Re: [PATCH] dm stripe: add DAX support

From: kbuild test robot
Date: Fri Jun 24 2016 - 16:01:09 EST


Hi,

[auto build test ERROR on dm/for-next]
[also build test ERROR on v4.7-rc4 next-20160624]
[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/dm-stripe-add-DAX-support/20160625-022600
base: https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git for-next
config: x86_64-randconfig-s5-06250328 (attached as .config)
compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64

All error/warnings (new ones prefixed by >>):

>> drivers/md/dm-stripe.c:452:2: error: unknown field 'direct_access' specified in initializer
.direct_access = stripe_direct_access,
^
>> drivers/md/dm-stripe.c:452:19: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types]
.direct_access = stripe_direct_access,
^~~~~~~~~~~~~~~~~~~~
drivers/md/dm-stripe.c:452:19: note: (near initialization for 'stripe_target.list.next')
>> drivers/md/dm-stripe.c:441:43: warning: missing braces around initializer [-Wmissing-braces]
static struct target_type stripe_target = {
^
drivers/md/dm-stripe.c:441:43: note: (near initialization for 'stripe_target')
cc1: some warnings being treated as errors

vim +/direct_access +452 drivers/md/dm-stripe.c

435 unsigned chunk_size = sc->chunk_size << SECTOR_SHIFT;
436
437 blk_limits_io_min(limits, chunk_size);
438 blk_limits_io_opt(limits, chunk_size * sc->stripes);
439 }
440
> 441 static struct target_type stripe_target = {
442 .name = "striped",
443 .version = {1, 5, 1},
444 .module = THIS_MODULE,
445 .ctr = stripe_ctr,
446 .dtr = stripe_dtr,
447 .map = stripe_map,
448 .end_io = stripe_end_io,
449 .status = stripe_status,
450 .iterate_devices = stripe_iterate_devices,
451 .io_hints = stripe_io_hints,
> 452 .direct_access = stripe_direct_access,
453 };
454
455 int __init dm_stripe_init(void)

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