[ebiggers:testing 7/7] fs/iomap/direct-io.c:318:6: error: 'struct bio' has no member named 'bi_write_hint'
From: kernel test robot
Date: Tue Mar 08 2022 - 01:57:22 EST
tree: https://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux.git testing
head: 236f1f551e0af2da4cbfe428d92361244534b1f3
commit: 236f1f551e0af2da4cbfe428d92361244534b1f3 [7/7] Merge remote-tracking branch 'fscrypt/master' into testing
config: um-x86_64_defconfig (https://download.01.org/0day-ci/archive/20220308/202203081440.duJrxm0u-lkp@xxxxxxxxx/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux.git/commit/?id=236f1f551e0af2da4cbfe428d92361244534b1f3
git remote add ebiggers https://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux.git
git fetch --no-tags ebiggers testing
git checkout 236f1f551e0af2da4cbfe428d92361244534b1f3
# save the config file 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/iomap/direct-io.c: In function 'iomap_dio_bio_iter':
>> fs/iomap/direct-io.c:318:6: error: 'struct bio' has no member named 'bi_write_hint'
318 | bio->bi_write_hint = dio->iocb->ki_hint;
| ^~
vim +318 fs/iomap/direct-io.c
c3b0e880bbfafa Naohiro Aota 2021-02-04 227
a6d3d49587d10d Christoph Hellwig 2021-08-10 228 static loff_t iomap_dio_bio_iter(const struct iomap_iter *iter,
a6d3d49587d10d Christoph Hellwig 2021-08-10 229 struct iomap_dio *dio)
db074436f42196 Darrick J. Wong 2019-07-15 230 {
a6d3d49587d10d Christoph Hellwig 2021-08-10 231 const struct iomap *iomap = &iter->iomap;
a6d3d49587d10d Christoph Hellwig 2021-08-10 232 struct inode *inode = iter->inode;
db074436f42196 Darrick J. Wong 2019-07-15 233 unsigned int blkbits = blksize_bits(bdev_logical_block_size(iomap->bdev));
db074436f42196 Darrick J. Wong 2019-07-15 234 unsigned int fs_block_size = i_blocksize(inode), pad;
db074436f42196 Darrick J. Wong 2019-07-15 235 unsigned int align = iov_iter_alignment(dio->submit.iter);
a6d3d49587d10d Christoph Hellwig 2021-08-10 236 loff_t length = iomap_length(iter);
a6d3d49587d10d Christoph Hellwig 2021-08-10 237 loff_t pos = iter->pos;
c3b0e880bbfafa Naohiro Aota 2021-02-04 238 unsigned int bio_opf;
db074436f42196 Darrick J. Wong 2019-07-15 239 struct bio *bio;
db074436f42196 Darrick J. Wong 2019-07-15 240 bool need_zeroout = false;
db074436f42196 Darrick J. Wong 2019-07-15 241 bool use_fua = false;
db074436f42196 Darrick J. Wong 2019-07-15 242 int nr_pages, ret = 0;
db074436f42196 Darrick J. Wong 2019-07-15 243 size_t copied = 0;
f550ee9b85fd47 Jan Kara 2019-11-26 244 size_t orig_count;
db074436f42196 Darrick J. Wong 2019-07-15 245
db074436f42196 Darrick J. Wong 2019-07-15 246 if ((pos | length | align) & ((1 << blkbits) - 1))
db074436f42196 Darrick J. Wong 2019-07-15 247 return -EINVAL;
db074436f42196 Darrick J. Wong 2019-07-15 248
db074436f42196 Darrick J. Wong 2019-07-15 249 if (iomap->type == IOMAP_UNWRITTEN) {
db074436f42196 Darrick J. Wong 2019-07-15 250 dio->flags |= IOMAP_DIO_UNWRITTEN;
db074436f42196 Darrick J. Wong 2019-07-15 251 need_zeroout = true;
db074436f42196 Darrick J. Wong 2019-07-15 252 }
db074436f42196 Darrick J. Wong 2019-07-15 253
db074436f42196 Darrick J. Wong 2019-07-15 254 if (iomap->flags & IOMAP_F_SHARED)
db074436f42196 Darrick J. Wong 2019-07-15 255 dio->flags |= IOMAP_DIO_COW;
db074436f42196 Darrick J. Wong 2019-07-15 256
db074436f42196 Darrick J. Wong 2019-07-15 257 if (iomap->flags & IOMAP_F_NEW) {
db074436f42196 Darrick J. Wong 2019-07-15 258 need_zeroout = true;
db074436f42196 Darrick J. Wong 2019-07-15 259 } else if (iomap->type == IOMAP_MAPPED) {
db074436f42196 Darrick J. Wong 2019-07-15 260 /*
db074436f42196 Darrick J. Wong 2019-07-15 261 * Use a FUA write if we need datasync semantics, this is a pure
db074436f42196 Darrick J. Wong 2019-07-15 262 * data IO that doesn't require any metadata updates (including
db074436f42196 Darrick J. Wong 2019-07-15 263 * after IO completion such as unwritten extent conversion) and
db074436f42196 Darrick J. Wong 2019-07-15 264 * the underlying device supports FUA. This allows us to avoid
db074436f42196 Darrick J. Wong 2019-07-15 265 * cache flushes on IO completion.
db074436f42196 Darrick J. Wong 2019-07-15 266 */
db074436f42196 Darrick J. Wong 2019-07-15 267 if (!(iomap->flags & (IOMAP_F_SHARED|IOMAP_F_DIRTY)) &&
db074436f42196 Darrick J. Wong 2019-07-15 268 (dio->flags & IOMAP_DIO_WRITE_FUA) &&
db074436f42196 Darrick J. Wong 2019-07-15 269 blk_queue_fua(bdev_get_queue(iomap->bdev)))
db074436f42196 Darrick J. Wong 2019-07-15 270 use_fua = true;
db074436f42196 Darrick J. Wong 2019-07-15 271 }
db074436f42196 Darrick J. Wong 2019-07-15 272
db074436f42196 Darrick J. Wong 2019-07-15 273 /*
f550ee9b85fd47 Jan Kara 2019-11-26 274 * Save the original count and trim the iter to just the extent we
f550ee9b85fd47 Jan Kara 2019-11-26 275 * are operating on right now. The iter will be re-expanded once
f550ee9b85fd47 Jan Kara 2019-11-26 276 * we are done.
db074436f42196 Darrick J. Wong 2019-07-15 277 */
f550ee9b85fd47 Jan Kara 2019-11-26 278 orig_count = iov_iter_count(dio->submit.iter);
f550ee9b85fd47 Jan Kara 2019-11-26 279 iov_iter_truncate(dio->submit.iter, length);
db074436f42196 Darrick J. Wong 2019-07-15 280
3e1a88ec962592 Pavel Begunkov 2021-01-09 281 if (!iov_iter_count(dio->submit.iter))
f550ee9b85fd47 Jan Kara 2019-11-26 282 goto out;
db074436f42196 Darrick J. Wong 2019-07-15 283
f79d474905fec0 Christoph Hellwig 2021-10-12 284 /*
f79d474905fec0 Christoph Hellwig 2021-10-12 285 * We can only poll for single bio I/Os.
f79d474905fec0 Christoph Hellwig 2021-10-12 286 */
f79d474905fec0 Christoph Hellwig 2021-10-12 287 if (need_zeroout ||
f79d474905fec0 Christoph Hellwig 2021-10-12 288 ((dio->flags & IOMAP_DIO_WRITE) && pos >= i_size_read(inode)))
f79d474905fec0 Christoph Hellwig 2021-10-12 289 dio->iocb->ki_flags &= ~IOCB_HIPRI;
f79d474905fec0 Christoph Hellwig 2021-10-12 290
db074436f42196 Darrick J. Wong 2019-07-15 291 if (need_zeroout) {
db074436f42196 Darrick J. Wong 2019-07-15 292 /* zero out from the start of the block to the write offset */
db074436f42196 Darrick J. Wong 2019-07-15 293 pad = pos & (fs_block_size - 1);
db074436f42196 Darrick J. Wong 2019-07-15 294 if (pad)
a6d3d49587d10d Christoph Hellwig 2021-08-10 295 iomap_dio_zero(iter, dio, pos - pad, pad);
db074436f42196 Darrick J. Wong 2019-07-15 296 }
db074436f42196 Darrick J. Wong 2019-07-15 297
c3b0e880bbfafa Naohiro Aota 2021-02-04 298 /*
c3b0e880bbfafa Naohiro Aota 2021-02-04 299 * Set the operation flags early so that bio_iov_iter_get_pages
c3b0e880bbfafa Naohiro Aota 2021-02-04 300 * can set up the page vector appropriately for a ZONE_APPEND
c3b0e880bbfafa Naohiro Aota 2021-02-04 301 * operation.
c3b0e880bbfafa Naohiro Aota 2021-02-04 302 */
c3b0e880bbfafa Naohiro Aota 2021-02-04 303 bio_opf = iomap_dio_bio_opflags(dio, iomap, use_fua);
c3b0e880bbfafa Naohiro Aota 2021-02-04 304
a8affc03a9b375 Christoph Hellwig 2021-03-11 305 nr_pages = bio_iov_vecs_to_alloc(dio->submit.iter, BIO_MAX_VECS);
db074436f42196 Darrick J. Wong 2019-07-15 306 do {
db074436f42196 Darrick J. Wong 2019-07-15 307 size_t n;
db074436f42196 Darrick J. Wong 2019-07-15 308 if (dio->error) {
db074436f42196 Darrick J. Wong 2019-07-15 309 iov_iter_revert(dio->submit.iter, copied);
f550ee9b85fd47 Jan Kara 2019-11-26 310 copied = ret = 0;
f550ee9b85fd47 Jan Kara 2019-11-26 311 goto out;
db074436f42196 Darrick J. Wong 2019-07-15 312 }
db074436f42196 Darrick J. Wong 2019-07-15 313
07888c665b405b Christoph Hellwig 2022-01-24 314 bio = bio_alloc(iomap->bdev, nr_pages, bio_opf, GFP_KERNEL);
489734ef94f4f7 Eric Biggers 2022-01-28 315 fscrypt_set_bio_crypt_ctx(bio, inode, pos >> inode->i_blkbits,
489734ef94f4f7 Eric Biggers 2022-01-28 316 GFP_KERNEL);
db074436f42196 Darrick J. Wong 2019-07-15 317 bio->bi_iter.bi_sector = iomap_sector(iomap, pos);
db074436f42196 Darrick J. Wong 2019-07-15 @318 bio->bi_write_hint = dio->iocb->ki_hint;
db074436f42196 Darrick J. Wong 2019-07-15 319 bio->bi_ioprio = dio->iocb->ki_ioprio;
db074436f42196 Darrick J. Wong 2019-07-15 320 bio->bi_private = dio;
db074436f42196 Darrick J. Wong 2019-07-15 321 bio->bi_end_io = iomap_dio_bio_end_io;
db074436f42196 Darrick J. Wong 2019-07-15 322
f550ee9b85fd47 Jan Kara 2019-11-26 323 ret = bio_iov_iter_get_pages(bio, dio->submit.iter);
db074436f42196 Darrick J. Wong 2019-07-15 324 if (unlikely(ret)) {
db074436f42196 Darrick J. Wong 2019-07-15 325 /*
db074436f42196 Darrick J. Wong 2019-07-15 326 * We have to stop part way through an IO. We must fall
db074436f42196 Darrick J. Wong 2019-07-15 327 * through to the sub-block tail zeroing here, otherwise
db074436f42196 Darrick J. Wong 2019-07-15 328 * this short IO may expose stale data in the tail of
db074436f42196 Darrick J. Wong 2019-07-15 329 * the block we haven't written data to.
db074436f42196 Darrick J. Wong 2019-07-15 330 */
db074436f42196 Darrick J. Wong 2019-07-15 331 bio_put(bio);
db074436f42196 Darrick J. Wong 2019-07-15 332 goto zero_tail;
db074436f42196 Darrick J. Wong 2019-07-15 333 }
db074436f42196 Darrick J. Wong 2019-07-15 334
db074436f42196 Darrick J. Wong 2019-07-15 335 n = bio->bi_iter.bi_size;
db074436f42196 Darrick J. Wong 2019-07-15 336 if (dio->flags & IOMAP_DIO_WRITE) {
db074436f42196 Darrick J. Wong 2019-07-15 337 task_io_account_write(n);
db074436f42196 Darrick J. Wong 2019-07-15 338 } else {
db074436f42196 Darrick J. Wong 2019-07-15 339 if (dio->flags & IOMAP_DIO_DIRTY)
db074436f42196 Darrick J. Wong 2019-07-15 340 bio_set_pages_dirty(bio);
db074436f42196 Darrick J. Wong 2019-07-15 341 }
db074436f42196 Darrick J. Wong 2019-07-15 342
db074436f42196 Darrick J. Wong 2019-07-15 343 dio->size += n;
db074436f42196 Darrick J. Wong 2019-07-15 344 copied += n;
db074436f42196 Darrick J. Wong 2019-07-15 345
3e1a88ec962592 Pavel Begunkov 2021-01-09 346 nr_pages = bio_iov_vecs_to_alloc(dio->submit.iter,
a8affc03a9b375 Christoph Hellwig 2021-03-11 347 BIO_MAX_VECS);
f79d474905fec0 Christoph Hellwig 2021-10-12 348 /*
f79d474905fec0 Christoph Hellwig 2021-10-12 349 * We can only poll for single bio I/Os.
f79d474905fec0 Christoph Hellwig 2021-10-12 350 */
f79d474905fec0 Christoph Hellwig 2021-10-12 351 if (nr_pages)
f79d474905fec0 Christoph Hellwig 2021-10-12 352 dio->iocb->ki_flags &= ~IOCB_HIPRI;
a6d3d49587d10d Christoph Hellwig 2021-08-10 353 iomap_dio_submit_bio(iter, dio, bio, pos);
8cecd0ba854799 Goldwyn Rodrigues 2019-05-14 354 pos += n;
db074436f42196 Darrick J. Wong 2019-07-15 355 } while (nr_pages);
db074436f42196 Darrick J. Wong 2019-07-15 356
db074436f42196 Darrick J. Wong 2019-07-15 357 /*
db074436f42196 Darrick J. Wong 2019-07-15 358 * We need to zeroout the tail of a sub-block write if the extent type
db074436f42196 Darrick J. Wong 2019-07-15 359 * requires zeroing or the write extends beyond EOF. If we don't zero
db074436f42196 Darrick J. Wong 2019-07-15 360 * the block tail in the latter case, we can expose stale data via mmap
db074436f42196 Darrick J. Wong 2019-07-15 361 * reads of the EOF block.
db074436f42196 Darrick J. Wong 2019-07-15 362 */
db074436f42196 Darrick J. Wong 2019-07-15 363 zero_tail:
db074436f42196 Darrick J. Wong 2019-07-15 364 if (need_zeroout ||
db074436f42196 Darrick J. Wong 2019-07-15 365 ((dio->flags & IOMAP_DIO_WRITE) && pos >= i_size_read(inode))) {
db074436f42196 Darrick J. Wong 2019-07-15 366 /* zero out from the end of the write to the end of the block */
db074436f42196 Darrick J. Wong 2019-07-15 367 pad = pos & (fs_block_size - 1);
db074436f42196 Darrick J. Wong 2019-07-15 368 if (pad)
a6d3d49587d10d Christoph Hellwig 2021-08-10 369 iomap_dio_zero(iter, dio, pos, fs_block_size - pad);
db074436f42196 Darrick J. Wong 2019-07-15 370 }
f550ee9b85fd47 Jan Kara 2019-11-26 371 out:
f550ee9b85fd47 Jan Kara 2019-11-26 372 /* Undo iter limitation to current extent */
f550ee9b85fd47 Jan Kara 2019-11-26 373 iov_iter_reexpand(dio->submit.iter, orig_count - copied);
e9f930ac88a893 Jan Stancek 2019-11-11 374 if (copied)
e9f930ac88a893 Jan Stancek 2019-11-11 375 return copied;
e9f930ac88a893 Jan Stancek 2019-11-11 376 return ret;
db074436f42196 Darrick J. Wong 2019-07-15 377 }
db074436f42196 Darrick J. Wong 2019-07-15 378
:::::: The code at line 318 was first introduced by commit
:::::: db074436f421967f4f30cfbb6fbc2a728f3e62b3 iomap: move the direct IO code into a separate file
:::::: TO: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
:::::: CC: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx