tree: https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git for-next head: ec9fab4b1951f0ae4d0e8492fcd4b402a7b499e2 commit: cf83a95f5e14f95a5cce73d3acea5c06c6a94adb [10/13] dm: add writecache target config: x86_64-randconfig-x016-201820 (attached as .config) compiler: gcc-7 (Debian 7.3.0-16) 7.3.0 reproduce: git checkout cf83a95f5e14f95a5cce73d3acea5c06c6a94adb # save the attached .config to linux build tree make ARCH=x86_64
All warnings (new ones prefixed by >>):
In file included from drivers/md/dm-writecache.c:7:0:
drivers/md/dm-writecache.c: In function 'writecache_status':
>> drivers/md/dm-writecache.c:2301:10: warning: format '%ld' expects argument
>> of type 'long int', but argument 4 has type 'int' [-Wformat=]
DMEMIT("%ld %llu %llu %llu", writecache_has_error(wc),
^
include/linux/device-mapper.h:549:46: note: in definition of macro 'DMEMIT'
0 : scnprintf(result + sz, maxlen - sz, x))
^
vim +2301 drivers/md/dm-writecache.c
2290
2291 static void writecache_status(struct dm_target *ti, status_type_t type,
2292 unsigned status_flags, char *result,
unsigned maxlen)
2293 {
2294 struct dm_writecache *wc = ti->private;
2295 unsigned extra_args;
2296 unsigned sz = 0;
2297 uint64_t x;
2298
2299 switch (type) {
2300 case STATUSTYPE_INFO:
> 2301 DMEMIT("%ld %llu %llu %llu", writecache_has_error(wc),
2302 (unsigned long long)wc->n_blocks, (unsigned long
long)wc->freelist_size,
2303 (unsigned long long)wc->writeback_size);
2304 break;
2305 case STATUSTYPE_TABLE:
2306 DMEMIT("%c %s %s %u ", WC_MODE_PMEM(wc) ? 'p' : 's',
2307 wc->dev->name, wc->ssd_dev->name,
wc->block_size);
2308 extra_args = 0;
2309 if (wc->high_wm_percent_set)
2310 extra_args += 2;
2311 if (wc->low_wm_percent_set)
2312 extra_args += 2;
2313 if (wc->max_writeback_jobs_set)
2314 extra_args += 2;
2315 if (wc->autocommit_blocks_set)
2316 extra_args += 2;
2317 if (wc->autocommit_time_set)
2318 extra_args += 2;
2319 #ifndef DM_WRITECACHE_ONLY_SSD
2320 if (wc->writeback_fua_set)
2321 extra_args++;
2322 #endif
2323 DMEMIT("%u", extra_args);
2324 if (wc->high_wm_percent_set) {
2325 x = (uint64_t)wc->freelist_high_watermark * 100;
2326 x += wc->n_blocks / 2;
2327 do_div(x, (size_t)wc->n_blocks);
2328 DMEMIT(" high_watermark %u", 100 - (unsigned)x);
2329 }
2330 if (wc->low_wm_percent_set) {
2331 x = (uint64_t)wc->freelist_low_watermark * 100;
2332 x += wc->n_blocks / 2;
2333 do_div(x, (size_t)wc->n_blocks);
2334 DMEMIT(" low_watermark %u", 100 - (unsigned)x);
2335 }
2336 if (wc->max_writeback_jobs_set) {
2337 DMEMIT(" writeback_jobs %u",
wc->max_writeback_jobs);
2338 }
2339 if (wc->autocommit_blocks_set) {
2340 DMEMIT(" autocommit_blocks %u",
wc->autocommit_blocks);
2341 }
2342 if (wc->autocommit_time_set) {
2343 DMEMIT(" autocommit_time %u",
jiffies_to_msecs(wc->autocommit_jiffies));
2344 }
2345 #ifndef DM_WRITECACHE_ONLY_SSD
2346 if (wc->writeback_fua_set) {
2347 DMEMIT(" %sfua", wc->writeback_fua ? "" : "no");
2348 }
2349 #endif
2350 break;
2351 }
2352 }
2353
---
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https://lists.01.org/pipermail/kbuild-all Intel Corporation
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