linux-next: build warnings after merge of the fsinfo tree

From: Stephen Rothwell
Date: Thu May 28 2020 - 04:40:22 EST


Hi all,

After merging the fsinfo tree, today's linux-next build (x86_64
allnoconfig) produced these warnings:

In file included from kernel/sched/sched.h:39,
from kernel/sched/loadavg.c:9:
include/linux/blkdev.h:1895:41: warning: 'struct gendisk' declared inside parameter list will not be visible outside of this definition or declaration
1895 | unsigned long disk_start_io_acct(struct gendisk *disk, unsigned int sectors,
| ^~~~~~~
include/linux/blkdev.h:1897:30: warning: 'struct gendisk' declared inside parameter list will not be visible outside of this definition or declaration
1897 | void disk_end_io_acct(struct gendisk *disk, unsigned int op,
| ^~~~~~~
In file included from fs/super.c:26:
include/linux/blkdev.h:1895:41: warning: 'struct gendisk' declared inside parameter list will not be visible outside of this definition or declaration
1895 | unsigned long disk_start_io_acct(struct gendisk *disk, unsigned int sectors,
| ^~~~~~~
include/linux/blkdev.h:1897:30: warning: 'struct gendisk' declared inside parameter list will not be visible outside of this definition or declaration
1897 | void disk_end_io_acct(struct gendisk *disk, unsigned int op,
| ^~~~~~~
In file included from kernel/sched/sched.h:39,
from kernel/sched/clock.c:56:
include/linux/blkdev.h:1895:41: warning: 'struct gendisk' declared inside parameter list will not be visible outside of this definition or declaration
1895 | unsigned long disk_start_io_acct(struct gendisk *disk, unsigned int sectors,
| ^~~~~~~
include/linux/blkdev.h:1897:30: warning: 'struct gendisk' declared inside parameter list will not be visible outside of this definition or declaration
1897 | void disk_end_io_acct(struct gendisk *disk, unsigned int op,
| ^~~~~~~
In file included from kernel/sched/sched.h:39,
from kernel/sched/idle.c:9:
include/linux/blkdev.h:1895:41: warning: 'struct gendisk' declared inside parameter list will not be visible outside of this definition or declaration
1895 | unsigned long disk_start_io_acct(struct gendisk *disk, unsigned int sectors,
| ^~~~~~~
include/linux/blkdev.h:1897:30: warning: 'struct gendisk' declared inside parameter list will not be visible outside of this definition or declaration
1897 | void disk_end_io_acct(struct gendisk *disk, unsigned int op,
| ^~~~~~~
In file included from kernel/sched/sched.h:39,
from kernel/sched/cputime.c:5:
include/linux/blkdev.h:1895:41: warning: 'struct gendisk' declared inside parameter list will not be visible outside of this definition or declaration
1895 | unsigned long disk_start_io_acct(struct gendisk *disk, unsigned int sectors,
| ^~~~~~~
include/linux/blkdev.h:1897:30: warning: 'struct gendisk' declared inside parameter list will not be visible outside of this definition or declaration
1897 | void disk_end_io_acct(struct gendisk *disk, unsigned int op,
| ^~~~~~~
In file included from kernel/sched/sched.h:39,
from kernel/sched/rt.c:6:
include/linux/blkdev.h:1895:41: warning: 'struct gendisk' declared inside parameter list will not be visible outside of this definition or declaration
1895 | unsigned long disk_start_io_acct(struct gendisk *disk, unsigned int sectors,
| ^~~~~~~
include/linux/blkdev.h:1897:30: warning: 'struct gendisk' declared inside parameter list will not be visible outside of this definition or declaration
1897 | void disk_end_io_acct(struct gendisk *disk, unsigned int op,
| ^~~~~~~
In file included from kernel/sched/sched.h:39,
from kernel/sched/core.c:9:
include/linux/blkdev.h:1895:41: warning: 'struct gendisk' declared inside parameter list will not be visible outside of this definition or declaration
1895 | unsigned long disk_start_io_acct(struct gendisk *disk, unsigned int sectors,
| ^~~~~~~
include/linux/blkdev.h:1897:30: warning: 'struct gendisk' declared inside parameter list will not be visible outside of this definition or declaration
1897 | void disk_end_io_acct(struct gendisk *disk, unsigned int op,
| ^~~~~~~
In file included from kernel/sched/sched.h:39,
from kernel/sched/swait.c:5:
include/linux/blkdev.h:1895:41: warning: 'struct gendisk' declared inside parameter list will not be visible outside of this definition or declaration
1895 | unsigned long disk_start_io_acct(struct gendisk *disk, unsigned int sectors,
| ^~~~~~~
include/linux/blkdev.h:1897:30: warning: 'struct gendisk' declared inside parameter list will not be visible outside of this definition or declaration
1897 | void disk_end_io_acct(struct gendisk *disk, unsigned int op,
| ^~~~~~~
In file included from kernel/sched/sched.h:39,
from kernel/sched/wait_bit.c:5:
include/linux/blkdev.h:1895:41: warning: 'struct gendisk' declared inside parameter list will not be visible outside of this definition or declaration
1895 | unsigned long disk_start_io_acct(struct gendisk *disk, unsigned int sectors,
| ^~~~~~~
include/linux/blkdev.h:1897:30: warning: 'struct gendisk' declared inside parameter list will not be visible outside of this definition or declaration
1897 | void disk_end_io_acct(struct gendisk *disk, unsigned int op,
| ^~~~~~~
In file included from kernel/sched/sched.h:39,
from kernel/sched/fair.c:23:
include/linux/blkdev.h:1895:41: warning: 'struct gendisk' declared inside parameter list will not be visible outside of this definition or declaration
1895 | unsigned long disk_start_io_acct(struct gendisk *disk, unsigned int sectors,
| ^~~~~~~
include/linux/blkdev.h:1897:30: warning: 'struct gendisk' declared inside parameter list will not be visible outside of this definition or declaration
1897 | void disk_end_io_acct(struct gendisk *disk, unsigned int op,
| ^~~~~~~
In file included from kernel/sched/sched.h:39,
from kernel/sched/wait.c:7:
include/linux/blkdev.h:1895:41: warning: 'struct gendisk' declared inside parameter list will not be visible outside of this definition or declaration
1895 | unsigned long disk_start_io_acct(struct gendisk *disk, unsigned int sectors,
| ^~~~~~~
include/linux/blkdev.h:1897:30: warning: 'struct gendisk' declared inside parameter list will not be visible outside of this definition or declaration
1897 | void disk_end_io_acct(struct gendisk *disk, unsigned int op,
| ^~~~~~~
In file included from kernel/sched/sched.h:39,
from kernel/sched/deadline.c:18:
include/linux/blkdev.h:1895:41: warning: 'struct gendisk' declared inside parameter list will not be visible outside of this definition or declaration
1895 | unsigned long disk_start_io_acct(struct gendisk *disk, unsigned int sectors,
| ^~~~~~~
include/linux/blkdev.h:1897:30: warning: 'struct gendisk' declared inside parameter list will not be visible outside of this definition or declaration
1897 | void disk_end_io_acct(struct gendisk *disk, unsigned int op,
| ^~~~~~~
In file included from kernel/sched/sched.h:39,
from kernel/sched/completion.c:14:
include/linux/blkdev.h:1895:41: warning: 'struct gendisk' declared inside parameter list will not be visible outside of this definition or declaration
1895 | unsigned long disk_start_io_acct(struct gendisk *disk, unsigned int sectors,
| ^~~~~~~
include/linux/blkdev.h:1897:30: warning: 'struct gendisk' declared inside parameter list will not be visible outside of this definition or declaration
1897 | void disk_end_io_acct(struct gendisk *disk, unsigned int op,
| ^~~~~~~
In file included from fs/libfs.c:7:
include/linux/blkdev.h:1895:41: warning: 'struct gendisk' declared inside parameter list will not be visible outside of this definition or declaration
1895 | unsigned long disk_start_io_acct(struct gendisk *disk, unsigned int sectors,
| ^~~~~~~
include/linux/blkdev.h:1897:30: warning: 'struct gendisk' declared inside parameter list will not be visible outside of this definition or declaration
1897 | void disk_end_io_acct(struct gendisk *disk, unsigned int op,
| ^~~~~~~

Introduced by commit

956d510ee78c ("block: add disk/bio-based accounting helpers")

--
Cheers,
Stephen Rothwell

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