tree: https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git dm-fallocate head: c79eaa33c66f54e2e41c12bc7de505365b43401d commit: e46671c1150b9ef7ba22d79ac14ff881fb611759 [9/22] block: invalidate the page cache when issuing BLKZEROOUT. config: x86_64-randconfig-x010-201615 (attached as .config) reproduce: git checkout e46671c1150b9ef7ba22d79ac14ff881fb611759 # save the attached .config to linux build tree make ARCH=x86_64 All error/warnings (new ones prefixed by >>): block/ioctl.c: In function 'blk_ioctl_zeroout': >> block/ioctl.c:266:20: error: 'PAGE_CACHE_SHIFT' undeclared (first use in this function) start >> PAGE_CACHE_SHIFT, ^ block/ioctl.c:266:20: note: each undeclared identifier is reported only once for each function it appears in >> block/ioctl.c:268:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ vim +/PAGE_CACHE_SHIFT +266 block/ioctl.c 260 261 /* 262 * Invalidate again; if someone wandered in and dirtied a page, 263 * the caller will be given -EBUSY. 264 */ 265 return invalidate_inode_pages2_range(mapping, > 266 start >> PAGE_CACHE_SHIFT, 267 end >> PAGE_CACHE_SHIFT); > 268 } 269 270 static int put_ushort(unsigned long arg, unsigned short val) 271 { --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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