eparate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202510240319.bLypyxx1-lkp@intel.com/

All error/warnings (new ones prefixed by >>):
     781 | static DEFINE_IO_URING_CMD_TASK_WORK(blk_cmd_complete)
         |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   block/ioctl.c: In function 'DEFINE_IO_URING_CMD_TASK_WORK':
     784 | {
         | ^
   block/ioctl.c:798:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
     798 | {
         | ^
   block/ioctl.c:853:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
     853 | {
         | ^
     781 | static DEFINE_IO_URING_CMD_TASK_WORK(blk_cmd_complete)
         |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   block/ioctl.c: At top level:
     781 | static DEFINE_IO_URING_CMD_TASK_WORK(blk_cmd_complete)
         |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     772 | static void blk_cmd_complete(struct io_uring_cmd *cmd, unsigned int issue_flags)
         |             ^~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors
--
     410 | static DEFINE_IO_URING_CMD_TASK_WORK(nvme_uring_task_cb)
         |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/nvme/host/ioctl.c: In function 'DEFINE_IO_URING_CMD_TASK_WORK':
     414 | {
         | ^
   drivers/nvme/host/ioctl.c:441:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
     441 | {
         | ^
   drivers/nvme/host/ioctl.c:534:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
     534 | {
         | ^
   drivers/nvme/host/ioctl.c:544:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
     544 | {
         | ^
   drivers/nvme/host/ioctl.c:575:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
     575 | {
         | ^
   drivers/nvme/host/ioctl.c:605:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
     605 | {
         | ^
   drivers/nvme/host/ioctl.c:620:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
     620 | {
         | ^
   drivers/nvme/host/ioctl.c:632:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
     632 | {
         | ^
   drivers/nvme/host/ioctl.c:643:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
     643 | {
         | ^
   drivers/nvme/host/ioctl.c:666:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
     666 | {
         | ^
   drivers/nvme/host/ioctl.c:676:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
     676 | {
         | ^
   drivers/nvme/host/ioctl.c:777:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
     777 | {
         | ^
   drivers/nvme/host/ioctl.c:805:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
     805 | {
         | ^
   drivers/nvme/host/ioctl.c:842:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
     842 | {
         | ^
     410 | static DEFINE_IO_URING_CMD_TASK_WORK(nvme_uring_task_cb)
         |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/nvme/host/ioctl.c: At top level:
     410 | static DEFINE_IO_URING_CMD_TASK_WORK(nvme_uring_task_cb)
         |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     401 | static void nvme_uring_task_cb(struct io_uring_cmd *ioucmd,
         |             ^~~~~~~~~~~~~~~~~~
     329 | static int nvme_user_cmd64(struct nvme_ctrl *ctrl, struct nvme_ns *ns,
         |            ^~~~~~~~~~~~~~~
     281 | static int nvme_user_cmd(struct nvme_ctrl *ctrl, struct nvme_ns *ns,
         |            ^~~~~~~~~~~~~
     206 | static int nvme_submit_io(struct nvme_ns *ns, struct nvme_user_io __user *uio)
         |            ^~~~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +/int +781 block/ioctl.c

   771	
 > 772	static void blk_cmd_complete(struct io_uring_cmd *cmd, unsigned int issue_flags)
   773	{
   774		struct blk_iou_cmd *bic = io_uring_cmd_to_pdu(cmd, struct blk_iou_cmd);
   775	
   776		if (bic->res == -EAGAIN && bic->nowait)
   777			io_uring_cmd_issue_blocking(cmd);
   778		else
   779			io_uring_cmd_done(cmd, bic->res, issue_flags);
   780	}
 > 781	static DEFINE_IO_URING_CMD_TASK_WORK(blk_cmd_complete)
   782	
   783	static void bio_cmd_bio_end_io(struct bio *bio)
 > 784	{
   785		struct io_uring_cmd *cmd = bio->bi_private;
   786		struct blk_iou_cmd *bic = io_uring_cmd_to_pdu(cmd, struct blk_iou_cmd);
   787	
   788		if (unlikely(bio->bi_status) && !bic->res)
   789			bic->res = blk_status_to_errno(bio->bi_status);
   790	
   791		io_uring_cmd_do_in_task_lazy(cmd, blk_cmd_complete);
   792		bio_put(bio);
   793	}
   794	
   795	static int blkdev_cmd_discard(struct io_uring_cmd *cmd,
   796				      struct block_device *bdev,
   797				      uint64_t start, uint64_t len, bool nowait)
 > 798	{
   799		struct blk_iou_cmd *bic = io_uring_cmd_to_pdu(cmd, struct blk_iou_cmd);
   800		gfp_t gfp = nowait ? GFP_NOWAIT : GFP_KERNEL;
   801		sector_t sector = start >> SECTOR_SHIFT;
   802		sector_t nr_sects = len >> SECTOR_SHIFT;
   803		struct bio *prev = NULL, *bio;
   804		int err;
   805	
   806		if (!bdev_max_discard_sectors(bdev))
   807			return -EOPNOTSUPP;
   808		if (!(file_to_blk_mode(cmd->file) & BLK_OPEN_WRITE))
   809			return -EBADF;
   810		if (bdev_read_only(bdev))
   811			return -EPERM;
   812		err = blk_validate_byte_range(bdev, start, len);
   813		if (err)
   814			return err;
   815	
   816		err = filemap_invalidate_pages(bdev->bd_mapping, start,
   817						start + len - 1, nowait);
   818		if (err)
   819			return err;
   820	
   821		while (true) {
   822			bio = blk_alloc_discard_bio(bdev, &sector, &nr_sects, gfp);
   823			if (!bio)
   824				break;
   825			if (nowait) {
   826				/*
   827				 * Don't allow multi-bio non-blocking submissions as
   828				 * subsequent bios may fail but we won't get a direct
   829				 * indication of that. Normally, the caller should
   830				 * retry from a blocking context.
   831				 */
   832				if (unlikely(nr_sects)) {
   833					bio_put(bio);
   834					return -EAGAIN;
   835				}
   836				bio->bi_opf |= REQ_NOWAIT;
   837			}
   838	
   839			prev = bio_chain_and_submit(prev, bio);
   840		}
   841		if (unlikely(!prev))
   842			return -EAGAIN;
   843		if (unlikely(nr_sects))
   844			bic->res = -EAGAIN;
   845	
   846		prev->bi_private = cmd;
   847		prev->bi_end_io = bio_cmd_bio_end_io;
   848		submit_bio(prev);
   849		return -EIOCBQUEUED;
   850	}
   851	
   852	int blkdev_uring_cmd(struct io_uring_cmd *cmd, unsigned int issue_flags)
 > 853	{
   854		struct block_device *bdev = I_BDEV(cmd->file->f_mapping->host);
   855		struct blk_iou_cmd *bic = io_uring_cmd_to_pdu(cmd, struct blk_iou_cmd);
   856		const struct io_uring_sqe *sqe = cmd->sqe;
   857		u32 cmd_op = cmd->cmd_op;
   858		uint64_t start, len;
   859	
   860		if (unlikely(sqe->ioprio || sqe->__pad1 || sqe->len ||
   861			     sqe->rw_flags || sqe->file_index))
   862			return -EINVAL;
   863	
   864		bic->res = 0;
   865		bic->nowait = issue_flags & IO_URING_F_NONBLOCK;
   866	
   867		start = READ_ONCE(sqe->addr);
   868		len = READ_ONCE(sqe->addr3);
   869	
   870		switch (cmd_op) {
   871		case BLOCK_URING_CMD_DISCARD:
   872			return blkdev_cmd_discard(cmd, bdev, start, len, bic->nowait);
   873		}
   874		return -EINVAL;
   875	}

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki[PATCH 3/3] io_uring/uring_cmd: avoid double indirect call in task work dispatchkernel test robot <lkp@intel.com> undefinedCaleb Sander Mateos <csander@purestorage.com>, Jens Axboe <axboe@kernel.dk>, Miklos Szeredi <miklos@szeredi.hu>, Ming Lei <ming.lei@redhat.com>, Keith Busch <kbusch@kernel.org>, Christoph Hellwig <hch@lst.de>, Sagi Grimberg <sagi@grimberg.me>, Chris Mason <chris.mason@fusionio.com>, David Sterba <dsterba@suse.com> undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined