Hi Jan, [auto build test WARNING on linus/master] [also build test WARNING on v4.12-rc3] [cannot apply to next-20170601] [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/Jan-Kara/pagevec-API-cleanups/20170601-200653 config: x86_64-randconfig-x019-201722 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): fs//f2fs/checkpoint.c: In function 'sync_meta_pages': >> fs//f2fs/checkpoint.c:313:5: warning: suggest parentheses around assignment >> used as truth value [-Wparentheses] PAGECACHE_TAG_DIRTY, PAGEVEC_SIZE)) { ^~~~~~~~~~~~~~~~~~~ -- fs//f2fs/node.c: In function 'last_fsync_dnode': >> fs//f2fs/node.c:1271:5: warning: suggest parentheses around assignment used >> as truth value [-Wparentheses] PAGECACHE_TAG_DIRTY, PAGEVEC_SIZE)) { ^~~~~~~~~~~~~~~~~~~ fs//f2fs/node.c: In function 'fsync_node_pages': fs//f2fs/node.c:1421:5: warning: suggest parentheses around assignment used as truth value [-Wparentheses] PAGECACHE_TAG_DIRTY, PAGEVEC_SIZE)) { ^~~~~~~~~~~~~~~~~~~ fs//f2fs/node.c: In function 'sync_node_pages': fs//f2fs/node.c:1533:5: warning: suggest parentheses around assignment used as truth value [-Wparentheses] PAGECACHE_TAG_DIRTY, PAGEVEC_SIZE)) { ^~~~~~~~~~~~~~~~~~~ fs//f2fs/node.c: In function 'wait_on_node_pages_writeback': fs//f2fs/node.c:1630:5: warning: suggest parentheses around assignment used as truth value [-Wparentheses] PAGECACHE_TAG_WRITEBACK, PAGEVEC_SIZE)) { ^~~~~~~~~~~~~~~~~~~~~~~ vim +313 fs//f2fs/checkpoint.c 297 { 298 struct address_space *mapping = META_MAPPING(sbi); 299 pgoff_t index = 0, prev = ULONG_MAX; 300 struct pagevec pvec; 301 long nwritten = 0; 302 int nr_pages; 303 struct writeback_control wbc = { 304 .for_reclaim = 0, 305 }; 306 struct blk_plug plug; 307 308 pagevec_init(&pvec, 0); 309 310 blk_start_plug(&plug); 311 312 while (nr_pages = pagevec_lookup_tag(&pvec, mapping, &index, > 313 PAGECACHE_TAG_DIRTY, PAGEVEC_SIZE)) { 314 int i; 315 316 for (i = 0; i < nr_pages; i++) { 317 struct page *page = pvec.pages[i]; 318 319 if (prev == ULONG_MAX) 320 prev = page->index - 1; 321 if (nr_to_write != LONG_MAX && page->index != prev + 1) { --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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