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Wed, 02 Mar 2022 23:00:57 +0000 Date: Thu, 3 Mar 2022 07:00:54 +0800 From: kernel test robot To: Badhri Jagan Sridharan Cc: kbuild-all@lists.01.org, GNU/Weeb Mailing List , linux-kernel@vger.kernel.org, Amit Pundir Subject: [ammarfaizi2-block:google/android/kernel/common/deprecated/android-4.14-p-release 75/6167] drivers/md/dm-linear.c:104:5: warning: no previous declaration for 'dm_linear_end_io' Message-ID: <202203030654.25RQedXH-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Badhri, FYI, the error/warning still remains. tree: https://github.com/ammarfaizi2/linux-block google/android/kernel/common/deprecated/android-4.14-p-release head: 0ca5d5ac9152d01b3494fb2efb5390319eb9904a commit: 539de6b39dcce96f93d6bb19439d00f870f8fa3a [75/6167] ANDROID: dm: android-verity: rebase for 4.9 config: i386-randconfig-r024-20211019 (https://download.01.org/0day-ci/archive/20220303/202203030654.25RQedXH-lkp@intel.com/config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce (this is a W=1 build): # https://github.com/ammarfaizi2/linux-block/commit/539de6b39dcce96f93d6bb19439d00f870f8fa3a git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block git fetch --no-tags ammarfaizi2-block google/android/kernel/common/deprecated/android-4.14-p-release git checkout 539de6b39dcce96f93d6bb19439d00f870f8fa3a # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/md/ kernel/cgroup/ kernel/sched/ kernel/trace/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): drivers/md/dm-linear.c:29:5: warning: no previous declaration for 'dm_linear_ctr' [-Wmissing-declarations] int dm_linear_ctr(struct dm_target *ti, unsigned int argc, char **argv) ^~~~~~~~~~~~~ drivers/md/dm-linear.c:72:6: warning: no previous declaration for 'dm_linear_dtr' [-Wmissing-declarations] void dm_linear_dtr(struct dm_target *ti) ^~~~~~~~~~~~~ drivers/md/dm-linear.c:97:5: warning: no previous declaration for 'dm_linear_map' [-Wmissing-declarations] int dm_linear_map(struct dm_target *ti, struct bio *bio) ^~~~~~~~~~~~~ >> drivers/md/dm-linear.c:104:5: warning: no previous declaration for 'dm_linear_end_io' [-Wmissing-declarations] int dm_linear_end_io(struct dm_target *ti, struct bio *bio, ^~~~~~~~~~~~~~~~ drivers/md/dm-linear.c:116:6: warning: no previous declaration for 'dm_linear_status' [-Wmissing-declarations] void dm_linear_status(struct dm_target *ti, status_type_t type, ^~~~~~~~~~~~~~~~ drivers/md/dm-linear.c:133:5: warning: no previous declaration for 'dm_linear_prepare_ioctl' [-Wmissing-declarations] int dm_linear_prepare_ioctl(struct dm_target *ti, ^~~~~~~~~~~~~~~~~~~~~~~ drivers/md/dm-linear.c:150:5: warning: no previous declaration for 'dm_linear_iterate_devices' [-Wmissing-declarations] int dm_linear_iterate_devices(struct dm_target *ti, ^~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/md/dm-linear.c:158:6: warning: no previous declaration for 'dm_linear_dax_direct_access' [-Wmissing-declarations] long dm_linear_dax_direct_access(struct dm_target *ti, pgoff_t pgoff, ^~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/md/dm-linear.c:175:8: warning: no previous declaration for 'dm_linear_dax_copy_from_iter' [-Wmissing-declarations] size_t dm_linear_dax_copy_from_iter(struct dm_target *ti, pgoff_t pgoff, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/dm_linear_end_io +104 drivers/md/dm-linear.c 103 > 104 int dm_linear_end_io(struct dm_target *ti, struct bio *bio, 105 blk_status_t *error) 106 { 107 struct linear_c *lc = ti->private; 108 109 if (!*error && bio_op(bio) == REQ_OP_ZONE_REPORT) 110 dm_remap_zone_report(ti, bio, lc->start); 111 112 return DM_ENDIO_DONE; 113 } 114 EXPORT_SYMBOL_GPL(dm_linear_end_io); 115 116 void dm_linear_status(struct dm_target *ti, status_type_t type, 117 unsigned status_flags, char *result, unsigned maxlen) 118 { 119 struct linear_c *lc = (struct linear_c *) ti->private; 120 121 switch (type) { 122 case STATUSTYPE_INFO: 123 result[0] = '\0'; 124 break; 125 126 case STATUSTYPE_TABLE: 127 snprintf(result, maxlen, "%s %llu", lc->dev->name, 128 (unsigned long long)lc->start); 129 break; 130 } 131 } 132 133 int dm_linear_prepare_ioctl(struct dm_target *ti, 134 struct block_device **bdev, fmode_t *mode) 135 { 136 struct linear_c *lc = (struct linear_c *) ti->private; 137 struct dm_dev *dev = lc->dev; 138 139 *bdev = dev->bdev; 140 141 /* 142 * Only pass ioctls through if the device sizes match exactly. 143 */ 144 if (lc->start || 145 ti->len != i_size_read(dev->bdev->bd_inode) >> SECTOR_SHIFT) 146 return 1; 147 return 0; 148 } 149 150 int dm_linear_iterate_devices(struct dm_target *ti, 151 iterate_devices_callout_fn fn, void *data) 152 { 153 struct linear_c *lc = ti->private; 154 155 return fn(ti, lc->dev, lc->start, ti->len, data); 156 } 157 > 158 long dm_linear_dax_direct_access(struct dm_target *ti, pgoff_t pgoff, 159 long nr_pages, void **kaddr, pfn_t *pfn) 160 { 161 long ret; 162 struct linear_c *lc = ti->private; 163 struct block_device *bdev = lc->dev->bdev; 164 struct dax_device *dax_dev = lc->dev->dax_dev; 165 sector_t dev_sector, sector = pgoff * PAGE_SECTORS; 166 167 dev_sector = linear_map_sector(ti, sector); 168 ret = bdev_dax_pgoff(bdev, dev_sector, nr_pages * PAGE_SIZE, &pgoff); 169 if (ret) 170 return ret; 171 return dax_direct_access(dax_dev, pgoff, nr_pages, kaddr, pfn); 172 } 173 EXPORT_SYMBOL_GPL(dm_linear_dax_direct_access); 174 > 175 size_t dm_linear_dax_copy_from_iter(struct dm_target *ti, pgoff_t pgoff, 176 void *addr, size_t bytes, struct iov_iter *i) 177 { 178 struct linear_c *lc = ti->private; 179 struct block_device *bdev = lc->dev->bdev; 180 struct dax_device *dax_dev = lc->dev->dax_dev; 181 sector_t dev_sector, sector = pgoff * PAGE_SECTORS; 182 183 dev_sector = linear_map_sector(ti, sector); 184 if (bdev_dax_pgoff(bdev, dev_sector, ALIGN(bytes, PAGE_SIZE), &pgoff)) 185 return 0; 186 return dax_copy_from_iter(dax_dev, pgoff, addr, bytes, i); 187 } 188 EXPORT_SYMBOL_GPL(dm_linear_dax_copy_from_iter); 189 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org