On 10/17/2012 10:19 PM, Yuanhan Liu wrote: > Hi Zach, > > FYI, kernel build failed on > > tree: git://github.com/kleikamp/linux-shaggy loop_v3 > head: b8ee8b4bb91520b2c4a1f567977a737e9e71c449 > commit: 9a9b1c625a5b11d9b90c0ee664eacde0aea6afeb [16/22] loop: use aio to perform io on the underlying file > config: x86_64-randconfig-x269 (attached as .config) > > All error/warnings: > > drivers/block/loop.c: In function 'lo_rw_aio': > drivers/block/loop.c:239:2: error: implicit declaration of function 'aio_kernel_alloc' [-Werror=implicit-function-declaration] > drivers/block/loop.c:239:7: warning: assignment makes pointer from integer without a cast [enabled by default] > drivers/block/loop.c:251:2: error: implicit declaration of function 'aio_kernel_init_iter' [-Werror=implicit-function-declaration] > drivers/block/loop.c:252:2: error: implicit declaration of function 'aio_kernel_init_callback' [-Werror=implicit-function-declaration] > drivers/block/loop.c:254:2: error: implicit declaration of function 'aio_kernel_submit' [-Werror=implicit-function-declaration] > cc1: some warnings being treated as errors I didn't even realize CONFIG_AIO existed and could be undefined. It's easy enough to put ifdef's around the new code. Thanks, Shaggy > vim +239 drivers/block/loop.c > > 9a9b1c62 From: Zach Brown 2012-10-15 233 unsigned short op; > 9a9b1c62 From: Zach Brown 2012-10-15 234 struct iov_iter iter; > 9a9b1c62 From: Zach Brown 2012-10-15 235 struct bio_vec *bvec; > 9a9b1c62 From: Zach Brown 2012-10-15 236 size_t nr_segs; > 9a9b1c62 From: Zach Brown 2012-10-15 237 loff_t pos = ((loff_t) bio->bi_sector << 9) + lo->lo_offset; > 9a9b1c62 From: Zach Brown 2012-10-15 238 > 9a9b1c62 From: Zach Brown 2012-10-15 @239 iocb = aio_kernel_alloc(GFP_NOIO); > 9a9b1c62 From: Zach Brown 2012-10-15 240 if (!iocb) > 9a9b1c62 From: Zach Brown 2012-10-15 241 return -ENOMEM; > 9a9b1c62 From: Zach Brown 2012-10-15 242 > > --- > 0-DAY kernel build testing backend Open Source Technology Center > Fengguang Wu, Yuanhan Liu Intel Corporation > -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
