* [ammarfaizi2-block:af/dev.btrfs 10/11] fs/btrfs/fs.h:173:56: warning: left shift count >= width of type
@ 2023-02-25 3:26 kernel test robot
2023-02-25 8:40 ` Ammar Faizi
0 siblings, 1 reply; 2+ messages in thread
From: kernel test robot @ 2023-02-25 3:26 UTC (permalink / raw)
To: Ammar Faizi; +Cc: oe-kbuild-all, Ammar Faizi, GNU/Weeb Mailing List
tree: https://github.com/ammarfaizi2/linux-block af/dev.btrfs
head: 91361976f98a5766c0c00110ad28f6dd3b3a7de3
commit: 3afc14e1a169a4643f51ebdcf743a8efdb7f78b2 [10/11] btrfs: Add wq_cpu_set mount option
config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20230225/[email protected]/config)
compiler: m68k-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/ammarfaizi2/linux-block/commit/3afc14e1a169a4643f51ebdcf743a8efdb7f78b2
git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
git fetch --no-tags ammarfaizi2-block af/dev.btrfs
git checkout 3afc14e1a169a4643f51ebdcf743a8efdb7f78b2
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=m68k olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=m68k SHELL=/bin/bash fs/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <[email protected]>
| Link: https://lore.kernel.org/oe-kbuild-all/[email protected]/
All warnings (new ones prefixed by >>):
In file included from fs/btrfs/ctree.h:39,
from fs/btrfs/ref-verify.c:9:
>> fs/btrfs/fs.h:173:56: warning: left shift count >= width of type [-Wshift-count-overflow]
173 | BTRFS_MOUNT_WQ_CPU_SET = (1UL << 32),
| ^~
--
In file included from fs/btrfs/ctree.h:39,
from fs/btrfs/delayed-inode.h:17,
from fs/btrfs/super.c:30:
>> fs/btrfs/fs.h:173:56: warning: left shift count >= width of type [-Wshift-count-overflow]
173 | BTRFS_MOUNT_WQ_CPU_SET = (1UL << 32),
| ^~
fs/btrfs/super.c: In function 'parse_wq_cpu_set':
fs/btrfs/super.c:352:26: error: assignment to expression with array type
352 | info->wq_cpu_set = mask;
| ^
vim +173 fs/btrfs/fs.h
134
135 /*
136 * Flags for mount options.
137 *
138 * Note: don't forget to add new options to btrfs_show_options()
139 */
140 enum {
141 BTRFS_MOUNT_NODATASUM = (1UL << 0),
142 BTRFS_MOUNT_NODATACOW = (1UL << 1),
143 BTRFS_MOUNT_NOBARRIER = (1UL << 2),
144 BTRFS_MOUNT_SSD = (1UL << 3),
145 BTRFS_MOUNT_DEGRADED = (1UL << 4),
146 BTRFS_MOUNT_COMPRESS = (1UL << 5),
147 BTRFS_MOUNT_NOTREELOG = (1UL << 6),
148 BTRFS_MOUNT_FLUSHONCOMMIT = (1UL << 7),
149 BTRFS_MOUNT_SSD_SPREAD = (1UL << 8),
150 BTRFS_MOUNT_NOSSD = (1UL << 9),
151 BTRFS_MOUNT_DISCARD_SYNC = (1UL << 10),
152 BTRFS_MOUNT_FORCE_COMPRESS = (1UL << 11),
153 BTRFS_MOUNT_SPACE_CACHE = (1UL << 12),
154 BTRFS_MOUNT_CLEAR_CACHE = (1UL << 13),
155 BTRFS_MOUNT_USER_SUBVOL_RM_ALLOWED = (1UL << 14),
156 BTRFS_MOUNT_ENOSPC_DEBUG = (1UL << 15),
157 BTRFS_MOUNT_AUTO_DEFRAG = (1UL << 16),
158 BTRFS_MOUNT_USEBACKUPROOT = (1UL << 17),
159 BTRFS_MOUNT_SKIP_BALANCE = (1UL << 18),
160 BTRFS_MOUNT_CHECK_INTEGRITY = (1UL << 19),
161 BTRFS_MOUNT_CHECK_INTEGRITY_DATA = (1UL << 20),
162 BTRFS_MOUNT_PANIC_ON_FATAL_ERROR = (1UL << 21),
163 BTRFS_MOUNT_RESCAN_UUID_TREE = (1UL << 22),
164 BTRFS_MOUNT_FRAGMENT_DATA = (1UL << 23),
165 BTRFS_MOUNT_FRAGMENT_METADATA = (1UL << 24),
166 BTRFS_MOUNT_FREE_SPACE_TREE = (1UL << 25),
167 BTRFS_MOUNT_NOLOGREPLAY = (1UL << 26),
168 BTRFS_MOUNT_REF_VERIFY = (1UL << 27),
169 BTRFS_MOUNT_DISCARD_ASYNC = (1UL << 28),
170 BTRFS_MOUNT_IGNOREBADROOTS = (1UL << 29),
171 BTRFS_MOUNT_IGNOREDATACSUMS = (1UL << 30),
172 BTRFS_MOUNT_NODISCARD = (1UL << 31),
> 173 BTRFS_MOUNT_WQ_CPU_SET = (1UL << 32),
174 };
175
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [ammarfaizi2-block:af/dev.btrfs 10/11] fs/btrfs/fs.h:173:56: warning: left shift count >= width of type
2023-02-25 3:26 [ammarfaizi2-block:af/dev.btrfs 10/11] fs/btrfs/fs.h:173:56: warning: left shift count >= width of type kernel test robot
@ 2023-02-25 8:40 ` Ammar Faizi
0 siblings, 0 replies; 2+ messages in thread
From: Ammar Faizi @ 2023-02-25 8:40 UTC (permalink / raw)
To: kernel test robot; +Cc: oe-kbuild-all, GNU/Weeb Mailing List
On Sat, Feb 25, 2023 at 11:26:21AM +0800, kernel test robot wrote:
> >> fs/btrfs/fs.h:173:56: warning: left shift count >= width of type [-Wshift-count-overflow]
> 173 | BTRFS_MOUNT_WQ_CPU_SET = (1UL << 32),
> | ^~
Got it, in that system, unsigned long is 32-bit. So it overflows.
--
Ammar Faizi
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2023-02-25 8:40 ` Ammar Faizi
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