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charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: DCC1A40019 X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: k5bubb9z53zydt91ijpqio6prz8t731g X-HE-Tag: 1720146172-835339 X-HE-Meta: U2FsdGVkX1/Hwp7hDw9k0DzE6s11CVkKoMF1A71HWJVNuW0Jk3HHlXWhv7ml81bmjlOnMOkM9DGNjys9yLzd9ZXa35pSt+9g6AGYXPlO7VvYVH6JUNgc1414kecHD+jkzGfY97SaC1H2F76VQwDpa5NRokKPxs2LIV4+NFNXLffvNzrbGOjUmd0yLiJNIv0rM+xUelmqFTlpzNxWp+XDXD4bA/tLEnukMOp4rbj0xaIDnqFi/Bt2vN54mN4u26OkLUY2YlSmXJZU36LCFmYEGPQuKop+cv2bxy0Z4jPSiaRwo66nkw8lPkvCLL+lc5ZY4J+/UBIi0GNBQiSLaiRtQw6f4D3yUvDQp8YISTWgr5bapFIcpa9e8LxgTLdSCjWJqUTHQPVUUW5BpXkx2xeCG4Z/4aHOL/mbdNCfPnG/b3Dil0TVr7UvOQ5jEa4OkVrzqqIVKXkoQ3IxoNxbRH3r//Xtnpc6RGi4hskvUZwZA6RA5RjmHWC/Fsojt6V6UwQjKdSdOXL8ybHbIOBsUAcZeCfP1O47iqGxwOXonX/ROX9qL5lqNZgPq27G9KXP/J/V/ajtFDuzONVeDooG1lMK2NCFsZrO9ODS8UX5Bn/FNe7YifA9+0XLKhUPoG+HDzaGy4x9LIfOF8wFafRO3nW3osc/VpHoxljjJio7zRf//M3mAI+ApvgxzBcQ8qwwM8kCG2dVAOp1FdOsyFWiZo9PCTWWUitfN6+78QpJiFXUr+YcALG5iQmX9iqWA/oZX6Z1v55/Rg4FFAOPLTHAwVNvkcLE8nhQZoIagOGQnQugBdNeGbohuVN26ChxvSENlZnsauB6AjaWAeTkhVo8h2RR+y8AeT+x9/aAsBVXQp06G4GQfd7uOScQjKFlM5U9IV55gxaKdap7oCMOAtMrDqb9mLZaRNurtAa/BJZUD5ZElulW9kL2v4ibx9XN/ZtWmT+NVIeAfP0d39gTQzyXJeh AvCx3GVk zlefc6Iy9X4T8M1mPnY7pST7lcUN+6kjiDq8EWo5ignQEa13tS5b6rCKMFhZRGmZaG6LUhW4ZdGrEReJ18ze2at9ORofTjNjmeTF/D8s9VMCW8bqf/eiOa4M+fwz1fNrk31WIMjVr4Mr2c3sqJ1Lp7yW05q4Vfb9A5JIxaOQ9YY5kp7rcLFfazTpE5WIBCe/SKUh3GBSTkO00LLKBLthL4K1rX8NDGbXFXR4Jk87xt4VgyeSxDUs+vH/rrRlIEzLkvedNFVV4P+hv7AS8aT5nir1QBXrd/uCu5QBc0YHiltUrUl+mGVINCWuNEgKR7smmOk1cICw/dmKxs8KIqBpsOvT6GSH/8I5w1QnAHAEVJ7dKjzf9E2NKQbUfcr5m77d2QTnObH2dna48XPMgTEcklu7WEPTaG4t22CvGWaEoIyK1wIU= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 0b58e108042b0ed28a71cd7edf5175999955b233 commit: a17ece76bcfe7b86327b19cae1652d7c62068a30 [5890/10451] loop: regularize upgrading the block size for direct I/O config: x86_64-sof-customedconfig-amd-defconfig (https://download.01.org/0day-ci/archive/20240705/202407051018.4qDH70ea-lkp@intel.com/config) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240705/202407051018.4qDH70ea-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202407051018.4qDH70ea-lkp@intel.com/ All errors (new ones prefixed by >>): >> drivers/block/loop.c:1009:16: error: variable 'inode' set but not used [-Werror,-Wunused-but-set-variable] 1009 | struct inode *inode; | ^ 1 error generated. vim +/inode +1009 drivers/block/loop.c 473516b361936c Christoph Hellwig 2024-02-13 1003 05bdb9965305bb Christoph Hellwig 2023-06-08 1004 static int loop_configure(struct loop_device *lo, blk_mode_t mode, 3448914e8cc550 Martijn Coenen 2020-05-13 1005 struct block_device *bdev, 3448914e8cc550 Martijn Coenen 2020-05-13 1006 const struct loop_config *config) ^1da177e4c3f41 Linus Torvalds 2005-04-16 1007 { 3ce6e1f662a910 Tetsuo Handa 2021-07-06 1008 struct file *file = fget(config->fd); ^1da177e4c3f41 Linus Torvalds 2005-04-16 @1009 struct inode *inode; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1010 struct address_space *mapping; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1011 int error; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1012 loff_t size; 85b0a54a82e4fb Jan Kara 2018-11-08 1013 bool partscan; 3ce6e1f662a910 Tetsuo Handa 2021-07-06 1014 bool is_loop; 3ce6e1f662a910 Tetsuo Handa 2021-07-06 1015 3ce6e1f662a910 Tetsuo Handa 2021-07-06 1016 if (!file) 3ce6e1f662a910 Tetsuo Handa 2021-07-06 1017 return -EBADF; 3ce6e1f662a910 Tetsuo Handa 2021-07-06 1018 is_loop = is_loop_device(file); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1019 ^1da177e4c3f41 Linus Torvalds 2005-04-16 1020 /* This is safe, since we have a reference from open(). */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 1021 __module_get(THIS_MODULE); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1022 33ec3e53e7b186 Jan Kara 2019-05-16 1023 /* 33ec3e53e7b186 Jan Kara 2019-05-16 1024 * If we don't hold exclusive handle for the device, upgrade to it 33ec3e53e7b186 Jan Kara 2019-05-16 1025 * here to avoid changing device under exclusive owner. 33ec3e53e7b186 Jan Kara 2019-05-16 1026 */ 05bdb9965305bb Christoph Hellwig 2023-06-08 1027 if (!(mode & BLK_OPEN_EXCL)) { 0718afd47f70cf Christoph Hellwig 2023-06-01 1028 error = bd_prepare_to_claim(bdev, loop_configure, NULL); ecbe6bc0003bfd Christoph Hellwig 2020-07-16 1029 if (error) 757ecf40b7e029 Jan Kara 2018-11-08 1030 goto out_putf; 33ec3e53e7b186 Jan Kara 2019-05-16 1031 } 33ec3e53e7b186 Jan Kara 2019-05-16 1032 3ce6e1f662a910 Tetsuo Handa 2021-07-06 1033 error = loop_global_lock_killable(lo, is_loop); 33ec3e53e7b186 Jan Kara 2019-05-16 1034 if (error) 33ec3e53e7b186 Jan Kara 2019-05-16 1035 goto out_bdev; 757ecf40b7e029 Jan Kara 2018-11-08 1036 ^1da177e4c3f41 Linus Torvalds 2005-04-16 1037 error = -EBUSY; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1038 if (lo->lo_state != Lo_unbound) 757ecf40b7e029 Jan Kara 2018-11-08 1039 goto out_unlock; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1040 d2ac838e4cd7e5 Theodore Ts'o 2018-05-07 1041 error = loop_validate_file(file, bdev); d2ac838e4cd7e5 Theodore Ts'o 2018-05-07 1042 if (error) 757ecf40b7e029 Jan Kara 2018-11-08 1043 goto out_unlock; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1044 ^1da177e4c3f41 Linus Torvalds 2005-04-16 1045 mapping = file->f_mapping; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1046 inode = mapping->host; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1047 3448914e8cc550 Martijn Coenen 2020-05-13 1048 if ((config->info.lo_flags & ~LOOP_CONFIGURE_SETTABLE_FLAGS) != 0) { 3448914e8cc550 Martijn Coenen 2020-05-13 1049 error = -EINVAL; 3448914e8cc550 Martijn Coenen 2020-05-13 1050 goto out_unlock; 3448914e8cc550 Martijn Coenen 2020-05-13 1051 } 3448914e8cc550 Martijn Coenen 2020-05-13 1052 3448914e8cc550 Martijn Coenen 2020-05-13 1053 if (config->block_size) { af3c570fb0df42 Xie Yongji 2021-10-26 1054 error = blk_validate_block_size(config->block_size); 3448914e8cc550 Martijn Coenen 2020-05-13 1055 if (error) 3448914e8cc550 Martijn Coenen 2020-05-13 1056 goto out_unlock; 3448914e8cc550 Martijn Coenen 2020-05-13 1057 } 3448914e8cc550 Martijn Coenen 2020-05-13 1058 3448914e8cc550 Martijn Coenen 2020-05-13 1059 error = loop_set_status_from_info(lo, &config->info); 3448914e8cc550 Martijn Coenen 2020-05-13 1060 if (error) 3448914e8cc550 Martijn Coenen 2020-05-13 1061 goto out_unlock; 3448914e8cc550 Martijn Coenen 2020-05-13 1062 05bdb9965305bb Christoph Hellwig 2023-06-08 1063 if (!(file->f_mode & FMODE_WRITE) || !(mode & BLK_OPEN_WRITE) || 283e7e5d249f48 Al Viro 2015-04-03 1064 !file->f_op->write_iter) 3448914e8cc550 Martijn Coenen 2020-05-13 1065 lo->lo_flags |= LO_FLAGS_READ_ONLY; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1066 d292dc80686aea Christoph Hellwig 2022-03-30 1067 if (!lo->workqueue) { 87579e9b7d8dc3 Dan Schatzberg 2021-06-28 1068 lo->workqueue = alloc_workqueue("loop%d", 87579e9b7d8dc3 Dan Schatzberg 2021-06-28 1069 WQ_UNBOUND | WQ_FREEZABLE, d292dc80686aea Christoph Hellwig 2022-03-30 1070 0, lo->lo_number); 87579e9b7d8dc3 Dan Schatzberg 2021-06-28 1071 if (!lo->workqueue) { 87579e9b7d8dc3 Dan Schatzberg 2021-06-28 1072 error = -ENOMEM; 757ecf40b7e029 Jan Kara 2018-11-08 1073 goto out_unlock; 87579e9b7d8dc3 Dan Schatzberg 2021-06-28 1074 } d292dc80686aea Christoph Hellwig 2022-03-30 1075 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 1076 bb430b69422640 Alyssa Ross 2023-03-20 1077 /* suppress uevents while reconfiguring the device */ bb430b69422640 Alyssa Ross 2023-03-20 1078 dev_set_uevent_suppress(disk_to_dev(lo->lo_disk), 1); bb430b69422640 Alyssa Ross 2023-03-20 1079 ab6860f62bfe32 Christoph Hellwig 2023-08-11 1080 disk_force_media_change(lo->lo_disk); 7a2f0ce19f2e2e Christoph Hellwig 2020-11-03 1081 set_disk_ro(lo->lo_disk, (lo->lo_flags & LO_FLAGS_READ_ONLY) != 0); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1082 3448914e8cc550 Martijn Coenen 2020-05-13 1083 lo->use_dio = lo->lo_flags & LO_FLAGS_DIRECT_IO; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1084 lo->lo_device = bdev; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1085 lo->lo_backing_file = file; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1086 lo->old_gfp_mask = mapping_gfp_mask(mapping); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1087 mapping_set_gfp_mask(mapping, lo->old_gfp_mask & ~(__GFP_IO|__GFP_FS)); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1088 3448914e8cc550 Martijn Coenen 2020-05-13 1089 if (!(lo->lo_flags & LO_FLAGS_READ_ONLY) && file->f_op->fsync) 21d0727f639e4b Jens Axboe 2016-03-30 1090 blk_queue_write_cache(lo->lo_queue, true, false); 68db1961bbf4e1 Nikanth Karthikesan 2009-03-24 1091 a17ece76bcfe7b Christoph Hellwig 2024-06-17 1092 error = loop_reconfigure_limits(lo, config->block_size); 473516b361936c Christoph Hellwig 2024-02-13 1093 if (WARN_ON_ONCE(error)) 473516b361936c Christoph Hellwig 2024-02-13 1094 goto out_unlock; 85560117d00f5d Martijn Coenen 2019-09-04 1095 56a85fd8376ef3 Holger Hoffstätte 2019-02-12 1096 loop_update_rotational(lo); 2e5ab5f379f96a Ming Lei 2015-08-17 1097 loop_update_dio(lo); ee86273062cbb3 Milan Broz 2010-08-23 1098 loop_sysfs_init(lo); 79e5dc59e2974a Martijn Coenen 2020-08-25 1099 79e5dc59e2974a Martijn Coenen 2020-08-25 1100 size = get_loop_size(lo, file); 5795b6f5607f7e Martijn Coenen 2020-05-13 1101 loop_set_size(lo, size); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1102 3ce6e1f662a910 Tetsuo Handa 2021-07-06 1103 /* Order wrt reading lo_state in loop_validate_file(). */ 3ce6e1f662a910 Tetsuo Handa 2021-07-06 1104 wmb(); 3ce6e1f662a910 Tetsuo Handa 2021-07-06 1105 6c9979185c7ef4 Serge Hallyn 2006-09-29 1106 lo->lo_state = Lo_bound; e03c8dd14915fa Kay Sievers 2011-08-23 1107 if (part_shift) e03c8dd14915fa Kay Sievers 2011-08-23 1108 lo->lo_flags |= LO_FLAGS_PARTSCAN; 85b0a54a82e4fb Jan Kara 2018-11-08 1109 partscan = lo->lo_flags & LO_FLAGS_PARTSCAN; fe6a8fc5ed2f00 Lennart Poettering 2020-08-10 1110 if (partscan) b9684a71fca793 Christoph Hellwig 2022-05-27 1111 clear_bit(GD_SUPPRESS_PART_SCAN, &lo->lo_disk->state); c1681bf8a7b1b9 Anatol Pomozov 2013-04-01 1112 bb430b69422640 Alyssa Ross 2023-03-20 1113 /* enable and uncork uevent now that we are done */ bb430b69422640 Alyssa Ross 2023-03-20 1114 dev_set_uevent_suppress(disk_to_dev(lo->lo_disk), 0); bb430b69422640 Alyssa Ross 2023-03-20 1115 3ce6e1f662a910 Tetsuo Handa 2021-07-06 1116 loop_global_unlock(lo, is_loop); 85b0a54a82e4fb Jan Kara 2018-11-08 1117 if (partscan) 0384264ea8a39b Christoph Hellwig 2021-06-24 1118 loop_reread_partitions(lo); bb430b69422640 Alyssa Ross 2023-03-20 1119 05bdb9965305bb Christoph Hellwig 2023-06-08 1120 if (!(mode & BLK_OPEN_EXCL)) 37c3fc9abb25cd Christoph Hellwig 2020-11-25 1121 bd_abort_claiming(bdev, loop_configure); 498ef5c777d9c8 Christoph Hellwig 2022-03-30 1122 bb430b69422640 Alyssa Ross 2023-03-20 1123 return 0; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1124 757ecf40b7e029 Jan Kara 2018-11-08 1125 out_unlock: 3ce6e1f662a910 Tetsuo Handa 2021-07-06 1126 loop_global_unlock(lo, is_loop); 33ec3e53e7b186 Jan Kara 2019-05-16 1127 out_bdev: 05bdb9965305bb Christoph Hellwig 2023-06-08 1128 if (!(mode & BLK_OPEN_EXCL)) 37c3fc9abb25cd Christoph Hellwig 2020-11-25 1129 bd_abort_claiming(bdev, loop_configure); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1130 out_putf: ^1da177e4c3f41 Linus Torvalds 2005-04-16 1131 fput(file); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1132 /* This is safe: open() is still holding a reference. */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 1133 module_put(THIS_MODULE); bb430b69422640 Alyssa Ross 2023-03-20 1134 return error; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1135 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 1136 :::::: The code at line 1009 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds :::::: CC: Linus Torvalds -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki