tree: git://git.infradead.org/users/hch/block.git blkdev.h-includes head: 48f7fda047613ceec07881f14a5eaf1ee19d4433 commit: b9615241041911b7ce9a57f1a2d24a66e5c2b091 [14/16] block: move struct request to blk-mq.h config: i386-randconfig-a005-20210724 (attached as .config) compiler: gcc-10 (Ubuntu 10.3.0-1ubuntu1~20.04) 10.3.0 reproduce (this is a W=1 build): git remote add hch-block git://git.infradead.org/users/hch/block.git git fetch --no-tags hch-block blkdev.h-includes git checkout b9615241041911b7ce9a57f1a2d24a66e5c2b091 # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from block/blk-crypto.c:18: block/blk-crypto-internal.h: In function 'bio_crypt_ctx_back_mergeable': 34 | return bio_crypt_ctx_mergeable(req->crypt_ctx, blk_rq_bytes(req), | ^~ 34 | return bio_crypt_ctx_mergeable(req->crypt_ctx, blk_rq_bytes(req), | ^~~~~~~~~~~~ block/blk-crypto-internal.h: In function 'bio_crypt_ctx_front_mergeable': block/blk-crypto-internal.h:42:37: error: invalid use of undefined type 'struct request' 42 | bio->bi_iter.bi_size, req->crypt_ctx); | ^~ block/blk-crypto-internal.h: In function 'bio_crypt_ctx_merge_rq': block/blk-crypto-internal.h:48:36: error: invalid use of undefined type 'struct request' 48 | return bio_crypt_ctx_mergeable(req->crypt_ctx, blk_rq_bytes(req), | ^~ block/blk-crypto-internal.h:49:16: error: invalid use of undefined type 'struct request' 49 | next->crypt_ctx); | ^~ block/blk-crypto-internal.h: In function 'blk_crypto_rq_set_defaults': block/blk-crypto-internal.h:54:4: error: invalid use of undefined type 'struct request' 54 | rq->crypt_ctx = NULL; | ^~ block/blk-crypto-internal.h:55:4: error: invalid use of undefined type 'struct request' 55 | rq->crypt_keyslot = NULL; | ^~ block/blk-crypto-internal.h: In function 'blk_crypto_rq_is_encrypted': block/blk-crypto-internal.h:60:11: error: invalid use of undefined type 'struct request' 60 | return rq->crypt_ctx; | ^~ block/blk-crypto-internal.h: In function 'bio_crypt_do_front_merge': block/blk-crypto-internal.h:117:12: error: invalid use of undefined type 'struct request' 117 | memcpy(rq->crypt_ctx->bc_dun, bio->bi_crypt_context->bc_dun, | ^~ block/blk-crypto-internal.h:118:19: error: invalid use of undefined type 'struct request' 118 | sizeof(rq->crypt_ctx->bc_dun)); | ^~ block/blk-crypto.c: In function 'bio_crypt_rq_ctx_compatible': 186 | return bio_crypt_ctx_compatible(rq->crypt_ctx, bio->bi_crypt_context); | ^~ block/blk-crypto.c: In function '__blk_crypto_init_request': block/blk-crypto.c:221:36: error: invalid use of undefined type 'struct request' 221 | return blk_ksm_get_slot_for_key(rq->q->ksm, rq->crypt_ctx->bc_key, | ^~ block/blk-crypto.c:221:48: error: invalid use of undefined type 'struct request' 221 | return blk_ksm_get_slot_for_key(rq->q->ksm, rq->crypt_ctx->bc_key, | ^~ block/blk-crypto.c:222:9: error: invalid use of undefined type 'struct request' 222 | &rq->crypt_keyslot); | ^~ block/blk-crypto.c: In function '__blk_crypto_free_request': block/blk-crypto.c:236:21: error: invalid use of undefined type 'struct request' 236 | blk_ksm_put_slot(rq->crypt_keyslot); | ^~ block/blk-crypto.c:237:17: error: invalid use of undefined type 'struct request' 237 | mempool_free(rq->crypt_ctx, bio_crypt_ctx_pool); | ^~ block/blk-crypto.c: In function '__blk_crypto_rq_bio_prep': block/blk-crypto.c:297:9: error: invalid use of undefined type 'struct request' 297 | if (!rq->crypt_ctx) { | ^~ block/blk-crypto.c:298:5: error: invalid use of undefined type 'struct request' 298 | rq->crypt_ctx = mempool_alloc(bio_crypt_ctx_pool, gfp_mask); | ^~ block/blk-crypto.c:299:10: error: invalid use of undefined type 'struct request' 299 | if (!rq->crypt_ctx) | ^~ block/blk-crypto.c:302:5: error: invalid use of undefined type 'struct request' 302 | *rq->crypt_ctx = *bio->bi_crypt_context; | ^~ block/blk-crypto.c: In function 'bio_crypt_rq_ctx_compatible': block/blk-crypto.c:187:1: error: control reaches end of non-void function [-Werror=return-type] 187 | } | ^ block/blk-crypto.c: In function '__blk_crypto_init_request': block/blk-crypto.c:223:1: error: control reaches end of non-void function [-Werror=return-type] 223 | } | ^ In file included from include/linux/blkdev.h:7, from block/blk-crypto.c:13: At top level: include/linux/genhd.h:329:12: warning: 'bd_register_pending_holders' defined but not used [-Wunused-function] 329 | static int bd_register_pending_holders(struct gendisk *disk) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors -- In file included from block/blk-crypto-fallback.c:22: block/blk-crypto-internal.h: In function 'bio_crypt_ctx_back_mergeable': 34 | return bio_crypt_ctx_mergeable(req->crypt_ctx, blk_rq_bytes(req), | ^~ 34 | return bio_crypt_ctx_mergeable(req->crypt_ctx, blk_rq_bytes(req), | ^~~~~~~~~~~~ block/blk-crypto-internal.h: In function 'bio_crypt_ctx_front_mergeable': block/blk-crypto-internal.h:42:37: error: invalid use of undefined type 'struct request' 42 | bio->bi_iter.bi_size, req->crypt_ctx); | ^~ block/blk-crypto-internal.h: In function 'bio_crypt_ctx_merge_rq': block/blk-crypto-internal.h:48:36: error: invalid use of undefined type 'struct request' 48 | return bio_crypt_ctx_mergeable(req->crypt_ctx, blk_rq_bytes(req), | ^~ block/blk-crypto-internal.h:49:16: error: invalid use of undefined type 'struct request' 49 | next->crypt_ctx); | ^~ block/blk-crypto-internal.h: In function 'blk_crypto_rq_set_defaults': block/blk-crypto-internal.h:54:4: error: invalid use of undefined type 'struct request' 54 | rq->crypt_ctx = NULL; | ^~ block/blk-crypto-internal.h:55:4: error: invalid use of undefined type 'struct request' 55 | rq->crypt_keyslot = NULL; | ^~ block/blk-crypto-internal.h: In function 'blk_crypto_rq_is_encrypted': block/blk-crypto-internal.h:60:11: error: invalid use of undefined type 'struct request' 60 | return rq->crypt_ctx; | ^~ block/blk-crypto-internal.h: In function 'bio_crypt_do_front_merge': block/blk-crypto-internal.h:117:12: error: invalid use of undefined type 'struct request' 117 | memcpy(rq->crypt_ctx->bc_dun, bio->bi_crypt_context->bc_dun, | ^~ block/blk-crypto-internal.h:118:19: error: invalid use of undefined type 'struct request' 118 | sizeof(rq->crypt_ctx->bc_dun)); | ^~ In file included from include/linux/blkdev.h:7, from include/linux/blk-cgroup.h:23, from block/blk-crypto-fallback.c:13: At top level: include/linux/genhd.h:329:12: warning: 'bd_register_pending_holders' defined but not used [-Wunused-function] 329 | static int bd_register_pending_holders(struct gendisk *disk) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/blk_rq_bytes +34 block/blk-crypto-internal.h a892c8d52c0228 Satya Tangirala 2020-05-14 27 a892c8d52c0228 Satya Tangirala 2020-05-14 28 bool bio_crypt_ctx_mergeable(struct bio_crypt_ctx *bc1, unsigned int bc1_bytes, a892c8d52c0228 Satya Tangirala 2020-05-14 29 struct bio_crypt_ctx *bc2); a892c8d52c0228 Satya Tangirala 2020-05-14 30 a892c8d52c0228 Satya Tangirala 2020-05-14 31 static inline bool bio_crypt_ctx_back_mergeable(struct request *req, a892c8d52c0228 Satya Tangirala 2020-05-14 32 struct bio *bio) a892c8d52c0228 Satya Tangirala 2020-05-14 33 { a892c8d52c0228 Satya Tangirala 2020-05-14 @34 return bio_crypt_ctx_mergeable(req->crypt_ctx, blk_rq_bytes(req), a892c8d52c0228 Satya Tangirala 2020-05-14 35 bio->bi_crypt_context); a892c8d52c0228 Satya Tangirala 2020-05-14 36 } a892c8d52c0228 Satya Tangirala 2020-05-14 37 :::::: The code at line 34 was first introduced by commit :::::: a892c8d52c02284076fbbacae6692aa5c5807d11 block: Inline encryption support for blk-mq :::::: TO: Satya Tangirala <satyat(a)google.com&gt; :::::: CC: Jens Axboe <axboe(a)kernel.dk&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org