Re: [PATCH 2/2] dm snap: add fake origin_direct_access

From: kbuild test robot
Date: Tue Jun 28 2016 - 16:28:08 EST


Hi,

[auto build test WARNING on dm/for-next]
[also build test WARNING on v4.7-rc5 next-20160628]
[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/Toshi-Kani/Support-DAX-for-device-mapper-dm-linear-devices/20160629-034110
base: https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git for-next
config: x86_64-lkp (attached as .config)
compiler: gcc-4.9 (Debian 4.9.3-14) 4.9.3
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64

All warnings (new ones prefixed by >>):

drivers/md/dm-snap.c:2370:2: error: unknown field 'direct_access' specified in initializer
.direct_access = origin_direct_access,
^
>> drivers/md/dm-snap.c:2370:2: warning: initialization from incompatible pointer type
drivers/md/dm-snap.c:2370:2: warning: (near initialization for 'origin_target.io_hints')

vim +2370 drivers/md/dm-snap.c

2354 struct dm_origin *o = ti->private;
2355
2356 return fn(ti, o->dev, 0, ti->len, data);
2357 }
2358
2359 static struct target_type origin_target = {
2360 .name = "snapshot-origin",
2361 .version = {1, 9, 0},
2362 .module = THIS_MODULE,
2363 .ctr = origin_ctr,
2364 .dtr = origin_dtr,
2365 .map = origin_map,
2366 .resume = origin_resume,
2367 .postsuspend = origin_postsuspend,
2368 .status = origin_status,
2369 .iterate_devices = origin_iterate_devices,
> 2370 .direct_access = origin_direct_access,
2371 };
2372
2373 static struct target_type snapshot_target = {
2374 .name = "snapshot",
2375 .version = {1, 15, 0},
2376 .module = THIS_MODULE,
2377 .ctr = snapshot_ctr,
2378 .dtr = snapshot_dtr,

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