Messages in this thread | | | Date | Wed, 27 Jul 2022 10:46:15 +0800 | From | kernel test robot <> | Subject | [axboe-block:for-5.20/io_uring-zerocopy-send 23/23] io_uring/notif.c:52:16: error: call to undeclared function 'io_alloc_req_refill'; ISO C99 and later do not support implicit function declarations |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-5.20/io_uring-zerocopy-send head: fbe6f6bc3210e853aab74f20da776c15c5b052fe commit: fbe6f6bc3210e853aab74f20da776c15c5b052fe [23/23] io_uring/zc: notification completion optimisation config: i386-randconfig-a002 (https://download.01.org/0day-ci/archive/20220727/202207271019.xPvKdqmJ-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 83882606dbd7ffb0bdd3460356202d97705809c8) 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://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git/commit/?id=fbe6f6bc3210e853aab74f20da776c15c5b052fe git remote add axboe-block https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git git fetch --no-tags axboe-block for-5.20/io_uring-zerocopy-send git checkout fbe6f6bc3210e853aab74f20da776c15c5b052fe # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
>> io_uring/notif.c:52:16: error: call to undeclared function 'io_alloc_req_refill'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] if (unlikely(!io_alloc_req_refill(ctx))) ^ io_uring/notif.c:52:16: note: did you mean 'io_rsrc_refs_refill'? io_uring/rsrc.h:57:6: note: 'io_rsrc_refs_refill' declared here void io_rsrc_refs_refill(struct io_ring_ctx *ctx); ^ >> io_uring/notif.c:54:10: error: call to undeclared function 'io_alloc_req'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] notif = io_alloc_req(ctx); ^ io_uring/notif.c:54:10: note: did you mean 'xa_alloc_irq'? include/linux/xarray.h:913:32: note: 'xa_alloc_irq' declared here static inline int __must_check xa_alloc_irq(struct xarray *xa, u32 *id, ^ >> io_uring/notif.c:54:8: error: incompatible integer to pointer conversion assigning to 'struct io_kiocb *' from 'int' [-Wint-conversion] notif = io_alloc_req(ctx); ^ ~~~~~~~~~~~~~~~~~ 3 errors generated.
vim +/io_alloc_req_refill +52 io_uring/notif.c
44 45 struct io_kiocb *io_alloc_notif(struct io_ring_ctx *ctx, 46 struct io_notif_slot *slot) 47 __must_hold(&ctx->uring_lock) 48 { 49 struct io_kiocb *notif; 50 struct io_notif_data *nd; 51 > 52 if (unlikely(!io_alloc_req_refill(ctx))) 53 return NULL; > 54 notif = io_alloc_req(ctx); 55 notif->opcode = IORING_OP_NOP; 56 notif->flags = 0; 57 notif->file = NULL; 58 notif->task = current; 59 io_get_task_refs(1); 60 notif->rsrc_node = NULL; 61 io_req_set_rsrc_node(notif, ctx, 0); 62 notif->cqe.user_data = slot->tag; 63 notif->cqe.flags = slot->seq++; 64 notif->cqe.res = 0; 65 66 nd = io_notif_to_data(notif); 67 nd->account_pages = 0; 68 nd->uarg.flags = SKBFL_ZEROCOPY_FRAG | SKBFL_DONT_ORPHAN; 69 nd->uarg.callback = io_uring_tx_zerocopy_callback; 70 /* master ref owned by io_notif_slot, will be dropped on flush */ 71 refcount_set(&nd->uarg.refcnt, 1); 72 return notif; 73 } 74
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