tree: https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git dm-fallocate head: c79eaa33c66f54e2e41c12bc7de505365b43401d commit: 3443026307e452c76f32d913c2c335b864c34a0d [11/22] block: implement (some of) fallocate for block devices config: x86_64-randconfig-x010-201615 (attached as .config) reproduce: git checkout 3443026307e452c76f32d913c2c335b864c34a0d # save the attached .config to linux build tree make ARCH=x86_64 All error/warnings (new ones prefixed by >>): fs/block_dev.c: In function 'blkdev_fallocate': >> fs/block_dev.c:1856:20: error: 'PAGE_CACHE_SHIFT' undeclared (first use in this function) start >> PAGE_CACHE_SHIFT, ^ fs/block_dev.c:1856:20: note: each undeclared identifier is reported only once for each function it appears in >> fs/block_dev.c:1858:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ vim +/PAGE_CACHE_SHIFT +1856 fs/block_dev.c 1850 1851 /* 1852 * Invalidate again; if someone wandered in and dirtied a page, 1853 * the caller will be given -EBUSY; 1854 */ 1855 return invalidate_inode_pages2_range(mapping, > 1856 start >> PAGE_CACHE_SHIFT, 1857 end >> PAGE_CACHE_SHIFT); > 1858 } 1859 EXPORT_SYMBOL_GPL(blkdev_fallocate); 1860 1861 const struct file_operations def_blk_fops = { --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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