Re: [PATCH v4 1/1] DM: inplace compressed DM target

From: kbuild test robot
Date: Mon Feb 13 2017 - 19:17:17 EST


Hi Ram,

[auto build test WARNING on dm/for-next]
[also build test WARNING on v4.10-rc8 next-20170213]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Ram-Pai/DM-inplace-compressed-DM-target/20170214-055727
base: https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git for-next
config: m68k-allmodconfig (attached as .config)
compiler: m68k-linux-gcc (GCC) 4.9.0
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=m68k

All warnings (new ones prefixed by >>):

drivers/md/dm-inplace-compress.c: In function 'dm_icomp_status':
>> drivers/md/dm-inplace-compress.c:2096:3: warning: format '%ld' expects argument of type 'long int', but argument 4 has type 'long long int' [-Wformat=]
DMEMIT("%ld %ld %ld",
^
drivers/md/dm-inplace-compress.c:2096:3: warning: format '%ld' expects argument of type 'long int', but argument 5 has type 'long long int' [-Wformat=]
drivers/md/dm-inplace-compress.c:2096:3: warning: format '%ld' expects argument of type 'long int', but argument 6 has type 'long long int' [-Wformat=]

vim +2096 drivers/md/dm-inplace-compress.c

2080 req->locked_locks = 0;
2081
2082 req->cpu = raw_smp_processor_id();
2083 dm_icomp_queue_req(info, req);
2084
2085 return DM_MAPIO_SUBMITTED;
2086 }
2087
2088 static void dm_icomp_status(struct dm_target *ti, status_type_t type,
2089 unsigned int status_flags, char *result, unsigned int maxlen)
2090 {
2091 struct dm_icomp_info *info = ti->private;
2092 unsigned int sz = 0;
2093
2094 switch (type) {
2095 case STATUSTYPE_INFO:
> 2096 DMEMIT("%ld %ld %ld",
2097 atomic64_read(&info->uncompressed_write_size),
2098 atomic64_read(&info->compressed_write_size),
2099 atomic64_read(&info->meta_write_size));
2100 break;
2101 case STATUSTYPE_TABLE:
2102 if (info->write_mode == DMCP_WRITE_BACK)
2103 DMEMIT("%s %s:%d %s:%s %s:%d", info->dev->name,
2104 "writeback", info->writeback_delay,

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