From: kernel test robot <lkp@intel.com>
To: Gao Xiang <hsiangkao@linux.alibaba.com>
Cc: linux-erofs@lists.ozlabs.org, oe-kbuild-all@lists.linux.dev
Subject: [xiang-erofs:dev-test 3/3] fs/erofs/decompressor.c:27:5: warning: no previous declaration for 'z_erofs_load_lz4_config'
Date: Sun, 22 Oct 2023 13:41:51 +0800 [thread overview]
Message-ID: <202310221347.8YPc9FUC-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git dev-test
head: 06c538a759ebdac1c80d73fee3b423f38910a729
commit: 06c538a759ebdac1c80d73fee3b423f38910a729 [3/3] erofs: simplify compression configuration parser
config: i386-buildonly-randconfig-002-20231022 (https://download.01.org/0day-ci/archive/20231022/202310221347.8YPc9FUC-lkp@intel.com/config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231022/202310221347.8YPc9FUC-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202310221347.8YPc9FUC-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> fs/erofs/decompressor.c:27:5: warning: no previous declaration for 'z_erofs_load_lz4_config' [-Wmissing-declarations]
int z_erofs_load_lz4_config(struct super_block *sb,
^~~~~~~~~~~~~~~~~~~~~~~
vim +/z_erofs_load_lz4_config +27 fs/erofs/decompressor.c
d67aee76d41861 Gao Xiang 2021-12-28 26
5d50538fc567c6 Huang Jianan 2021-03-29 @27 int z_erofs_load_lz4_config(struct super_block *sb,
06c538a759ebda Gao Xiang 2023-10-21 28 struct erofs_super_block *dsb, void *data, int size)
5d50538fc567c6 Huang Jianan 2021-03-29 29 {
4fea63f7d76e42 Gao Xiang 2021-04-07 30 struct erofs_sb_info *sbi = EROFS_SB(sb);
06c538a759ebda Gao Xiang 2023-10-21 31 struct z_erofs_lz4_cfgs *lz4 = data;
46249cded18ac0 Gao Xiang 2021-03-29 32 u16 distance;
46249cded18ac0 Gao Xiang 2021-03-29 33
46249cded18ac0 Gao Xiang 2021-03-29 34 if (lz4) {
46249cded18ac0 Gao Xiang 2021-03-29 35 if (size < sizeof(struct z_erofs_lz4_cfgs)) {
46249cded18ac0 Gao Xiang 2021-03-29 36 erofs_err(sb, "invalid lz4 cfgs, size=%u", size);
46249cded18ac0 Gao Xiang 2021-03-29 37 return -EINVAL;
46249cded18ac0 Gao Xiang 2021-03-29 38 }
46249cded18ac0 Gao Xiang 2021-03-29 39 distance = le16_to_cpu(lz4->max_distance);
4fea63f7d76e42 Gao Xiang 2021-04-07 40
4fea63f7d76e42 Gao Xiang 2021-04-07 41 sbi->lz4.max_pclusterblks = le16_to_cpu(lz4->max_pclusterblks);
4fea63f7d76e42 Gao Xiang 2021-04-07 42 if (!sbi->lz4.max_pclusterblks) {
4fea63f7d76e42 Gao Xiang 2021-04-07 43 sbi->lz4.max_pclusterblks = 1; /* reserved case */
4fea63f7d76e42 Gao Xiang 2021-04-07 44 } else if (sbi->lz4.max_pclusterblks >
3acea5fc335420 Jingbo Xu 2023-03-13 45 erofs_blknr(sb, Z_EROFS_PCLUSTER_MAX_SIZE)) {
4fea63f7d76e42 Gao Xiang 2021-04-07 46 erofs_err(sb, "too large lz4 pclusterblks %u",
4fea63f7d76e42 Gao Xiang 2021-04-07 47 sbi->lz4.max_pclusterblks);
4fea63f7d76e42 Gao Xiang 2021-04-07 48 return -EINVAL;
4fea63f7d76e42 Gao Xiang 2021-04-07 49 }
46249cded18ac0 Gao Xiang 2021-03-29 50 } else {
14373711dd54be Gao Xiang 2021-03-29 51 distance = le16_to_cpu(dsb->u1.lz4_max_distance);
4fea63f7d76e42 Gao Xiang 2021-04-07 52 sbi->lz4.max_pclusterblks = 1;
46249cded18ac0 Gao Xiang 2021-03-29 53 }
5d50538fc567c6 Huang Jianan 2021-03-29 54
4fea63f7d76e42 Gao Xiang 2021-04-07 55 sbi->lz4.max_distance_pages = distance ?
5d50538fc567c6 Huang Jianan 2021-03-29 56 DIV_ROUND_UP(distance, PAGE_SIZE) + 1 :
5d50538fc567c6 Huang Jianan 2021-03-29 57 LZ4_MAX_DISTANCE_PAGES;
4fea63f7d76e42 Gao Xiang 2021-04-07 58 return erofs_pcpubuf_growsize(sbi->lz4.max_pclusterblks);
5d50538fc567c6 Huang Jianan 2021-03-29 59 }
5d50538fc567c6 Huang Jianan 2021-03-29 60
:::::: The code at line 27 was first introduced by commit
:::::: 5d50538fc567c6f3692dec1825fb38c5a0884d93 erofs: support adjust lz4 history window size
:::::: TO: Huang Jianan <huangjianan@oppo.com>
:::::: CC: Gao Xiang <hsiangkao@redhat.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: Gao Xiang <hsiangkao@linux.alibaba.com>
Cc: oe-kbuild-all@lists.linux.dev, Xiang Gao <xiang@kernel.org>,
linux-erofs@lists.ozlabs.org
Subject: [xiang-erofs:dev-test 3/3] fs/erofs/decompressor.c:27:5: warning: no previous declaration for 'z_erofs_load_lz4_config'
Date: Sun, 22 Oct 2023 13:41:51 +0800 [thread overview]
Message-ID: <202310221347.8YPc9FUC-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git dev-test
head: 06c538a759ebdac1c80d73fee3b423f38910a729
commit: 06c538a759ebdac1c80d73fee3b423f38910a729 [3/3] erofs: simplify compression configuration parser
config: i386-buildonly-randconfig-002-20231022 (https://download.01.org/0day-ci/archive/20231022/202310221347.8YPc9FUC-lkp@intel.com/config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231022/202310221347.8YPc9FUC-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202310221347.8YPc9FUC-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> fs/erofs/decompressor.c:27:5: warning: no previous declaration for 'z_erofs_load_lz4_config' [-Wmissing-declarations]
int z_erofs_load_lz4_config(struct super_block *sb,
^~~~~~~~~~~~~~~~~~~~~~~
vim +/z_erofs_load_lz4_config +27 fs/erofs/decompressor.c
d67aee76d41861 Gao Xiang 2021-12-28 26
5d50538fc567c6 Huang Jianan 2021-03-29 @27 int z_erofs_load_lz4_config(struct super_block *sb,
06c538a759ebda Gao Xiang 2023-10-21 28 struct erofs_super_block *dsb, void *data, int size)
5d50538fc567c6 Huang Jianan 2021-03-29 29 {
4fea63f7d76e42 Gao Xiang 2021-04-07 30 struct erofs_sb_info *sbi = EROFS_SB(sb);
06c538a759ebda Gao Xiang 2023-10-21 31 struct z_erofs_lz4_cfgs *lz4 = data;
46249cded18ac0 Gao Xiang 2021-03-29 32 u16 distance;
46249cded18ac0 Gao Xiang 2021-03-29 33
46249cded18ac0 Gao Xiang 2021-03-29 34 if (lz4) {
46249cded18ac0 Gao Xiang 2021-03-29 35 if (size < sizeof(struct z_erofs_lz4_cfgs)) {
46249cded18ac0 Gao Xiang 2021-03-29 36 erofs_err(sb, "invalid lz4 cfgs, size=%u", size);
46249cded18ac0 Gao Xiang 2021-03-29 37 return -EINVAL;
46249cded18ac0 Gao Xiang 2021-03-29 38 }
46249cded18ac0 Gao Xiang 2021-03-29 39 distance = le16_to_cpu(lz4->max_distance);
4fea63f7d76e42 Gao Xiang 2021-04-07 40
4fea63f7d76e42 Gao Xiang 2021-04-07 41 sbi->lz4.max_pclusterblks = le16_to_cpu(lz4->max_pclusterblks);
4fea63f7d76e42 Gao Xiang 2021-04-07 42 if (!sbi->lz4.max_pclusterblks) {
4fea63f7d76e42 Gao Xiang 2021-04-07 43 sbi->lz4.max_pclusterblks = 1; /* reserved case */
4fea63f7d76e42 Gao Xiang 2021-04-07 44 } else if (sbi->lz4.max_pclusterblks >
3acea5fc335420 Jingbo Xu 2023-03-13 45 erofs_blknr(sb, Z_EROFS_PCLUSTER_MAX_SIZE)) {
4fea63f7d76e42 Gao Xiang 2021-04-07 46 erofs_err(sb, "too large lz4 pclusterblks %u",
4fea63f7d76e42 Gao Xiang 2021-04-07 47 sbi->lz4.max_pclusterblks);
4fea63f7d76e42 Gao Xiang 2021-04-07 48 return -EINVAL;
4fea63f7d76e42 Gao Xiang 2021-04-07 49 }
46249cded18ac0 Gao Xiang 2021-03-29 50 } else {
14373711dd54be Gao Xiang 2021-03-29 51 distance = le16_to_cpu(dsb->u1.lz4_max_distance);
4fea63f7d76e42 Gao Xiang 2021-04-07 52 sbi->lz4.max_pclusterblks = 1;
46249cded18ac0 Gao Xiang 2021-03-29 53 }
5d50538fc567c6 Huang Jianan 2021-03-29 54
4fea63f7d76e42 Gao Xiang 2021-04-07 55 sbi->lz4.max_distance_pages = distance ?
5d50538fc567c6 Huang Jianan 2021-03-29 56 DIV_ROUND_UP(distance, PAGE_SIZE) + 1 :
5d50538fc567c6 Huang Jianan 2021-03-29 57 LZ4_MAX_DISTANCE_PAGES;
4fea63f7d76e42 Gao Xiang 2021-04-07 58 return erofs_pcpubuf_growsize(sbi->lz4.max_pclusterblks);
5d50538fc567c6 Huang Jianan 2021-03-29 59 }
5d50538fc567c6 Huang Jianan 2021-03-29 60
:::::: The code at line 27 was first introduced by commit
:::::: 5d50538fc567c6f3692dec1825fb38c5a0884d93 erofs: support adjust lz4 history window size
:::::: TO: Huang Jianan <huangjianan@oppo.com>
:::::: CC: Gao Xiang <hsiangkao@redhat.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next reply other threads:[~2023-10-22 5:43 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-22 5:41 kernel test robot [this message]
2023-10-22 5:41 ` [xiang-erofs:dev-test 3/3] fs/erofs/decompressor.c:27:5: warning: no previous declaration for 'z_erofs_load_lz4_config' kernel test robot
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