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Message-ID: <202207181628.I3aB3uS6-lkp@intel.com>
Date: Mon, 18 Jul 2022 16:35:40 +0800
From: kernel test robot <lkp@...el.com>
To: Bart Van Assche <bvanassche@....org>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [bvanassche:f2fs 4/4] fs/f2fs/segment.c:4070:36: sparse: sparse:
incompatible types in comparison expression (different type sizes):
tree: https://github.com/bvanassche/linux f2fs
head: 787811ac4178b6f0a77923aa25c58b4041a52f05
commit: 787811ac4178b6f0a77923aa25c58b4041a52f05 [4/4] f
config: nios2-randconfig-s031-20220717 (https://download.01.org/0day-ci/archive/20220718/202207181628.I3aB3uS6-lkp@intel.com/config)
compiler: nios2-linux-gcc (GCC) 12.1.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-39-gce1a6720-dirty
# https://github.com/bvanassche/linux/commit/787811ac4178b6f0a77923aa25c58b4041a52f05
git remote add bvanassche https://github.com/bvanassche/linux
git fetch --no-tags bvanassche f2fs
git checkout 787811ac4178b6f0a77923aa25c58b4041a52f05
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=nios2 SHELL=/bin/bash fs/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>
sparse warnings: (new ones prefixed by >>)
>> fs/f2fs/segment.c:4070:36: sparse: sparse: incompatible types in comparison expression (different type sizes):
>> fs/f2fs/segment.c:4070:36: sparse: unsigned int *
>> fs/f2fs/segment.c:4070:36: sparse: unsigned long *
fs/f2fs/segment.c: note: in included file:
>> fs/f2fs/segment.h:417:28: sparse: sparse: incompatible types in comparison expression (different type sizes):
>> fs/f2fs/segment.h:417:28: sparse: unsigned int *
>> fs/f2fs/segment.h:417:28: sparse: unsigned long *
vim +4070 fs/f2fs/segment.c
351df4b2011573 Jaegeuk Kim 2012-11-02 4025
0a8165d7c2cf13 Jaegeuk Kim 2012-11-29 4026 /*
351df4b2011573 Jaegeuk Kim 2012-11-02 4027 * CP calls this function, which flushes SIT entries including sit_journal,
351df4b2011573 Jaegeuk Kim 2012-11-02 4028 * and moves prefree segs to free segs.
351df4b2011573 Jaegeuk Kim 2012-11-02 4029 */
4d57b86dd86404 Chao Yu 2018-05-30 4030 void f2fs_flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc)
351df4b2011573 Jaegeuk Kim 2012-11-02 4031 {
351df4b2011573 Jaegeuk Kim 2012-11-02 4032 struct sit_info *sit_i = SIT_I(sbi);
351df4b2011573 Jaegeuk Kim 2012-11-02 4033 unsigned long *bitmap = sit_i->dirty_sentries_bitmap;
351df4b2011573 Jaegeuk Kim 2012-11-02 4034 struct curseg_info *curseg = CURSEG_I(sbi, CURSEG_COLD_DATA);
b7ad7512b84b26 Chao Yu 2016-02-19 4035 struct f2fs_journal *journal = curseg->journal;
184a5cd2ce281f Chao Yu 2014-09-04 4036 struct sit_entry_set *ses, *tmp;
184a5cd2ce281f Chao Yu 2014-09-04 4037 struct list_head *head = &SM_I(sbi)->sit_entry_set;
04f0b2eaa3b3ee Qiuyang Sun 2019-06-05 4038 bool to_journal = !is_sbi_flag_set(sbi, SBI_IS_RESIZEFS);
4b2fecc8465505 Jaegeuk Kim 2014-09-20 4039 struct seg_entry *se;
351df4b2011573 Jaegeuk Kim 2012-11-02 4040
3d26fa6be3c487 Chao Yu 2017-10-30 4041 down_write(&sit_i->sentry_lock);
351df4b2011573 Jaegeuk Kim 2012-11-02 4042
2b11a74b21b040 Wanpeng Li 2015-02-27 4043 if (!sit_i->dirty_sentries)
2b11a74b21b040 Wanpeng Li 2015-02-27 4044 goto out;
2b11a74b21b040 Wanpeng Li 2015-02-27 4045
351df4b2011573 Jaegeuk Kim 2012-11-02 4046 /*
184a5cd2ce281f Chao Yu 2014-09-04 4047 * add and account sit entries of dirty bitmap in sit entry
184a5cd2ce281f Chao Yu 2014-09-04 4048 * set temporarily
351df4b2011573 Jaegeuk Kim 2012-11-02 4049 */
184a5cd2ce281f Chao Yu 2014-09-04 4050 add_sits_in_set(sbi);
351df4b2011573 Jaegeuk Kim 2012-11-02 4051
184a5cd2ce281f Chao Yu 2014-09-04 4052 /*
184a5cd2ce281f Chao Yu 2014-09-04 4053 * if there are no enough space in journal to store dirty sit
184a5cd2ce281f Chao Yu 2014-09-04 4054 * entries, remove all entries from journal and add and account
184a5cd2ce281f Chao Yu 2014-09-04 4055 * them in sit entry set.
184a5cd2ce281f Chao Yu 2014-09-04 4056 */
04f0b2eaa3b3ee Qiuyang Sun 2019-06-05 4057 if (!__has_cursum_space(journal, sit_i->dirty_sentries, SIT_JOURNAL) ||
04f0b2eaa3b3ee Qiuyang Sun 2019-06-05 4058 !to_journal)
184a5cd2ce281f Chao Yu 2014-09-04 4059 remove_sits_in_journal(sbi);
351df4b2011573 Jaegeuk Kim 2012-11-02 4060
184a5cd2ce281f Chao Yu 2014-09-04 4061 /*
184a5cd2ce281f Chao Yu 2014-09-04 4062 * there are two steps to flush sit entries:
184a5cd2ce281f Chao Yu 2014-09-04 4063 * #1, flush sit entries to journal in current cold data summary block.
184a5cd2ce281f Chao Yu 2014-09-04 4064 * #2, flush sit entries to sit page.
184a5cd2ce281f Chao Yu 2014-09-04 4065 */
184a5cd2ce281f Chao Yu 2014-09-04 4066 list_for_each_entry_safe(ses, tmp, head, set_list) {
4a257ed677cb68 Jaegeuk Kim 2014-10-16 4067 struct page *page = NULL;
184a5cd2ce281f Chao Yu 2014-09-04 4068 struct f2fs_sit_block *raw_sit = NULL;
184a5cd2ce281f Chao Yu 2014-09-04 4069 unsigned int start_segno = ses->start_segno;
184a5cd2ce281f Chao Yu 2014-09-04 @4070 unsigned int end = min(start_segno + SIT_ENTRY_PER_BLOCK,
7cd8558baa4e45 Jaegeuk Kim 2014-09-23 4071 (unsigned long)MAIN_SEGS(sbi));
184a5cd2ce281f Chao Yu 2014-09-04 4072 unsigned int segno = start_segno;
b29555505d81e4 Jaegeuk Kim 2013-11-12 4073
184a5cd2ce281f Chao Yu 2014-09-04 4074 if (to_journal &&
dfc08a12e49a64 Chao Yu 2016-02-14 4075 !__has_cursum_space(journal, ses->entry_cnt, SIT_JOURNAL))
184a5cd2ce281f Chao Yu 2014-09-04 4076 to_journal = false;
351df4b2011573 Jaegeuk Kim 2012-11-02 4077
b7ad7512b84b26 Chao Yu 2016-02-19 4078 if (to_journal) {
b7ad7512b84b26 Chao Yu 2016-02-19 4079 down_write(&curseg->journal_rwsem);
b7ad7512b84b26 Chao Yu 2016-02-19 4080 } else {
184a5cd2ce281f Chao Yu 2014-09-04 4081 page = get_next_sit_page(sbi, start_segno);
184a5cd2ce281f Chao Yu 2014-09-04 4082 raw_sit = page_address(page);
351df4b2011573 Jaegeuk Kim 2012-11-02 4083 }
351df4b2011573 Jaegeuk Kim 2012-11-02 4084
184a5cd2ce281f Chao Yu 2014-09-04 4085 /* flush dirty sit entries in region of current sit set */
184a5cd2ce281f Chao Yu 2014-09-04 4086 for_each_set_bit_from(segno, bitmap, end) {
184a5cd2ce281f Chao Yu 2014-09-04 4087 int offset, sit_offset;
4b2fecc8465505 Jaegeuk Kim 2014-09-20 4088
4b2fecc8465505 Jaegeuk Kim 2014-09-20 4089 se = get_seg_entry(sbi, segno);
56b07e7e65503c Zhikang Zhang 2018-04-09 4090 #ifdef CONFIG_F2FS_CHECK_FS
56b07e7e65503c Zhikang Zhang 2018-04-09 4091 if (memcmp(se->cur_valid_map, se->cur_valid_map_mir,
56b07e7e65503c Zhikang Zhang 2018-04-09 4092 SIT_VBLOCK_MAP_SIZE))
56b07e7e65503c Zhikang Zhang 2018-04-09 4093 f2fs_bug_on(sbi, 1);
56b07e7e65503c Zhikang Zhang 2018-04-09 4094 #endif
351df4b2011573 Jaegeuk Kim 2012-11-02 4095
184a5cd2ce281f Chao Yu 2014-09-04 4096 /* add discard candidates */
c473f1a9658b6c Chao Yu 2017-04-27 4097 if (!(cpc->reason & CP_DISCARD)) {
4b2fecc8465505 Jaegeuk Kim 2014-09-20 4098 cpc->trim_start = segno;
25290fa5591d81 Jaegeuk Kim 2016-12-29 4099 add_discard_addrs(sbi, cpc, false);
4b2fecc8465505 Jaegeuk Kim 2014-09-20 4100 }
184a5cd2ce281f Chao Yu 2014-09-04 4101
184a5cd2ce281f Chao Yu 2014-09-04 4102 if (to_journal) {
4d57b86dd86404 Chao Yu 2018-05-30 4103 offset = f2fs_lookup_journal_in_cursum(journal,
184a5cd2ce281f Chao Yu 2014-09-04 4104 SIT_JOURNAL, segno, 1);
184a5cd2ce281f Chao Yu 2014-09-04 4105 f2fs_bug_on(sbi, offset < 0);
dfc08a12e49a64 Chao Yu 2016-02-14 4106 segno_in_journal(journal, offset) =
184a5cd2ce281f Chao Yu 2014-09-04 4107 cpu_to_le32(segno);
184a5cd2ce281f Chao Yu 2014-09-04 4108 seg_info_to_raw_sit(se,
dfc08a12e49a64 Chao Yu 2016-02-14 4109 &sit_in_journal(journal, offset));
56b07e7e65503c Zhikang Zhang 2018-04-09 4110 check_block_count(sbi, segno,
56b07e7e65503c Zhikang Zhang 2018-04-09 4111 &sit_in_journal(journal, offset));
184a5cd2ce281f Chao Yu 2014-09-04 4112 } else {
184a5cd2ce281f Chao Yu 2014-09-04 4113 sit_offset = SIT_ENTRY_OFFSET(sit_i, segno);
184a5cd2ce281f Chao Yu 2014-09-04 4114 seg_info_to_raw_sit(se,
184a5cd2ce281f Chao Yu 2014-09-04 4115 &raw_sit->entries[sit_offset]);
56b07e7e65503c Zhikang Zhang 2018-04-09 4116 check_block_count(sbi, segno,
56b07e7e65503c Zhikang Zhang 2018-04-09 4117 &raw_sit->entries[sit_offset]);
351df4b2011573 Jaegeuk Kim 2012-11-02 4118 }
351df4b2011573 Jaegeuk Kim 2012-11-02 4119
351df4b2011573 Jaegeuk Kim 2012-11-02 4120 __clear_bit(segno, bitmap);
351df4b2011573 Jaegeuk Kim 2012-11-02 4121 sit_i->dirty_sentries--;
184a5cd2ce281f Chao Yu 2014-09-04 4122 ses->entry_cnt--;
351df4b2011573 Jaegeuk Kim 2012-11-02 4123 }
351df4b2011573 Jaegeuk Kim 2012-11-02 4124
b7ad7512b84b26 Chao Yu 2016-02-19 4125 if (to_journal)
b7ad7512b84b26 Chao Yu 2016-02-19 4126 up_write(&curseg->journal_rwsem);
b7ad7512b84b26 Chao Yu 2016-02-19 4127 else
351df4b2011573 Jaegeuk Kim 2012-11-02 4128 f2fs_put_page(page, 1);
351df4b2011573 Jaegeuk Kim 2012-11-02 4129
184a5cd2ce281f Chao Yu 2014-09-04 4130 f2fs_bug_on(sbi, ses->entry_cnt);
184a5cd2ce281f Chao Yu 2014-09-04 4131 release_sit_entry_set(ses);
184a5cd2ce281f Chao Yu 2014-09-04 4132 }
184a5cd2ce281f Chao Yu 2014-09-04 4133
184a5cd2ce281f Chao Yu 2014-09-04 4134 f2fs_bug_on(sbi, !list_empty(head));
184a5cd2ce281f Chao Yu 2014-09-04 4135 f2fs_bug_on(sbi, sit_i->dirty_sentries);
184a5cd2ce281f Chao Yu 2014-09-04 4136 out:
c473f1a9658b6c Chao Yu 2017-04-27 4137 if (cpc->reason & CP_DISCARD) {
650d3c4e56e1e9 Yunlei He 2016-12-22 4138 __u64 trim_start = cpc->trim_start;
650d3c4e56e1e9 Yunlei He 2016-12-22 4139
4b2fecc8465505 Jaegeuk Kim 2014-09-20 4140 for (; cpc->trim_start <= cpc->trim_end; cpc->trim_start++)
25290fa5591d81 Jaegeuk Kim 2016-12-29 4141 add_discard_addrs(sbi, cpc, false);
650d3c4e56e1e9 Yunlei He 2016-12-22 4142
650d3c4e56e1e9 Yunlei He 2016-12-22 4143 cpc->trim_start = trim_start;
4b2fecc8465505 Jaegeuk Kim 2014-09-20 4144 }
3d26fa6be3c487 Chao Yu 2017-10-30 4145 up_write(&sit_i->sentry_lock);
184a5cd2ce281f Chao Yu 2014-09-04 4146
351df4b2011573 Jaegeuk Kim 2012-11-02 4147 set_prefree_as_free_segments(sbi);
351df4b2011573 Jaegeuk Kim 2012-11-02 4148 }
351df4b2011573 Jaegeuk Kim 2012-11-02 4149
:::::: The code at line 4070 was first introduced by commit
:::::: 184a5cd2ce281f1207d72adb9ae18e416ca371db f2fs: refactor flush_sit_entries codes for reducing SIT writes
:::::: TO: Chao Yu <chao2.yu@...sung.com>
:::::: CC: Jaegeuk Kim <jaegeuk@...nel.org>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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