fs/iomap/buffered-io.c:1093:53: warning: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type 'size_t' {aka 'unsigned int'}
From: kernel test robot
Date: Mon Jan 10 2022 - 19:37:22 EST
tree: https://github.com/0day-ci/linux/commits/UPDATE-20220111-073805/trondmy-kernel-org/iomap-Address-soft-lockup-in-iomap_finish_ioend/20211231-034313
head: f1c8b8b2e616895aa0f5be4e53d4cd1ffa751001
commit: f1c8b8b2e616895aa0f5be4e53d4cd1ffa751001 iomap: Address soft lockup in iomap_finish_ioend()
date: 54 minutes ago
config: um-i386_defconfig (https://download.01.org/0day-ci/archive/20220111/202201110815.jsASX6ar-lkp@xxxxxxxxx/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://github.com/0day-ci/linux/commit/f1c8b8b2e616895aa0f5be4e53d4cd1ffa751001
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review UPDATE-20220111-073805/trondmy-kernel-org/iomap-Address-soft-lockup-in-iomap_finish_ioend/20211231-034313
git checkout f1c8b8b2e616895aa0f5be4e53d4cd1ffa751001
# save the config file to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=um SUBARCH=i386 SHELL=/bin/bash fs/iomap/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>
All warnings (new ones prefixed by >>):
fs/iomap/buffered-io.c: In function 'iomap_finish_ioends':
>> fs/iomap/buffered-io.c:1093:53: warning: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type 'size_t' {aka 'unsigned int'} [-Wformat=]
1093 | trace_printk("pages %u, start sector 0x%llx size %lu pcnt %u",
| ~~^
| |
| long unsigned int
| %u
......
1096 | ioend->io_size,
| ~~~~~~~~~~~~~~
| |
| size_t {aka unsigned int}
fs/iomap/buffered-io.c:1106:53: warning: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type 'size_t' {aka 'unsigned int'} [-Wformat=]
1106 | trace_printk("pages %u, start sector 0x%llx size %lu pcnt %u",
| ~~^
| |
| long unsigned int
| %u
......
1109 | ioend->io_size,
| ~~~~~~~~~~~~~~
| |
| size_t {aka unsigned int}
fs/iomap/buffered-io.c: In function 'iomap_ioend_can_merge':
fs/iomap/buffered-io.c:1121:33: warning: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type 'size_t' {aka 'unsigned int'} [-Wformat=]
1121 | "off 0x%llx, sect 0x%llx size %lu/0x%lx end 0x%llx, next off 0x%llx sect 0x%llx",
| ~~^
| |
| long unsigned int
| %u
......
1124 | ioend->io_size, (ioend->io_size >> 9),
| ~~~~~~~~~~~~~~
| |
| size_t {aka unsigned int}
>> fs/iomap/buffered-io.c:1121:39: warning: format '%lx' expects argument of type 'long unsigned int', but argument 5 has type 'size_t' {aka 'unsigned int'} [-Wformat=]
1121 | "off 0x%llx, sect 0x%llx size %lu/0x%lx end 0x%llx, next off 0x%llx sect 0x%llx",
| ~~^
| |
| long unsigned int
| %x
......
1124 | ioend->io_size, (ioend->io_size >> 9),
| ~~~~~~~~~~~~~~~~~~~~~
| |
| size_t {aka unsigned int}
vim +1093 fs/iomap/buffered-io.c
1072
1073 /*
1074 * Ioend completion routine for merged bios. This can only be called from task
1075 * contexts as merged ioends can be of unbound length. Hence we have to break up
1076 * the page writeback completion into manageable chunks to avoid long scheduler
1077 * holdoffs. We aim to keep scheduler holdoffs down below 10ms so that we get
1078 * good batch processing throughput without creating adverse scheduler latency
1079 * conditions.
1080 */
1081 void
1082 iomap_finish_ioends(struct iomap_ioend *ioend, int error)
1083 {
1084 struct list_head tmp;
1085 u32 pages;
1086
1087 might_sleep();
1088
1089 list_replace_init(&ioend->io_list, &tmp);
1090 pages = iomap_finish_ioend(ioend, error);
1091
1092 while (!list_empty(&tmp)) {
> 1093 trace_printk("pages %u, start sector 0x%llx size %lu pcnt %u",
1094 ioend->io_pages,
1095 ioend->io_sector,
1096 ioend->io_size,
1097 pages);
1098 if (pages > 32768) {
1099 cond_resched();
1100 pages = 0;
1101 }
1102 ioend = list_first_entry(&tmp, struct iomap_ioend, io_list);
1103 list_del_init(&ioend->io_list);
1104 pages += iomap_finish_ioend(ioend, error);
1105 }
1106 trace_printk("pages %u, start sector 0x%llx size %lu pcnt %u",
1107 ioend->io_pages,
1108 ioend->io_sector,
1109 ioend->io_size,
1110 pages);
1111 }
1112 EXPORT_SYMBOL_GPL(iomap_finish_ioends);
1113
1114 /*
1115 * We can merge two adjacent ioends if they have the same set of work to do.
1116 */
1117 static bool
1118 iomap_ioend_can_merge(struct iomap_ioend *ioend, struct iomap_ioend *next)
1119 {
1120 trace_printk(
> 1121 "off 0x%llx, sect 0x%llx size %lu/0x%lx end 0x%llx, next off 0x%llx sect 0x%llx",
1122 ioend->io_offset,
1123 ioend->io_sector,
1124 ioend->io_size, (ioend->io_size >> 9),
1125 ioend->io_sector + (ioend->io_size >> 9),
1126 next->io_offset,
1127 next->io_sector);
1128
1129 if (ioend->io_bio->bi_status != next->io_bio->bi_status)
1130 return false;
1131 if ((ioend->io_flags & IOMAP_F_SHARED) ^
1132 (next->io_flags & IOMAP_F_SHARED))
1133 return false;
1134 if ((ioend->io_type == IOMAP_UNWRITTEN) ^
1135 (next->io_type == IOMAP_UNWRITTEN))
1136 return false;
1137 if (ioend->io_offset + ioend->io_size != next->io_offset)
1138 return false;
1139 /*
1140 * Do not merge physically discontiguous ioends. The filesystem
1141 * completion functions will have to iterate the physical
1142 * discontiguities even if we merge the ioends at a logical level, so
1143 * we don't gain anything by merging physical discontiguities here.
1144 */
1145
1146 if (ioend->io_sector + (ioend->io_size >> 9) != next->io_sector)
1147 return false;
1148 return true;
1149 }
1150
---
0-DAY CI Kernel Test Service, Intel Corporation
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