[kbuild-all] [axboe-block:block-5.16 5/5] block/blk-ia-ranges.c:119: warning: expecting prototype for disk_register_independent_access__ranges(). Prototype was for disk_register_independent_access_ranges() instead

tree: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git block-5.16 head: 68636e242d45453d48a7d30a18a49f80d4ae08c0 commit: 68636e242d45453d48a7d30a18a49f80d4ae08c0 [5/5] block: fix kerneldoc for disk_register_independent_access__ranges() config: ia64-defconfig (attached as .config) compiler: ia64-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git/com... git remote add axboe-block https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git git fetch --no-tags axboe-block block-5.16 git checkout 68636e242d45453d48a7d30a18a49f80d4ae08c0 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=ia64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): vim +119 block/blk-ia-ranges.c a2247f19ee1c5a Damien Le Moal 2021-10-27 105 a2247f19ee1c5a Damien Le Moal 2021-10-27 106 /** 68636e242d4545 Jens Axboe 2021-11-10 107 * disk_register_independent_access__ranges - register with sysfs a set of 68636e242d4545 Jens Axboe 2021-11-10 108 * independent access ranges a2247f19ee1c5a Damien Le Moal 2021-10-27 109 * @disk: Target disk a2247f19ee1c5a Damien Le Moal 2021-10-27 110 * @new_iars: New set of independent access ranges a2247f19ee1c5a Damien Le Moal 2021-10-27 111 * a2247f19ee1c5a Damien Le Moal 2021-10-27 112 * Register with sysfs a set of independent access ranges for @disk. a2247f19ee1c5a Damien Le Moal 2021-10-27 113 * If @new_iars is not NULL, this set of ranges is registered and the old set a2247f19ee1c5a Damien Le Moal 2021-10-27 114 * specified by q->ia_ranges is unregistered. Otherwise, q->ia_ranges is a2247f19ee1c5a Damien Le Moal 2021-10-27 115 * registered if it is not already. a2247f19ee1c5a Damien Le Moal 2021-10-27 116 */ a2247f19ee1c5a Damien Le Moal 2021-10-27 117 int disk_register_independent_access_ranges(struct gendisk *disk, a2247f19ee1c5a Damien Le Moal 2021-10-27 118 struct blk_independent_access_ranges *new_iars) a2247f19ee1c5a Damien Le Moal 2021-10-27 @119 { a2247f19ee1c5a Damien Le Moal 2021-10-27 120 struct request_queue *q = disk->queue; a2247f19ee1c5a Damien Le Moal 2021-10-27 121 struct blk_independent_access_ranges *iars; a2247f19ee1c5a Damien Le Moal 2021-10-27 122 int i, ret; a2247f19ee1c5a Damien Le Moal 2021-10-27 123 a2247f19ee1c5a Damien Le Moal 2021-10-27 124 lockdep_assert_held(&q->sysfs_dir_lock); a2247f19ee1c5a Damien Le Moal 2021-10-27 125 lockdep_assert_held(&q->sysfs_lock); a2247f19ee1c5a Damien Le Moal 2021-10-27 126 a2247f19ee1c5a Damien Le Moal 2021-10-27 127 /* If a new range set is specified, unregister the old one */ a2247f19ee1c5a Damien Le Moal 2021-10-27 128 if (new_iars) { a2247f19ee1c5a Damien Le Moal 2021-10-27 129 if (q->ia_ranges) a2247f19ee1c5a Damien Le Moal 2021-10-27 130 disk_unregister_independent_access_ranges(disk); a2247f19ee1c5a Damien Le Moal 2021-10-27 131 q->ia_ranges = new_iars; a2247f19ee1c5a Damien Le Moal 2021-10-27 132 } a2247f19ee1c5a Damien Le Moal 2021-10-27 133 a2247f19ee1c5a Damien Le Moal 2021-10-27 134 iars = q->ia_ranges; a2247f19ee1c5a Damien Le Moal 2021-10-27 135 if (!iars) a2247f19ee1c5a Damien Le Moal 2021-10-27 136 return 0; a2247f19ee1c5a Damien Le Moal 2021-10-27 137 a2247f19ee1c5a Damien Le Moal 2021-10-27 138 /* a2247f19ee1c5a Damien Le Moal 2021-10-27 139 * At this point, iars is the new set of sector access ranges that needs a2247f19ee1c5a Damien Le Moal 2021-10-27 140 * to be registered with sysfs. a2247f19ee1c5a Damien Le Moal 2021-10-27 141 */ a2247f19ee1c5a Damien Le Moal 2021-10-27 142 WARN_ON(iars->sysfs_registered); a2247f19ee1c5a Damien Le Moal 2021-10-27 143 ret = kobject_init_and_add(&iars->kobj, &blk_ia_ranges_ktype, a2247f19ee1c5a Damien Le Moal 2021-10-27 144 &q->kobj, "%s", "independent_access_ranges"); a2247f19ee1c5a Damien Le Moal 2021-10-27 145 if (ret) { a2247f19ee1c5a Damien Le Moal 2021-10-27 146 q->ia_ranges = NULL; a2247f19ee1c5a Damien Le Moal 2021-10-27 147 kfree(iars); a2247f19ee1c5a Damien Le Moal 2021-10-27 148 return ret; a2247f19ee1c5a Damien Le Moal 2021-10-27 149 } a2247f19ee1c5a Damien Le Moal 2021-10-27 150 a2247f19ee1c5a Damien Le Moal 2021-10-27 151 for (i = 0; i < iars->nr_ia_ranges; i++) { a2247f19ee1c5a Damien Le Moal 2021-10-27 152 iars->ia_range[i].queue = q; a2247f19ee1c5a Damien Le Moal 2021-10-27 153 ret = kobject_init_and_add(&iars->ia_range[i].kobj, a2247f19ee1c5a Damien Le Moal 2021-10-27 154 &blk_ia_range_ktype, &iars->kobj, a2247f19ee1c5a Damien Le Moal 2021-10-27 155 "%d", i); a2247f19ee1c5a Damien Le Moal 2021-10-27 156 if (ret) { a2247f19ee1c5a Damien Le Moal 2021-10-27 157 while (--i >= 0) a2247f19ee1c5a Damien Le Moal 2021-10-27 158 kobject_del(&iars->ia_range[i].kobj); a2247f19ee1c5a Damien Le Moal 2021-10-27 159 kobject_del(&iars->kobj); a2247f19ee1c5a Damien Le Moal 2021-10-27 160 kobject_put(&iars->kobj); a2247f19ee1c5a Damien Le Moal 2021-10-27 161 return ret; a2247f19ee1c5a Damien Le Moal 2021-10-27 162 } a2247f19ee1c5a Damien Le Moal 2021-10-27 163 } a2247f19ee1c5a Damien Le Moal 2021-10-27 164 a2247f19ee1c5a Damien Le Moal 2021-10-27 165 iars->sysfs_registered = true; a2247f19ee1c5a Damien Le Moal 2021-10-27 166 a2247f19ee1c5a Damien Le Moal 2021-10-27 167 return 0; a2247f19ee1c5a Damien Le Moal 2021-10-27 168 } a2247f19ee1c5a Damien Le Moal 2021-10-27 169 :::::: The code at line 119 was first introduced by commit :::::: a2247f19ee1c5ad75ef095cdfb909a3244b88aa8 block: Add independent access ranges support :::::: TO: Damien Le Moal <damien.lemoal(a)wdc.com&gt; :::::: CC: Jens Axboe <axboe(a)kernel.dk&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org