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Tue, 01 Mar 2022 00:04:36 +0000 Date: Tue, 1 Mar 2022 08:04:12 +0800 From: kernel test robot To: Amir Goldstein Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: [amir73il:sb_iostats 6/8] fs/proc_namespace.c:243:9: error: 'struct super_block' has no member named 's_iostats' Message-ID: <202203010741.SK3KjyE8-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 tree: https://github.com/amir73il/linux sb_iostats head: ecfdb413f2105083296e9cb45290eb1f01b0ef5c commit: df9b63258be710a78278da75d11cfe0cbaa8ca74 [6/8] fs: report per-sb io stats config: um-i386_defconfig (https://download.01.org/0day-ci/archive/20220301/202203010741.SK3KjyE8-lkp@intel.com/config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/amir73il/linux/commit/df9b63258be710a78278da75d11cfe0cbaa8ca74 git remote add amir73il https://github.com/amir73il/linux git fetch --no-tags amir73il sb_iostats git checkout df9b63258be710a78278da75d11cfe0cbaa8ca74 # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=um SUBARCH=i386 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): fs/proc_namespace.c: In function 'show_vfsstat': >> fs/proc_namespace.c:243:9: error: 'struct super_block' has no member named 's_iostats' 243 | sb->s_iostats.start_time, ktime_get_seconds(), | ^~ vim +243 fs/proc_namespace.c 196 197 static int show_vfsstat(struct seq_file *m, struct vfsmount *mnt) 198 { 199 struct proc_mounts *p = m->private; 200 struct mount *r = real_mount(mnt); 201 struct path mnt_path = { .dentry = mnt->mnt_root, .mnt = mnt }; 202 struct super_block *sb = mnt_path.dentry->d_sb; 203 int err; 204 205 /* device */ 206 if (sb->s_op->show_devname) { 207 seq_puts(m, "device "); 208 err = sb->s_op->show_devname(m, mnt_path.dentry); 209 if (err) 210 goto out; 211 } else { 212 if (r->mnt_devname) { 213 seq_puts(m, "device "); 214 mangle(m, r->mnt_devname); 215 } else 216 seq_puts(m, "no device"); 217 } 218 219 /* mount point */ 220 seq_puts(m, " mounted on "); 221 /* mountpoints outside of chroot jail will give SEQ_SKIP on this */ 222 err = seq_path_root(m, &mnt_path, &p->root, " \t\n\\"); 223 if (err) 224 goto out; 225 seq_putc(m, ' '); 226 227 /* file system type */ 228 seq_puts(m, "with fstype "); 229 show_type(m, sb); 230 231 /* optional statistics */ 232 if (sb->s_op->show_stats) { 233 seq_putc(m, ' '); 234 err = sb->s_op->show_stats(m, mnt_path.dentry); 235 } else if (sb_has_iostats(sb)) { 236 /* Similar to /proc//io */ 237 seq_printf(m, "\n" 238 "\ttimes: %lld %lld\n" 239 "\trchar: %lld\n" 240 "\twchar: %lld\n" 241 "\tsyscr: %lld\n" 242 "\tsyscw: %lld\n", > 243 sb->s_iostats.start_time, ktime_get_seconds(), 244 sb_iostats_counter_read(sb, SB_IOSTATS_CHARS_RD), 245 sb_iostats_counter_read(sb, SB_IOSTATS_CHARS_WR), 246 sb_iostats_counter_read(sb, SB_IOSTATS_SYSCALLS_RD), 247 sb_iostats_counter_read(sb, SB_IOSTATS_SYSCALLS_WR)); 248 } 249 250 seq_putc(m, '\n'); 251 out: 252 return err; 253 } 254 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org