From: Dan Carpenter <dan.carpenter@oracle.com>
To: kbuild@lists.01.org
Subject: [kdave-btrfs-devel:dev/raid-policy 77/85] fs/btrfs/inode.c:8052 btrfs_submit_direct() error: uninitialized symbol 'em'.
Date: Thu, 28 Jan 2021 21:48:34 +0300 [thread overview]
Message-ID: <20210128184834.GU20820@kadam> (raw)
[-- Attachment #1: Type: text/plain, Size: 10933 bytes --]
tree: https://github.com/kdave/btrfs-devel.git dev/raid-policy
head: 92ab5dba1e9e01e617039e8450d1491b0806c31c
commit: ab97dc56044d4d8d346e6e294a73f8690d9d3d7b [77/85] btrfs: let callers of btrfs_get_io_geometry pass the em
config: i386-randconfig-m021-20210128 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
New smatch warnings:
fs/btrfs/inode.c:8052 btrfs_submit_direct() error: uninitialized symbol 'em'.
Old smatch warnings:
include/linux/fs.h:861 i_size_write() warn: statement has no effect 31
vim +/em +8052 fs/btrfs/inode.c
f85781fb505ec0 Goldwyn Rodrigues 2020-08-17 7933 static blk_qc_t btrfs_submit_direct(struct inode *inode, struct iomap *iomap,
f85781fb505ec0 Goldwyn Rodrigues 2020-08-17 7934 struct bio *dio_bio, loff_t file_offset)
e65e1535542931 Miao Xie 2010-11-22 7935 {
c36cac28cb94e5 Omar Sandoval 2020-04-16 7936 const bool write = (bio_op(dio_bio) == REQ_OP_WRITE);
0b246afa62b0cf Jeff Mahoney 2016-06-22 7937 struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
769b4f2497bdb3 Omar Sandoval 2020-04-16 7938 const bool raid56 = (btrfs_data_alloc_profile(fs_info) &
769b4f2497bdb3 Omar Sandoval 2020-04-16 7939 BTRFS_BLOCK_GROUP_RAID56_MASK);
c36cac28cb94e5 Omar Sandoval 2020-04-16 7940 struct btrfs_dio_private *dip;
e65e1535542931 Miao Xie 2010-11-22 7941 struct bio *bio;
c36cac28cb94e5 Omar Sandoval 2020-04-16 7942 u64 start_sector;
1ae399382512b3 Josef Bacik 2011-04-06 7943 int async_submit = 0;
725130bac5857a Liu Bo 2017-05-16 7944 u64 submit_len;
725130bac5857a Liu Bo 2017-05-16 7945 int clone_offset = 0;
725130bac5857a Liu Bo 2017-05-16 7946 int clone_len;
ab97dc56044d4d Michal Rostecki 2021-01-27 7947 u64 logical;
5f4dc8fc835bbb Chandan Rajendra 2016-01-21 7948 int ret;
58efbc9f546330 Omar Sandoval 2017-08-22 7949 blk_status_t status;
89b798ad1b42b1 Nikolay Borisov 2019-06-03 7950 struct btrfs_io_geometry geom;
f85781fb505ec0 Goldwyn Rodrigues 2020-08-17 7951 struct btrfs_dio_data *dio_data = iomap->private;
ab97dc56044d4d Michal Rostecki 2021-01-27 7952 struct extent_map *em;
^^^^^^^^^^^^^^^^^^^^^
e65e1535542931 Miao Xie 2010-11-22 7953
c36cac28cb94e5 Omar Sandoval 2020-04-16 7954 dip = btrfs_create_dio_private(dio_bio, inode, file_offset);
c36cac28cb94e5 Omar Sandoval 2020-04-16 7955 if (!dip) {
c36cac28cb94e5 Omar Sandoval 2020-04-16 7956 if (!write) {
c36cac28cb94e5 Omar Sandoval 2020-04-16 7957 unlock_extent(&BTRFS_I(inode)->io_tree, file_offset,
c36cac28cb94e5 Omar Sandoval 2020-04-16 7958 file_offset + dio_bio->bi_iter.bi_size - 1);
c36cac28cb94e5 Omar Sandoval 2020-04-16 7959 }
c36cac28cb94e5 Omar Sandoval 2020-04-16 7960 dio_bio->bi_status = BLK_STS_RESOURCE;
f85781fb505ec0 Goldwyn Rodrigues 2020-08-17 7961 bio_endio(dio_bio);
f85781fb505ec0 Goldwyn Rodrigues 2020-08-17 7962 return BLK_QC_T_NONE;
c36cac28cb94e5 Omar Sandoval 2020-04-16 7963 }
facc8a2247340a Miao Xie 2013-07-25 7964
334c16d82cfe18 Josef Bacik 2020-10-16 7965 if (!write) {
85879573fc8b06 Omar Sandoval 2020-04-16 7966 /*
85879573fc8b06 Omar Sandoval 2020-04-16 7967 * Load the csums up front to reduce csum tree searches and
85879573fc8b06 Omar Sandoval 2020-04-16 7968 * contention when submitting bios.
334c16d82cfe18 Josef Bacik 2020-10-16 7969 *
334c16d82cfe18 Josef Bacik 2020-10-16 7970 * If we have csums disabled this will do nothing.
85879573fc8b06 Omar Sandoval 2020-04-16 7971 */
6275193ef19033 Qu Wenruo 2020-12-02 7972 status = btrfs_lookup_bio_sums(inode, dio_bio, dip->csums);
85879573fc8b06 Omar Sandoval 2020-04-16 7973 if (status != BLK_STS_OK)
85879573fc8b06 Omar Sandoval 2020-04-16 7974 goto out_err;
^^^^^^^^^^^^
02f57c7aedef1a Josef Bacik 2011-04-06 7975 }
02f57c7aedef1a Josef Bacik 2011-04-06 7976
769b4f2497bdb3 Omar Sandoval 2020-04-16 7977 start_sector = dio_bio->bi_iter.bi_sector;
ab97dc56044d4d Michal Rostecki 2021-01-27 7978 logical = start_sector << 9;
769b4f2497bdb3 Omar Sandoval 2020-04-16 7979 submit_len = dio_bio->bi_iter.bi_size;
53b381b3abeb86 David Woodhouse 2013-01-29 7980
3c91ee6964114b Arnd Bergmann 2017-05-18 7981 do {
ab97dc56044d4d Michal Rostecki 2021-01-27 7982 em = btrfs_get_chunk_map(fs_info, logical, submit_len);
ab97dc56044d4d Michal Rostecki 2021-01-27 7983 if (IS_ERR(em)) {
ab97dc56044d4d Michal Rostecki 2021-01-27 7984 status = errno_to_blk_status(PTR_ERR(em));
ab97dc56044d4d Michal Rostecki 2021-01-27 7985 em = NULL;
ab97dc56044d4d Michal Rostecki 2021-01-27 7986 goto out_err;
ab97dc56044d4d Michal Rostecki 2021-01-27 7987 }
ab97dc56044d4d Michal Rostecki 2021-01-27 7988 ret = btrfs_get_io_geometry(fs_info, em, btrfs_op(dio_bio),
ab97dc56044d4d Michal Rostecki 2021-01-27 7989 logical, submit_len, &geom);
769b4f2497bdb3 Omar Sandoval 2020-04-16 7990 if (ret) {
769b4f2497bdb3 Omar Sandoval 2020-04-16 7991 status = errno_to_blk_status(ret);
769b4f2497bdb3 Omar Sandoval 2020-04-16 7992 goto out_err;
02f57c7aedef1a Josef Bacik 2011-04-06 7993 }
89b798ad1b42b1 Nikolay Borisov 2019-06-03 7994 ASSERT(geom.len <= INT_MAX);
769b4f2497bdb3 Omar Sandoval 2020-04-16 7995
89b798ad1b42b1 Nikolay Borisov 2019-06-03 7996 clone_len = min_t(int, submit_len, geom.len);
7a5c3c9be1059f Miao Xie 2014-06-17 7997
725130bac5857a Liu Bo 2017-05-16 7998 /*
725130bac5857a Liu Bo 2017-05-16 7999 * This will never fail as it's passing GPF_NOFS and
725130bac5857a Liu Bo 2017-05-16 8000 * the allocation is backed by btrfs_bioset.
725130bac5857a Liu Bo 2017-05-16 8001 */
769b4f2497bdb3 Omar Sandoval 2020-04-16 8002 bio = btrfs_bio_clone_partial(dio_bio, clone_offset, clone_len);
02f57c7aedef1a Josef Bacik 2011-04-06 8003 bio->bi_private = dip;
02f57c7aedef1a Josef Bacik 2011-04-06 8004 bio->bi_end_io = btrfs_end_dio_bio;
c1dc08967f69c6 Miao Xie 2014-09-12 8005 btrfs_io_bio(bio)->logical = file_offset;
02f57c7aedef1a Josef Bacik 2011-04-06 8006
725130bac5857a Liu Bo 2017-05-16 8007 ASSERT(submit_len >= clone_len);
725130bac5857a Liu Bo 2017-05-16 8008 submit_len -= clone_len;
725130bac5857a Liu Bo 2017-05-16 8009
e65e1535542931 Miao Xie 2010-11-22 8010 /*
725130bac5857a Liu Bo 2017-05-16 8011 * Increase the count before we submit the bio so we know
725130bac5857a Liu Bo 2017-05-16 8012 * the end IO handler won't happen before we increase the
725130bac5857a Liu Bo 2017-05-16 8013 * count. Otherwise, the dip might get freed before we're
725130bac5857a Liu Bo 2017-05-16 8014 * done setting it up.
769b4f2497bdb3 Omar Sandoval 2020-04-16 8015 *
769b4f2497bdb3 Omar Sandoval 2020-04-16 8016 * We transfer the initial reference to the last bio, so we
769b4f2497bdb3 Omar Sandoval 2020-04-16 8017 * don't need to increment the reference count for the last one.
e65e1535542931 Miao Xie 2010-11-22 8018 */
769b4f2497bdb3 Omar Sandoval 2020-04-16 8019 if (submit_len > 0) {
e3b318d14df7d6 Omar Sandoval 2020-04-16 8020 refcount_inc(&dip->refs);
769b4f2497bdb3 Omar Sandoval 2020-04-16 8021 /*
769b4f2497bdb3 Omar Sandoval 2020-04-16 8022 * If we are submitting more than one bio, submit them
769b4f2497bdb3 Omar Sandoval 2020-04-16 8023 * all asynchronously. The exception is RAID 5 or 6, as
769b4f2497bdb3 Omar Sandoval 2020-04-16 8024 * asynchronous checksums make it difficult to collect
769b4f2497bdb3 Omar Sandoval 2020-04-16 8025 * full stripe writes.
e65e1535542931 Miao Xie 2010-11-22 8026 */
769b4f2497bdb3 Omar Sandoval 2020-04-16 8027 if (!raid56)
769b4f2497bdb3 Omar Sandoval 2020-04-16 8028 async_submit = 1;
769b4f2497bdb3 Omar Sandoval 2020-04-16 8029 }
725130bac5857a Liu Bo 2017-05-16 8030
d0ee39349311ce David Sterba 2018-03-08 8031 status = btrfs_submit_dio_bio(bio, inode, file_offset,
c329861da40623 Josef Bacik 2012-08-03 8032 async_submit);
58efbc9f546330 Omar Sandoval 2017-08-22 8033 if (status) {
e65e1535542931 Miao Xie 2010-11-22 8034 bio_put(bio);
769b4f2497bdb3 Omar Sandoval 2020-04-16 8035 if (submit_len > 0)
e3b318d14df7d6 Omar Sandoval 2020-04-16 8036 refcount_dec(&dip->refs);
e65e1535542931 Miao Xie 2010-11-22 8037 goto out_err;
e65e1535542931 Miao Xie 2010-11-22 8038 }
e65e1535542931 Miao Xie 2010-11-22 8039
f85781fb505ec0 Goldwyn Rodrigues 2020-08-17 8040 dio_data->submitted += clone_len;
725130bac5857a Liu Bo 2017-05-16 8041 clone_offset += clone_len;
725130bac5857a Liu Bo 2017-05-16 8042 start_sector += clone_len >> 9;
725130bac5857a Liu Bo 2017-05-16 8043 file_offset += clone_len;
ab97dc56044d4d Michal Rostecki 2021-01-27 8044
ab97dc56044d4d Michal Rostecki 2021-01-27 8045 free_extent_map(em);
3c91ee6964114b Arnd Bergmann 2017-05-18 8046 } while (submit_len > 0);
f85781fb505ec0 Goldwyn Rodrigues 2020-08-17 8047 return BLK_QC_T_NONE;
e65e1535542931 Miao Xie 2010-11-22 8048
e65e1535542931 Miao Xie 2010-11-22 8049 out_err:
769b4f2497bdb3 Omar Sandoval 2020-04-16 8050 dip->dio_bio->bi_status = status;
769b4f2497bdb3 Omar Sandoval 2020-04-16 8051 btrfs_dio_private_put(dip);
ab97dc56044d4d Michal Rostecki 2021-01-27 @8052 free_extent_map(em);
^^^^^^^^^^^^^^^^^^^
ab97dc56044d4d Michal Rostecki 2021-01-27 8053
f85781fb505ec0 Goldwyn Rodrigues 2020-08-17 8054 return BLK_QC_T_NONE;
4b46fce23349bf Josef Bacik 2010-05-23 8055 }
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
_______________________________________________
kbuild mailing list -- kbuild(a)lists.01.org
To unsubscribe send an email to kbuild-leave(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 34410 bytes --]
WARNING: multiple messages have this Message-ID (diff)
From: Dan Carpenter <dan.carpenter@oracle.com>
To: kbuild-all@lists.01.org
Subject: [kbuild] [kdave-btrfs-devel:dev/raid-policy 77/85] fs/btrfs/inode.c:8052 btrfs_submit_direct() error: uninitialized symbol 'em'.
Date: Thu, 28 Jan 2021 21:48:34 +0300 [thread overview]
Message-ID: <20210128184834.GU20820@kadam> (raw)
[-- Attachment #1: Type: text/plain, Size: 10933 bytes --]
tree: https://github.com/kdave/btrfs-devel.git dev/raid-policy
head: 92ab5dba1e9e01e617039e8450d1491b0806c31c
commit: ab97dc56044d4d8d346e6e294a73f8690d9d3d7b [77/85] btrfs: let callers of btrfs_get_io_geometry pass the em
config: i386-randconfig-m021-20210128 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
New smatch warnings:
fs/btrfs/inode.c:8052 btrfs_submit_direct() error: uninitialized symbol 'em'.
Old smatch warnings:
include/linux/fs.h:861 i_size_write() warn: statement has no effect 31
vim +/em +8052 fs/btrfs/inode.c
f85781fb505ec0 Goldwyn Rodrigues 2020-08-17 7933 static blk_qc_t btrfs_submit_direct(struct inode *inode, struct iomap *iomap,
f85781fb505ec0 Goldwyn Rodrigues 2020-08-17 7934 struct bio *dio_bio, loff_t file_offset)
e65e1535542931 Miao Xie 2010-11-22 7935 {
c36cac28cb94e5 Omar Sandoval 2020-04-16 7936 const bool write = (bio_op(dio_bio) == REQ_OP_WRITE);
0b246afa62b0cf Jeff Mahoney 2016-06-22 7937 struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
769b4f2497bdb3 Omar Sandoval 2020-04-16 7938 const bool raid56 = (btrfs_data_alloc_profile(fs_info) &
769b4f2497bdb3 Omar Sandoval 2020-04-16 7939 BTRFS_BLOCK_GROUP_RAID56_MASK);
c36cac28cb94e5 Omar Sandoval 2020-04-16 7940 struct btrfs_dio_private *dip;
e65e1535542931 Miao Xie 2010-11-22 7941 struct bio *bio;
c36cac28cb94e5 Omar Sandoval 2020-04-16 7942 u64 start_sector;
1ae399382512b3 Josef Bacik 2011-04-06 7943 int async_submit = 0;
725130bac5857a Liu Bo 2017-05-16 7944 u64 submit_len;
725130bac5857a Liu Bo 2017-05-16 7945 int clone_offset = 0;
725130bac5857a Liu Bo 2017-05-16 7946 int clone_len;
ab97dc56044d4d Michal Rostecki 2021-01-27 7947 u64 logical;
5f4dc8fc835bbb Chandan Rajendra 2016-01-21 7948 int ret;
58efbc9f546330 Omar Sandoval 2017-08-22 7949 blk_status_t status;
89b798ad1b42b1 Nikolay Borisov 2019-06-03 7950 struct btrfs_io_geometry geom;
f85781fb505ec0 Goldwyn Rodrigues 2020-08-17 7951 struct btrfs_dio_data *dio_data = iomap->private;
ab97dc56044d4d Michal Rostecki 2021-01-27 7952 struct extent_map *em;
^^^^^^^^^^^^^^^^^^^^^
e65e1535542931 Miao Xie 2010-11-22 7953
c36cac28cb94e5 Omar Sandoval 2020-04-16 7954 dip = btrfs_create_dio_private(dio_bio, inode, file_offset);
c36cac28cb94e5 Omar Sandoval 2020-04-16 7955 if (!dip) {
c36cac28cb94e5 Omar Sandoval 2020-04-16 7956 if (!write) {
c36cac28cb94e5 Omar Sandoval 2020-04-16 7957 unlock_extent(&BTRFS_I(inode)->io_tree, file_offset,
c36cac28cb94e5 Omar Sandoval 2020-04-16 7958 file_offset + dio_bio->bi_iter.bi_size - 1);
c36cac28cb94e5 Omar Sandoval 2020-04-16 7959 }
c36cac28cb94e5 Omar Sandoval 2020-04-16 7960 dio_bio->bi_status = BLK_STS_RESOURCE;
f85781fb505ec0 Goldwyn Rodrigues 2020-08-17 7961 bio_endio(dio_bio);
f85781fb505ec0 Goldwyn Rodrigues 2020-08-17 7962 return BLK_QC_T_NONE;
c36cac28cb94e5 Omar Sandoval 2020-04-16 7963 }
facc8a2247340a Miao Xie 2013-07-25 7964
334c16d82cfe18 Josef Bacik 2020-10-16 7965 if (!write) {
85879573fc8b06 Omar Sandoval 2020-04-16 7966 /*
85879573fc8b06 Omar Sandoval 2020-04-16 7967 * Load the csums up front to reduce csum tree searches and
85879573fc8b06 Omar Sandoval 2020-04-16 7968 * contention when submitting bios.
334c16d82cfe18 Josef Bacik 2020-10-16 7969 *
334c16d82cfe18 Josef Bacik 2020-10-16 7970 * If we have csums disabled this will do nothing.
85879573fc8b06 Omar Sandoval 2020-04-16 7971 */
6275193ef19033 Qu Wenruo 2020-12-02 7972 status = btrfs_lookup_bio_sums(inode, dio_bio, dip->csums);
85879573fc8b06 Omar Sandoval 2020-04-16 7973 if (status != BLK_STS_OK)
85879573fc8b06 Omar Sandoval 2020-04-16 7974 goto out_err;
^^^^^^^^^^^^
02f57c7aedef1a Josef Bacik 2011-04-06 7975 }
02f57c7aedef1a Josef Bacik 2011-04-06 7976
769b4f2497bdb3 Omar Sandoval 2020-04-16 7977 start_sector = dio_bio->bi_iter.bi_sector;
ab97dc56044d4d Michal Rostecki 2021-01-27 7978 logical = start_sector << 9;
769b4f2497bdb3 Omar Sandoval 2020-04-16 7979 submit_len = dio_bio->bi_iter.bi_size;
53b381b3abeb86 David Woodhouse 2013-01-29 7980
3c91ee6964114b Arnd Bergmann 2017-05-18 7981 do {
ab97dc56044d4d Michal Rostecki 2021-01-27 7982 em = btrfs_get_chunk_map(fs_info, logical, submit_len);
ab97dc56044d4d Michal Rostecki 2021-01-27 7983 if (IS_ERR(em)) {
ab97dc56044d4d Michal Rostecki 2021-01-27 7984 status = errno_to_blk_status(PTR_ERR(em));
ab97dc56044d4d Michal Rostecki 2021-01-27 7985 em = NULL;
ab97dc56044d4d Michal Rostecki 2021-01-27 7986 goto out_err;
ab97dc56044d4d Michal Rostecki 2021-01-27 7987 }
ab97dc56044d4d Michal Rostecki 2021-01-27 7988 ret = btrfs_get_io_geometry(fs_info, em, btrfs_op(dio_bio),
ab97dc56044d4d Michal Rostecki 2021-01-27 7989 logical, submit_len, &geom);
769b4f2497bdb3 Omar Sandoval 2020-04-16 7990 if (ret) {
769b4f2497bdb3 Omar Sandoval 2020-04-16 7991 status = errno_to_blk_status(ret);
769b4f2497bdb3 Omar Sandoval 2020-04-16 7992 goto out_err;
02f57c7aedef1a Josef Bacik 2011-04-06 7993 }
89b798ad1b42b1 Nikolay Borisov 2019-06-03 7994 ASSERT(geom.len <= INT_MAX);
769b4f2497bdb3 Omar Sandoval 2020-04-16 7995
89b798ad1b42b1 Nikolay Borisov 2019-06-03 7996 clone_len = min_t(int, submit_len, geom.len);
7a5c3c9be1059f Miao Xie 2014-06-17 7997
725130bac5857a Liu Bo 2017-05-16 7998 /*
725130bac5857a Liu Bo 2017-05-16 7999 * This will never fail as it's passing GPF_NOFS and
725130bac5857a Liu Bo 2017-05-16 8000 * the allocation is backed by btrfs_bioset.
725130bac5857a Liu Bo 2017-05-16 8001 */
769b4f2497bdb3 Omar Sandoval 2020-04-16 8002 bio = btrfs_bio_clone_partial(dio_bio, clone_offset, clone_len);
02f57c7aedef1a Josef Bacik 2011-04-06 8003 bio->bi_private = dip;
02f57c7aedef1a Josef Bacik 2011-04-06 8004 bio->bi_end_io = btrfs_end_dio_bio;
c1dc08967f69c6 Miao Xie 2014-09-12 8005 btrfs_io_bio(bio)->logical = file_offset;
02f57c7aedef1a Josef Bacik 2011-04-06 8006
725130bac5857a Liu Bo 2017-05-16 8007 ASSERT(submit_len >= clone_len);
725130bac5857a Liu Bo 2017-05-16 8008 submit_len -= clone_len;
725130bac5857a Liu Bo 2017-05-16 8009
e65e1535542931 Miao Xie 2010-11-22 8010 /*
725130bac5857a Liu Bo 2017-05-16 8011 * Increase the count before we submit the bio so we know
725130bac5857a Liu Bo 2017-05-16 8012 * the end IO handler won't happen before we increase the
725130bac5857a Liu Bo 2017-05-16 8013 * count. Otherwise, the dip might get freed before we're
725130bac5857a Liu Bo 2017-05-16 8014 * done setting it up.
769b4f2497bdb3 Omar Sandoval 2020-04-16 8015 *
769b4f2497bdb3 Omar Sandoval 2020-04-16 8016 * We transfer the initial reference to the last bio, so we
769b4f2497bdb3 Omar Sandoval 2020-04-16 8017 * don't need to increment the reference count for the last one.
e65e1535542931 Miao Xie 2010-11-22 8018 */
769b4f2497bdb3 Omar Sandoval 2020-04-16 8019 if (submit_len > 0) {
e3b318d14df7d6 Omar Sandoval 2020-04-16 8020 refcount_inc(&dip->refs);
769b4f2497bdb3 Omar Sandoval 2020-04-16 8021 /*
769b4f2497bdb3 Omar Sandoval 2020-04-16 8022 * If we are submitting more than one bio, submit them
769b4f2497bdb3 Omar Sandoval 2020-04-16 8023 * all asynchronously. The exception is RAID 5 or 6, as
769b4f2497bdb3 Omar Sandoval 2020-04-16 8024 * asynchronous checksums make it difficult to collect
769b4f2497bdb3 Omar Sandoval 2020-04-16 8025 * full stripe writes.
e65e1535542931 Miao Xie 2010-11-22 8026 */
769b4f2497bdb3 Omar Sandoval 2020-04-16 8027 if (!raid56)
769b4f2497bdb3 Omar Sandoval 2020-04-16 8028 async_submit = 1;
769b4f2497bdb3 Omar Sandoval 2020-04-16 8029 }
725130bac5857a Liu Bo 2017-05-16 8030
d0ee39349311ce David Sterba 2018-03-08 8031 status = btrfs_submit_dio_bio(bio, inode, file_offset,
c329861da40623 Josef Bacik 2012-08-03 8032 async_submit);
58efbc9f546330 Omar Sandoval 2017-08-22 8033 if (status) {
e65e1535542931 Miao Xie 2010-11-22 8034 bio_put(bio);
769b4f2497bdb3 Omar Sandoval 2020-04-16 8035 if (submit_len > 0)
e3b318d14df7d6 Omar Sandoval 2020-04-16 8036 refcount_dec(&dip->refs);
e65e1535542931 Miao Xie 2010-11-22 8037 goto out_err;
e65e1535542931 Miao Xie 2010-11-22 8038 }
e65e1535542931 Miao Xie 2010-11-22 8039
f85781fb505ec0 Goldwyn Rodrigues 2020-08-17 8040 dio_data->submitted += clone_len;
725130bac5857a Liu Bo 2017-05-16 8041 clone_offset += clone_len;
725130bac5857a Liu Bo 2017-05-16 8042 start_sector += clone_len >> 9;
725130bac5857a Liu Bo 2017-05-16 8043 file_offset += clone_len;
ab97dc56044d4d Michal Rostecki 2021-01-27 8044
ab97dc56044d4d Michal Rostecki 2021-01-27 8045 free_extent_map(em);
3c91ee6964114b Arnd Bergmann 2017-05-18 8046 } while (submit_len > 0);
f85781fb505ec0 Goldwyn Rodrigues 2020-08-17 8047 return BLK_QC_T_NONE;
e65e1535542931 Miao Xie 2010-11-22 8048
e65e1535542931 Miao Xie 2010-11-22 8049 out_err:
769b4f2497bdb3 Omar Sandoval 2020-04-16 8050 dip->dio_bio->bi_status = status;
769b4f2497bdb3 Omar Sandoval 2020-04-16 8051 btrfs_dio_private_put(dip);
ab97dc56044d4d Michal Rostecki 2021-01-27 @8052 free_extent_map(em);
^^^^^^^^^^^^^^^^^^^
ab97dc56044d4d Michal Rostecki 2021-01-27 8053
f85781fb505ec0 Goldwyn Rodrigues 2020-08-17 8054 return BLK_QC_T_NONE;
4b46fce23349bf Josef Bacik 2010-05-23 8055 }
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
_______________________________________________
kbuild mailing list -- kbuild(a)lists.01.org
To unsubscribe send an email to kbuild-leave(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 34410 bytes --]
next reply other threads:[~2021-01-28 18:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-28 18:48 Dan Carpenter [this message]
2021-01-28 18:48 ` [kbuild] [kdave-btrfs-devel:dev/raid-policy 77/85] fs/btrfs/inode.c:8052 btrfs_submit_direct() error: uninitialized symbol 'em' Dan Carpenter
-- strict thread matches above, loose matches on Subject: below --
2021-01-28 16:44 kernel test robot
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210128184834.GU20820@kadam \
--to=dan.carpenter@oracle.com \
--cc=kbuild@lists.01.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.