Messages in this thread | | | Subject | [allisonhenderson-xfs_work:delayed_attrs_v22_extended 28/32] fs/xfs/xfs_inode.c:3287:3: warning: Value stored to 'error' is never read [clang-analyzer-deadcode.DeadStores] | From | kernel test robot <> | Date | Wed, 28 Jul 2021 08:40:42 +0800 |
| |
tree: https://github.com/allisonhenderson/xfs_work.git delayed_attrs_v22_extended head: aff89515c2d9aca9b24ac0296f3806af62cd9206 commit: 3818584f03ce2d5c1310199a6466aafdf22c8256 [28/32] xfs: Add parent pointers to rename :::::: branch date: 18 hours ago :::::: commit date: 18 hours ago config: x86_64-randconfig-c001-20210727 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project c658b472f3e61e1818e1909bf02f3d65470018a5) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://github.com/allisonhenderson/xfs_work/commit/3818584f03ce2d5c1310199a6466aafdf22c8256 git remote add allisonhenderson-xfs_work https://github.com/allisonhenderson/xfs_work.git git fetch --no-tags allisonhenderson-xfs_work delayed_attrs_v22_extended git checkout 3818584f03ce2d5c1310199a6466aafdf22c8256 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 clang-analyzer If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
clang-analyzer warnings: (new ones prefixed by >>) ^ include/linux/kernel.h:495:61: note: expanded from macro 'container_of' BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \ ^ drivers/md/dm-zoned-target.c:481:29: note: Taking false branch struct dm_chunk_work *cw = container_of(work, struct dm_chunk_work, work); ^ include/linux/kernel.h:495:2: note: expanded from macro 'container_of' BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \ ^ include/linux/build_bug.h:39:37: note: expanded from macro 'BUILD_BUG_ON_MSG' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^ include/linux/compiler_types.h:328:2: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ^ include/linux/compiler_types.h:316:2: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ^ include/linux/compiler_types.h:308:3: note: expanded from macro '__compiletime_assert' if (!(condition)) \ ^ drivers/md/dm-zoned-target.c:481:29: note: Loop condition is false. Exiting loop struct dm_chunk_work *cw = container_of(work, struct dm_chunk_work, work); ^ include/linux/kernel.h:495:2: note: expanded from macro 'container_of' BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \ ^ include/linux/build_bug.h:39:37: note: expanded from macro 'BUILD_BUG_ON_MSG' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^ include/linux/compiler_types.h:328:2: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ^ include/linux/compiler_types.h:316:2: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ^ include/linux/compiler_types.h:306:2: note: expanded from macro '__compiletime_assert' do { \ ^ drivers/md/dm-zoned-target.c:488:2: note: Loop condition is true. Entering loop body while ((bio = bio_list_pop(&cw->bio_list))) { ^ drivers/md/dm-zoned-target.c:492:3: note: Calling 'dmz_put_chunk_work' dmz_put_chunk_work(cw); ^~~~~~~~~~~~~~~~~~~~~~ drivers/md/dm-zoned-target.c:469:6: note: Assuming the condition is true if (refcount_dec_and_test(&cw->refcount)) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/md/dm-zoned-target.c:469:2: note: Taking true branch if (refcount_dec_and_test(&cw->refcount)) { ^ drivers/md/dm-zoned-target.c:470:3: note: Taking false branch WARN_ON(!bio_list_empty(&cw->bio_list)); ^ include/asm-generic/bug.h:122:2: note: expanded from macro 'WARN_ON' if (unlikely(__ret_warn_on)) \ ^ drivers/md/dm-zoned-target.c:472:3: note: Memory is released kfree(cw); ^~~~~~~~~ drivers/md/dm-zoned-target.c:492:3: note: Returning; memory was released via 1st parameter dmz_put_chunk_work(cw); ^~~~~~~~~~~~~~~~~~~~~~ drivers/md/dm-zoned-target.c:488:16: note: Calling 'bio_list_pop' while ((bio = bio_list_pop(&cw->bio_list))) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/bio.h:657:20: note: Use of memory after it is freed struct bio *bio = bl->head; ^~~~~~~~ Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 12 warnings generated. fs/xfs/xfs_iops.c:704:11: warning: Value stored to 'uid' during its initialization is never read [clang-analyzer-deadcode.DeadStores] kuid_t uid = GLOBAL_ROOT_UID, iuid = GLOBAL_ROOT_UID; ^~~ fs/xfs/xfs_iops.c:704:11: note: Value stored to 'uid' during its initialization is never read kuid_t uid = GLOBAL_ROOT_UID, iuid = GLOBAL_ROOT_UID; ^~~ fs/xfs/xfs_iops.c:704:34: warning: Value stored to 'iuid' during its initialization is never read [clang-analyzer-deadcode.DeadStores] kuid_t uid = GLOBAL_ROOT_UID, iuid = GLOBAL_ROOT_UID; ^~~~ fs/xfs/xfs_iops.c:704:34: note: Value stored to 'iuid' during its initialization is never read kuid_t uid = GLOBAL_ROOT_UID, iuid = GLOBAL_ROOT_UID; ^~~~ fs/xfs/xfs_iops.c:705:11: warning: Value stored to 'gid' during its initialization is never read [clang-analyzer-deadcode.DeadStores] kgid_t gid = GLOBAL_ROOT_GID, igid = GLOBAL_ROOT_GID; ^~~ fs/xfs/xfs_iops.c:705:11: note: Value stored to 'gid' during its initialization is never read kgid_t gid = GLOBAL_ROOT_GID, igid = GLOBAL_ROOT_GID; ^~~ fs/xfs/xfs_iops.c:705:34: warning: Value stored to 'igid' during its initialization is never read [clang-analyzer-deadcode.DeadStores] kgid_t gid = GLOBAL_ROOT_GID, igid = GLOBAL_ROOT_GID; ^~~~ fs/xfs/xfs_iops.c:705:34: note: Value stored to 'igid' during its initialization is never read kgid_t gid = GLOBAL_ROOT_GID, igid = GLOBAL_ROOT_GID; ^~~~ Suppressed 8 warnings (8 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. >> fs/xfs/xfs_inode.c:3287:3: warning: Value stored to 'error' is never read [clang-analyzer-deadcode.DeadStores] error = xfs_cross_rename(tp, src_dp, src_name, src_ip, ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/xfs/xfs_inode.c:3287:3: note: Value stored to 'error' is never read error = xfs_cross_rename(tp, src_dp, src_name, src_ip, ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Suppressed 8 warnings (8 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 8 warnings generated. Suppressed 8 warnings (8 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 8 warnings generated. Suppressed 8 warnings (8 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 8 warnings generated. Suppressed 8 warnings (8 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 8 warnings generated. Suppressed 8 warnings (8 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 8 warnings generated. Suppressed 8 warnings (8 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 5 warnings generated. Suppressed 5 warnings (5 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 8 warnings generated. drivers/input/touchscreen/edt-ft5x06.c:705:21: warning: Value stored to 'client' during its initialization is never read [clang-analyzer-deadcode.DeadStores] struct i2c_client *client = tsdata->client; ^~~~~~ ~~~~~~~~~~~~~~ drivers/input/touchscreen/edt-ft5x06.c:705:21: note: Value stored to 'client' during its initialization is never read struct i2c_client *client = tsdata->client; ^~~~~~ ~~~~~~~~~~~~~~ Suppressed 7 warnings (7 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 5 warnings generated. Suppressed 5 warnings (5 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 5 warnings generated. Suppressed 5 warnings (5 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 5 warnings generated. Suppressed 5 warnings (5 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. drivers/md/dm-snap-persistent.c:632:6: warning: Branch condition evaluates to a garbage value [clang-analyzer-core.uninitialized.Branch] if (new_snapshot) { ^~~~~~~~~~~~ drivers/md/dm-snap-persistent.c:609:9: note: 'new_snapshot' declared without an initial value int r, new_snapshot; ^~~~~~~~~~~~ drivers/md/dm-snap-persistent.c:615:6: note: Calling 'read_header' r = read_header(ps, &new_snapshot); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/md/dm-snap-persistent.c:315:6: note: Assuming field 'chunk_size' is not equal to 0 if (!ps->store->chunk_size) { ^~~~~~~~~~~~~~~~~~~~~~ drivers/md/dm-snap-persistent.c:315:2: note: Taking false branch if (!ps->store->chunk_size) { ^ drivers/md/dm-snap-persistent.c:325:6: note: Calling 'IS_ERR' if (IS_ERR(ps->io_client)) ^~~~~~~~~~~~~~~~~~~~~ include/linux/err.h:36:9: note: Assuming the condition is true return IS_ERR_VALUE((unsigned long)ptr); ^ include/linux/err.h:22:34: note: expanded from macro 'IS_ERR_VALUE' #define IS_ERR_VALUE(x) unlikely((unsigned long)(void *)(x) >= (unsigned long)-MAX_ERRNO) ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:48:41: note: expanded from macro 'unlikely' # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x))) ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:33:34: note: expanded from macro '__branch_check__' ______r = __builtin_expect(!!(x), expect); \ ^ include/linux/err.h:36:2: note: Returning the value 1, which participates in a condition later return IS_ERR_VALUE((unsigned long)ptr); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/md/dm-snap-persistent.c:325:6: note: Returning from 'IS_ERR' if (IS_ERR(ps->io_client)) ^~~~~~~~~~~~~~~~~~~~~ drivers/md/dm-snap-persistent.c:325:2: note: Taking true branch if (IS_ERR(ps->io_client)) ^ drivers/md/dm-snap-persistent.c:326:3: note: Returning without writing to 'ps->callbacks', which participates in a condition later return PTR_ERR(ps->io_client); ^ drivers/md/dm-snap-persistent.c:326:3: note: Returning without writing to '*new_snapshot' drivers/md/dm-snap-persistent.c:326:3: note: Returning value, which participates in a condition later
vim +/error +3287 fs/xfs/xfs_inode.c
7dcf5c3e4527cf Dave Chinner 2015-03-25 3155 f6bba2017afb3b Dave Chinner 2013-08-12 3156 /* f6bba2017afb3b Dave Chinner 2013-08-12 3157 * xfs_rename f6bba2017afb3b Dave Chinner 2013-08-12 3158 */ f6bba2017afb3b Dave Chinner 2013-08-12 3159 int f6bba2017afb3b Dave Chinner 2013-08-12 3160 xfs_rename( f736d93d76d3e9 Christoph Hellwig 2021-01-21 3161 struct user_namespace *mnt_userns, 7dcf5c3e4527cf Dave Chinner 2015-03-25 3162 struct xfs_inode *src_dp, f6bba2017afb3b Dave Chinner 2013-08-12 3163 struct xfs_name *src_name, 7dcf5c3e4527cf Dave Chinner 2015-03-25 3164 struct xfs_inode *src_ip, 7dcf5c3e4527cf Dave Chinner 2015-03-25 3165 struct xfs_inode *target_dp, f6bba2017afb3b Dave Chinner 2013-08-12 3166 struct xfs_name *target_name, 7dcf5c3e4527cf Dave Chinner 2015-03-25 3167 struct xfs_inode *target_ip, d31a1825450062 Carlos Maiolino 2014-12-24 3168 unsigned int flags) f6bba2017afb3b Dave Chinner 2013-08-12 3169 { 7dcf5c3e4527cf Dave Chinner 2015-03-25 3170 struct xfs_mount *mp = src_dp->i_mount; 7dcf5c3e4527cf Dave Chinner 2015-03-25 3171 struct xfs_trans *tp; 7dcf5c3e4527cf Dave Chinner 2015-03-25 3172 struct xfs_inode *wip = NULL; /* whiteout inode */ 7dcf5c3e4527cf Dave Chinner 2015-03-25 3173 struct xfs_inode *inodes[__XFS_SORT_INODES]; 6da1b4b1ab36d8 Darrick J. Wong 2021-01-22 3174 int i; 95afcf5c7bca93 Dave Chinner 2015-03-25 3175 int num_inodes = __XFS_SORT_INODES; 2b93681f593577 Dave Chinner 2015-03-25 3176 bool new_parent = (src_dp != target_dp); c19b3b05ae440d Dave Chinner 2016-02-09 3177 bool src_is_directory = S_ISDIR(VFS_I(src_ip)->i_mode); f6bba2017afb3b Dave Chinner 2013-08-12 3178 int spaceres; 7dcf5c3e4527cf Dave Chinner 2015-03-25 3179 int error; 3818584f03ce2d Allison Henderson 2021-03-24 3180 struct xfs_parent_name_rec new_rec; 3818584f03ce2d Allison Henderson 2021-03-24 3181 struct xfs_parent_name_rec old_rec; 3818584f03ce2d Allison Henderson 2021-03-24 3182 xfs_dir2_dataptr_t new_diroffset; 3818584f03ce2d Allison Henderson 2021-03-24 3183 xfs_dir2_dataptr_t old_diroffset; 3818584f03ce2d Allison Henderson 2021-03-24 3184 struct xfs_da_args new_args = { 3818584f03ce2d Allison Henderson 2021-03-24 3185 .dp = src_ip, 3818584f03ce2d Allison Henderson 2021-03-24 3186 .geo = mp->m_attr_geo, 3818584f03ce2d Allison Henderson 2021-03-24 3187 .whichfork = XFS_ATTR_FORK, 3818584f03ce2d Allison Henderson 2021-03-24 3188 .attr_filter = XFS_ATTR_PARENT, 3818584f03ce2d Allison Henderson 2021-03-24 3189 .op_flags = XFS_DA_OP_OKNOENT, 3818584f03ce2d Allison Henderson 2021-03-24 3190 .name = (const uint8_t *)&new_rec, 3818584f03ce2d Allison Henderson 2021-03-24 3191 .namelen = sizeof(new_rec), 3818584f03ce2d Allison Henderson 2021-03-24 3192 .value = (void *)target_name->name, 3818584f03ce2d Allison Henderson 2021-03-24 3193 .valuelen = target_name->len, 3818584f03ce2d Allison Henderson 2021-03-24 3194 }; 3818584f03ce2d Allison Henderson 2021-03-24 3195 struct xfs_da_args old_args = { 3818584f03ce2d Allison Henderson 2021-03-24 3196 .dp = src_ip, 3818584f03ce2d Allison Henderson 2021-03-24 3197 .geo = mp->m_attr_geo, 3818584f03ce2d Allison Henderson 2021-03-24 3198 .whichfork = XFS_ATTR_FORK, 3818584f03ce2d Allison Henderson 2021-03-24 3199 .attr_filter = XFS_ATTR_PARENT, 3818584f03ce2d Allison Henderson 2021-03-24 3200 .op_flags = XFS_DA_OP_OKNOENT, 3818584f03ce2d Allison Henderson 2021-03-24 3201 .name = (const uint8_t *)&old_rec, 3818584f03ce2d Allison Henderson 2021-03-24 3202 .namelen = sizeof(old_rec), 3818584f03ce2d Allison Henderson 2021-03-24 3203 .value = NULL, 3818584f03ce2d Allison Henderson 2021-03-24 3204 .valuelen = 0, 3818584f03ce2d Allison Henderson 2021-03-24 3205 }; f6bba2017afb3b Dave Chinner 2013-08-12 3206 f6bba2017afb3b Dave Chinner 2013-08-12 3207 trace_xfs_rename(src_dp, target_dp, src_name, target_name); f6bba2017afb3b Dave Chinner 2013-08-12 3208 eeacd3217b8fa8 Dave Chinner 2015-03-25 3209 if ((flags & RENAME_EXCHANGE) && !target_ip) eeacd3217b8fa8 Dave Chinner 2015-03-25 3210 return -EINVAL; eeacd3217b8fa8 Dave Chinner 2015-03-25 3211 7dcf5c3e4527cf Dave Chinner 2015-03-25 3212 /* 7dcf5c3e4527cf Dave Chinner 2015-03-25 3213 * If we are doing a whiteout operation, allocate the whiteout inode 7dcf5c3e4527cf Dave Chinner 2015-03-25 3214 * we will be placing at the target and ensure the type is set 7dcf5c3e4527cf Dave Chinner 2015-03-25 3215 * appropriately. 7dcf5c3e4527cf Dave Chinner 2015-03-25 3216 */ 7dcf5c3e4527cf Dave Chinner 2015-03-25 3217 if (flags & RENAME_WHITEOUT) { 7dcf5c3e4527cf Dave Chinner 2015-03-25 3218 ASSERT(!(flags & (RENAME_NOREPLACE | RENAME_EXCHANGE))); f736d93d76d3e9 Christoph Hellwig 2021-01-21 3219 error = xfs_rename_alloc_whiteout(mnt_userns, target_dp, &wip); 7dcf5c3e4527cf Dave Chinner 2015-03-25 3220 if (error) 7dcf5c3e4527cf Dave Chinner 2015-03-25 3221 return error; f6bba2017afb3b Dave Chinner 2013-08-12 3222 7dcf5c3e4527cf Dave Chinner 2015-03-25 3223 /* setup target dirent info as whiteout */ 7dcf5c3e4527cf Dave Chinner 2015-03-25 3224 src_name->type = XFS_DIR3_FT_CHRDEV; 7dcf5c3e4527cf Dave Chinner 2015-03-25 3225 } f6bba2017afb3b Dave Chinner 2013-08-12 3226 7dcf5c3e4527cf Dave Chinner 2015-03-25 3227 xfs_sort_for_rename(src_dp, target_dp, src_ip, target_ip, wip, f6bba2017afb3b Dave Chinner 2013-08-12 3228 inodes, &num_inodes); 3818584f03ce2d Allison Henderson 2021-03-24 3229 if (xfs_hasdelattr(mp)) { 3818584f03ce2d Allison Henderson 2021-03-24 3230 error = xfs_attr_use_log_assist(mp); 3818584f03ce2d Allison Henderson 2021-03-24 3231 if (error) 3818584f03ce2d Allison Henderson 2021-03-24 3232 goto out_release_wip; 3818584f03ce2d Allison Henderson 2021-03-24 3233 } f6bba2017afb3b Dave Chinner 2013-08-12 3234 f6bba2017afb3b Dave Chinner 2013-08-12 3235 spaceres = XFS_RENAME_SPACE_RES(mp, target_name->len); 253f4911f297b8 Christoph Hellwig 2016-04-06 3236 error = xfs_trans_alloc(mp, &M_RES(mp)->tr_rename, spaceres, 0, 0, &tp); 2451337dd04390 Dave Chinner 2014-06-25 3237 if (error == -ENOSPC) { f6bba2017afb3b Dave Chinner 2013-08-12 3238 spaceres = 0; 253f4911f297b8 Christoph Hellwig 2016-04-06 3239 error = xfs_trans_alloc(mp, &M_RES(mp)->tr_rename, 0, 0, 0, 253f4911f297b8 Christoph Hellwig 2016-04-06 3240 &tp); f6bba2017afb3b Dave Chinner 2013-08-12 3241 } 445883e8133975 Dave Chinner 2015-03-25 3242 if (error) 3818584f03ce2d Allison Henderson 2021-03-24 3243 goto drop_incompat; f6bba2017afb3b Dave Chinner 2013-08-12 3244 f6bba2017afb3b Dave Chinner 2013-08-12 3245 /* f6bba2017afb3b Dave Chinner 2013-08-12 3246 * Attach the dquots to the inodes f6bba2017afb3b Dave Chinner 2013-08-12 3247 */ f6bba2017afb3b Dave Chinner 2013-08-12 3248 error = xfs_qm_vop_rename_dqattach(inodes); 445883e8133975 Dave Chinner 2015-03-25 3249 if (error) 445883e8133975 Dave Chinner 2015-03-25 3250 goto out_trans_cancel; f6bba2017afb3b Dave Chinner 2013-08-12 3251 f6bba2017afb3b Dave Chinner 2013-08-12 3252 /* f6bba2017afb3b Dave Chinner 2013-08-12 3253 * Lock all the participating inodes. Depending upon whether f6bba2017afb3b Dave Chinner 2013-08-12 3254 * the target_name exists in the target directory, and f6bba2017afb3b Dave Chinner 2013-08-12 3255 * whether the target directory is the same as the source f6bba2017afb3b Dave Chinner 2013-08-12 3256 * directory, we can lock from 2 to 4 inodes. f6bba2017afb3b Dave Chinner 2013-08-12 3257 */ f6bba2017afb3b Dave Chinner 2013-08-12 3258 xfs_lock_inodes(inodes, num_inodes, XFS_ILOCK_EXCL); f6bba2017afb3b Dave Chinner 2013-08-12 3259 f6bba2017afb3b Dave Chinner 2013-08-12 3260 /* f6bba2017afb3b Dave Chinner 2013-08-12 3261 * Join all the inodes to the transaction. From this point on, f6bba2017afb3b Dave Chinner 2013-08-12 3262 * we can rely on either trans_commit or trans_cancel to unlock f6bba2017afb3b Dave Chinner 2013-08-12 3263 * them. f6bba2017afb3b Dave Chinner 2013-08-12 3264 */ 3818584f03ce2d Allison Henderson 2021-03-24 3265 xfs_trans_ijoin(tp, src_dp, 0); f6bba2017afb3b Dave Chinner 2013-08-12 3266 if (new_parent) 3818584f03ce2d Allison Henderson 2021-03-24 3267 xfs_trans_ijoin(tp, target_dp, 0); 3818584f03ce2d Allison Henderson 2021-03-24 3268 xfs_trans_ijoin(tp, src_ip, 0); f6bba2017afb3b Dave Chinner 2013-08-12 3269 if (target_ip) 3818584f03ce2d Allison Henderson 2021-03-24 3270 xfs_trans_ijoin(tp, target_ip, 0); 7dcf5c3e4527cf Dave Chinner 2015-03-25 3271 if (wip) 3818584f03ce2d Allison Henderson 2021-03-24 3272 xfs_trans_ijoin(tp, wip, 0); f6bba2017afb3b Dave Chinner 2013-08-12 3273 f6bba2017afb3b Dave Chinner 2013-08-12 3274 /* f6bba2017afb3b Dave Chinner 2013-08-12 3275 * If we are using project inheritance, we only allow renames f6bba2017afb3b Dave Chinner 2013-08-12 3276 * into our tree when the project IDs are the same; else the f6bba2017afb3b Dave Chinner 2013-08-12 3277 * tree quota mechanism would be circumvented. f6bba2017afb3b Dave Chinner 2013-08-12 3278 */ db07349da2f564 Christoph Hellwig 2021-03-29 3279 if (unlikely((target_dp->i_diflags & XFS_DIFLAG_PROJINHERIT) && ceaf603c7024d3 Christoph Hellwig 2021-03-29 3280 target_dp->i_projid != src_ip->i_projid)) { 2451337dd04390 Dave Chinner 2014-06-25 3281 error = -EXDEV; 3818584f03ce2d Allison Henderson 2021-03-24 3282 goto out_unlock; f6bba2017afb3b Dave Chinner 2013-08-12 3283 } f6bba2017afb3b Dave Chinner 2013-08-12 3284 eeacd3217b8fa8 Dave Chinner 2015-03-25 3285 /* RENAME_EXCHANGE is unique from here on. */ 3818584f03ce2d Allison Henderson 2021-03-24 3286 if (flags & RENAME_EXCHANGE) { 3818584f03ce2d Allison Henderson 2021-03-24 @3287 error = xfs_cross_rename(tp, src_dp, src_name, src_ip, d31a1825450062 Carlos Maiolino 2014-12-24 3288 target_dp, target_name, target_ip, f16dea54b789aa Brian Foster 2018-07-11 3289 spaceres); 3818584f03ce2d Allison Henderson 2021-03-24 3290 goto out_pptr; 3818584f03ce2d Allison Henderson 2021-03-24 3291 } f6bba2017afb3b Dave Chinner 2013-08-12 3292 /* bc56ad8c74b858 kaixuxia 2019-09-03 3293 * Check for expected errors before we dirty the transaction bc56ad8c74b858 kaixuxia 2019-09-03 3294 * so we can return an error without a transaction abort. 02092a2f034fde Chandan Babu R 2021-01-22 3295 * 02092a2f034fde Chandan Babu R 2021-01-22 3296 * Extent count overflow check: 02092a2f034fde Chandan Babu R 2021-01-22 3297 * 02092a2f034fde Chandan Babu R 2021-01-22 3298 * From the perspective of src_dp, a rename operation is essentially a 02092a2f034fde Chandan Babu R 2021-01-22 3299 * directory entry remove operation. Hence the only place where we check 02092a2f034fde Chandan Babu R 2021-01-22 3300 * for extent count overflow for src_dp is in 02092a2f034fde Chandan Babu R 2021-01-22 3301 * xfs_bmap_del_extent_real(). xfs_bmap_del_extent_real() returns 02092a2f034fde Chandan Babu R 2021-01-22 3302 * -ENOSPC when it detects a possible extent count overflow and in 02092a2f034fde Chandan Babu R 2021-01-22 3303 * response, the higher layers of directory handling code do the 02092a2f034fde Chandan Babu R 2021-01-22 3304 * following: 02092a2f034fde Chandan Babu R 2021-01-22 3305 * 1. Data/Free blocks: XFS lets these blocks linger until a 02092a2f034fde Chandan Babu R 2021-01-22 3306 * future remove operation removes them. 02092a2f034fde Chandan Babu R 2021-01-22 3307 * 2. Dabtree blocks: XFS swaps the blocks with the last block in the 02092a2f034fde Chandan Babu R 2021-01-22 3308 * Leaf space and unmaps the last block. 02092a2f034fde Chandan Babu R 2021-01-22 3309 * 02092a2f034fde Chandan Babu R 2021-01-22 3310 * For target_dp, there are two cases depending on whether the 02092a2f034fde Chandan Babu R 2021-01-22 3311 * destination directory entry exists or not. 02092a2f034fde Chandan Babu R 2021-01-22 3312 * 02092a2f034fde Chandan Babu R 2021-01-22 3313 * When destination directory entry does not exist (i.e. target_ip == 02092a2f034fde Chandan Babu R 2021-01-22 3314 * NULL), extent count overflow check is performed only when transaction 02092a2f034fde Chandan Babu R 2021-01-22 3315 * has a non-zero sized space reservation associated with it. With a 02092a2f034fde Chandan Babu R 2021-01-22 3316 * zero-sized space reservation, XFS allows a rename operation to 02092a2f034fde Chandan Babu R 2021-01-22 3317 * continue only when the directory has sufficient free space in its 02092a2f034fde Chandan Babu R 2021-01-22 3318 * data/leaf/free space blocks to hold the new entry. 02092a2f034fde Chandan Babu R 2021-01-22 3319 * 02092a2f034fde Chandan Babu R 2021-01-22 3320 * When destination directory entry exists (i.e. target_ip != NULL), all 02092a2f034fde Chandan Babu R 2021-01-22 3321 * we need to do is change the inode number associated with the already 02092a2f034fde Chandan Babu R 2021-01-22 3322 * existing entry. Hence there is no need to perform an extent count 02092a2f034fde Chandan Babu R 2021-01-22 3323 * overflow check. f6bba2017afb3b Dave Chinner 2013-08-12 3324 */ f6bba2017afb3b Dave Chinner 2013-08-12 3325 if (target_ip == NULL) { f6bba2017afb3b Dave Chinner 2013-08-12 3326 /* f6bba2017afb3b Dave Chinner 2013-08-12 3327 * If there's no space reservation, check the entry will f6bba2017afb3b Dave Chinner 2013-08-12 3328 * fit before actually inserting it. f6bba2017afb3b Dave Chinner 2013-08-12 3329 */ 94f3cad555d660 Eric Sandeen 2014-09-09 3330 if (!spaceres) { 94f3cad555d660 Eric Sandeen 2014-09-09 3331 error = xfs_dir_canenter(tp, target_dp, target_name); f6bba2017afb3b Dave Chinner 2013-08-12 3332 if (error) 3818584f03ce2d Allison Henderson 2021-03-24 3333 goto out_unlock; 02092a2f034fde Chandan Babu R 2021-01-22 3334 } else { 02092a2f034fde Chandan Babu R 2021-01-22 3335 error = xfs_iext_count_may_overflow(target_dp, 02092a2f034fde Chandan Babu R 2021-01-22 3336 XFS_DATA_FORK, 02092a2f034fde Chandan Babu R 2021-01-22 3337 XFS_IEXT_DIR_MANIP_CNT(mp)); 02092a2f034fde Chandan Babu R 2021-01-22 3338 if (error) 02092a2f034fde Chandan Babu R 2021-01-22 3339 goto out_trans_cancel; 94f3cad555d660 Eric Sandeen 2014-09-09 3340 } bc56ad8c74b858 kaixuxia 2019-09-03 3341 } else { bc56ad8c74b858 kaixuxia 2019-09-03 3342 /* bc56ad8c74b858 kaixuxia 2019-09-03 3343 * If target exists and it's a directory, check that whether bc56ad8c74b858 kaixuxia 2019-09-03 3344 * it can be destroyed. bc56ad8c74b858 kaixuxia 2019-09-03 3345 */ bc56ad8c74b858 kaixuxia 2019-09-03 3346 if (S_ISDIR(VFS_I(target_ip)->i_mode) && bc56ad8c74b858 kaixuxia 2019-09-03 3347 (!xfs_dir_isempty(target_ip) || bc56ad8c74b858 kaixuxia 2019-09-03 3348 (VFS_I(target_ip)->i_nlink > 2))) { bc56ad8c74b858 kaixuxia 2019-09-03 3349 error = -EEXIST; bc56ad8c74b858 kaixuxia 2019-09-03 3350 goto out_trans_cancel; bc56ad8c74b858 kaixuxia 2019-09-03 3351 } bc56ad8c74b858 kaixuxia 2019-09-03 3352 } bc56ad8c74b858 kaixuxia 2019-09-03 3353 6da1b4b1ab36d8 Darrick J. Wong 2021-01-22 3354 /* 6da1b4b1ab36d8 Darrick J. Wong 2021-01-22 3355 * Lock the AGI buffers we need to handle bumping the nlink of the 6da1b4b1ab36d8 Darrick J. Wong 2021-01-22 3356 * whiteout inode off the unlinked list and to handle dropping the 6da1b4b1ab36d8 Darrick J. Wong 2021-01-22 3357 * nlink of the target inode. Per locking order rules, do this in 6da1b4b1ab36d8 Darrick J. Wong 2021-01-22 3358 * increasing AG order and before directory block allocation tries to 6da1b4b1ab36d8 Darrick J. Wong 2021-01-22 3359 * grab AGFs because we grab AGIs before AGFs. 6da1b4b1ab36d8 Darrick J. Wong 2021-01-22 3360 * 6da1b4b1ab36d8 Darrick J. Wong 2021-01-22 3361 * The (vfs) caller must ensure that if src is a directory then 6da1b4b1ab36d8 Darrick J. Wong 2021-01-22 3362 * target_ip is either null or an empty directory. 6da1b4b1ab36d8 Darrick J. Wong 2021-01-22 3363 */ 6da1b4b1ab36d8 Darrick J. Wong 2021-01-22 3364 for (i = 0; i < num_inodes && inodes[i] != NULL; i++) { 6da1b4b1ab36d8 Darrick J. Wong 2021-01-22 3365 if (inodes[i] == wip || 6da1b4b1ab36d8 Darrick J. Wong 2021-01-22 3366 (inodes[i] == target_ip && 6da1b4b1ab36d8 Darrick J. Wong 2021-01-22 3367 (VFS_I(target_ip)->i_nlink == 1 || src_is_directory))) { 6da1b4b1ab36d8 Darrick J. Wong 2021-01-22 3368 struct xfs_buf *bp; 6da1b4b1ab36d8 Darrick J. Wong 2021-01-22 3369 xfs_agnumber_t agno; 6da1b4b1ab36d8 Darrick J. Wong 2021-01-22 3370 6da1b4b1ab36d8 Darrick J. Wong 2021-01-22 3371 agno = XFS_INO_TO_AGNO(mp, inodes[i]->i_ino); 6da1b4b1ab36d8 Darrick J. Wong 2021-01-22 3372 error = xfs_read_agi(mp, tp, agno, &bp); 6da1b4b1ab36d8 Darrick J. Wong 2021-01-22 3373 if (error) 6da1b4b1ab36d8 Darrick J. Wong 2021-01-22 3374 goto out_trans_cancel; 6da1b4b1ab36d8 Darrick J. Wong 2021-01-22 3375 } 6da1b4b1ab36d8 Darrick J. Wong 2021-01-22 3376 } 6da1b4b1ab36d8 Darrick J. Wong 2021-01-22 3377 bc56ad8c74b858 kaixuxia 2019-09-03 3378 /* bc56ad8c74b858 kaixuxia 2019-09-03 3379 * Directory entry creation below may acquire the AGF. Remove bc56ad8c74b858 kaixuxia 2019-09-03 3380 * the whiteout from the unlinked list first to preserve correct bc56ad8c74b858 kaixuxia 2019-09-03 3381 * AGI/AGF locking order. This dirties the transaction so failures bc56ad8c74b858 kaixuxia 2019-09-03 3382 * after this point will abort and log recovery will clean up the bc56ad8c74b858 kaixuxia 2019-09-03 3383 * mess. bc56ad8c74b858 kaixuxia 2019-09-03 3384 * bc56ad8c74b858 kaixuxia 2019-09-03 3385 * For whiteouts, we need to bump the link count on the whiteout bc56ad8c74b858 kaixuxia 2019-09-03 3386 * inode. After this point, we have a real link, clear the tmpfile bc56ad8c74b858 kaixuxia 2019-09-03 3387 * state flag from the inode so it doesn't accidentally get misused bc56ad8c74b858 kaixuxia 2019-09-03 3388 * in future. bc56ad8c74b858 kaixuxia 2019-09-03 3389 */ bc56ad8c74b858 kaixuxia 2019-09-03 3390 if (wip) { f40aadb2bb64fe Dave Chinner 2021-06-02 3391 struct xfs_perag *pag; f40aadb2bb64fe Dave Chinner 2021-06-02 3392 bc56ad8c74b858 kaixuxia 2019-09-03 3393 ASSERT(VFS_I(wip)->i_nlink == 0); f40aadb2bb64fe Dave Chinner 2021-06-02 3394 f40aadb2bb64fe Dave Chinner 2021-06-02 3395 pag = xfs_perag_get(mp, XFS_INO_TO_AGNO(mp, wip->i_ino)); f40aadb2bb64fe Dave Chinner 2021-06-02 3396 error = xfs_iunlink_remove(tp, pag, wip); f40aadb2bb64fe Dave Chinner 2021-06-02 3397 xfs_perag_put(pag); bc56ad8c74b858 kaixuxia 2019-09-03 3398 if (error) bc56ad8c74b858 kaixuxia 2019-09-03 3399 goto out_trans_cancel; bc56ad8c74b858 kaixuxia 2019-09-03 3400 bc56ad8c74b858 kaixuxia 2019-09-03 3401 xfs_bumplink(tp, wip); bc56ad8c74b858 kaixuxia 2019-09-03 3402 VFS_I(wip)->i_state &= ~I_LINKABLE; bc56ad8c74b858 kaixuxia 2019-09-03 3403 } bc56ad8c74b858 kaixuxia 2019-09-03 3404 bc56ad8c74b858 kaixuxia 2019-09-03 3405 /* bc56ad8c74b858 kaixuxia 2019-09-03 3406 * Set up the target. bc56ad8c74b858 kaixuxia 2019-09-03 3407 */ bc56ad8c74b858 kaixuxia 2019-09-03 3408 if (target_ip == NULL) { f6bba2017afb3b Dave Chinner 2013-08-12 3409 /* f6bba2017afb3b Dave Chinner 2013-08-12 3410 * If target does not exist and the rename crosses f6bba2017afb3b Dave Chinner 2013-08-12 3411 * directories, adjust the target directory link count f6bba2017afb3b Dave Chinner 2013-08-12 3412 * to account for the ".." reference from the new entry. f6bba2017afb3b Dave Chinner 2013-08-12 3413 */ f6bba2017afb3b Dave Chinner 2013-08-12 3414 error = xfs_dir_createname(tp, target_dp, target_name, 3818584f03ce2d Allison Henderson 2021-03-24 3415 src_ip->i_ino, spaceres, &new_diroffset); f6bba2017afb3b Dave Chinner 2013-08-12 3416 if (error) c8eac49ef798a7 Brian Foster 2018-07-24 3417 goto out_trans_cancel; f6bba2017afb3b Dave Chinner 2013-08-12 3418 f6bba2017afb3b Dave Chinner 2013-08-12 3419 xfs_trans_ichgtime(tp, target_dp, f6bba2017afb3b Dave Chinner 2013-08-12 3420 XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); f6bba2017afb3b Dave Chinner 2013-08-12 3421 f6bba2017afb3b Dave Chinner 2013-08-12 3422 if (new_parent && src_is_directory) { 910832697cf855 Eric Sandeen 2019-05-01 3423 xfs_bumplink(tp, target_dp); f6bba2017afb3b Dave Chinner 2013-08-12 3424 } f6bba2017afb3b Dave Chinner 2013-08-12 3425 } else { /* target_ip != NULL */ f6bba2017afb3b Dave Chinner 2013-08-12 3426 /* f6bba2017afb3b Dave Chinner 2013-08-12 3427 * Link the source inode under the target name. f6bba2017afb3b Dave Chinner 2013-08-12 3428 * If the source inode is a directory and we are moving f6bba2017afb3b Dave Chinner 2013-08-12 3429 * it across directories, its ".." entry will be f6bba2017afb3b Dave Chinner 2013-08-12 3430 * inconsistent until we replace that down below. f6bba2017afb3b Dave Chinner 2013-08-12 3431 * f6bba2017afb3b Dave Chinner 2013-08-12 3432 * In case there is already an entry with the same f6bba2017afb3b Dave Chinner 2013-08-12 3433 * name at the destination directory, remove it first. f6bba2017afb3b Dave Chinner 2013-08-12 3434 */ f6bba2017afb3b Dave Chinner 2013-08-12 3435 error = xfs_dir_replace(tp, target_dp, target_name, 3818584f03ce2d Allison Henderson 2021-03-24 3436 src_ip->i_ino, spaceres, &new_diroffset); f6bba2017afb3b Dave Chinner 2013-08-12 3437 if (error) c8eac49ef798a7 Brian Foster 2018-07-24 3438 goto out_trans_cancel; f6bba2017afb3b Dave Chinner 2013-08-12 3439 f6bba2017afb3b Dave Chinner 2013-08-12 3440 xfs_trans_ichgtime(tp, target_dp, f6bba2017afb3b Dave Chinner 2013-08-12 3441 XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); f6bba2017afb3b Dave Chinner 2013-08-12 3442 f6bba2017afb3b Dave Chinner 2013-08-12 3443 /* f6bba2017afb3b Dave Chinner 2013-08-12 3444 * Decrement the link count on the target since the target f6bba2017afb3b Dave Chinner 2013-08-12 3445 * dir no longer points to it. f6bba2017afb3b Dave Chinner 2013-08-12 3446 */ f6bba2017afb3b Dave Chinner 2013-08-12 3447 error = xfs_droplink(tp, target_ip); f6bba2017afb3b Dave Chinner 2013-08-12 3448 if (error) c8eac49ef798a7 Brian Foster 2018-07-24 3449 goto out_trans_cancel; f6bba2017afb3b Dave Chinner 2013-08-12 3450 f6bba2017afb3b Dave Chinner 2013-08-12 3451 if (src_is_directory) { f6bba2017afb3b Dave Chinner 2013-08-12 3452 /* f6bba2017afb3b Dave Chinner 2013-08-12 3453 * Drop the link from the old "." entry. f6bba2017afb3b Dave Chinner 2013-08-12 3454 */ f6bba2017afb3b Dave Chinner 2013-08-12 3455 error = xfs_droplink(tp, target_ip); f6bba2017afb3b Dave Chinner 2013-08-12 3456 if (error) c8eac49ef798a7 Brian Foster 2018-07-24 3457 goto out_trans_cancel; f6bba2017afb3b Dave Chinner 2013-08-12 3458 } f6bba2017afb3b Dave Chinner 2013-08-12 3459 } /* target_ip != NULL */ f6bba2017afb3b Dave Chinner 2013-08-12 3460 f6bba2017afb3b Dave Chinner 2013-08-12 3461 /* f6bba2017afb3b Dave Chinner 2013-08-12 3462 * Remove the source. f6bba2017afb3b Dave Chinner 2013-08-12 3463 */ f6bba2017afb3b Dave Chinner 2013-08-12 3464 if (new_parent && src_is_directory) { f6bba2017afb3b Dave Chinner 2013-08-12 3465 /* f6bba2017afb3b Dave Chinner 2013-08-12 3466 * Rewrite the ".." entry to point to the new f6bba2017afb3b Dave Chinner 2013-08-12 3467 * directory. f6bba2017afb3b Dave Chinner 2013-08-12 3468 */ f6bba2017afb3b Dave Chinner 2013-08-12 3469 error = xfs_dir_replace(tp, src_ip, &xfs_name_dotdot, 3818584f03ce2d Allison Henderson 2021-03-24 3470 target_dp->i_ino, spaceres, &new_diroffset); 2451337dd04390 Dave Chinner 2014-06-25 3471 ASSERT(error != -EEXIST); f6bba2017afb3b Dave Chinner 2013-08-12 3472 if (error) c8eac49ef798a7 Brian Foster 2018-07-24 3473 goto out_trans_cancel; f6bba2017afb3b Dave Chinner 2013-08-12 3474 } f6bba2017afb3b Dave Chinner 2013-08-12 3475 f6bba2017afb3b Dave Chinner 2013-08-12 3476 /* f6bba2017afb3b Dave Chinner 2013-08-12 3477 * We always want to hit the ctime on the source inode. f6bba2017afb3b Dave Chinner 2013-08-12 3478 * f6bba2017afb3b Dave Chinner 2013-08-12 3479 * This isn't strictly required by the standards since the source f6bba2017afb3b Dave Chinner 2013-08-12 3480 * inode isn't really being changed, but old unix file systems did f6bba2017afb3b Dave Chinner 2013-08-12 3481 * it and some incremental backup programs won't work without it. f6bba2017afb3b Dave Chinner 2013-08-12 3482 */ f6bba2017afb3b Dave Chinner 2013-08-12 3483 xfs_trans_ichgtime(tp, src_ip, XFS_ICHGTIME_CHG); f6bba2017afb3b Dave Chinner 2013-08-12 3484 xfs_trans_log_inode(tp, src_ip, XFS_ILOG_CORE); f6bba2017afb3b Dave Chinner 2013-08-12 3485 f6bba2017afb3b Dave Chinner 2013-08-12 3486 /* f6bba2017afb3b Dave Chinner 2013-08-12 3487 * Adjust the link count on src_dp. This is necessary when f6bba2017afb3b Dave Chinner 2013-08-12 3488 * renaming a directory, either within one parent when f6bba2017afb3b Dave Chinner 2013-08-12 3489 * the target existed, or across two parent directories. f6bba2017afb3b Dave Chinner 2013-08-12 3490 */ f6bba2017afb3b Dave Chinner 2013-08-12 3491 if (src_is_directory && (new_parent || target_ip != NULL)) { f6bba2017afb3b Dave Chinner 2013-08-12 3492 f6bba2017afb3b Dave Chinner 2013-08-12 3493 /* f6bba2017afb3b Dave Chinner 2013-08-12 3494 * Decrement link count on src_directory since the f6bba2017afb3b Dave Chinner 2013-08-12 3495 * entry that's moved no longer points to it. f6bba2017afb3b Dave Chinner 2013-08-12 3496 */ f6bba2017afb3b Dave Chinner 2013-08-12 3497 error = xfs_droplink(tp, src_dp); f6bba2017afb3b Dave Chinner 2013-08-12 3498 if (error) c8eac49ef798a7 Brian Foster 2018-07-24 3499 goto out_trans_cancel; f6bba2017afb3b Dave Chinner 2013-08-12 3500 } f6bba2017afb3b Dave Chinner 2013-08-12 3501 7dcf5c3e4527cf Dave Chinner 2015-03-25 3502 /* 7dcf5c3e4527cf Dave Chinner 2015-03-25 3503 * For whiteouts, we only need to update the source dirent with the 7dcf5c3e4527cf Dave Chinner 2015-03-25 3504 * inode number of the whiteout inode rather than removing it 7dcf5c3e4527cf Dave Chinner 2015-03-25 3505 * altogether. 7dcf5c3e4527cf Dave Chinner 2015-03-25 3506 */ 7dcf5c3e4527cf Dave Chinner 2015-03-25 3507 if (wip) { 7dcf5c3e4527cf Dave Chinner 2015-03-25 3508 error = xfs_dir_replace(tp, src_dp, src_name, wip->i_ino, 3818584f03ce2d Allison Henderson 2021-03-24 3509 spaceres, &old_diroffset); 02092a2f034fde Chandan Babu R 2021-01-22 3510 } else { 02092a2f034fde Chandan Babu R 2021-01-22 3511 /* 02092a2f034fde Chandan Babu R 2021-01-22 3512 * NOTE: We don't need to check for extent count overflow here 02092a2f034fde Chandan Babu R 2021-01-22 3513 * because the dir remove name code will leave the dir block in 02092a2f034fde Chandan Babu R 2021-01-22 3514 * place if the extent count would overflow. 02092a2f034fde Chandan Babu R 2021-01-22 3515 */ f6bba2017afb3b Dave Chinner 2013-08-12 3516 error = xfs_dir_removename(tp, src_dp, src_name, src_ip->i_ino, 3818584f03ce2d Allison Henderson 2021-03-24 3517 spaceres, &old_diroffset); 02092a2f034fde Chandan Babu R 2021-01-22 3518 } 02092a2f034fde Chandan Babu R 2021-01-22 3519 f6bba2017afb3b Dave Chinner 2013-08-12 3520 if (error) c8eac49ef798a7 Brian Foster 2018-07-24 3521 goto out_trans_cancel; f6bba2017afb3b Dave Chinner 2013-08-12 3522 3818584f03ce2d Allison Henderson 2021-03-24 3523 out_pptr: 3818584f03ce2d Allison Henderson 2021-03-24 3524 if (xfs_sb_version_hasparent(&mp->m_sb)) { 3818584f03ce2d Allison Henderson 2021-03-24 3525 new_args.trans = tp; 3818584f03ce2d Allison Henderson 2021-03-24 3526 xfs_init_parent_name_rec(&new_rec, target_dp, new_diroffset); 3818584f03ce2d Allison Henderson 2021-03-24 3527 new_args.hashval = xfs_da_hashname(new_args.name, 3818584f03ce2d Allison Henderson 2021-03-24 3528 new_args.namelen); 3818584f03ce2d Allison Henderson 2021-03-24 3529 error = xfs_attr_set_deferred(&new_args); 3818584f03ce2d Allison Henderson 2021-03-24 3530 if (error) 3818584f03ce2d Allison Henderson 2021-03-24 3531 goto out_trans_cancel; 3818584f03ce2d Allison Henderson 2021-03-24 3532 3818584f03ce2d Allison Henderson 2021-03-24 3533 old_args.trans = tp; 3818584f03ce2d Allison Henderson 2021-03-24 3534 xfs_init_parent_name_rec(&old_rec, src_dp, old_diroffset); 3818584f03ce2d Allison Henderson 2021-03-24 3535 old_args.hashval = xfs_da_hashname(old_args.name, 3818584f03ce2d Allison Henderson 2021-03-24 3536 old_args.namelen); 3818584f03ce2d Allison Henderson 2021-03-24 3537 error = xfs_attr_remove_deferred(&old_args); 3818584f03ce2d Allison Henderson 2021-03-24 3538 if (error) 3818584f03ce2d Allison Henderson 2021-03-24 3539 goto out_trans_cancel; 3818584f03ce2d Allison Henderson 2021-03-24 3540 } 3818584f03ce2d Allison Henderson 2021-03-24 3541 f6bba2017afb3b Dave Chinner 2013-08-12 3542 xfs_trans_ichgtime(tp, src_dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); f6bba2017afb3b Dave Chinner 2013-08-12 3543 xfs_trans_log_inode(tp, src_dp, XFS_ILOG_CORE); f6bba2017afb3b Dave Chinner 2013-08-12 3544 if (new_parent) f6bba2017afb3b Dave Chinner 2013-08-12 3545 xfs_trans_log_inode(tp, target_dp, XFS_ILOG_CORE); f6bba2017afb3b Dave Chinner 2013-08-12 3546 c9cfdb38117217 Brian Foster 2018-07-11 3547 error = xfs_finish_rename(tp); 3818584f03ce2d Allison Henderson 2021-03-24 3548 3818584f03ce2d Allison Henderson 2021-03-24 3549 out_unlock: 7dcf5c3e4527cf Dave Chinner 2015-03-25 3550 if (wip) 44a8736bd20a08 Darrick J. Wong 2018-07-25 3551 xfs_irele(wip); 3818584f03ce2d Allison Henderson 2021-03-24 3552 if (wip) 3818584f03ce2d Allison Henderson 2021-03-24 3553 xfs_iunlock(wip, XFS_ILOCK_EXCL); 3818584f03ce2d Allison Henderson 2021-03-24 3554 if (target_ip) 3818584f03ce2d Allison Henderson 2021-03-24 3555 xfs_iunlock(target_ip, XFS_ILOCK_EXCL); 3818584f03ce2d Allison Henderson 2021-03-24 3556 xfs_iunlock(src_ip, XFS_ILOCK_EXCL); 3818584f03ce2d Allison Henderson 2021-03-24 3557 if (new_parent) 3818584f03ce2d Allison Henderson 2021-03-24 3558 xfs_iunlock(target_dp, XFS_ILOCK_EXCL); 3818584f03ce2d Allison Henderson 2021-03-24 3559 xfs_iunlock(src_dp, XFS_ILOCK_EXCL); 3818584f03ce2d Allison Henderson 2021-03-24 3560 7dcf5c3e4527cf Dave Chinner 2015-03-25 3561 return error; f6bba2017afb3b Dave Chinner 2013-08-12 3562 445883e8133975 Dave Chinner 2015-03-25 3563 out_trans_cancel: 4906e21545814e Christoph Hellwig 2015-06-04 3564 xfs_trans_cancel(tp); 3818584f03ce2d Allison Henderson 2021-03-24 3565 drop_incompat: 3818584f03ce2d Allison Henderson 2021-03-24 3566 if (xfs_hasdelattr(mp)) 3818584f03ce2d Allison Henderson 2021-03-24 3567 xlog_drop_incompat_feat(mp->m_log); 253f4911f297b8 Christoph Hellwig 2016-04-06 3568 out_release_wip: 7dcf5c3e4527cf Dave Chinner 2015-03-25 3569 if (wip) 44a8736bd20a08 Darrick J. Wong 2018-07-25 3570 xfs_irele(wip); f6bba2017afb3b Dave Chinner 2013-08-12 3571 return error; f6bba2017afb3b Dave Chinner 2013-08-12 3572 } f6bba2017afb3b Dave Chinner 2013-08-12 3573 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[unhandled content-type:application/gzip]_______________________________________________ kbuild mailing list -- kbuild@lists.01.org To unsubscribe send an email to kbuild-leave@lists.01.org
| |