8:36 p.m.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git
io_uring-bio-cache
head: 02a7d585f8ec89e3022de62157180affb4aca7e3
commit: 12d0247e65530b9e4f601e97016e7c284cb537fc [5/8] io_uring: wire up bio allocation
cache
config: x86_64-randconfig-s021-20210318 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.3-277-gc089cd2d-dirty
#
https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git/com...
git remote add block
https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git
git fetch --no-tags block io_uring-bio-cache
git checkout 12d0247e65530b9e4f601e97016e7c284cb537fc
# save the attached .config to linux build tree
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>):
fs/io_uring.c: In function 'io_ring_ctx_alloc':
> fs/io_uring.c:1178:47: error: 'struct io_comp_state' has
no member named 'bio_cache'
1178 |
bio_alloc_cache_init(&ctx->submit_state.comp.bio_cache);
| ^
fs/io_uring.c: In function 'io_prep_rw':
fs/io_uring.c:2794:48: error: 'struct io_comp_state' has no member named
'bio_cache'
2794 | kiocb->ki_bi_cache = &ctx->submit_state.comp.bio_cache;
| ^
fs/io_uring.c: In function 'io_req_caches_free':
fs/io_uring.c:8464:30: error: 'struct io_comp_state' has no member named
'bio_cache'
8464 | bio_alloc_cache_destroy(&cs->bio_cache);
| ^~
vim +1178 fs/io_uring.c
1125
1126 static struct io_ring_ctx *io_ring_ctx_alloc(struct io_uring_params *p)
1127 {
1128 struct io_ring_ctx *ctx;
1129 int hash_bits;
1130
1131 ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
1132 if (!ctx)
1133 return NULL;
1134
1135 /*
1136 * Use 5 bits less than the max cq entries, that should give us around
1137 * 32 entries per hash list if totally full and uniformly spread.
1138 */
1139 hash_bits = ilog2(p->cq_entries);
1140 hash_bits -= 5;
1141 if (hash_bits <= 0)
1142 hash_bits = 1;
1143 ctx->cancel_hash_bits = hash_bits;
1144 ctx->cancel_hash = kmalloc((1U << hash_bits) * sizeof(struct
hlist_head),
1145 GFP_KERNEL);
1146 if (!ctx->cancel_hash)
1147 goto err;
1148 __hash_init(ctx->cancel_hash, 1U << hash_bits);
1149
1150 if (percpu_ref_init(&ctx->refs, io_ring_ctx_ref_free,
1151 PERCPU_REF_ALLOW_REINIT, GFP_KERNEL))
1152 goto err;
1153
1154 ctx->flags = p->flags;
1155 init_waitqueue_head(&ctx->sqo_sq_wait);
1156 INIT_LIST_HEAD(&ctx->sqd_list);
1157 init_waitqueue_head(&ctx->cq_wait);
1158 INIT_LIST_HEAD(&ctx->cq_overflow_list);
1159 init_completion(&ctx->ref_comp);
1160 xa_init_flags(&ctx->io_buffers, XA_FLAGS_ALLOC1);
1161 xa_init_flags(&ctx->personalities, XA_FLAGS_ALLOC1);
1162 mutex_init(&ctx->uring_lock);
1163 init_waitqueue_head(&ctx->wait);
1164 spin_lock_init(&ctx->completion_lock);
1165 INIT_LIST_HEAD(&ctx->iopoll_list);
1166 INIT_LIST_HEAD(&ctx->defer_list);
1167 INIT_LIST_HEAD(&ctx->timeout_list);
1168 spin_lock_init(&ctx->inflight_lock);
1169 INIT_LIST_HEAD(&ctx->inflight_list);
1170 spin_lock_init(&ctx->rsrc_ref_lock);
1171 INIT_LIST_HEAD(&ctx->rsrc_ref_list);
1172 INIT_DELAYED_WORK(&ctx->rsrc_put_work, io_rsrc_put_work);
1173 init_llist_head(&ctx->rsrc_put_llist);
1174 INIT_LIST_HEAD(&ctx->tctx_list);
1175 INIT_LIST_HEAD(&ctx->submit_state.comp.free_list);
1176 INIT_LIST_HEAD(&ctx->submit_state.comp.locked_free_list);
1177 if (IS_ENABLED(CONFIG_BLOCK))
1178 bio_alloc_cache_init(&ctx->submit_state.comp.bio_cache);
1179 return ctx;
1180 err:
1181 kfree(ctx->cancel_hash);
1182 kfree(ctx);
1183 return NULL;
1184 }
1185
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org