| 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | /* |
| 3 | * fs/f2fs/inode.c |
| 4 | * |
| 5 | * Copyright (c) 2012 Samsung Electronics Co., Ltd. |
| 6 | * http://www.samsung.com/ |
| 7 | */ |
| 8 | #include <linux/fs.h> |
| 9 | #include <linux/f2fs_fs.h> |
| 10 | #include <linux/buffer_head.h> |
| 11 | #include <linux/writeback.h> |
| 12 | #include <linux/sched/mm.h> |
| 13 | #include <linux/lz4.h> |
| 14 | #include <linux/zstd.h> |
| 15 | |
| 16 | #include "f2fs.h" |
| 17 | #include "node.h" |
| 18 | #include "segment.h" |
| 19 | #include "xattr.h" |
| 20 | |
| 21 | #include <trace/events/f2fs.h> |
| 22 | |
| 23 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
| 24 | extern const struct address_space_operations f2fs_compress_aops; |
| 25 | #endif |
| 26 | |
| 27 | void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync) |
| 28 | { |
| 29 | if (is_inode_flag_set(inode, FI_NEW_INODE)) |
| 30 | return; |
| 31 | |
| 32 | if (f2fs_inode_dirtied(inode, sync)) |
| 33 | return; |
| 34 | |
| 35 | mark_inode_dirty_sync(inode); |
| 36 | } |
| 37 | |
| 38 | void f2fs_set_inode_flags(struct inode *inode) |
| 39 | { |
| 40 | unsigned int flags = F2FS_I(inode)->i_flags; |
| 41 | unsigned int new_fl = 0; |
| 42 | |
| 43 | if (flags & F2FS_SYNC_FL) |
| 44 | new_fl |= S_SYNC; |
| 45 | if (flags & F2FS_APPEND_FL) |
| 46 | new_fl |= S_APPEND; |
| 47 | if (flags & F2FS_IMMUTABLE_FL) |
| 48 | new_fl |= S_IMMUTABLE; |
| 49 | if (flags & F2FS_NOATIME_FL) |
| 50 | new_fl |= S_NOATIME; |
| 51 | if (flags & F2FS_DIRSYNC_FL) |
| 52 | new_fl |= S_DIRSYNC; |
| 53 | if (file_is_encrypt(inode)) |
| 54 | new_fl |= S_ENCRYPTED; |
| 55 | if (file_is_verity(inode)) |
| 56 | new_fl |= S_VERITY; |
| 57 | if (flags & F2FS_CASEFOLD_FL) |
| 58 | new_fl |= S_CASEFOLD; |
| 59 | inode_set_flags(inode, new_fl, |
| 60 | S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC| |
| 61 | S_ENCRYPTED|S_VERITY|S_CASEFOLD); |
| 62 | } |
| 63 | |
| 64 | static void __get_inode_rdev(struct inode *inode, struct f2fs_inode *ri) |
| 65 | { |
| 66 | int extra_size = get_extra_isize(inode); |
| 67 | |
| 68 | if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) || |
| 69 | S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) { |
| 70 | if (ri->i_addr[extra_size]) |
| 71 | inode->i_rdev = old_decode_dev( |
| 72 | le32_to_cpu(ri->i_addr[extra_size])); |
| 73 | else |
| 74 | inode->i_rdev = new_decode_dev( |
| 75 | le32_to_cpu(ri->i_addr[extra_size + 1])); |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | static int __written_first_block(struct f2fs_sb_info *sbi, |
| 80 | struct f2fs_inode *ri) |
| 81 | { |
| 82 | block_t addr = le32_to_cpu(ri->i_addr[offset_in_addr(ri)]); |
| 83 | |
| 84 | if (!__is_valid_data_blkaddr(addr)) |
| 85 | return 1; |
| 86 | if (!f2fs_is_valid_blkaddr(sbi, addr, DATA_GENERIC_ENHANCE)) { |
| 87 | f2fs_handle_error(sbi, ERROR_INVALID_BLKADDR); |
| 88 | return -EFSCORRUPTED; |
| 89 | } |
| 90 | return 0; |
| 91 | } |
| 92 | |
| 93 | static void __set_inode_rdev(struct inode *inode, struct f2fs_inode *ri) |
| 94 | { |
| 95 | int extra_size = get_extra_isize(inode); |
| 96 | |
| 97 | if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) { |
| 98 | if (old_valid_dev(inode->i_rdev)) { |
| 99 | ri->i_addr[extra_size] = |
| 100 | cpu_to_le32(old_encode_dev(inode->i_rdev)); |
| 101 | ri->i_addr[extra_size + 1] = 0; |
| 102 | } else { |
| 103 | ri->i_addr[extra_size] = 0; |
| 104 | ri->i_addr[extra_size + 1] = |
| 105 | cpu_to_le32(new_encode_dev(inode->i_rdev)); |
| 106 | ri->i_addr[extra_size + 2] = 0; |
| 107 | } |
| 108 | } |
| 109 | } |
| 110 | |
| 111 | static void __recover_inline_status(struct inode *inode, struct page *ipage) |
| 112 | { |
| 113 | void *inline_data = inline_data_addr(inode, ipage); |
| 114 | __le32 *start = inline_data; |
| 115 | __le32 *end = start + MAX_INLINE_DATA(inode) / sizeof(__le32); |
| 116 | |
| 117 | while (start < end) { |
| 118 | if (*start++) { |
| 119 | f2fs_wait_on_page_writeback(ipage, NODE, true, true); |
| 120 | |
| 121 | set_inode_flag(inode, FI_DATA_EXIST); |
| 122 | set_raw_inline(inode, F2FS_INODE(ipage)); |
| 123 | set_page_dirty(ipage); |
| 124 | return; |
| 125 | } |
| 126 | } |
| 127 | return; |
| 128 | } |
| 129 | |
| 130 | static bool f2fs_enable_inode_chksum(struct f2fs_sb_info *sbi, struct page *page) |
| 131 | { |
| 132 | struct f2fs_inode *ri = &F2FS_NODE(page)->i; |
| 133 | |
| 134 | if (!f2fs_sb_has_inode_chksum(sbi)) |
| 135 | return false; |
| 136 | |
| 137 | if (!IS_INODE(page) || !(ri->i_inline & F2FS_EXTRA_ATTR)) |
| 138 | return false; |
| 139 | |
| 140 | if (!F2FS_FITS_IN_INODE(ri, le16_to_cpu(ri->i_extra_isize), |
| 141 | i_inode_checksum)) |
| 142 | return false; |
| 143 | |
| 144 | return true; |
| 145 | } |
| 146 | |
| 147 | static __u32 f2fs_inode_chksum(struct f2fs_sb_info *sbi, struct page *page) |
| 148 | { |
| 149 | struct f2fs_node *node = F2FS_NODE(page); |
| 150 | struct f2fs_inode *ri = &node->i; |
| 151 | __le32 ino = node->footer.ino; |
| 152 | __le32 gen = ri->i_generation; |
| 153 | __u32 chksum, chksum_seed; |
| 154 | __u32 dummy_cs = 0; |
| 155 | unsigned int offset = offsetof(struct f2fs_inode, i_inode_checksum); |
| 156 | unsigned int cs_size = sizeof(dummy_cs); |
| 157 | |
| 158 | chksum = f2fs_chksum(sbi, sbi->s_chksum_seed, (__u8 *)&ino, |
| 159 | sizeof(ino)); |
| 160 | chksum_seed = f2fs_chksum(sbi, chksum, (__u8 *)&gen, sizeof(gen)); |
| 161 | |
| 162 | chksum = f2fs_chksum(sbi, chksum_seed, (__u8 *)ri, offset); |
| 163 | chksum = f2fs_chksum(sbi, chksum, (__u8 *)&dummy_cs, cs_size); |
| 164 | offset += cs_size; |
| 165 | chksum = f2fs_chksum(sbi, chksum, (__u8 *)ri + offset, |
| 166 | F2FS_BLKSIZE - offset); |
| 167 | return chksum; |
| 168 | } |
| 169 | |
| 170 | bool f2fs_inode_chksum_verify(struct f2fs_sb_info *sbi, struct page *page) |
| 171 | { |
| 172 | struct f2fs_inode *ri; |
| 173 | __u32 provided, calculated; |
| 174 | |
| 175 | if (unlikely(is_sbi_flag_set(sbi, SBI_IS_SHUTDOWN))) |
| 176 | return true; |
| 177 | |
| 178 | #ifdef CONFIG_F2FS_CHECK_FS |
| 179 | if (!f2fs_enable_inode_chksum(sbi, page)) |
| 180 | #else |
| 181 | if (!f2fs_enable_inode_chksum(sbi, page) || |
| 182 | PageDirty(page) || PageWriteback(page)) |
| 183 | #endif |
| 184 | return true; |
| 185 | |
| 186 | ri = &F2FS_NODE(page)->i; |
| 187 | provided = le32_to_cpu(ri->i_inode_checksum); |
| 188 | calculated = f2fs_inode_chksum(sbi, page); |
| 189 | |
| 190 | if (provided != calculated) |
| 191 | f2fs_warn(sbi, "checksum invalid, nid = %lu, ino_of_node = %x, %x vs. %x", |
| 192 | page->index, ino_of_node(page), provided, calculated); |
| 193 | |
| 194 | return provided == calculated; |
| 195 | } |
| 196 | |
| 197 | void f2fs_inode_chksum_set(struct f2fs_sb_info *sbi, struct page *page) |
| 198 | { |
| 199 | struct f2fs_inode *ri = &F2FS_NODE(page)->i; |
| 200 | |
| 201 | if (!f2fs_enable_inode_chksum(sbi, page)) |
| 202 | return; |
| 203 | |
| 204 | ri->i_inode_checksum = cpu_to_le32(f2fs_inode_chksum(sbi, page)); |
| 205 | } |
| 206 | |
| 207 | static bool sanity_check_compress_inode(struct inode *inode, |
| 208 | struct f2fs_inode *ri) |
| 209 | { |
| 210 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
| 211 | unsigned char clevel; |
| 212 | |
| 213 | if (ri->i_compress_algorithm >= COMPRESS_MAX) { |
| 214 | f2fs_warn(sbi, |
| 215 | "%s: inode (ino=%lx) has unsupported compress algorithm: %u, run fsck to fix", |
| 216 | __func__, inode->i_ino, ri->i_compress_algorithm); |
| 217 | return false; |
| 218 | } |
| 219 | if (le64_to_cpu(ri->i_compr_blocks) > |
| 220 | SECTOR_TO_BLOCK(inode->i_blocks)) { |
| 221 | f2fs_warn(sbi, |
| 222 | "%s: inode (ino=%lx) has inconsistent i_compr_blocks:%llu, i_blocks:%llu, run fsck to fix", |
| 223 | __func__, inode->i_ino, le64_to_cpu(ri->i_compr_blocks), |
| 224 | SECTOR_TO_BLOCK(inode->i_blocks)); |
| 225 | return false; |
| 226 | } |
| 227 | if (ri->i_log_cluster_size < MIN_COMPRESS_LOG_SIZE || |
| 228 | ri->i_log_cluster_size > MAX_COMPRESS_LOG_SIZE) { |
| 229 | f2fs_warn(sbi, |
| 230 | "%s: inode (ino=%lx) has unsupported log cluster size: %u, run fsck to fix", |
| 231 | __func__, inode->i_ino, ri->i_log_cluster_size); |
| 232 | return false; |
| 233 | } |
| 234 | |
| 235 | clevel = le16_to_cpu(ri->i_compress_flag) >> |
| 236 | COMPRESS_LEVEL_OFFSET; |
| 237 | switch (ri->i_compress_algorithm) { |
| 238 | case COMPRESS_LZO: |
| 239 | #ifdef CONFIG_F2FS_FS_LZO |
| 240 | if (clevel) |
| 241 | goto err_level; |
| 242 | #endif |
| 243 | break; |
| 244 | case COMPRESS_LZORLE: |
| 245 | #ifdef CONFIG_F2FS_FS_LZORLE |
| 246 | if (clevel) |
| 247 | goto err_level; |
| 248 | #endif |
| 249 | break; |
| 250 | case COMPRESS_LZ4: |
| 251 | #ifdef CONFIG_F2FS_FS_LZ4 |
| 252 | #ifdef CONFIG_F2FS_FS_LZ4HC |
| 253 | if (clevel && |
| 254 | (clevel < LZ4HC_MIN_CLEVEL || clevel > LZ4HC_MAX_CLEVEL)) |
| 255 | goto err_level; |
| 256 | #else |
| 257 | if (clevel) |
| 258 | goto err_level; |
| 259 | #endif |
| 260 | #endif |
| 261 | break; |
| 262 | case COMPRESS_ZSTD: |
| 263 | #ifdef CONFIG_F2FS_FS_ZSTD |
| 264 | if (clevel < zstd_min_clevel() || clevel > zstd_max_clevel()) |
| 265 | goto err_level; |
| 266 | #endif |
| 267 | break; |
| 268 | default: |
| 269 | goto err_level; |
| 270 | } |
| 271 | |
| 272 | return true; |
| 273 | err_level: |
| 274 | f2fs_warn(sbi, "%s: inode (ino=%lx) has unsupported compress level: %u, run fsck to fix", |
| 275 | __func__, inode->i_ino, clevel); |
| 276 | return false; |
| 277 | } |
| 278 | |
| 279 | static bool sanity_check_inode(struct inode *inode, struct page *node_page) |
| 280 | { |
| 281 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
| 282 | struct f2fs_inode_info *fi = F2FS_I(inode); |
| 283 | struct f2fs_inode *ri = F2FS_INODE(node_page); |
| 284 | unsigned long long iblocks; |
| 285 | |
| 286 | iblocks = le64_to_cpu(F2FS_INODE(node_page)->i_blocks); |
| 287 | if (!iblocks) { |
| 288 | f2fs_warn(sbi, "%s: corrupted inode i_blocks i_ino=%lx iblocks=%llu, run fsck to fix.", |
| 289 | __func__, inode->i_ino, iblocks); |
| 290 | return false; |
| 291 | } |
| 292 | |
| 293 | if (ino_of_node(node_page) != nid_of_node(node_page)) { |
| 294 | f2fs_warn(sbi, "%s: corrupted inode footer i_ino=%lx, ino,nid: [%u, %u] run fsck to fix.", |
| 295 | __func__, inode->i_ino, |
| 296 | ino_of_node(node_page), nid_of_node(node_page)); |
| 297 | return false; |
| 298 | } |
| 299 | |
| 300 | if (f2fs_has_extra_attr(inode)) { |
| 301 | if (!f2fs_sb_has_extra_attr(sbi)) { |
| 302 | f2fs_warn(sbi, "%s: inode (ino=%lx) is with extra_attr, but extra_attr feature is off", |
| 303 | __func__, inode->i_ino); |
| 304 | return false; |
| 305 | } |
| 306 | if (fi->i_extra_isize > F2FS_TOTAL_EXTRA_ATTR_SIZE || |
| 307 | fi->i_extra_isize < F2FS_MIN_EXTRA_ATTR_SIZE || |
| 308 | fi->i_extra_isize % sizeof(__le32)) { |
| 309 | f2fs_warn(sbi, "%s: inode (ino=%lx) has corrupted i_extra_isize: %d, max: %zu", |
| 310 | __func__, inode->i_ino, fi->i_extra_isize, |
| 311 | F2FS_TOTAL_EXTRA_ATTR_SIZE); |
| 312 | return false; |
| 313 | } |
| 314 | if (f2fs_sb_has_flexible_inline_xattr(sbi) && |
| 315 | f2fs_has_inline_xattr(inode) && |
| 316 | (!fi->i_inline_xattr_size || |
| 317 | fi->i_inline_xattr_size > MAX_INLINE_XATTR_SIZE)) { |
| 318 | f2fs_warn(sbi, "%s: inode (ino=%lx) has corrupted i_inline_xattr_size: %d, max: %lu", |
| 319 | __func__, inode->i_ino, fi->i_inline_xattr_size, |
| 320 | MAX_INLINE_XATTR_SIZE); |
| 321 | return false; |
| 322 | } |
| 323 | if (f2fs_sb_has_compression(sbi) && |
| 324 | fi->i_flags & F2FS_COMPR_FL && |
| 325 | F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, |
| 326 | i_compress_flag)) { |
| 327 | if (!sanity_check_compress_inode(inode, ri)) |
| 328 | return false; |
| 329 | } |
| 330 | } else if (f2fs_sb_has_flexible_inline_xattr(sbi)) { |
| 331 | f2fs_warn(sbi, "%s: corrupted inode ino=%lx, run fsck to fix.", |
| 332 | __func__, inode->i_ino); |
| 333 | return false; |
| 334 | } |
| 335 | |
| 336 | if (!f2fs_sb_has_extra_attr(sbi)) { |
| 337 | if (f2fs_sb_has_project_quota(sbi)) { |
| 338 | f2fs_warn(sbi, "%s: corrupted inode ino=%lx, wrong feature flag: %u, run fsck to fix.", |
| 339 | __func__, inode->i_ino, F2FS_FEATURE_PRJQUOTA); |
| 340 | return false; |
| 341 | } |
| 342 | if (f2fs_sb_has_inode_chksum(sbi)) { |
| 343 | f2fs_warn(sbi, "%s: corrupted inode ino=%lx, wrong feature flag: %u, run fsck to fix.", |
| 344 | __func__, inode->i_ino, F2FS_FEATURE_INODE_CHKSUM); |
| 345 | return false; |
| 346 | } |
| 347 | if (f2fs_sb_has_flexible_inline_xattr(sbi)) { |
| 348 | f2fs_warn(sbi, "%s: corrupted inode ino=%lx, wrong feature flag: %u, run fsck to fix.", |
| 349 | __func__, inode->i_ino, F2FS_FEATURE_FLEXIBLE_INLINE_XATTR); |
| 350 | return false; |
| 351 | } |
| 352 | if (f2fs_sb_has_inode_crtime(sbi)) { |
| 353 | f2fs_warn(sbi, "%s: corrupted inode ino=%lx, wrong feature flag: %u, run fsck to fix.", |
| 354 | __func__, inode->i_ino, F2FS_FEATURE_INODE_CRTIME); |
| 355 | return false; |
| 356 | } |
| 357 | if (f2fs_sb_has_compression(sbi)) { |
| 358 | f2fs_warn(sbi, "%s: corrupted inode ino=%lx, wrong feature flag: %u, run fsck to fix.", |
| 359 | __func__, inode->i_ino, F2FS_FEATURE_COMPRESSION); |
| 360 | return false; |
| 361 | } |
| 362 | } |
| 363 | |
| 364 | if (f2fs_sanity_check_inline_data(inode)) { |
| 365 | f2fs_warn(sbi, "%s: inode (ino=%lx, mode=%u) should not have inline_data, run fsck to fix", |
| 366 | __func__, inode->i_ino, inode->i_mode); |
| 367 | return false; |
| 368 | } |
| 369 | |
| 370 | if (f2fs_has_inline_dentry(inode) && !S_ISDIR(inode->i_mode)) { |
| 371 | f2fs_warn(sbi, "%s: inode (ino=%lx, mode=%u) should not have inline_dentry, run fsck to fix", |
| 372 | __func__, inode->i_ino, inode->i_mode); |
| 373 | return false; |
| 374 | } |
| 375 | |
| 376 | if ((fi->i_flags & F2FS_CASEFOLD_FL) && !f2fs_sb_has_casefold(sbi)) { |
| 377 | f2fs_warn(sbi, "%s: inode (ino=%lx) has casefold flag, but casefold feature is off", |
| 378 | __func__, inode->i_ino); |
| 379 | return false; |
| 380 | } |
| 381 | |
| 382 | return true; |
| 383 | } |
| 384 | |
| 385 | static void init_idisk_time(struct inode *inode) |
| 386 | { |
| 387 | struct f2fs_inode_info *fi = F2FS_I(inode); |
| 388 | |
| 389 | fi->i_disk_time[0] = inode_get_atime(inode); |
| 390 | fi->i_disk_time[1] = inode_get_ctime(inode); |
| 391 | fi->i_disk_time[2] = inode_get_mtime(inode); |
| 392 | } |
| 393 | |
| 394 | static int do_read_inode(struct inode *inode) |
| 395 | { |
| 396 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
| 397 | struct f2fs_inode_info *fi = F2FS_I(inode); |
| 398 | struct page *node_page; |
| 399 | struct f2fs_inode *ri; |
| 400 | projid_t i_projid; |
| 401 | int err; |
| 402 | |
| 403 | /* Check if ino is within scope */ |
| 404 | if (f2fs_check_nid_range(sbi, inode->i_ino)) |
| 405 | return -EINVAL; |
| 406 | |
| 407 | node_page = f2fs_get_node_page(sbi, inode->i_ino); |
| 408 | if (IS_ERR(node_page)) |
| 409 | return PTR_ERR(node_page); |
| 410 | |
| 411 | ri = F2FS_INODE(node_page); |
| 412 | |
| 413 | inode->i_mode = le16_to_cpu(ri->i_mode); |
| 414 | i_uid_write(inode, le32_to_cpu(ri->i_uid)); |
| 415 | i_gid_write(inode, le32_to_cpu(ri->i_gid)); |
| 416 | set_nlink(inode, le32_to_cpu(ri->i_links)); |
| 417 | inode->i_size = le64_to_cpu(ri->i_size); |
| 418 | inode->i_blocks = SECTOR_FROM_BLOCK(le64_to_cpu(ri->i_blocks) - 1); |
| 419 | |
| 420 | inode_set_atime(inode, le64_to_cpu(ri->i_atime), |
| 421 | le32_to_cpu(ri->i_atime_nsec)); |
| 422 | inode_set_ctime(inode, le64_to_cpu(ri->i_ctime), |
| 423 | le32_to_cpu(ri->i_ctime_nsec)); |
| 424 | inode_set_mtime(inode, le64_to_cpu(ri->i_mtime), |
| 425 | le32_to_cpu(ri->i_mtime_nsec)); |
| 426 | inode->i_generation = le32_to_cpu(ri->i_generation); |
| 427 | if (S_ISDIR(inode->i_mode)) |
| 428 | fi->i_current_depth = le32_to_cpu(ri->i_current_depth); |
| 429 | else if (S_ISREG(inode->i_mode)) |
| 430 | fi->i_gc_failures[GC_FAILURE_PIN] = |
| 431 | le16_to_cpu(ri->i_gc_failures); |
| 432 | fi->i_xattr_nid = le32_to_cpu(ri->i_xattr_nid); |
| 433 | fi->i_flags = le32_to_cpu(ri->i_flags); |
| 434 | if (S_ISREG(inode->i_mode)) |
| 435 | fi->i_flags &= ~F2FS_PROJINHERIT_FL; |
| 436 | bitmap_zero(fi->flags, FI_MAX); |
| 437 | fi->i_advise = ri->i_advise; |
| 438 | fi->i_pino = le32_to_cpu(ri->i_pino); |
| 439 | fi->i_dir_level = ri->i_dir_level; |
| 440 | |
| 441 | get_inline_info(inode, ri); |
| 442 | |
| 443 | fi->i_extra_isize = f2fs_has_extra_attr(inode) ? |
| 444 | le16_to_cpu(ri->i_extra_isize) : 0; |
| 445 | |
| 446 | if (f2fs_sb_has_flexible_inline_xattr(sbi)) { |
| 447 | fi->i_inline_xattr_size = le16_to_cpu(ri->i_inline_xattr_size); |
| 448 | } else if (f2fs_has_inline_xattr(inode) || |
| 449 | f2fs_has_inline_dentry(inode)) { |
| 450 | fi->i_inline_xattr_size = DEFAULT_INLINE_XATTR_ADDRS; |
| 451 | } else { |
| 452 | |
| 453 | /* |
| 454 | * Previous inline data or directory always reserved 200 bytes |
| 455 | * in inode layout, even if inline_xattr is disabled. In order |
| 456 | * to keep inline_dentry's structure for backward compatibility, |
| 457 | * we get the space back only from inline_data. |
| 458 | */ |
| 459 | fi->i_inline_xattr_size = 0; |
| 460 | } |
| 461 | |
| 462 | if (!sanity_check_inode(inode, node_page)) { |
| 463 | f2fs_put_page(node_page, 1); |
| 464 | set_sbi_flag(sbi, SBI_NEED_FSCK); |
| 465 | f2fs_handle_error(sbi, ERROR_CORRUPTED_INODE); |
| 466 | return -EFSCORRUPTED; |
| 467 | } |
| 468 | |
| 469 | /* check data exist */ |
| 470 | if (f2fs_has_inline_data(inode) && !f2fs_exist_data(inode)) |
| 471 | __recover_inline_status(inode, node_page); |
| 472 | |
| 473 | /* try to recover cold bit for non-dir inode */ |
| 474 | if (!S_ISDIR(inode->i_mode) && !is_cold_node(node_page)) { |
| 475 | f2fs_wait_on_page_writeback(node_page, NODE, true, true); |
| 476 | set_cold_node(node_page, false); |
| 477 | set_page_dirty(node_page); |
| 478 | } |
| 479 | |
| 480 | /* get rdev by using inline_info */ |
| 481 | __get_inode_rdev(inode, ri); |
| 482 | |
| 483 | if (S_ISREG(inode->i_mode)) { |
| 484 | err = __written_first_block(sbi, ri); |
| 485 | if (err < 0) { |
| 486 | f2fs_put_page(node_page, 1); |
| 487 | return err; |
| 488 | } |
| 489 | if (!err) |
| 490 | set_inode_flag(inode, FI_FIRST_BLOCK_WRITTEN); |
| 491 | } |
| 492 | |
| 493 | if (!f2fs_need_inode_block_update(sbi, inode->i_ino)) |
| 494 | fi->last_disk_size = inode->i_size; |
| 495 | |
| 496 | if (fi->i_flags & F2FS_PROJINHERIT_FL) |
| 497 | set_inode_flag(inode, FI_PROJ_INHERIT); |
| 498 | |
| 499 | if (f2fs_has_extra_attr(inode) && f2fs_sb_has_project_quota(sbi) && |
| 500 | F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, i_projid)) |
| 501 | i_projid = (projid_t)le32_to_cpu(ri->i_projid); |
| 502 | else |
| 503 | i_projid = F2FS_DEF_PROJID; |
| 504 | fi->i_projid = make_kprojid(&init_user_ns, i_projid); |
| 505 | |
| 506 | if (f2fs_has_extra_attr(inode) && f2fs_sb_has_inode_crtime(sbi) && |
| 507 | F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, i_crtime)) { |
| 508 | fi->i_crtime.tv_sec = le64_to_cpu(ri->i_crtime); |
| 509 | fi->i_crtime.tv_nsec = le32_to_cpu(ri->i_crtime_nsec); |
| 510 | } |
| 511 | |
| 512 | if (f2fs_has_extra_attr(inode) && f2fs_sb_has_compression(sbi) && |
| 513 | (fi->i_flags & F2FS_COMPR_FL)) { |
| 514 | if (F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, |
| 515 | i_compress_flag)) { |
| 516 | unsigned short compress_flag; |
| 517 | |
| 518 | atomic_set(&fi->i_compr_blocks, |
| 519 | le64_to_cpu(ri->i_compr_blocks)); |
| 520 | fi->i_compress_algorithm = ri->i_compress_algorithm; |
| 521 | fi->i_log_cluster_size = ri->i_log_cluster_size; |
| 522 | compress_flag = le16_to_cpu(ri->i_compress_flag); |
| 523 | fi->i_compress_level = compress_flag >> |
| 524 | COMPRESS_LEVEL_OFFSET; |
| 525 | fi->i_compress_flag = compress_flag & |
| 526 | GENMASK(COMPRESS_LEVEL_OFFSET - 1, 0); |
| 527 | fi->i_cluster_size = BIT(fi->i_log_cluster_size); |
| 528 | set_inode_flag(inode, FI_COMPRESSED_FILE); |
| 529 | } |
| 530 | } |
| 531 | |
| 532 | init_idisk_time(inode); |
| 533 | |
| 534 | /* Need all the flag bits */ |
| 535 | f2fs_init_read_extent_tree(inode, node_page); |
| 536 | f2fs_init_age_extent_tree(inode); |
| 537 | |
| 538 | if (!sanity_check_extent_cache(inode)) { |
| 539 | f2fs_put_page(node_page, 1); |
| 540 | f2fs_handle_error(sbi, ERROR_CORRUPTED_INODE); |
| 541 | return -EFSCORRUPTED; |
| 542 | } |
| 543 | |
| 544 | f2fs_put_page(node_page, 1); |
| 545 | |
| 546 | stat_inc_inline_xattr(inode); |
| 547 | stat_inc_inline_inode(inode); |
| 548 | stat_inc_inline_dir(inode); |
| 549 | stat_inc_compr_inode(inode); |
| 550 | stat_add_compr_blocks(inode, atomic_read(&fi->i_compr_blocks)); |
| 551 | |
| 552 | return 0; |
| 553 | } |
| 554 | |
| 555 | static bool is_meta_ino(struct f2fs_sb_info *sbi, unsigned int ino) |
| 556 | { |
| 557 | return ino == F2FS_NODE_INO(sbi) || ino == F2FS_META_INO(sbi) || |
| 558 | ino == F2FS_COMPRESS_INO(sbi); |
| 559 | } |
| 560 | |
| 561 | struct inode *f2fs_iget(struct super_block *sb, unsigned long ino) |
| 562 | { |
| 563 | struct f2fs_sb_info *sbi = F2FS_SB(sb); |
| 564 | struct inode *inode; |
| 565 | int ret = 0; |
| 566 | |
| 567 | inode = iget_locked(sb, ino); |
| 568 | if (!inode) |
| 569 | return ERR_PTR(-ENOMEM); |
| 570 | |
| 571 | if (!(inode->i_state & I_NEW)) { |
| 572 | if (is_meta_ino(sbi, ino)) { |
| 573 | f2fs_err(sbi, "inaccessible inode: %lu, run fsck to repair", ino); |
| 574 | set_sbi_flag(sbi, SBI_NEED_FSCK); |
| 575 | ret = -EFSCORRUPTED; |
| 576 | trace_f2fs_iget_exit(inode, ret); |
| 577 | iput(inode); |
| 578 | f2fs_handle_error(sbi, ERROR_CORRUPTED_INODE); |
| 579 | return ERR_PTR(ret); |
| 580 | } |
| 581 | |
| 582 | trace_f2fs_iget(inode); |
| 583 | return inode; |
| 584 | } |
| 585 | |
| 586 | if (is_meta_ino(sbi, ino)) |
| 587 | goto make_now; |
| 588 | |
| 589 | ret = do_read_inode(inode); |
| 590 | if (ret) |
| 591 | goto bad_inode; |
| 592 | make_now: |
| 593 | if (ino == F2FS_NODE_INO(sbi)) { |
| 594 | inode->i_mapping->a_ops = &f2fs_node_aops; |
| 595 | mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS); |
| 596 | } else if (ino == F2FS_META_INO(sbi)) { |
| 597 | inode->i_mapping->a_ops = &f2fs_meta_aops; |
| 598 | mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS); |
| 599 | } else if (ino == F2FS_COMPRESS_INO(sbi)) { |
| 600 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
| 601 | inode->i_mapping->a_ops = &f2fs_compress_aops; |
| 602 | /* |
| 603 | * generic_error_remove_page only truncates pages of regular |
| 604 | * inode |
| 605 | */ |
| 606 | inode->i_mode |= S_IFREG; |
| 607 | #endif |
| 608 | mapping_set_gfp_mask(inode->i_mapping, |
| 609 | GFP_NOFS | __GFP_HIGHMEM | __GFP_MOVABLE); |
| 610 | } else if (S_ISREG(inode->i_mode)) { |
| 611 | inode->i_op = &f2fs_file_inode_operations; |
| 612 | inode->i_fop = &f2fs_file_operations; |
| 613 | inode->i_mapping->a_ops = &f2fs_dblock_aops; |
| 614 | } else if (S_ISDIR(inode->i_mode)) { |
| 615 | inode->i_op = &f2fs_dir_inode_operations; |
| 616 | inode->i_fop = &f2fs_dir_operations; |
| 617 | inode->i_mapping->a_ops = &f2fs_dblock_aops; |
| 618 | mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS); |
| 619 | } else if (S_ISLNK(inode->i_mode)) { |
| 620 | if (file_is_encrypt(inode)) |
| 621 | inode->i_op = &f2fs_encrypted_symlink_inode_operations; |
| 622 | else |
| 623 | inode->i_op = &f2fs_symlink_inode_operations; |
| 624 | inode_nohighmem(inode); |
| 625 | inode->i_mapping->a_ops = &f2fs_dblock_aops; |
| 626 | } else if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) || |
| 627 | S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) { |
| 628 | inode->i_op = &f2fs_special_inode_operations; |
| 629 | init_special_inode(inode, inode->i_mode, inode->i_rdev); |
| 630 | } else { |
| 631 | ret = -EIO; |
| 632 | goto bad_inode; |
| 633 | } |
| 634 | f2fs_set_inode_flags(inode); |
| 635 | |
| 636 | if (file_should_truncate(inode) && |
| 637 | !is_sbi_flag_set(sbi, SBI_POR_DOING)) { |
| 638 | ret = f2fs_truncate(inode); |
| 639 | if (ret) |
| 640 | goto bad_inode; |
| 641 | file_dont_truncate(inode); |
| 642 | } |
| 643 | |
| 644 | unlock_new_inode(inode); |
| 645 | trace_f2fs_iget(inode); |
| 646 | return inode; |
| 647 | |
| 648 | bad_inode: |
| 649 | f2fs_inode_synced(inode); |
| 650 | iget_failed(inode); |
| 651 | trace_f2fs_iget_exit(inode, ret); |
| 652 | return ERR_PTR(ret); |
| 653 | } |
| 654 | |
| 655 | struct inode *f2fs_iget_retry(struct super_block *sb, unsigned long ino) |
| 656 | { |
| 657 | struct inode *inode; |
| 658 | retry: |
| 659 | inode = f2fs_iget(sb, ino); |
| 660 | if (IS_ERR(inode)) { |
| 661 | if (PTR_ERR(inode) == -ENOMEM) { |
| 662 | memalloc_retry_wait(GFP_NOFS); |
| 663 | goto retry; |
| 664 | } |
| 665 | } |
| 666 | return inode; |
| 667 | } |
| 668 | |
| 669 | void f2fs_update_inode(struct inode *inode, struct page *node_page) |
| 670 | { |
| 671 | struct f2fs_inode *ri; |
| 672 | struct extent_tree *et = F2FS_I(inode)->extent_tree[EX_READ]; |
| 673 | |
| 674 | f2fs_wait_on_page_writeback(node_page, NODE, true, true); |
| 675 | set_page_dirty(node_page); |
| 676 | |
| 677 | f2fs_inode_synced(inode); |
| 678 | |
| 679 | ri = F2FS_INODE(node_page); |
| 680 | |
| 681 | ri->i_mode = cpu_to_le16(inode->i_mode); |
| 682 | ri->i_advise = F2FS_I(inode)->i_advise; |
| 683 | ri->i_uid = cpu_to_le32(i_uid_read(inode)); |
| 684 | ri->i_gid = cpu_to_le32(i_gid_read(inode)); |
| 685 | ri->i_links = cpu_to_le32(inode->i_nlink); |
| 686 | ri->i_blocks = cpu_to_le64(SECTOR_TO_BLOCK(inode->i_blocks) + 1); |
| 687 | |
| 688 | if (!f2fs_is_atomic_file(inode) || |
| 689 | is_inode_flag_set(inode, FI_ATOMIC_COMMITTED)) |
| 690 | ri->i_size = cpu_to_le64(i_size_read(inode)); |
| 691 | |
| 692 | if (et) { |
| 693 | read_lock(&et->lock); |
| 694 | set_raw_read_extent(&et->largest, &ri->i_ext); |
| 695 | read_unlock(&et->lock); |
| 696 | } else { |
| 697 | memset(&ri->i_ext, 0, sizeof(ri->i_ext)); |
| 698 | } |
| 699 | set_raw_inline(inode, ri); |
| 700 | |
| 701 | ri->i_atime = cpu_to_le64(inode_get_atime_sec(inode)); |
| 702 | ri->i_ctime = cpu_to_le64(inode_get_ctime_sec(inode)); |
| 703 | ri->i_mtime = cpu_to_le64(inode_get_mtime_sec(inode)); |
| 704 | ri->i_atime_nsec = cpu_to_le32(inode_get_atime_nsec(inode)); |
| 705 | ri->i_ctime_nsec = cpu_to_le32(inode_get_ctime_nsec(inode)); |
| 706 | ri->i_mtime_nsec = cpu_to_le32(inode_get_mtime_nsec(inode)); |
| 707 | if (S_ISDIR(inode->i_mode)) |
| 708 | ri->i_current_depth = |
| 709 | cpu_to_le32(F2FS_I(inode)->i_current_depth); |
| 710 | else if (S_ISREG(inode->i_mode)) |
| 711 | ri->i_gc_failures = |
| 712 | cpu_to_le16(F2FS_I(inode)->i_gc_failures[GC_FAILURE_PIN]); |
| 713 | ri->i_xattr_nid = cpu_to_le32(F2FS_I(inode)->i_xattr_nid); |
| 714 | ri->i_flags = cpu_to_le32(F2FS_I(inode)->i_flags); |
| 715 | ri->i_pino = cpu_to_le32(F2FS_I(inode)->i_pino); |
| 716 | ri->i_generation = cpu_to_le32(inode->i_generation); |
| 717 | ri->i_dir_level = F2FS_I(inode)->i_dir_level; |
| 718 | |
| 719 | if (f2fs_has_extra_attr(inode)) { |
| 720 | ri->i_extra_isize = cpu_to_le16(F2FS_I(inode)->i_extra_isize); |
| 721 | |
| 722 | if (f2fs_sb_has_flexible_inline_xattr(F2FS_I_SB(inode))) |
| 723 | ri->i_inline_xattr_size = |
| 724 | cpu_to_le16(F2FS_I(inode)->i_inline_xattr_size); |
| 725 | |
| 726 | if (f2fs_sb_has_project_quota(F2FS_I_SB(inode)) && |
| 727 | F2FS_FITS_IN_INODE(ri, F2FS_I(inode)->i_extra_isize, |
| 728 | i_projid)) { |
| 729 | projid_t i_projid; |
| 730 | |
| 731 | i_projid = from_kprojid(&init_user_ns, |
| 732 | F2FS_I(inode)->i_projid); |
| 733 | ri->i_projid = cpu_to_le32(i_projid); |
| 734 | } |
| 735 | |
| 736 | if (f2fs_sb_has_inode_crtime(F2FS_I_SB(inode)) && |
| 737 | F2FS_FITS_IN_INODE(ri, F2FS_I(inode)->i_extra_isize, |
| 738 | i_crtime)) { |
| 739 | ri->i_crtime = |
| 740 | cpu_to_le64(F2FS_I(inode)->i_crtime.tv_sec); |
| 741 | ri->i_crtime_nsec = |
| 742 | cpu_to_le32(F2FS_I(inode)->i_crtime.tv_nsec); |
| 743 | } |
| 744 | |
| 745 | if (f2fs_sb_has_compression(F2FS_I_SB(inode)) && |
| 746 | F2FS_FITS_IN_INODE(ri, F2FS_I(inode)->i_extra_isize, |
| 747 | i_compress_flag)) { |
| 748 | unsigned short compress_flag; |
| 749 | |
| 750 | ri->i_compr_blocks = |
| 751 | cpu_to_le64(atomic_read( |
| 752 | &F2FS_I(inode)->i_compr_blocks)); |
| 753 | ri->i_compress_algorithm = |
| 754 | F2FS_I(inode)->i_compress_algorithm; |
| 755 | compress_flag = F2FS_I(inode)->i_compress_flag | |
| 756 | F2FS_I(inode)->i_compress_level << |
| 757 | COMPRESS_LEVEL_OFFSET; |
| 758 | ri->i_compress_flag = cpu_to_le16(compress_flag); |
| 759 | ri->i_log_cluster_size = |
| 760 | F2FS_I(inode)->i_log_cluster_size; |
| 761 | } |
| 762 | } |
| 763 | |
| 764 | __set_inode_rdev(inode, ri); |
| 765 | |
| 766 | /* deleted inode */ |
| 767 | if (inode->i_nlink == 0) |
| 768 | clear_page_private_inline(node_page); |
| 769 | |
| 770 | init_idisk_time(inode); |
| 771 | #ifdef CONFIG_F2FS_CHECK_FS |
| 772 | f2fs_inode_chksum_set(F2FS_I_SB(inode), node_page); |
| 773 | #endif |
| 774 | } |
| 775 | |
| 776 | void f2fs_update_inode_page(struct inode *inode) |
| 777 | { |
| 778 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
| 779 | struct page *node_page; |
| 780 | int count = 0; |
| 781 | retry: |
| 782 | node_page = f2fs_get_node_page(sbi, inode->i_ino); |
| 783 | if (IS_ERR(node_page)) { |
| 784 | int err = PTR_ERR(node_page); |
| 785 | |
| 786 | /* The node block was truncated. */ |
| 787 | if (err == -ENOENT) |
| 788 | return; |
| 789 | |
| 790 | if (err == -ENOMEM || ++count <= DEFAULT_RETRY_IO_COUNT) |
| 791 | goto retry; |
| 792 | f2fs_stop_checkpoint(sbi, false, STOP_CP_REASON_UPDATE_INODE); |
| 793 | return; |
| 794 | } |
| 795 | f2fs_update_inode(inode, node_page); |
| 796 | f2fs_put_page(node_page, 1); |
| 797 | } |
| 798 | |
| 799 | int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc) |
| 800 | { |
| 801 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
| 802 | |
| 803 | if (inode->i_ino == F2FS_NODE_INO(sbi) || |
| 804 | inode->i_ino == F2FS_META_INO(sbi)) |
| 805 | return 0; |
| 806 | |
| 807 | /* |
| 808 | * atime could be updated without dirtying f2fs inode in lazytime mode |
| 809 | */ |
| 810 | if (f2fs_is_time_consistent(inode) && |
| 811 | !is_inode_flag_set(inode, FI_DIRTY_INODE)) |
| 812 | return 0; |
| 813 | |
| 814 | if (!f2fs_is_checkpoint_ready(sbi)) |
| 815 | return -ENOSPC; |
| 816 | |
| 817 | /* |
| 818 | * We need to balance fs here to prevent from producing dirty node pages |
| 819 | * during the urgent cleaning time when running out of free sections. |
| 820 | */ |
| 821 | f2fs_update_inode_page(inode); |
| 822 | if (wbc && wbc->nr_to_write) |
| 823 | f2fs_balance_fs(sbi, true); |
| 824 | return 0; |
| 825 | } |
| 826 | |
| 827 | /* |
| 828 | * Called at the last iput() if i_nlink is zero |
| 829 | */ |
| 830 | void f2fs_evict_inode(struct inode *inode) |
| 831 | { |
| 832 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
| 833 | struct f2fs_inode_info *fi = F2FS_I(inode); |
| 834 | nid_t xnid = fi->i_xattr_nid; |
| 835 | int err = 0; |
| 836 | |
| 837 | f2fs_abort_atomic_write(inode, true); |
| 838 | |
| 839 | if (fi->cow_inode) { |
| 840 | clear_inode_flag(fi->cow_inode, FI_COW_FILE); |
| 841 | iput(fi->cow_inode); |
| 842 | fi->cow_inode = NULL; |
| 843 | } |
| 844 | |
| 845 | trace_f2fs_evict_inode(inode); |
| 846 | truncate_inode_pages_final(&inode->i_data); |
| 847 | |
| 848 | if ((inode->i_nlink || is_bad_inode(inode)) && |
| 849 | test_opt(sbi, COMPRESS_CACHE) && f2fs_compressed_file(inode)) |
| 850 | f2fs_invalidate_compress_pages(sbi, inode->i_ino); |
| 851 | |
| 852 | if (inode->i_ino == F2FS_NODE_INO(sbi) || |
| 853 | inode->i_ino == F2FS_META_INO(sbi) || |
| 854 | inode->i_ino == F2FS_COMPRESS_INO(sbi)) |
| 855 | goto out_clear; |
| 856 | |
| 857 | f2fs_bug_on(sbi, get_dirty_pages(inode)); |
| 858 | f2fs_remove_dirty_inode(inode); |
| 859 | |
| 860 | f2fs_destroy_extent_tree(inode); |
| 861 | |
| 862 | if (inode->i_nlink || is_bad_inode(inode)) |
| 863 | goto no_delete; |
| 864 | |
| 865 | err = f2fs_dquot_initialize(inode); |
| 866 | if (err) { |
| 867 | err = 0; |
| 868 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); |
| 869 | } |
| 870 | |
| 871 | f2fs_remove_ino_entry(sbi, inode->i_ino, APPEND_INO); |
| 872 | f2fs_remove_ino_entry(sbi, inode->i_ino, UPDATE_INO); |
| 873 | f2fs_remove_ino_entry(sbi, inode->i_ino, FLUSH_INO); |
| 874 | |
| 875 | if (!is_sbi_flag_set(sbi, SBI_IS_FREEZING)) |
| 876 | sb_start_intwrite(inode->i_sb); |
| 877 | set_inode_flag(inode, FI_NO_ALLOC); |
| 878 | i_size_write(inode, 0); |
| 879 | retry: |
| 880 | if (F2FS_HAS_BLOCKS(inode)) |
| 881 | err = f2fs_truncate(inode); |
| 882 | |
| 883 | if (time_to_inject(sbi, FAULT_EVICT_INODE)) |
| 884 | err = -EIO; |
| 885 | |
| 886 | if (!err) { |
| 887 | f2fs_lock_op(sbi); |
| 888 | err = f2fs_remove_inode_page(inode); |
| 889 | f2fs_unlock_op(sbi); |
| 890 | if (err == -ENOENT) { |
| 891 | err = 0; |
| 892 | |
| 893 | /* |
| 894 | * in fuzzed image, another node may has the same |
| 895 | * block address as inode's, if it was truncated |
| 896 | * previously, truncation of inode node will fail. |
| 897 | */ |
| 898 | if (is_inode_flag_set(inode, FI_DIRTY_INODE)) { |
| 899 | f2fs_warn(F2FS_I_SB(inode), |
| 900 | "f2fs_evict_inode: inconsistent node id, ino:%lu", |
| 901 | inode->i_ino); |
| 902 | f2fs_inode_synced(inode); |
| 903 | set_sbi_flag(sbi, SBI_NEED_FSCK); |
| 904 | } |
| 905 | } |
| 906 | } |
| 907 | |
| 908 | /* give more chances, if ENOMEM case */ |
| 909 | if (err == -ENOMEM) { |
| 910 | err = 0; |
| 911 | goto retry; |
| 912 | } |
| 913 | |
| 914 | if (err) { |
| 915 | f2fs_update_inode_page(inode); |
| 916 | if (dquot_initialize_needed(inode)) |
| 917 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); |
| 918 | } |
| 919 | if (!is_sbi_flag_set(sbi, SBI_IS_FREEZING)) |
| 920 | sb_end_intwrite(inode->i_sb); |
| 921 | no_delete: |
| 922 | dquot_drop(inode); |
| 923 | |
| 924 | stat_dec_inline_xattr(inode); |
| 925 | stat_dec_inline_dir(inode); |
| 926 | stat_dec_inline_inode(inode); |
| 927 | stat_dec_compr_inode(inode); |
| 928 | stat_sub_compr_blocks(inode, |
| 929 | atomic_read(&fi->i_compr_blocks)); |
| 930 | |
| 931 | if (likely(!f2fs_cp_error(sbi) && |
| 932 | !is_sbi_flag_set(sbi, SBI_CP_DISABLED))) |
| 933 | f2fs_bug_on(sbi, is_inode_flag_set(inode, FI_DIRTY_INODE)); |
| 934 | else |
| 935 | f2fs_inode_synced(inode); |
| 936 | |
| 937 | /* for the case f2fs_new_inode() was failed, .i_ino is zero, skip it */ |
| 938 | if (inode->i_ino) |
| 939 | invalidate_mapping_pages(NODE_MAPPING(sbi), inode->i_ino, |
| 940 | inode->i_ino); |
| 941 | if (xnid) |
| 942 | invalidate_mapping_pages(NODE_MAPPING(sbi), xnid, xnid); |
| 943 | if (inode->i_nlink) { |
| 944 | if (is_inode_flag_set(inode, FI_APPEND_WRITE)) |
| 945 | f2fs_add_ino_entry(sbi, inode->i_ino, APPEND_INO); |
| 946 | if (is_inode_flag_set(inode, FI_UPDATE_WRITE)) |
| 947 | f2fs_add_ino_entry(sbi, inode->i_ino, UPDATE_INO); |
| 948 | } |
| 949 | if (is_inode_flag_set(inode, FI_FREE_NID)) { |
| 950 | f2fs_alloc_nid_failed(sbi, inode->i_ino); |
| 951 | clear_inode_flag(inode, FI_FREE_NID); |
| 952 | } else { |
| 953 | /* |
| 954 | * If xattr nid is corrupted, we can reach out error condition, |
| 955 | * err & !f2fs_exist_written_data(sbi, inode->i_ino, ORPHAN_INO)). |
| 956 | * In that case, f2fs_check_nid_range() is enough to give a clue. |
| 957 | */ |
| 958 | } |
| 959 | out_clear: |
| 960 | fscrypt_put_encryption_info(inode); |
| 961 | fsverity_cleanup_inode(inode); |
| 962 | clear_inode(inode); |
| 963 | } |
| 964 | |
| 965 | /* caller should call f2fs_lock_op() */ |
| 966 | void f2fs_handle_failed_inode(struct inode *inode) |
| 967 | { |
| 968 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
| 969 | struct node_info ni; |
| 970 | int err; |
| 971 | |
| 972 | /* |
| 973 | * clear nlink of inode in order to release resource of inode |
| 974 | * immediately. |
| 975 | */ |
| 976 | clear_nlink(inode); |
| 977 | |
| 978 | /* |
| 979 | * we must call this to avoid inode being remained as dirty, resulting |
| 980 | * in a panic when flushing dirty inodes in gdirty_list. |
| 981 | */ |
| 982 | f2fs_update_inode_page(inode); |
| 983 | f2fs_inode_synced(inode); |
| 984 | |
| 985 | /* don't make bad inode, since it becomes a regular file. */ |
| 986 | unlock_new_inode(inode); |
| 987 | |
| 988 | /* |
| 989 | * Note: we should add inode to orphan list before f2fs_unlock_op() |
| 990 | * so we can prevent losing this orphan when encoutering checkpoint |
| 991 | * and following suddenly power-off. |
| 992 | */ |
| 993 | err = f2fs_get_node_info(sbi, inode->i_ino, &ni, false); |
| 994 | if (err) { |
| 995 | set_sbi_flag(sbi, SBI_NEED_FSCK); |
| 996 | set_inode_flag(inode, FI_FREE_NID); |
| 997 | f2fs_warn(sbi, "May loss orphan inode, run fsck to fix."); |
| 998 | goto out; |
| 999 | } |
| 1000 | |
| 1001 | if (ni.blk_addr != NULL_ADDR) { |
| 1002 | err = f2fs_acquire_orphan_inode(sbi); |
| 1003 | if (err) { |
| 1004 | set_sbi_flag(sbi, SBI_NEED_FSCK); |
| 1005 | f2fs_warn(sbi, "Too many orphan inodes, run fsck to fix."); |
| 1006 | } else { |
| 1007 | f2fs_add_orphan_inode(inode); |
| 1008 | } |
| 1009 | f2fs_alloc_nid_done(sbi, inode->i_ino); |
| 1010 | } else { |
| 1011 | set_inode_flag(inode, FI_FREE_NID); |
| 1012 | } |
| 1013 | |
| 1014 | out: |
| 1015 | f2fs_unlock_op(sbi); |
| 1016 | |
| 1017 | /* iput will drop the inode object */ |
| 1018 | iput(inode); |
| 1019 | } |