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Message-ID: <202107302055.2msbkb0w-lkp@intel.com>
Date: Fri, 30 Jul 2021 20:32:04 +0800
From: kernel test robot <lkp@...el.com>
To: Christoph Hellwig <hch@....de>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [hch-misc:dax-support-cleanups 6/7] include/linux/dax.h:125:36:
warning: passing argument 2 of '__bdev_dax_supported' makes pointer from
integer without a cast
tree: git://git.infradead.org/users/hch/misc.git dax-support-cleanups
head: 109fe091fac0e3958ba459e292f22f6b60eb39f0
commit: 6ee1cc412315e2a92aa1b6b57e349f84ec4b1168 [6/7] dax: pass the dax_device to bdev_dax_supported
config: i386-buildonly-randconfig-r002-20210730 (attached as .config)
compiler: gcc-10 (Ubuntu 10.3.0-1ubuntu1~20.04) 10.3.0
reproduce (this is a W=1 build):
git remote add hch-misc git://git.infradead.org/users/hch/misc.git
git fetch --no-tags hch-misc dax-support-cleanups
git checkout 6ee1cc412315e2a92aa1b6b57e349f84ec4b1168
# save the attached .config to linux build tree
make W=1 ARCH=i386
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
In file included from include/linux/mempolicy.h:11,
from include/linux/migrate.h:6,
from kernel/sched/sched.h:54,
from kernel/sched/core.c:13:
include/linux/dax.h: In function 'bdev_dax_supported':
include/linux/dax.h:125:30: error: passing argument 1 of '__bdev_dax_supported' from incompatible pointer type [-Werror=incompatible-pointer-types]
125 | return __bdev_dax_supported(bdev, blocksize);
| ^~~~
| |
| struct block_device *
include/linux/dax.h:120:46: note: expected 'struct dax_device *' but argument is of type 'struct block_device *'
120 | bool __bdev_dax_supported(struct dax_device *dax_dev, struct block_device *bdev,
| ~~~~~~~~~~~~~~~~~~~^~~~~~~
>> include/linux/dax.h:125:36: warning: passing argument 2 of '__bdev_dax_supported' makes pointer from integer without a cast [-Wint-conversion]
125 | return __bdev_dax_supported(bdev, blocksize);
| ^~~~~~~~~
| |
| int
include/linux/dax.h:120:76: note: expected 'struct block_device *' but argument is of type 'int'
120 | bool __bdev_dax_supported(struct dax_device *dax_dev, struct block_device *bdev,
| ~~~~~~~~~~~~~~~~~~~~~^~~~
include/linux/dax.h:125:9: error: too few arguments to function '__bdev_dax_supported'
125 | return __bdev_dax_supported(bdev, blocksize);
| ^~~~~~~~~~~~~~~~~~~~
include/linux/dax.h:120:6: note: declared here
120 | bool __bdev_dax_supported(struct dax_device *dax_dev, struct block_device *bdev,
| ^~~~~~~~~~~~~~~~~~~~
kernel/sched/core.c: In function 'ttwu_stat':
kernel/sched/core.c:3270:13: warning: variable 'rq' set but not used [-Wunused-but-set-variable]
3270 | struct rq *rq;
| ^~
cc1: some warnings being treated as errors
--
In file included from include/linux/mempolicy.h:11,
from include/linux/migrate.h:6,
from kernel/sched/sched.h:54,
from kernel/sched/loadavg.c:9:
include/linux/dax.h: In function 'bdev_dax_supported':
include/linux/dax.h:125:30: error: passing argument 1 of '__bdev_dax_supported' from incompatible pointer type [-Werror=incompatible-pointer-types]
125 | return __bdev_dax_supported(bdev, blocksize);
| ^~~~
| |
| struct block_device *
include/linux/dax.h:120:46: note: expected 'struct dax_device *' but argument is of type 'struct block_device *'
120 | bool __bdev_dax_supported(struct dax_device *dax_dev, struct block_device *bdev,
| ~~~~~~~~~~~~~~~~~~~^~~~~~~
>> include/linux/dax.h:125:36: warning: passing argument 2 of '__bdev_dax_supported' makes pointer from integer without a cast [-Wint-conversion]
125 | return __bdev_dax_supported(bdev, blocksize);
| ^~~~~~~~~
| |
| int
include/linux/dax.h:120:76: note: expected 'struct block_device *' but argument is of type 'int'
120 | bool __bdev_dax_supported(struct dax_device *dax_dev, struct block_device *bdev,
| ~~~~~~~~~~~~~~~~~~~~~^~~~
include/linux/dax.h:125:9: error: too few arguments to function '__bdev_dax_supported'
125 | return __bdev_dax_supported(bdev, blocksize);
| ^~~~~~~~~~~~~~~~~~~~
include/linux/dax.h:120:6: note: declared here
120 | bool __bdev_dax_supported(struct dax_device *dax_dev, struct block_device *bdev,
| ^~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
--
In file included from include/linux/mempolicy.h:11,
from include/linux/migrate.h:6,
from kernel/sched/sched.h:54,
from kernel/sched/fair.c:23:
include/linux/dax.h: In function 'bdev_dax_supported':
include/linux/dax.h:125:30: error: passing argument 1 of '__bdev_dax_supported' from incompatible pointer type [-Werror=incompatible-pointer-types]
125 | return __bdev_dax_supported(bdev, blocksize);
| ^~~~
| |
| struct block_device *
include/linux/dax.h:120:46: note: expected 'struct dax_device *' but argument is of type 'struct block_device *'
120 | bool __bdev_dax_supported(struct dax_device *dax_dev, struct block_device *bdev,
| ~~~~~~~~~~~~~~~~~~~^~~~~~~
>> include/linux/dax.h:125:36: warning: passing argument 2 of '__bdev_dax_supported' makes pointer from integer without a cast [-Wint-conversion]
125 | return __bdev_dax_supported(bdev, blocksize);
| ^~~~~~~~~
| |
| int
include/linux/dax.h:120:76: note: expected 'struct block_device *' but argument is of type 'int'
120 | bool __bdev_dax_supported(struct dax_device *dax_dev, struct block_device *bdev,
| ~~~~~~~~~~~~~~~~~~~~~^~~~
include/linux/dax.h:125:9: error: too few arguments to function '__bdev_dax_supported'
125 | return __bdev_dax_supported(bdev, blocksize);
| ^~~~~~~~~~~~~~~~~~~~
include/linux/dax.h:120:6: note: declared here
120 | bool __bdev_dax_supported(struct dax_device *dax_dev, struct block_device *bdev,
| ^~~~~~~~~~~~~~~~~~~~
kernel/sched/fair.c: At top level:
kernel/sched/fair.c:5438:6: warning: no previous prototype for 'init_cfs_bandwidth' [-Wmissing-prototypes]
5438 | void init_cfs_bandwidth(struct cfs_bandwidth *cfs_b) {}
| ^~~~~~~~~~~~~~~~~~
kernel/sched/fair.c:11457:6: warning: no previous prototype for 'free_fair_sched_group' [-Wmissing-prototypes]
11457 | void free_fair_sched_group(struct task_group *tg) { }
| ^~~~~~~~~~~~~~~~~~~~~
kernel/sched/fair.c:11459:5: warning: no previous prototype for 'alloc_fair_sched_group' [-Wmissing-prototypes]
11459 | int alloc_fair_sched_group(struct task_group *tg, struct task_group *parent)
| ^~~~~~~~~~~~~~~~~~~~~~
kernel/sched/fair.c:11464:6: warning: no previous prototype for 'online_fair_sched_group' [-Wmissing-prototypes]
11464 | void online_fair_sched_group(struct task_group *tg) { }
| ^~~~~~~~~~~~~~~~~~~~~~~
kernel/sched/fair.c:11466:6: warning: no previous prototype for 'unregister_fair_sched_group' [-Wmissing-prototypes]
11466 | void unregister_fair_sched_group(struct task_group *tg) { }
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
--
In file included from include/linux/mempolicy.h:11,
from include/linux/migrate.h:6,
from kernel/sched/sched.h:54,
from kernel/sched/rt.c:6:
include/linux/dax.h: In function 'bdev_dax_supported':
include/linux/dax.h:125:30: error: passing argument 1 of '__bdev_dax_supported' from incompatible pointer type [-Werror=incompatible-pointer-types]
125 | return __bdev_dax_supported(bdev, blocksize);
| ^~~~
| |
| struct block_device *
include/linux/dax.h:120:46: note: expected 'struct dax_device *' but argument is of type 'struct block_device *'
120 | bool __bdev_dax_supported(struct dax_device *dax_dev, struct block_device *bdev,
| ~~~~~~~~~~~~~~~~~~~^~~~~~~
>> include/linux/dax.h:125:36: warning: passing argument 2 of '__bdev_dax_supported' makes pointer from integer without a cast [-Wint-conversion]
125 | return __bdev_dax_supported(bdev, blocksize);
| ^~~~~~~~~
| |
| int
include/linux/dax.h:120:76: note: expected 'struct block_device *' but argument is of type 'int'
120 | bool __bdev_dax_supported(struct dax_device *dax_dev, struct block_device *bdev,
| ~~~~~~~~~~~~~~~~~~~~~^~~~
include/linux/dax.h:125:9: error: too few arguments to function '__bdev_dax_supported'
125 | return __bdev_dax_supported(bdev, blocksize);
| ^~~~~~~~~~~~~~~~~~~~
include/linux/dax.h:120:6: note: declared here
120 | bool __bdev_dax_supported(struct dax_device *dax_dev, struct block_device *bdev,
| ^~~~~~~~~~~~~~~~~~~~
kernel/sched/rt.c: At top level:
kernel/sched/rt.c:253:6: warning: no previous prototype for 'free_rt_sched_group' [-Wmissing-prototypes]
253 | void free_rt_sched_group(struct task_group *tg) { }
| ^~~~~~~~~~~~~~~~~~~
kernel/sched/rt.c:255:5: warning: no previous prototype for 'alloc_rt_sched_group' [-Wmissing-prototypes]
255 | int alloc_rt_sched_group(struct task_group *tg, struct task_group *parent)
| ^~~~~~~~~~~~~~~~~~~~
kernel/sched/rt.c:669:6: warning: no previous prototype for 'sched_rt_bandwidth_account' [-Wmissing-prototypes]
669 | bool sched_rt_bandwidth_account(struct rt_rq *rt_rq)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
--
In file included from include/linux/mempolicy.h:11,
from include/linux/migrate.h:6,
from kernel/sched/sched.h:54,
from kernel/sched/psi.c:146:
include/linux/dax.h: In function 'bdev_dax_supported':
include/linux/dax.h:125:30: error: passing argument 1 of '__bdev_dax_supported' from incompatible pointer type [-Werror=incompatible-pointer-types]
125 | return __bdev_dax_supported(bdev, blocksize);
| ^~~~
| |
| struct block_device *
include/linux/dax.h:120:46: note: expected 'struct dax_device *' but argument is of type 'struct block_device *'
120 | bool __bdev_dax_supported(struct dax_device *dax_dev, struct block_device *bdev,
| ~~~~~~~~~~~~~~~~~~~^~~~~~~
>> include/linux/dax.h:125:36: warning: passing argument 2 of '__bdev_dax_supported' makes pointer from integer without a cast [-Wint-conversion]
125 | return __bdev_dax_supported(bdev, blocksize);
| ^~~~~~~~~
| |
| int
include/linux/dax.h:120:76: note: expected 'struct block_device *' but argument is of type 'int'
120 | bool __bdev_dax_supported(struct dax_device *dax_dev, struct block_device *bdev,
| ~~~~~~~~~~~~~~~~~~~~~^~~~
include/linux/dax.h:125:9: error: too few arguments to function '__bdev_dax_supported'
125 | return __bdev_dax_supported(bdev, blocksize);
| ^~~~~~~~~~~~~~~~~~~~
include/linux/dax.h:120:6: note: declared here
120 | bool __bdev_dax_supported(struct dax_device *dax_dev, struct block_device *bdev,
| ^~~~~~~~~~~~~~~~~~~~
kernel/sched/psi.c: At top level:
kernel/sched/psi.c:1112:21: warning: no previous prototype for 'psi_trigger_create' [-Wmissing-prototypes]
1112 | struct psi_trigger *psi_trigger_create(struct psi_group *group,
| ^~~~~~~~~~~~~~~~~~
kernel/sched/psi.c:1246:6: warning: no previous prototype for 'psi_trigger_replace' [-Wmissing-prototypes]
1246 | void psi_trigger_replace(void **trigger_ptr, struct psi_trigger *new)
| ^~~~~~~~~~~~~~~~~~~
kernel/sched/psi.c:1258:10: warning: no previous prototype for 'psi_trigger_poll' [-Wmissing-prototypes]
1258 | __poll_t psi_trigger_poll(void **trigger_ptr,
| ^~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +/__bdev_dax_supported +125 include/linux/dax.h
f5705aa8cfed14 Dan Williams 2017-05-13 116
f44c77630d26ca Dan Williams 2018-03-07 117 struct writeback_control;
ef51042472f55b Dan Williams 2017-05-08 118 int bdev_dax_pgoff(struct block_device *, sector_t, size_t, pgoff_t *pgoff);
ef51042472f55b Dan Williams 2017-05-08 119 #if IS_ENABLED(CONFIG_FS_DAX)
6ee1cc412315e2 Christoph Hellwig 2021-07-30 120 bool __bdev_dax_supported(struct dax_device *dax_dev, struct block_device *bdev,
6ee1cc412315e2 Christoph Hellwig 2021-07-30 121 int blocksize);
6ee1cc412315e2 Christoph Hellwig 2021-07-30 122 static inline bool bdev_dax_supported(struct dax_device *dax_dev,
6ee1cc412315e2 Christoph Hellwig 2021-07-30 123 struct block_device *bdev, int blocksize)
ef51042472f55b Dan Williams 2017-05-08 124 {
ba23cba9b3bdc9 Darrick J. Wong 2018-05-30 @125 return __bdev_dax_supported(bdev, blocksize);
ef51042472f55b Dan Williams 2017-05-08 126 }
f5705aa8cfed14 Dan Williams 2017-05-13 127
:::::: The code at line 125 was first introduced by commit
:::::: ba23cba9b3bdc967aabdc6ff1e3e9b11ce05bb4f fs: allow per-device dax status checking for filesystems
:::::: TO: Darrick J. Wong <darrick.wong@...cle.com>
:::::: CC: Darrick J. Wong <darrick.wong@...cle.com>
---
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https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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