From: kernel test robot <lkp@intel.com>
To: Anuj Gupta <anuj20.g@samsung.com>, Jens Axboe <axboe@kernel.dk>,
Alasdair Kergon <agk@redhat.com>,
Mike Snitzer <snitzer@kernel.org>,
dm-devel@redhat.com, Keith Busch <kbusch@kernel.org>,
Christoph Hellwig <hch@lst.de>, Sagi Grimberg <sagi@grimberg.me>,
James Smart <james.smart@broadcom.com>,
Chaitanya Kulkarni <kch@nvidia.com>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Christian Brauner <brauner@kernel.org>
Cc: bvanassche@acm.org, joshi.k@samsung.com,
Nitesh Shetty <nj.shetty@samsung.com>,
gost.dev@samsung.com, anuj20.g@samsung.com,
linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org,
ming.lei@redhat.com, linux-block@vger.kernel.org,
oe-kbuild-all@lists.linux.dev, linux-fsdevel@vger.kernel.org,
damien.lemoal@opensource.wdc.com, nitheshshetty@gmail.com
Subject: Re: [dm-devel] [PATCH v8 4/9] fs, block: copy_file_range for def_blk_ops for direct block device.
Date: Wed, 29 Mar 2023 23:30:26 +0800 [thread overview]
Message-ID: <202303292349.ED70Fxdw-lkp@intel.com> (raw)
In-Reply-To: <20230327084103.21601-5-anuj20.g@samsung.com>
Hi Anuj,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on axboe-block/for-next]
[also build test ERROR on device-mapper-dm/for-next linus/master v6.3-rc4 next-20230329]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Anuj-Gupta/block-Add-copy-offload-support-infrastructure/20230329-162018
base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next
patch link: https://lore.kernel.org/r/20230327084103.21601-5-anuj20.g%40samsung.com
patch subject: [PATCH v8 4/9] fs, block: copy_file_range for def_blk_ops for direct block device.
config: x86_64-randconfig-a013 (https://download.01.org/0day-ci/archive/20230329/202303292349.ED70Fxdw-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce (this is a W=1 build):
# https://github.com/intel-lab-lkp/linux/commit/61819d260936954ddd6688548f074e7063dcf39e
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Anuj-Gupta/block-Add-copy-offload-support-infrastructure/20230329-162018
git checkout 61819d260936954ddd6688548f074e7063dcf39e
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=x86_64 olddefconfig
make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303292349.ED70Fxdw-lkp@intel.com/
All errors (new ones prefixed by >>):
ld: vmlinux.o: in function `generic_copy_file_checks':
>> fs/read_write.c:1453: undefined reference to `I_BDEV'
vim +1453 fs/read_write.c
1398
1399 /*
1400 * Performs necessary checks before doing a file copy
1401 *
1402 * Can adjust amount of bytes to copy via @req_count argument.
1403 * Returns appropriate error code that caller should return or
1404 * zero in case the copy should be allowed.
1405 */
1406 static int generic_copy_file_checks(struct file *file_in, loff_t pos_in,
1407 struct file *file_out, loff_t pos_out,
1408 size_t *req_count, unsigned int flags)
1409 {
1410 struct inode *inode_in = file_inode(file_in);
1411 struct inode *inode_out = file_inode(file_out);
1412 uint64_t count = *req_count;
1413 loff_t size_in;
1414 int ret;
1415
1416 ret = generic_file_rw_checks(file_in, file_out);
1417 if (ret)
1418 return ret;
1419
1420 /*
1421 * We allow some filesystems to handle cross sb copy, but passing
1422 * a file of the wrong filesystem type to filesystem driver can result
1423 * in an attempt to dereference the wrong type of ->private_data, so
1424 * avoid doing that until we really have a good reason.
1425 *
1426 * nfs and cifs define several different file_system_type structures
1427 * and several different sets of file_operations, but they all end up
1428 * using the same ->copy_file_range() function pointer.
1429 */
1430 if (flags & COPY_FILE_SPLICE) {
1431 /* cross sb splice is allowed */
1432 } else if (file_out->f_op->copy_file_range) {
1433 if (file_in->f_op->copy_file_range !=
1434 file_out->f_op->copy_file_range)
1435 return -EXDEV;
1436 } else if (file_inode(file_in)->i_sb != file_inode(file_out)->i_sb) {
1437 return -EXDEV;
1438 }
1439
1440 /* Don't touch certain kinds of inodes */
1441 if (IS_IMMUTABLE(inode_out))
1442 return -EPERM;
1443
1444 if (IS_SWAPFILE(inode_in) || IS_SWAPFILE(inode_out))
1445 return -ETXTBSY;
1446
1447 /* Ensure offsets don't wrap. */
1448 if (pos_in + count < pos_in || pos_out + count < pos_out)
1449 return -EOVERFLOW;
1450
1451 /* Shorten the copy to EOF */
1452 if (S_ISBLK(inode_in->i_mode))
> 1453 size_in = bdev_nr_bytes(I_BDEV(file_in->f_mapping->host));
1454 else
1455 size_in = i_size_read(inode_in);
1456
1457 if (pos_in >= size_in)
1458 count = 0;
1459 else
1460 count = min(count, size_in - (uint64_t)pos_in);
1461
1462 ret = generic_write_check_limits(file_out, pos_out, &count);
1463 if (ret)
1464 return ret;
1465
1466 /* Don't allow overlapped copying within the same file. */
1467 if (inode_in == inode_out &&
1468 pos_out + count > pos_in &&
1469 pos_out < pos_in + count)
1470 return -EINVAL;
1471
1472 *req_count = count;
1473 return 0;
1474 }
1475
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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next prev parent reply other threads:[~2023-03-29 15:36 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20230327084154epcas5p2a1d8ee728610929fbba8c7757ad3193e@epcas5p2.samsung.com>
2023-03-27 8:40 ` [dm-devel] [PATCH v8 0/9] Implement copy offload support Anuj Gupta
[not found] ` <CGME20230327084216epcas5p3945507ecd94688c40c29195127ddc54d@epcas5p3.samsung.com>
2023-03-27 8:40 ` [dm-devel] [PATCH v8 1/9] block: Introduce queue limits for copy-offload support Anuj Gupta
2023-03-29 8:40 ` Damien Le Moal
2023-03-29 10:41 ` Nitesh Shetty
2023-03-29 12:24 ` Damien Le Moal
2023-03-29 12:34 ` Nitesh Shetty
[not found] ` <CGME20230327084226epcas5p28e667b25cbb5e4b0e884aa2ca89cbfff@epcas5p2.samsung.com>
2023-03-27 8:40 ` [dm-devel] [PATCH v8 2/9] block: Add copy offload support infrastructure Anuj Gupta
2023-03-29 8:56 ` Damien Le Moal
[not found] ` <CGME20230327084235epcas5p495559f907ce39184da72a412c5691e43@epcas5p4.samsung.com>
2023-03-27 8:40 ` [dm-devel] [PATCH v8 3/9] block: add emulation for copy Anuj Gupta
[not found] ` <CGME20230327084244epcas5p1b0ede867e558ff6faf258de3656a8aa4@epcas5p1.samsung.com>
2023-03-27 8:40 ` [dm-devel] [PATCH v8 4/9] fs, block: copy_file_range for def_blk_ops for direct block device Anuj Gupta
2023-03-29 12:14 ` Christian Brauner
2023-03-29 12:42 ` Nitesh Shetty
2023-03-30 5:48 ` Christian Brauner
2023-03-30 15:21 ` Nitesh Shetty
2023-03-29 14:07 ` kernel test robot
2023-03-29 15:30 ` kernel test robot [this message]
[not found] ` <CGME20230327084254epcas5p4c5f324c1501062f743895273c302c0a4@epcas5p4.samsung.com>
2023-03-27 8:40 ` [dm-devel] [PATCH v8 5/9] nvme: add copy offload support Anuj Gupta
[not found] ` <CGME20230327084303epcas5p22fdd3af683d3eb1b3f503bcf045f578a@epcas5p2.samsung.com>
2023-03-27 8:40 ` [dm-devel] [PATCH v8 6/9] nvmet: add copy command support for bdev and file ns Anuj Gupta
2023-03-29 13:56 ` kernel test robot
2023-03-29 18:36 ` kernel test robot
[not found] ` <CGME20230327084312epcas5p377810b172aa6048519591518f8c308d0@epcas5p3.samsung.com>
2023-03-27 8:40 ` [dm-devel] [PATCH v8 7/9] dm: Add support for copy offload Anuj Gupta
2023-03-29 8:59 ` Damien Le Moal
2023-03-29 12:12 ` Nitesh Shetty
[not found] ` <CGME20230327084322epcas5p12f01e676e47d3c8ba880f3f5d58999b4@epcas5p1.samsung.com>
2023-03-27 8:40 ` [dm-devel] [PATCH v8 8/9] dm: Enable copy offload for dm-linear target Anuj Gupta
[not found] ` <CGME20230327084331epcas5p2510ed79d04fe3432c2ec84ce528745c6@epcas5p2.samsung.com>
2023-03-27 8:40 ` [dm-devel] [PATCH v8 9/9] null_blk: add support for copy offload Anuj Gupta
2023-03-29 9:04 ` Damien Le Moal
2023-03-29 12:22 ` Nitesh Shetty
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