* linux-next: build warning after merge of the fsinfo tree
@ 2020-05-12 10:22 Stephen Rothwell
2020-05-12 23:27 ` David Howells
0 siblings, 1 reply; 3+ messages in thread
From: Stephen Rothwell @ 2020-05-12 10:22 UTC (permalink / raw)
To: David Howells; +Cc: Linux Next Mailing List, Linux Kernel Mailing List
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Hi all,
After merging the fsinfo tree, today's linux-next build (powerpc
allyesconfig) produced this warning:
samples/watch_queue/watch_test.c: In function 'saw_super_change':
samples/watch_queue/watch_test.c:107:21: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 2 has type '__u64' {aka 'long unsigned int'} [-Wformat=]
107 | printf("SUPER %08llx change=%u[%s]\n",
| ~~~~~^
| |
| long long unsigned int
| %08lx
108 | s->sb_id, n->subtype, super_subtypes[n->subtype]);
| ~~~~~~~~
| |
| __u64 {aka long unsigned int}
Introduced by commit
6e1617461ab8 ("watch_queue: sample: Display superblock notifications")
--
Cheers,
Stephen Rothwell
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: linux-next: build warning after merge of the fsinfo tree
2020-05-12 10:22 linux-next: build warning after merge of the fsinfo tree Stephen Rothwell
@ 2020-05-12 23:27 ` David Howells
0 siblings, 0 replies; 3+ messages in thread
From: David Howells @ 2020-05-12 23:27 UTC (permalink / raw)
To: Stephen Rothwell
Cc: dhowells, Linux Next Mailing List, Linux Kernel Mailing List
Stephen Rothwell <sfr@canb.auug.org.au> wrote:
> samples/watch_queue/watch_test.c:107:21: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 2 has type '__u64' {aka 'long unsigned int'} [-Wformat=]
I wish we'd been consistent on how we'd defined __u64. It needs a cast.
David
^ permalink raw reply [flat|nested] 3+ messages in thread
* linux-next: build warning after merge of the fsinfo tree
@ 2020-05-14 9:10 Stephen Rothwell
0 siblings, 0 replies; 3+ messages in thread
From: Stephen Rothwell @ 2020-05-14 9:10 UTC (permalink / raw)
To: David Howells; +Cc: Linux Next Mailing List, Linux Kernel Mailing List
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Hi all,
After merging the fsinfo tree, today's linux-next build (powerpc
allyesconfig) produced this warning:
samples/vfs/test-fsinfo.c: In function 'dump_fsinfo_generic_statfs':
samples/vfs/test-fsinfo.c:135:30: warning: format '%llu' expects argument of type 'long long unsigned int', but argument 2 has type '__u64' {aka 'long unsigned int'} [-Wformat=]
135 | printf("\tbsize : %llu\n", f->f_bsize);
| ~~~^ ~~~~~~~~~~
| | |
| | __u64 {aka long unsigned int}
| long long unsigned int
| %lu
samples/vfs/test-fsinfo.c:136:30: warning: format '%llu' expects argument of type 'long long unsigned int', but argument 2 has type '__u64' {aka 'long unsigned int'} [-Wformat=]
136 | printf("\tfrsize : %llu\n", f->f_frsize);
| ~~~^ ~~~~~~~~~~~
| | |
| | __u64 {aka long unsigned int}
| long long unsigned int
| %lu
Introduced by commit
1b3979fc0f0c ("fsinfo: Add fsinfo() syscall to query filesystem information")
--
Cheers,
Stephen Rothwell
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