From: kernel test robot
Date: Tue Aug 10 2021 - 07:22:53 EST


Hi Sebastian,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.14-rc5]
[cannot apply to next-20210810]
[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/Sebastian-Andrzej-Siewior/io-wq-remove-GFP_ATOMIC-allocation-off-schedule-out-path/20210810-154135
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 9a73fa375d58fee5262dd16473c8e7522bdf44de
config: um-x86_64_defconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://github.com/0day-ci/linux/commit/7fd11421b3672d0230a9b529445014d99185b387
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Sebastian-Andrzej-Siewior/io-wq-remove-GFP_ATOMIC-allocation-off-schedule-out-path/20210810-154135
git checkout 7fd11421b3672d0230a9b529445014d99185b387
# save the attached .config to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=um SUBARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

fs/io-wq.c: In function 'create_worker_cb':
>> fs/io-wq.c:286:15: error: 'struct io_worker' has no member named 'wq'; did you mean 'wqe'?
286 | wq = worker->wq;
| ^~
| wqe


vim +286 fs/io-wq.c

276
277 static void create_worker_cb(struct callback_head *cb)
278 {
279 struct io_worker *worker;
280 struct io_wq *wq;
281 struct io_wqe *wqe;
282 struct io_wqe_acct *acct;
283
284 worker = container_of(cb, struct io_worker, create_work);
285 wqe = worker->wqe;
> 286 wq = worker->wq;
287 acct = &wqe->acct[worker->create_index];
288 raw_spin_lock_irq(&wqe->lock);
289 if (acct->nr_workers < acct->max_workers)
290 acct->nr_workers++;
291 raw_spin_unlock_irq(&wqe->lock);
292 create_io_worker(wq, wqe, worker->create_index);
293 clear_bit_unlock(0, &worker->create_state);
294 io_worker_release(worker);
295 }
296

---
0-DAY CI Kernel Test Service, Intel Corporation
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