Lines Matching refs:inode
52 static __u32 ext4_inode_csum(struct inode *inode, struct ext4_inode *raw, in ext4_inode_csum() argument
55 struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); in ext4_inode_csum()
67 if (EXT4_INODE_SIZE(inode->i_sb) > EXT4_GOOD_OLD_INODE_SIZE) { in ext4_inode_csum()
78 EXT4_INODE_SIZE(inode->i_sb) - offset); in ext4_inode_csum()
84 static int ext4_inode_csum_verify(struct inode *inode, struct ext4_inode *raw, in ext4_inode_csum_verify() argument
89 if (EXT4_SB(inode->i_sb)->s_es->s_creator_os != in ext4_inode_csum_verify()
91 !ext4_has_metadata_csum(inode->i_sb)) in ext4_inode_csum_verify()
95 calculated = ext4_inode_csum(inode, raw, ei); in ext4_inode_csum_verify()
96 if (EXT4_INODE_SIZE(inode->i_sb) > EXT4_GOOD_OLD_INODE_SIZE && in ext4_inode_csum_verify()
105 void ext4_inode_csum_set(struct inode *inode, struct ext4_inode *raw, in ext4_inode_csum_set() argument
110 if (EXT4_SB(inode->i_sb)->s_es->s_creator_os != in ext4_inode_csum_set()
112 !ext4_has_metadata_csum(inode->i_sb)) in ext4_inode_csum_set()
115 csum = ext4_inode_csum(inode, raw, ei); in ext4_inode_csum_set()
117 if (EXT4_INODE_SIZE(inode->i_sb) > EXT4_GOOD_OLD_INODE_SIZE && in ext4_inode_csum_set()
122 static inline int ext4_begin_ordered_truncate(struct inode *inode, in ext4_begin_ordered_truncate() argument
125 trace_ext4_begin_ordered_truncate(inode, new_size); in ext4_begin_ordered_truncate()
132 if (!EXT4_I(inode)->jinode) in ext4_begin_ordered_truncate()
134 return jbd2_journal_begin_ordered_truncate(EXT4_JOURNAL(inode), in ext4_begin_ordered_truncate()
135 EXT4_I(inode)->jinode, in ext4_begin_ordered_truncate()
140 static int ext4_meta_trans_blocks(struct inode *inode, int lblocks,
147 int ext4_inode_is_fast_symlink(struct inode *inode) in ext4_inode_is_fast_symlink() argument
149 if (!(EXT4_I(inode)->i_flags & EXT4_EA_INODE_FL)) { in ext4_inode_is_fast_symlink()
150 int ea_blocks = EXT4_I(inode)->i_file_acl ? in ext4_inode_is_fast_symlink()
151 EXT4_CLUSTER_SIZE(inode->i_sb) >> 9 : 0; in ext4_inode_is_fast_symlink()
153 if (ext4_has_inline_data(inode)) in ext4_inode_is_fast_symlink()
156 return (S_ISLNK(inode->i_mode) && inode->i_blocks - ea_blocks == 0); in ext4_inode_is_fast_symlink()
158 return S_ISLNK(inode->i_mode) && inode->i_size && in ext4_inode_is_fast_symlink()
159 (inode->i_size < EXT4_N_BLOCKS * 4); in ext4_inode_is_fast_symlink()
165 void ext4_evict_inode(struct inode *inode) in ext4_evict_inode() argument
178 trace_ext4_evict_inode(inode); in ext4_evict_inode()
180 if (EXT4_I(inode)->i_flags & EXT4_EA_INODE_FL) in ext4_evict_inode()
181 ext4_evict_ea_inode(inode); in ext4_evict_inode()
182 if (inode->i_nlink) { in ext4_evict_inode()
201 if (inode->i_ino != EXT4_JOURNAL_INO && in ext4_evict_inode()
202 ext4_should_journal_data(inode) && in ext4_evict_inode()
203 S_ISREG(inode->i_mode) && inode->i_data.nrpages) { in ext4_evict_inode()
204 journal_t *journal = EXT4_SB(inode->i_sb)->s_journal; in ext4_evict_inode()
205 tid_t commit_tid = EXT4_I(inode)->i_datasync_tid; in ext4_evict_inode()
208 filemap_write_and_wait(&inode->i_data); in ext4_evict_inode()
210 truncate_inode_pages_final(&inode->i_data); in ext4_evict_inode()
215 if (is_bad_inode(inode)) in ext4_evict_inode()
217 dquot_initialize(inode); in ext4_evict_inode()
219 if (ext4_should_order_data(inode)) in ext4_evict_inode()
220 ext4_begin_ordered_truncate(inode, 0); in ext4_evict_inode()
221 truncate_inode_pages_final(&inode->i_data); in ext4_evict_inode()
228 if (!list_empty_careful(&inode->i_io_list)) { in ext4_evict_inode()
229 WARN_ON_ONCE(!ext4_should_journal_data(inode)); in ext4_evict_inode()
230 inode_io_list_del(inode); in ext4_evict_inode()
240 sb_start_intwrite(inode->i_sb); in ext4_evict_inode()
244 if (!IS_NOQUOTA(inode)) in ext4_evict_inode()
245 extra_credits += EXT4_MAXQUOTAS_DEL_BLOCKS(inode->i_sb); in ext4_evict_inode()
251 handle = ext4_journal_start(inode, EXT4_HT_TRUNCATE, in ext4_evict_inode()
252 ext4_blocks_for_truncate(inode) + extra_credits - 3); in ext4_evict_inode()
254 ext4_std_error(inode->i_sb, PTR_ERR(handle)); in ext4_evict_inode()
260 ext4_orphan_del(NULL, inode); in ext4_evict_inode()
262 sb_end_intwrite(inode->i_sb); in ext4_evict_inode()
266 if (IS_SYNC(inode)) in ext4_evict_inode()
276 if (ext4_inode_is_fast_symlink(inode)) in ext4_evict_inode()
277 memset(EXT4_I(inode)->i_data, 0, sizeof(EXT4_I(inode)->i_data)); in ext4_evict_inode()
278 inode->i_size = 0; in ext4_evict_inode()
279 err = ext4_mark_inode_dirty(handle, inode); in ext4_evict_inode()
281 ext4_warning(inode->i_sb, in ext4_evict_inode()
285 if (inode->i_blocks) { in ext4_evict_inode()
286 err = ext4_truncate(inode); in ext4_evict_inode()
288 ext4_error_err(inode->i_sb, -err, in ext4_evict_inode()
290 inode->i_ino, err); in ext4_evict_inode()
296 err = ext4_xattr_delete_inode(handle, inode, &ea_inode_array, in ext4_evict_inode()
299 ext4_warning(inode->i_sb, "xattr delete (err %d)", err); in ext4_evict_inode()
302 ext4_orphan_del(NULL, inode); in ext4_evict_inode()
304 sb_end_intwrite(inode->i_sb); in ext4_evict_inode()
317 ext4_orphan_del(handle, inode); in ext4_evict_inode()
318 EXT4_I(inode)->i_dtime = (__u32)ktime_get_real_seconds(); in ext4_evict_inode()
327 if (ext4_mark_inode_dirty(handle, inode)) in ext4_evict_inode()
329 ext4_clear_inode(inode); in ext4_evict_inode()
331 ext4_free_inode(handle, inode); in ext4_evict_inode()
334 sb_end_intwrite(inode->i_sb); in ext4_evict_inode()
338 if (!list_empty(&EXT4_I(inode)->i_fc_list)) in ext4_evict_inode()
339 ext4_fc_mark_ineligible(inode->i_sb, EXT4_FC_REASON_NOMEM, NULL); in ext4_evict_inode()
340 ext4_clear_inode(inode); /* We must guarantee clearing of inode... */ in ext4_evict_inode()
344 qsize_t *ext4_get_reserved_space(struct inode *inode) in ext4_get_reserved_space() argument
346 return &EXT4_I(inode)->i_reserved_quota; in ext4_get_reserved_space()
354 void ext4_da_update_reserve_space(struct inode *inode, in ext4_da_update_reserve_space() argument
357 struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); in ext4_da_update_reserve_space()
358 struct ext4_inode_info *ei = EXT4_I(inode); in ext4_da_update_reserve_space()
361 trace_ext4_da_update_reserve_space(inode, used, quota_claim); in ext4_da_update_reserve_space()
363 ext4_warning(inode->i_sb, "%s: ino %lu, used %d " in ext4_da_update_reserve_space()
365 __func__, inode->i_ino, used, in ext4_da_update_reserve_space()
379 dquot_claim_block(inode, EXT4_C2B(sbi, used)); in ext4_da_update_reserve_space()
386 dquot_release_reservation_block(inode, EXT4_C2B(sbi, used)); in ext4_da_update_reserve_space()
395 !inode_is_open_for_write(inode)) in ext4_da_update_reserve_space()
396 ext4_discard_preallocations(inode, 0); in ext4_da_update_reserve_space()
399 static int __check_block_validity(struct inode *inode, const char *func, in __check_block_validity() argument
403 if (ext4_has_feature_journal(inode->i_sb) && in __check_block_validity()
404 (inode->i_ino == in __check_block_validity()
405 le32_to_cpu(EXT4_SB(inode->i_sb)->s_es->s_journal_inum))) in __check_block_validity()
407 if (!ext4_inode_block_valid(inode, map->m_pblk, map->m_len)) { in __check_block_validity()
408 ext4_error_inode(inode, func, line, map->m_pblk, in __check_block_validity()
417 int ext4_issue_zeroout(struct inode *inode, ext4_lblk_t lblk, ext4_fsblk_t pblk, in ext4_issue_zeroout() argument
422 if (IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode)) in ext4_issue_zeroout()
423 return fscrypt_zeroout_range(inode, lblk, pblk, len); in ext4_issue_zeroout()
425 ret = sb_issue_zeroout(inode->i_sb, pblk, len, GFP_NOFS); in ext4_issue_zeroout()
432 #define check_block_validity(inode, map) \ argument
433 __check_block_validity((inode), __func__, __LINE__, (map))
437 struct inode *inode, in ext4_map_blocks_es_recheck() argument
452 down_read(&EXT4_I(inode)->i_data_sem); in ext4_map_blocks_es_recheck()
453 if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) { in ext4_map_blocks_es_recheck()
454 retval = ext4_ext_map_blocks(handle, inode, map, 0); in ext4_map_blocks_es_recheck()
456 retval = ext4_ind_map_blocks(handle, inode, map, 0); in ext4_map_blocks_es_recheck()
458 up_read((&EXT4_I(inode)->i_data_sem)); in ext4_map_blocks_es_recheck()
470 inode->i_ino, es_map->m_lblk, es_map->m_len, in ext4_map_blocks_es_recheck()
500 int ext4_map_blocks(handle_t *handle, struct inode *inode, in ext4_map_blocks() argument
513 ext_debug(inode, "flag 0x%x, max_blocks %u, logical block %lu\n", in ext4_map_blocks()
527 if (!(EXT4_SB(inode->i_sb)->s_mount_state & EXT4_FC_REPLAY) && in ext4_map_blocks()
528 ext4_es_lookup_extent(inode, map->m_lblk, NULL, &es)) { in ext4_map_blocks()
552 ext4_map_blocks_es_recheck(handle, inode, map, in ext4_map_blocks()
568 down_read(&EXT4_I(inode)->i_data_sem); in ext4_map_blocks()
569 if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) { in ext4_map_blocks()
570 retval = ext4_ext_map_blocks(handle, inode, map, 0); in ext4_map_blocks()
572 retval = ext4_ind_map_blocks(handle, inode, map, 0); in ext4_map_blocks()
578 ext4_warning(inode->i_sb, in ext4_map_blocks()
581 inode->i_ino, retval, map->m_len); in ext4_map_blocks()
589 ext4_es_scan_range(inode, &ext4_es_is_delayed, map->m_lblk, in ext4_map_blocks()
592 ret = ext4_es_insert_extent(inode, map->m_lblk, in ext4_map_blocks()
597 up_read((&EXT4_I(inode)->i_data_sem)); in ext4_map_blocks()
601 ret = check_block_validity(inode, map); in ext4_map_blocks()
638 down_write(&EXT4_I(inode)->i_data_sem); in ext4_map_blocks()
644 if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) { in ext4_map_blocks()
645 retval = ext4_ext_map_blocks(handle, inode, map, flags); in ext4_map_blocks()
647 retval = ext4_ind_map_blocks(handle, inode, map, flags); in ext4_map_blocks()
655 ext4_clear_inode_state(inode, EXT4_STATE_EXT_MIGRATE); in ext4_map_blocks()
666 ext4_da_update_reserve_space(inode, retval, 1); in ext4_map_blocks()
673 ext4_warning(inode->i_sb, in ext4_map_blocks()
676 inode->i_ino, retval, map->m_len); in ext4_map_blocks()
690 ret = ext4_issue_zeroout(inode, map->m_lblk, in ext4_map_blocks()
703 ext4_es_lookup_extent(inode, map->m_lblk, NULL, &es)) { in ext4_map_blocks()
711 ext4_es_scan_range(inode, &ext4_es_is_delayed, map->m_lblk, in ext4_map_blocks()
714 ret = ext4_es_insert_extent(inode, map->m_lblk, map->m_len, in ext4_map_blocks()
723 up_write((&EXT4_I(inode)->i_data_sem)); in ext4_map_blocks()
725 ret = check_block_validity(inode, map); in ext4_map_blocks()
737 !ext4_is_quota_file(inode) && in ext4_map_blocks()
738 ext4_should_order_data(inode)) { in ext4_map_blocks()
740 (loff_t)map->m_lblk << inode->i_blkbits; in ext4_map_blocks()
741 loff_t length = (loff_t)map->m_len << inode->i_blkbits; in ext4_map_blocks()
744 ret = ext4_jbd2_inode_add_wait(handle, inode, in ext4_map_blocks()
747 ret = ext4_jbd2_inode_add_write(handle, inode, in ext4_map_blocks()
755 ext4_fc_track_range(handle, inode, map->m_lblk, in ext4_map_blocks()
758 ext_debug(inode, "failed with err %d\n", retval); in ext4_map_blocks()
790 static int _ext4_get_block(struct inode *inode, sector_t iblock, in _ext4_get_block() argument
796 if (ext4_has_inline_data(inode)) in _ext4_get_block()
800 map.m_len = bh->b_size >> inode->i_blkbits; in _ext4_get_block()
802 ret = ext4_map_blocks(ext4_journal_current_handle(), inode, &map, in _ext4_get_block()
805 map_bh(bh, inode->i_sb, map.m_pblk); in _ext4_get_block()
807 bh->b_size = inode->i_sb->s_blocksize * map.m_len; in _ext4_get_block()
811 bh->b_size = inode->i_sb->s_blocksize * map.m_len; in _ext4_get_block()
816 int ext4_get_block(struct inode *inode, sector_t iblock, in ext4_get_block() argument
819 return _ext4_get_block(inode, iblock, bh, in ext4_get_block()
828 int ext4_get_block_unwritten(struct inode *inode, sector_t iblock, in ext4_get_block_unwritten() argument
832 inode->i_ino, create); in ext4_get_block_unwritten()
833 return _ext4_get_block(inode, iblock, bh_result, in ext4_get_block_unwritten()
843 struct buffer_head *ext4_getblk(handle_t *handle, struct inode *inode, in ext4_getblk() argument
852 ASSERT((EXT4_SB(inode->i_sb)->s_mount_state & EXT4_FC_REPLAY) in ext4_getblk()
858 err = ext4_map_blocks(handle, inode, &map, map_flags); in ext4_getblk()
866 return sb_find_get_block(inode->i_sb, map.m_pblk); in ext4_getblk()
868 bh = sb_getblk(inode->i_sb, map.m_pblk); in ext4_getblk()
873 ASSERT((EXT4_SB(inode->i_sb)->s_mount_state & EXT4_FC_REPLAY) in ext4_getblk()
885 err = ext4_journal_get_create_access(handle, inode->i_sb, bh, in ext4_getblk()
892 memset(bh->b_data, 0, inode->i_sb->s_blocksize); in ext4_getblk()
897 err = ext4_handle_dirty_metadata(handle, inode, bh); in ext4_getblk()
908 struct buffer_head *ext4_bread(handle_t *handle, struct inode *inode, in ext4_bread() argument
914 bh = ext4_getblk(handle, inode, block, map_flags); in ext4_bread()
929 int ext4_bread_batch(struct inode *inode, ext4_lblk_t block, int bh_count, in ext4_bread_batch() argument
935 bhs[i] = ext4_getblk(NULL, inode, block + i, 0 /* map_flags */); in ext4_bread_batch()
971 int ext4_walk_page_buffers(handle_t *handle, struct inode *inode, in ext4_walk_page_buffers() argument
976 int (*fn)(handle_t *handle, struct inode *inode, in ext4_walk_page_buffers()
995 err = (*fn)(handle, inode, bh); in ext4_walk_page_buffers()
1026 int do_journal_get_write_access(handle_t *handle, struct inode *inode, in do_journal_get_write_access() argument
1045 ret = ext4_journal_get_write_access(handle, inode->i_sb, bh, in do_journal_get_write_access()
1058 struct inode *inode = page->mapping->host; in ext4_block_write_begin() local
1062 unsigned blocksize = inode->i_sb->s_blocksize; in ext4_block_write_begin()
1092 err = get_block(inode, block, bh, 1); in ext4_block_write_begin()
1129 } else if (fscrypt_inode_uses_fs_layer_crypto(inode)) { in ext4_block_write_begin()
1150 struct inode *inode = mapping->host; in ext4_write_begin() local
1158 if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb)))) in ext4_write_begin()
1161 trace_ext4_write_begin(inode, pos, len); in ext4_write_begin()
1166 needed_blocks = ext4_writepage_trans_blocks(inode) + 1; in ext4_write_begin()
1171 if (ext4_test_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA)) { in ext4_write_begin()
1172 ret = ext4_try_to_write_inline_data(mapping, inode, pos, len, in ext4_write_begin()
1196 create_empty_buffers(page, inode->i_sb->s_blocksize, 0); in ext4_write_begin()
1201 handle = ext4_journal_start(inode, EXT4_HT_WRITE_PAGE, needed_blocks); in ext4_write_begin()
1219 if (ext4_should_dioread_nolock(inode)) in ext4_write_begin()
1226 if (ext4_should_dioread_nolock(inode)) in ext4_write_begin()
1232 if (!ret && ext4_should_journal_data(inode)) { in ext4_write_begin()
1233 ret = ext4_walk_page_buffers(handle, inode, in ext4_write_begin()
1239 bool extended = (pos + len > inode->i_size) && in ext4_write_begin()
1240 !ext4_verity_in_progress(inode); in ext4_write_begin()
1251 if (extended && ext4_can_truncate(inode)) in ext4_write_begin()
1252 ext4_orphan_add(handle, inode); in ext4_write_begin()
1256 ext4_truncate_failed_write(inode); in ext4_write_begin()
1263 if (inode->i_nlink) in ext4_write_begin()
1264 ext4_orphan_del(NULL, inode); in ext4_write_begin()
1268 ext4_should_retry_alloc(inode->i_sb, &retries)) in ext4_write_begin()
1278 static int write_end_fn(handle_t *handle, struct inode *inode, in write_end_fn() argument
1304 struct inode *inode = mapping->host; in ext4_write_end() local
1305 loff_t old_size = inode->i_size; in ext4_write_end()
1308 bool verity = ext4_verity_in_progress(inode); in ext4_write_end()
1310 trace_ext4_write_end(inode, pos, len, copied); in ext4_write_end()
1312 if (ext4_has_inline_data(inode)) in ext4_write_end()
1313 return ext4_write_inline_data_end(inode, pos, len, copied, page); in ext4_write_end()
1324 i_size_changed = ext4_update_inode_size(inode, pos + copied); in ext4_write_end()
1329 pagecache_isize_extended(inode, old_size, pos); in ext4_write_end()
1337 ret = ext4_mark_inode_dirty(handle, inode); in ext4_write_end()
1339 if (pos + len > inode->i_size && !verity && ext4_can_truncate(inode)) in ext4_write_end()
1344 ext4_orphan_add(handle, inode); in ext4_write_end()
1350 if (pos + len > inode->i_size && !verity) { in ext4_write_end()
1351 ext4_truncate_failed_write(inode); in ext4_write_end()
1357 if (inode->i_nlink) in ext4_write_end()
1358 ext4_orphan_del(NULL, inode); in ext4_write_end()
1370 struct inode *inode, in ext4_journalled_zero_new_buffers() argument
1389 write_end_fn(handle, inode, bh); in ext4_journalled_zero_new_buffers()
1405 struct inode *inode = mapping->host; in ext4_journalled_write_end() local
1406 loff_t old_size = inode->i_size; in ext4_journalled_write_end()
1411 bool verity = ext4_verity_in_progress(inode); in ext4_journalled_write_end()
1413 trace_ext4_journalled_write_end(inode, pos, len, copied); in ext4_journalled_write_end()
1419 if (ext4_has_inline_data(inode)) in ext4_journalled_write_end()
1420 return ext4_write_inline_data_end(inode, pos, len, copied, page); in ext4_journalled_write_end()
1424 ext4_journalled_zero_new_buffers(handle, inode, page, from, to); in ext4_journalled_write_end()
1427 ext4_journalled_zero_new_buffers(handle, inode, page, in ext4_journalled_write_end()
1429 ret = ext4_walk_page_buffers(handle, inode, page_buffers(page), in ext4_journalled_write_end()
1436 size_changed = ext4_update_inode_size(inode, pos + copied); in ext4_journalled_write_end()
1437 ext4_set_inode_state(inode, EXT4_STATE_JDATA); in ext4_journalled_write_end()
1438 EXT4_I(inode)->i_datasync_tid = handle->h_transaction->t_tid; in ext4_journalled_write_end()
1443 pagecache_isize_extended(inode, old_size, pos); in ext4_journalled_write_end()
1446 ret2 = ext4_mark_inode_dirty(handle, inode); in ext4_journalled_write_end()
1451 if (pos + len > inode->i_size && !verity && ext4_can_truncate(inode)) in ext4_journalled_write_end()
1456 ext4_orphan_add(handle, inode); in ext4_journalled_write_end()
1461 if (pos + len > inode->i_size && !verity) { in ext4_journalled_write_end()
1462 ext4_truncate_failed_write(inode); in ext4_journalled_write_end()
1468 if (inode->i_nlink) in ext4_journalled_write_end()
1469 ext4_orphan_del(NULL, inode); in ext4_journalled_write_end()
1478 static int ext4_da_reserve_space(struct inode *inode) in ext4_da_reserve_space() argument
1480 struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); in ext4_da_reserve_space()
1481 struct ext4_inode_info *ei = EXT4_I(inode); in ext4_da_reserve_space()
1489 ret = dquot_reserve_block(inode, EXT4_C2B(sbi, 1)); in ext4_da_reserve_space()
1496 dquot_release_reservation_block(inode, EXT4_C2B(sbi, 1)); in ext4_da_reserve_space()
1500 trace_ext4_da_reserve_space(inode); in ext4_da_reserve_space()
1506 void ext4_da_release_space(struct inode *inode, int to_free) in ext4_da_release_space() argument
1508 struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); in ext4_da_release_space()
1509 struct ext4_inode_info *ei = EXT4_I(inode); in ext4_da_release_space()
1514 spin_lock(&EXT4_I(inode)->i_block_reservation_lock); in ext4_da_release_space()
1516 trace_ext4_da_release_space(inode, to_free); in ext4_da_release_space()
1524 ext4_warning(inode->i_sb, "ext4_da_release_space: " in ext4_da_release_space()
1526 "data blocks", inode->i_ino, to_free, in ext4_da_release_space()
1536 spin_unlock(&EXT4_I(inode)->i_block_reservation_lock); in ext4_da_release_space()
1538 dquot_release_reservation_block(inode, EXT4_C2B(sbi, to_free)); in ext4_da_release_space()
1546 struct inode *inode; member
1569 struct inode *inode = mpd->inode; in mpage_release_unused_pages() local
1570 struct address_space *mapping = inode->i_mapping; in mpage_release_unused_pages()
1581 start = index << (PAGE_SHIFT - inode->i_blkbits); in mpage_release_unused_pages()
1582 last = end << (PAGE_SHIFT - inode->i_blkbits); in mpage_release_unused_pages()
1588 down_write(&EXT4_I(inode)->i_data_sem); in mpage_release_unused_pages()
1589 ext4_es_remove_extent(inode, start, last - start + 1); in mpage_release_unused_pages()
1590 up_write(&EXT4_I(inode)->i_data_sem); in mpage_release_unused_pages()
1620 static void ext4_print_free_blocks(struct inode *inode) in ext4_print_free_blocks() argument
1622 struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); in ext4_print_free_blocks()
1623 struct super_block *sb = inode->i_sb; in ext4_print_free_blocks()
1624 struct ext4_inode_info *ei = EXT4_I(inode); in ext4_print_free_blocks()
1627 EXT4_C2B(EXT4_SB(inode->i_sb), in ext4_print_free_blocks()
1642 static int ext4_bh_delay_or_unwritten(handle_t *handle, struct inode *inode, in ext4_bh_delay_or_unwritten() argument
1659 static int ext4_insert_delayed_block(struct inode *inode, ext4_lblk_t lblk) in ext4_insert_delayed_block() argument
1661 struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); in ext4_insert_delayed_block()
1678 ret = ext4_da_reserve_space(inode); in ext4_insert_delayed_block()
1683 if (!ext4_es_scan_clu(inode, &ext4_es_is_delonly, lblk)) { in ext4_insert_delayed_block()
1684 if (!ext4_es_scan_clu(inode, in ext4_insert_delayed_block()
1686 ret = ext4_clu_mapped(inode, in ext4_insert_delayed_block()
1691 ret = ext4_da_reserve_space(inode); in ext4_insert_delayed_block()
1704 ret = ext4_es_insert_delayed_block(inode, lblk, allocated); in ext4_insert_delayed_block()
1706 ext4_da_release_space(inode, 1); in ext4_insert_delayed_block()
1718 static int ext4_da_map_blocks(struct inode *inode, sector_t iblock, in ext4_da_map_blocks() argument
1731 if (invalid_block < ext4_blocks_count(EXT4_SB(inode->i_sb)->s_es)) in ext4_da_map_blocks()
1735 ext_debug(inode, "max_blocks %u, logical block %lu\n", map->m_len, in ext4_da_map_blocks()
1739 if (ext4_es_lookup_extent(inode, iblock, NULL, &es)) { in ext4_da_map_blocks()
1742 down_read(&EXT4_I(inode)->i_data_sem); in ext4_da_map_blocks()
1751 map_bh(bh, inode->i_sb, invalid_block); in ext4_da_map_blocks()
1770 ext4_map_blocks_es_recheck(NULL, inode, map, &orig_map, 0); in ext4_da_map_blocks()
1779 down_read(&EXT4_I(inode)->i_data_sem); in ext4_da_map_blocks()
1780 if (ext4_has_inline_data(inode)) in ext4_da_map_blocks()
1782 else if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) in ext4_da_map_blocks()
1783 retval = ext4_ext_map_blocks(NULL, inode, map, 0); in ext4_da_map_blocks()
1785 retval = ext4_ind_map_blocks(NULL, inode, map, 0); in ext4_da_map_blocks()
1796 ret = ext4_insert_delayed_block(inode, map->m_lblk); in ext4_da_map_blocks()
1802 map_bh(bh, inode->i_sb, invalid_block); in ext4_da_map_blocks()
1810 ext4_warning(inode->i_sb, in ext4_da_map_blocks()
1813 inode->i_ino, retval, map->m_len); in ext4_da_map_blocks()
1819 ret = ext4_es_insert_extent(inode, map->m_lblk, map->m_len, in ext4_da_map_blocks()
1826 up_read((&EXT4_I(inode)->i_data_sem)); in ext4_da_map_blocks()
1843 int ext4_da_get_block_prep(struct inode *inode, sector_t iblock, in ext4_da_get_block_prep() argument
1850 BUG_ON(bh->b_size != inode->i_sb->s_blocksize); in ext4_da_get_block_prep()
1860 ret = ext4_da_map_blocks(inode, iblock, &map, bh); in ext4_da_get_block_prep()
1864 map_bh(bh, inode->i_sb, map.m_pblk); in ext4_da_get_block_prep()
1884 struct inode *inode = mapping->host; in __ext4_journalled_writepage() local
1887 int inline_data = ext4_has_inline_data(inode); in __ext4_journalled_writepage()
1895 BUG_ON(len > ext4_get_max_inline_size(inode)); in __ext4_journalled_writepage()
1896 inode_bh = ext4_journalled_write_inline_data(inode, len, page); in __ext4_journalled_writepage()
1908 handle = ext4_journal_start(inode, EXT4_HT_WRITE_PAGE, in __ext4_journalled_writepage()
1909 ext4_writepage_trans_blocks(inode)); in __ext4_journalled_writepage()
1919 size = i_size_read(inode); in __ext4_journalled_writepage()
1928 ret = ext4_mark_inode_dirty(handle, inode); in __ext4_journalled_writepage()
1937 ret = ext4_walk_page_buffers(handle, inode, page_bufs, 0, len, in __ext4_journalled_writepage()
1940 err = ext4_walk_page_buffers(handle, inode, page_bufs, 0, len, in __ext4_journalled_writepage()
1945 err = ext4_jbd2_inode_add_write(handle, inode, page_offset(page), len); in __ext4_journalled_writepage()
1948 EXT4_I(inode)->i_datasync_tid = handle->h_transaction->t_tid; in __ext4_journalled_writepage()
1953 ext4_set_inode_state(inode, EXT4_STATE_JDATA); in __ext4_journalled_writepage()
2010 struct inode *inode = page->mapping->host; in ext4_writepage() local
2014 if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb)))) { in ext4_writepage()
2021 size = i_size_read(inode); in ext4_writepage()
2023 !ext4_verity_in_progress(inode)) in ext4_writepage()
2030 ext4_warning_inode(inode, in ext4_writepage()
2055 if (ext4_walk_page_buffers(NULL, inode, page_bufs, 0, len, NULL, in ext4_writepage()
2059 (inode->i_sb->s_blocksize == PAGE_SIZE)) { in ext4_writepage()
2073 if (PageChecked(page) && ext4_should_journal_data(inode)) in ext4_writepage()
2081 io_submit.io_end = ext4_init_io_end(inode, GFP_NOFS); in ext4_writepage()
2115 size = i_size_read(mpd->inode); in mpage_submit_page()
2117 !ext4_verity_in_progress(mpd->inode)) in mpage_submit_page()
2211 struct inode *inode = mpd->inode; in mpage_process_page_bufs() local
2213 ext4_lblk_t blocks = (i_size_read(inode) + i_blocksize(inode) - 1) in mpage_process_page_bufs()
2214 >> inode->i_blkbits; in mpage_process_page_bufs()
2216 if (ext4_verity_in_progress(inode)) in mpage_process_page_bufs()
2270 int blkbits = mpd->inode->i_blkbits; in mpage_process_page()
2335 struct inode *inode = mpd->inode; in mpage_map_and_submit_buffers() local
2336 int bpp_bits = PAGE_SHIFT - inode->i_blkbits; in mpage_map_and_submit_buffers()
2350 nr = filemap_get_folios(inode->i_mapping, &start, end, &fbatch); in mpage_map_and_submit_buffers()
2383 struct inode *inode = mpd->inode; in mpage_map_one_extent() local
2388 trace_ext4_da_write_pages_extent(inode, map); in mpage_map_one_extent()
2407 dioread_nolock = ext4_should_dioread_nolock(inode); in mpage_map_one_extent()
2413 err = ext4_map_blocks(handle, inode, map, get_blocks_flags); in mpage_map_one_extent()
2422 ext4_set_io_unwritten_flag(inode, mpd->io_submit.io_end); in mpage_map_one_extent()
2453 struct inode *inode = mpd->inode; in mpage_map_and_submit_extent() local
2464 io_end_vec->offset = ((loff_t)map->m_lblk) << inode->i_blkbits; in mpage_map_and_submit_extent()
2468 struct super_block *sb = inode->i_sb; in mpage_map_and_submit_extent()
2488 inode->i_ino, in mpage_map_and_submit_extent()
2495 ext4_print_free_blocks(inode); in mpage_map_and_submit_extent()
2516 if (disksize > READ_ONCE(EXT4_I(inode)->i_disksize)) { in mpage_map_and_submit_extent()
2520 down_write(&EXT4_I(inode)->i_data_sem); in mpage_map_and_submit_extent()
2521 i_size = i_size_read(inode); in mpage_map_and_submit_extent()
2524 if (disksize > EXT4_I(inode)->i_disksize) in mpage_map_and_submit_extent()
2525 EXT4_I(inode)->i_disksize = disksize; in mpage_map_and_submit_extent()
2526 up_write(&EXT4_I(inode)->i_data_sem); in mpage_map_and_submit_extent()
2527 err2 = ext4_mark_inode_dirty(handle, inode); in mpage_map_and_submit_extent()
2529 ext4_error_err(inode->i_sb, -err2, in mpage_map_and_submit_extent()
2531 inode->i_ino); in mpage_map_and_submit_extent()
2546 static int ext4_da_writepages_trans_blocks(struct inode *inode) in ext4_da_writepages_trans_blocks() argument
2548 int bpp = ext4_journal_blocks_per_page(inode); in ext4_da_writepages_trans_blocks()
2550 return ext4_meta_trans_blocks(inode, in ext4_da_writepages_trans_blocks()
2574 struct address_space *mapping = mpd->inode->i_mapping; in mpage_prepare_extent_to_map()
2582 int blkbits = mpd->inode->i_blkbits; in mpage_prepare_extent_to_map()
2647 ext4_warning_inode(mpd->inode, "page %lu does not have buffers attached", page->index); in mpage_prepare_extent_to_map()
2685 struct inode *inode = mapping->host; in ext4_writepages() local
2691 if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb)))) in ext4_writepages()
2695 trace_ext4_writepages(inode, wbc); in ext4_writepages()
2705 if (ext4_should_journal_data(inode)) { in ext4_writepages()
2721 ext4_test_mount_flag(inode->i_sb, EXT4_MF_FS_ABORTED))) { in ext4_writepages()
2731 if (ext4_has_inline_data(inode)) { in ext4_writepages()
2733 handle = ext4_journal_start(inode, EXT4_HT_INODE, 1); in ext4_writepages()
2738 BUG_ON(ext4_test_inode_state(inode, in ext4_writepages()
2740 ext4_destroy_inline_data(handle, inode); in ext4_writepages()
2744 if (ext4_should_dioread_nolock(inode)) { in ext4_writepages()
2749 rsv_blocks = 1 + ext4_chunk_trans_blocks(inode, in ext4_writepages()
2750 PAGE_SIZE >> inode->i_blkbits); in ext4_writepages()
2767 mpd.inode = inode; in ext4_writepages()
2783 mpd.io_submit.io_end = ext4_init_io_end(inode, GFP_KERNEL); in ext4_writepages()
2800 mpd.io_submit.io_end = ext4_init_io_end(inode, GFP_KERNEL); in ext4_writepages()
2813 BUG_ON(ext4_should_journal_data(inode)); in ext4_writepages()
2814 needed_blocks = ext4_da_writepages_trans_blocks(inode); in ext4_writepages()
2817 handle = ext4_journal_start_with_reserve(inode, in ext4_writepages()
2821 ext4_msg(inode->i_sb, KERN_CRIT, "%s: jbd2_start: " in ext4_writepages()
2823 wbc->nr_to_write, inode->i_ino, ret); in ext4_writepages()
2831 trace_ext4_da_write_pages(inode, mpd.first_page, mpd.wbc); in ext4_writepages()
2902 trace_ext4_writepages_result(inode, wbc, ret, in ext4_writepages()
2913 struct inode *inode = mapping->host; in ext4_dax_writepages() local
2916 if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb)))) in ext4_dax_writepages()
2920 trace_ext4_writepages(inode, wbc); in ext4_dax_writepages()
2923 trace_ext4_writepages_result(inode, wbc, ret, in ext4_dax_writepages()
2970 struct inode *inode = mapping->host; in ext4_da_write_begin() local
2972 if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb)))) in ext4_da_write_begin()
2977 if (ext4_nonda_switch(inode->i_sb) || ext4_verity_in_progress(inode)) { in ext4_da_write_begin()
2983 trace_ext4_da_write_begin(inode, pos, len); in ext4_da_write_begin()
2985 if (ext4_test_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA)) { in ext4_da_write_begin()
2986 ret = ext4_da_write_inline_data_begin(mapping, inode, pos, len, in ext4_da_write_begin()
3016 if (pos + len > inode->i_size) in ext4_da_write_begin()
3017 ext4_truncate_failed_write(inode); in ext4_da_write_begin()
3020 ext4_should_retry_alloc(inode->i_sb, &retries)) in ext4_da_write_begin()
3037 struct inode *inode = page->mapping->host; in ext4_da_should_update_i_disksize() local
3042 idx = offset >> inode->i_blkbits; in ext4_da_should_update_i_disksize()
3057 struct inode *inode = mapping->host; in ext4_da_write_end() local
3066 trace_ext4_da_write_end(inode, pos, len, copied); in ext4_da_write_end()
3069 ext4_test_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA) && in ext4_da_write_end()
3070 ext4_has_inline_data(inode)) in ext4_da_write_end()
3071 return ext4_write_inline_data_end(inode, pos, len, copied, page); in ext4_da_write_end()
3092 if (copied && new_i_size > inode->i_size && in ext4_da_write_end()
3094 ext4_update_i_disksize(inode, new_i_size); in ext4_da_write_end()
3102 int ext4_alloc_da_blocks(struct inode *inode) in ext4_alloc_da_blocks() argument
3104 trace_ext4_alloc_da_blocks(inode); in ext4_alloc_da_blocks()
3106 if (!EXT4_I(inode)->i_reserved_data_blocks) in ext4_alloc_da_blocks()
3140 return filemap_flush(inode->i_mapping); in ext4_alloc_da_blocks()
3159 struct inode *inode = mapping->host; in ext4_bmap() local
3164 inode_lock_shared(inode); in ext4_bmap()
3168 if (ext4_has_inline_data(inode)) in ext4_bmap()
3172 test_opt(inode->i_sb, DELALLOC)) { in ext4_bmap()
3181 if (EXT4_JOURNAL(inode) && in ext4_bmap()
3182 ext4_test_inode_state(inode, EXT4_STATE_JDATA)) { in ext4_bmap()
3201 ext4_clear_inode_state(inode, EXT4_STATE_JDATA); in ext4_bmap()
3202 journal = EXT4_JOURNAL(inode); in ext4_bmap()
3214 inode_unlock_shared(inode); in ext4_bmap()
3222 struct inode *inode = page->mapping->host; in ext4_read_folio() local
3226 if (ext4_has_inline_data(inode)) in ext4_read_folio()
3227 ret = ext4_readpage_inline(inode, page); in ext4_read_folio()
3230 return ext4_mpage_readpages(inode, NULL, page); in ext4_read_folio()
3237 struct inode *inode = rac->mapping->host; in ext4_readahead() local
3240 if (ext4_has_inline_data(inode)) in ext4_readahead()
3243 ext4_mpage_readpages(inode, rac, NULL); in ext4_readahead()
3296 static bool ext4_inode_datasync_dirty(struct inode *inode) in ext4_inode_datasync_dirty() argument
3298 journal_t *journal = EXT4_SB(inode->i_sb)->s_journal; in ext4_inode_datasync_dirty()
3302 EXT4_I(inode)->i_datasync_tid)) in ext4_inode_datasync_dirty()
3304 if (test_opt2(inode->i_sb, JOURNAL_FAST_COMMIT)) in ext4_inode_datasync_dirty()
3305 return !list_empty(&EXT4_I(inode)->i_fc_list); in ext4_inode_datasync_dirty()
3310 if (!list_empty(&inode->i_mapping->private_list)) in ext4_inode_datasync_dirty()
3312 return inode->i_state & I_DIRTY_DATASYNC; in ext4_inode_datasync_dirty()
3315 static void ext4_set_iomap(struct inode *inode, struct iomap *iomap, in ext4_set_iomap() argument
3319 u8 blkbits = inode->i_blkbits; in ext4_set_iomap()
3327 if (ext4_inode_datasync_dirty(inode) || in ext4_set_iomap()
3328 offset + length > i_size_read(inode)) in ext4_set_iomap()
3335 iomap->dax_dev = EXT4_SB(inode->i_sb)->s_daxdev; in ext4_set_iomap()
3337 iomap->bdev = inode->i_sb->s_bdev; in ext4_set_iomap()
3342 !ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) in ext4_set_iomap()
3358 iomap->addr += EXT4_SB(inode->i_sb)->s_dax_part_off; in ext4_set_iomap()
3363 iomap->addr += EXT4_SB(inode->i_sb)->s_dax_part_off; in ext4_set_iomap()
3370 static int ext4_iomap_alloc(struct inode *inode, struct ext4_map_blocks *map, in ext4_iomap_alloc() argument
3374 u8 blkbits = inode->i_blkbits; in ext4_iomap_alloc()
3383 dio_credits = ext4_chunk_trans_blocks(inode, map->m_len); in ext4_iomap_alloc()
3392 handle = ext4_journal_start(inode, EXT4_HT_MAP_BLOCKS, dio_credits); in ext4_iomap_alloc()
3409 else if (((loff_t)map->m_lblk << blkbits) >= i_size_read(inode)) in ext4_iomap_alloc()
3411 else if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) in ext4_iomap_alloc()
3414 ret = ext4_map_blocks(handle, inode, map, m_flags); in ext4_iomap_alloc()
3425 if (ret == -ENOSPC && ext4_should_retry_alloc(inode->i_sb, &retries)) in ext4_iomap_alloc()
3432 static int ext4_iomap_begin(struct inode *inode, loff_t offset, loff_t length, in ext4_iomap_begin() argument
3437 u8 blkbits = inode->i_blkbits; in ext4_iomap_begin()
3442 if (WARN_ON_ONCE(ext4_has_inline_data(inode))) in ext4_iomap_begin()
3459 if (offset + length <= i_size_read(inode)) { in ext4_iomap_begin()
3460 ret = ext4_map_blocks(NULL, inode, &map, 0); in ext4_iomap_begin()
3464 ret = ext4_iomap_alloc(inode, &map, flags); in ext4_iomap_begin()
3466 ret = ext4_map_blocks(NULL, inode, &map, 0); in ext4_iomap_begin()
3477 map.m_len = fscrypt_limit_io_blocks(inode, map.m_lblk, map.m_len); in ext4_iomap_begin()
3479 ext4_set_iomap(inode, iomap, &map, offset, length, flags); in ext4_iomap_begin()
3484 static int ext4_iomap_overwrite_begin(struct inode *inode, loff_t offset, in ext4_iomap_overwrite_begin() argument
3495 ret = ext4_iomap_begin(inode, offset, length, flags, iomap, srcmap); in ext4_iomap_overwrite_begin()
3500 static int ext4_iomap_end(struct inode *inode, loff_t offset, loff_t length, in ext4_iomap_end() argument
3526 static bool ext4_iomap_is_delalloc(struct inode *inode, in ext4_iomap_is_delalloc() argument
3532 ext4_es_find_extent_range(inode, &ext4_es_is_delayed, in ext4_iomap_is_delalloc()
3549 static int ext4_iomap_begin_report(struct inode *inode, loff_t offset, in ext4_iomap_begin_report() argument
3556 u8 blkbits = inode->i_blkbits; in ext4_iomap_begin_report()
3561 if (ext4_has_inline_data(inode)) { in ext4_iomap_begin_report()
3562 ret = ext4_inline_data_iomap(inode, iomap); in ext4_iomap_begin_report()
3583 if (!(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))) { in ext4_iomap_begin_report()
3584 struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); in ext4_iomap_begin_report()
3592 ret = ext4_map_blocks(NULL, inode, &map, 0); in ext4_iomap_begin_report()
3596 delalloc = ext4_iomap_is_delalloc(inode, &map); in ext4_iomap_begin_report()
3599 ext4_set_iomap(inode, iomap, &map, offset, length, flags); in ext4_iomap_begin_report()
3707 void ext4_set_aops(struct inode *inode) in ext4_set_aops() argument
3709 switch (ext4_inode_journal_mode(inode)) { in ext4_set_aops()
3714 inode->i_mapping->a_ops = &ext4_journalled_aops; in ext4_set_aops()
3719 if (IS_DAX(inode)) in ext4_set_aops()
3720 inode->i_mapping->a_ops = &ext4_dax_aops; in ext4_set_aops()
3721 else if (test_opt(inode->i_sb, DELALLOC)) in ext4_set_aops()
3722 inode->i_mapping->a_ops = &ext4_da_aops; in ext4_set_aops()
3724 inode->i_mapping->a_ops = &ext4_aops; in ext4_set_aops()
3734 struct inode *inode = mapping->host; in __ext4_block_zero_page_range() local
3744 blocksize = inode->i_sb->s_blocksize; in __ext4_block_zero_page_range()
3746 iblock = index << (PAGE_SHIFT - inode->i_sb->s_blocksize_bits); in __ext4_block_zero_page_range()
3765 ext4_get_block(inode, iblock, bh, 0); in __ext4_block_zero_page_range()
3781 if (fscrypt_inode_uses_fs_layer_crypto(inode)) { in __ext4_block_zero_page_range()
3783 BUG_ON(!fscrypt_has_encryption_key(inode)); in __ext4_block_zero_page_range()
3792 if (ext4_should_journal_data(inode)) { in __ext4_block_zero_page_range()
3794 err = ext4_journal_get_write_access(handle, inode->i_sb, bh, in __ext4_block_zero_page_range()
3802 if (ext4_should_journal_data(inode)) { in __ext4_block_zero_page_range()
3803 err = ext4_handle_dirty_metadata(handle, inode, bh); in __ext4_block_zero_page_range()
3807 if (ext4_should_order_data(inode)) in __ext4_block_zero_page_range()
3808 err = ext4_jbd2_inode_add_write(handle, inode, from, in __ext4_block_zero_page_range()
3828 struct inode *inode = mapping->host; in ext4_block_zero_page_range() local
3830 unsigned blocksize = inode->i_sb->s_blocksize; in ext4_block_zero_page_range()
3840 if (IS_DAX(inode)) { in ext4_block_zero_page_range()
3841 return dax_zero_range(inode, from, length, NULL, in ext4_block_zero_page_range()
3859 struct inode *inode = mapping->host; in ext4_block_truncate_page() local
3862 if (IS_ENCRYPTED(inode) && !fscrypt_has_encryption_key(inode)) in ext4_block_truncate_page()
3865 blocksize = inode->i_sb->s_blocksize; in ext4_block_truncate_page()
3871 int ext4_zero_partial_blocks(handle_t *handle, struct inode *inode, in ext4_zero_partial_blocks() argument
3874 struct super_block *sb = inode->i_sb; in ext4_zero_partial_blocks()
3875 struct address_space *mapping = inode->i_mapping; in ext4_zero_partial_blocks()
3909 int ext4_can_truncate(struct inode *inode) in ext4_can_truncate() argument
3911 if (S_ISREG(inode->i_mode)) in ext4_can_truncate()
3913 if (S_ISDIR(inode->i_mode)) in ext4_can_truncate()
3915 if (S_ISLNK(inode->i_mode)) in ext4_can_truncate()
3916 return !ext4_inode_is_fast_symlink(inode); in ext4_can_truncate()
3926 int ext4_update_disksize_before_punch(struct inode *inode, loff_t offset, in ext4_update_disksize_before_punch() argument
3932 loff_t size = i_size_read(inode); in ext4_update_disksize_before_punch()
3934 WARN_ON(!inode_is_locked(inode)); in ext4_update_disksize_before_punch()
3938 if (EXT4_I(inode)->i_disksize >= size) in ext4_update_disksize_before_punch()
3941 handle = ext4_journal_start(inode, EXT4_HT_MISC, 1); in ext4_update_disksize_before_punch()
3944 ext4_update_i_disksize(inode, size); in ext4_update_disksize_before_punch()
3945 ret = ext4_mark_inode_dirty(handle, inode); in ext4_update_disksize_before_punch()
3951 static void ext4_wait_dax_page(struct inode *inode) in ext4_wait_dax_page() argument
3953 filemap_invalidate_unlock(inode->i_mapping); in ext4_wait_dax_page()
3955 filemap_invalidate_lock(inode->i_mapping); in ext4_wait_dax_page()
3958 int ext4_break_layouts(struct inode *inode) in ext4_break_layouts() argument
3963 if (WARN_ON_ONCE(!rwsem_is_locked(&inode->i_mapping->invalidate_lock))) in ext4_break_layouts()
3967 page = dax_layout_busy_page(inode->i_mapping); in ext4_break_layouts()
3974 ext4_wait_dax_page(inode)); in ext4_break_layouts()
3993 struct inode *inode = file_inode(file); in ext4_punch_hole() local
3994 struct super_block *sb = inode->i_sb; in ext4_punch_hole()
3996 struct address_space *mapping = inode->i_mapping; in ext4_punch_hole()
3998 struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); in ext4_punch_hole()
4003 trace_ext4_punch_hole(inode, offset, length, 0); in ext4_punch_hole()
4016 inode_lock(inode); in ext4_punch_hole()
4019 if (offset >= inode->i_size) in ext4_punch_hole()
4026 if (offset + length > inode->i_size) { in ext4_punch_hole()
4027 length = inode->i_size + in ext4_punch_hole()
4028 PAGE_SIZE - (inode->i_size & (PAGE_SIZE - 1)) - in ext4_punch_hole()
4036 max_length = sbi->s_bitmap_maxbytes - inode->i_sb->s_blocksize; in ext4_punch_hole()
4046 ret = ext4_inode_attach_jinode(inode); in ext4_punch_hole()
4053 inode_dio_wait(inode); in ext4_punch_hole()
4065 ret = ext4_break_layouts(inode); in ext4_punch_hole()
4074 ret = ext4_update_disksize_before_punch(inode, offset, length); in ext4_punch_hole()
4077 truncate_pagecache_range(inode, first_block_offset, in ext4_punch_hole()
4081 if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) in ext4_punch_hole()
4082 credits = ext4_writepage_trans_blocks(inode); in ext4_punch_hole()
4084 credits = ext4_blocks_for_truncate(inode); in ext4_punch_hole()
4085 handle = ext4_journal_start(inode, EXT4_HT_TRUNCATE, credits); in ext4_punch_hole()
4092 ret = ext4_zero_partial_blocks(handle, inode, offset, in ext4_punch_hole()
4104 down_write(&EXT4_I(inode)->i_data_sem); in ext4_punch_hole()
4105 ext4_discard_preallocations(inode, 0); in ext4_punch_hole()
4107 ret = ext4_es_remove_extent(inode, first_block, in ext4_punch_hole()
4110 up_write(&EXT4_I(inode)->i_data_sem); in ext4_punch_hole()
4114 if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) in ext4_punch_hole()
4115 ret = ext4_ext_remove_space(inode, first_block, in ext4_punch_hole()
4118 ret = ext4_ind_remove_space(handle, inode, first_block, in ext4_punch_hole()
4121 up_write(&EXT4_I(inode)->i_data_sem); in ext4_punch_hole()
4123 ext4_fc_track_range(handle, inode, first_block, stop_block); in ext4_punch_hole()
4124 if (IS_SYNC(inode)) in ext4_punch_hole()
4127 inode->i_mtime = inode->i_ctime = current_time(inode); in ext4_punch_hole()
4128 ret2 = ext4_mark_inode_dirty(handle, inode); in ext4_punch_hole()
4132 ext4_update_inode_fsync_trans(handle, inode, 1); in ext4_punch_hole()
4138 inode_unlock(inode); in ext4_punch_hole()
4142 int ext4_inode_attach_jinode(struct inode *inode) in ext4_inode_attach_jinode() argument
4144 struct ext4_inode_info *ei = EXT4_I(inode); in ext4_inode_attach_jinode()
4147 if (ei->jinode || !EXT4_SB(inode->i_sb)->s_journal) in ext4_inode_attach_jinode()
4151 spin_lock(&inode->i_lock); in ext4_inode_attach_jinode()
4154 spin_unlock(&inode->i_lock); in ext4_inode_attach_jinode()
4158 jbd2_journal_init_jbd_inode(ei->jinode, inode); in ext4_inode_attach_jinode()
4161 spin_unlock(&inode->i_lock); in ext4_inode_attach_jinode()
4195 int ext4_truncate(struct inode *inode) in ext4_truncate() argument
4197 struct ext4_inode_info *ei = EXT4_I(inode); in ext4_truncate()
4201 struct address_space *mapping = inode->i_mapping; in ext4_truncate()
4208 if (!(inode->i_state & (I_NEW|I_FREEING))) in ext4_truncate()
4209 WARN_ON(!inode_is_locked(inode)); in ext4_truncate()
4210 trace_ext4_truncate_enter(inode); in ext4_truncate()
4212 if (!ext4_can_truncate(inode)) in ext4_truncate()
4215 if (inode->i_size == 0 && !test_opt(inode->i_sb, NO_AUTO_DA_ALLOC)) in ext4_truncate()
4216 ext4_set_inode_state(inode, EXT4_STATE_DA_ALLOC_CLOSE); in ext4_truncate()
4218 if (ext4_has_inline_data(inode)) { in ext4_truncate()
4221 err = ext4_inline_data_truncate(inode, &has_inline); in ext4_truncate()
4227 if (inode->i_size & (inode->i_sb->s_blocksize - 1)) { in ext4_truncate()
4228 if (ext4_inode_attach_jinode(inode) < 0) in ext4_truncate()
4232 if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) in ext4_truncate()
4233 credits = ext4_writepage_trans_blocks(inode); in ext4_truncate()
4235 credits = ext4_blocks_for_truncate(inode); in ext4_truncate()
4237 handle = ext4_journal_start(inode, EXT4_HT_TRUNCATE, credits); in ext4_truncate()
4243 if (inode->i_size & (inode->i_sb->s_blocksize - 1)) in ext4_truncate()
4244 ext4_block_truncate_page(handle, mapping, inode->i_size); in ext4_truncate()
4255 err = ext4_orphan_add(handle, inode); in ext4_truncate()
4259 down_write(&EXT4_I(inode)->i_data_sem); in ext4_truncate()
4261 ext4_discard_preallocations(inode, 0); in ext4_truncate()
4263 if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) in ext4_truncate()
4264 err = ext4_ext_truncate(handle, inode); in ext4_truncate()
4266 ext4_ind_truncate(handle, inode); in ext4_truncate()
4272 if (IS_SYNC(inode)) in ext4_truncate()
4283 if (inode->i_nlink) in ext4_truncate()
4284 ext4_orphan_del(handle, inode); in ext4_truncate()
4286 inode->i_mtime = inode->i_ctime = current_time(inode); in ext4_truncate()
4287 err2 = ext4_mark_inode_dirty(handle, inode); in ext4_truncate()
4293 trace_ext4_truncate_exit(inode); in ext4_truncate()
4297 static inline u64 ext4_inode_peek_iversion(const struct inode *inode) in ext4_inode_peek_iversion() argument
4299 if (unlikely(EXT4_I(inode)->i_flags & EXT4_EA_INODE_FL)) in ext4_inode_peek_iversion()
4300 return inode_peek_iversion_raw(inode); in ext4_inode_peek_iversion()
4302 return inode_peek_iversion(inode); in ext4_inode_peek_iversion()
4308 struct inode *inode = &(ei->vfs_inode); in ext4_inode_blocks_set() local
4309 u64 i_blocks = READ_ONCE(inode->i_blocks); in ext4_inode_blocks_set()
4310 struct super_block *sb = inode->i_sb; in ext4_inode_blocks_set()
4319 ext4_clear_inode_flag(inode, EXT4_INODE_HUGE_FILE); in ext4_inode_blocks_set()
4338 ext4_clear_inode_flag(inode, EXT4_INODE_HUGE_FILE); in ext4_inode_blocks_set()
4340 ext4_set_inode_flag(inode, EXT4_INODE_HUGE_FILE); in ext4_inode_blocks_set()
4342 i_blocks = i_blocks >> (inode->i_blkbits - 9); in ext4_inode_blocks_set()
4349 static int ext4_fill_raw_inode(struct inode *inode, struct ext4_inode *raw_inode) in ext4_fill_raw_inode() argument
4351 struct ext4_inode_info *ei = EXT4_I(inode); in ext4_fill_raw_inode()
4360 raw_inode->i_mode = cpu_to_le16(inode->i_mode); in ext4_fill_raw_inode()
4361 i_uid = i_uid_read(inode); in ext4_fill_raw_inode()
4362 i_gid = i_gid_read(inode); in ext4_fill_raw_inode()
4364 if (!(test_opt(inode->i_sb, NO_UID32))) { in ext4_fill_raw_inode()
4387 raw_inode->i_links_count = cpu_to_le16(inode->i_nlink); in ext4_fill_raw_inode()
4389 EXT4_INODE_SET_XTIME(i_ctime, inode, raw_inode); in ext4_fill_raw_inode()
4390 EXT4_INODE_SET_XTIME(i_mtime, inode, raw_inode); in ext4_fill_raw_inode()
4391 EXT4_INODE_SET_XTIME(i_atime, inode, raw_inode); in ext4_fill_raw_inode()
4396 if (likely(!test_opt2(inode->i_sb, HURD_COMPAT))) in ext4_fill_raw_inode()
4402 raw_inode->i_generation = cpu_to_le32(inode->i_generation); in ext4_fill_raw_inode()
4403 if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) { in ext4_fill_raw_inode()
4404 if (old_valid_dev(inode->i_rdev)) { in ext4_fill_raw_inode()
4406 cpu_to_le32(old_encode_dev(inode->i_rdev)); in ext4_fill_raw_inode()
4411 cpu_to_le32(new_encode_dev(inode->i_rdev)); in ext4_fill_raw_inode()
4414 } else if (!ext4_has_inline_data(inode)) { in ext4_fill_raw_inode()
4419 if (likely(!test_opt2(inode->i_sb, HURD_COMPAT))) { in ext4_fill_raw_inode()
4420 u64 ivers = ext4_inode_peek_iversion(inode); in ext4_fill_raw_inode()
4433 !ext4_has_feature_project(inode->i_sb)) in ext4_fill_raw_inode()
4436 if (EXT4_INODE_SIZE(inode->i_sb) > EXT4_GOOD_OLD_INODE_SIZE && in ext4_fill_raw_inode()
4440 ext4_inode_csum_set(inode, raw_inode, ei); in ext4_fill_raw_inode()
4451 struct inode *inode, struct ext4_iloc *iloc, in __ext4_get_inode_loc() argument
4497 if (inode && !ext4_test_inode_state(inode, EXT4_STATE_XATTR)) { in __ext4_get_inode_loc()
4530 if (!ext4_test_inode_state(inode, EXT4_STATE_NEW)) in __ext4_get_inode_loc()
4531 ext4_fill_raw_inode(inode, raw_inode); in __ext4_get_inode_loc()
4586 static int __ext4_get_inode_loc_noinmem(struct inode *inode, in __ext4_get_inode_loc_noinmem() argument
4592 ret = __ext4_get_inode_loc(inode->i_sb, inode->i_ino, NULL, iloc, in __ext4_get_inode_loc_noinmem()
4596 ext4_error_inode_block(inode, err_blk, EIO, in __ext4_get_inode_loc_noinmem()
4602 int ext4_get_inode_loc(struct inode *inode, struct ext4_iloc *iloc) in ext4_get_inode_loc() argument
4607 ret = __ext4_get_inode_loc(inode->i_sb, inode->i_ino, inode, iloc, in ext4_get_inode_loc()
4611 ext4_error_inode_block(inode, err_blk, EIO, in ext4_get_inode_loc()
4624 static bool ext4_should_enable_dax(struct inode *inode) in ext4_should_enable_dax() argument
4626 struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); in ext4_should_enable_dax()
4628 if (test_opt2(inode->i_sb, DAX_NEVER)) in ext4_should_enable_dax()
4630 if (!S_ISREG(inode->i_mode)) in ext4_should_enable_dax()
4632 if (ext4_should_journal_data(inode)) in ext4_should_enable_dax()
4634 if (ext4_has_inline_data(inode)) in ext4_should_enable_dax()
4636 if (ext4_test_inode_flag(inode, EXT4_INODE_ENCRYPT)) in ext4_should_enable_dax()
4638 if (ext4_test_inode_flag(inode, EXT4_INODE_VERITY)) in ext4_should_enable_dax()
4642 if (test_opt(inode->i_sb, DAX_ALWAYS)) in ext4_should_enable_dax()
4645 return ext4_test_inode_flag(inode, EXT4_INODE_DAX); in ext4_should_enable_dax()
4648 void ext4_set_inode_flags(struct inode *inode, bool init) in ext4_set_inode_flags() argument
4650 unsigned int flags = EXT4_I(inode)->i_flags; in ext4_set_inode_flags()
4653 WARN_ON_ONCE(IS_DAX(inode) && init); in ext4_set_inode_flags()
4668 new_fl |= (inode->i_flags & S_DAX); in ext4_set_inode_flags()
4669 if (init && ext4_should_enable_dax(inode)) in ext4_set_inode_flags()
4678 inode_set_flags(inode, new_fl, in ext4_set_inode_flags()
4687 struct inode *inode = &(ei->vfs_inode); in ext4_inode_blocks() local
4688 struct super_block *sb = inode->i_sb; in ext4_inode_blocks()
4694 if (ext4_test_inode_flag(inode, EXT4_INODE_HUGE_FILE)) { in ext4_inode_blocks()
4696 return i_blocks << (inode->i_blkbits - 9); in ext4_inode_blocks()
4705 static inline int ext4_iget_extra_inode(struct inode *inode, in ext4_iget_extra_inode() argument
4712 if (EXT4_INODE_HAS_XATTR_SPACE(inode) && in ext4_iget_extra_inode()
4714 ext4_set_inode_state(inode, EXT4_STATE_XATTR); in ext4_iget_extra_inode()
4715 return ext4_find_inline_data_nolock(inode); in ext4_iget_extra_inode()
4717 EXT4_I(inode)->i_inline_off = 0; in ext4_iget_extra_inode()
4721 int ext4_get_projid(struct inode *inode, kprojid_t *projid) in ext4_get_projid() argument
4723 if (!ext4_has_feature_project(inode->i_sb)) in ext4_get_projid()
4725 *projid = EXT4_I(inode)->i_projid; in ext4_get_projid()
4734 static inline void ext4_inode_set_iversion_queried(struct inode *inode, u64 val) in ext4_inode_set_iversion_queried() argument
4736 if (unlikely(EXT4_I(inode)->i_flags & EXT4_EA_INODE_FL)) in ext4_inode_set_iversion_queried()
4737 inode_set_iversion_raw(inode, val); in ext4_inode_set_iversion_queried()
4739 inode_set_iversion_queried(inode, val); in ext4_inode_set_iversion_queried()
4742 struct inode *__ext4_iget(struct super_block *sb, unsigned long ino, in __ext4_iget()
4750 struct inode *inode; in __ext4_iget() local
4775 inode = iget_locked(sb, ino); in __ext4_iget()
4776 if (!inode) in __ext4_iget()
4778 if (!(inode->i_state & I_NEW)) in __ext4_iget()
4779 return inode; in __ext4_iget()
4781 ei = EXT4_I(inode); in __ext4_iget()
4784 ret = __ext4_get_inode_loc_noinmem(inode, &iloc); in __ext4_iget()
4790 ext4_error_inode(inode, function, line, 0, in __ext4_iget()
4802 if (EXT4_INODE_SIZE(inode->i_sb) > EXT4_GOOD_OLD_INODE_SIZE) { in __ext4_iget()
4805 EXT4_INODE_SIZE(inode->i_sb) || in __ext4_iget()
4807 ext4_error_inode(inode, function, line, 0, in __ext4_iget()
4811 EXT4_INODE_SIZE(inode->i_sb)); in __ext4_iget()
4820 struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); in __ext4_iget()
4822 __le32 inum = cpu_to_le32(inode->i_ino); in __ext4_iget()
4830 if ((!ext4_inode_csum_verify(inode, raw_inode, ei) || in __ext4_iget()
4833 ext4_error_inode_err(inode, function, line, 0, in __ext4_iget()
4839 inode->i_mode = le16_to_cpu(raw_inode->i_mode); in __ext4_iget()
4849 if (!(test_opt(inode->i_sb, NO_UID32))) { in __ext4_iget()
4853 i_uid_write(inode, i_uid); in __ext4_iget()
4854 i_gid_write(inode, i_gid); in __ext4_iget()
4856 set_nlink(inode, le16_to_cpu(raw_inode->i_links_count)); in __ext4_iget()
4867 if (inode->i_nlink == 0) { in __ext4_iget()
4868 if ((inode->i_mode == 0 || in __ext4_iget()
4869 !(EXT4_SB(inode->i_sb)->s_mount_state & EXT4_ORPHAN_FS)) && in __ext4_iget()
4883 ext4_set_inode_flags(inode, true); in __ext4_iget()
4884 inode->i_blocks = ext4_inode_blocks(raw_inode, ei); in __ext4_iget()
4889 inode->i_size = ext4_isize(sb, raw_inode); in __ext4_iget()
4890 if ((size = i_size_read(inode)) < 0) { in __ext4_iget()
4891 ext4_error_inode(inode, function, line, 0, in __ext4_iget()
4902 ext4_test_inode_flag(inode, EXT4_INODE_INDEX)) { in __ext4_iget()
4903 ext4_error_inode(inode, function, line, 0, in __ext4_iget()
4908 ei->i_disksize = inode->i_size; in __ext4_iget()
4912 inode->i_generation = le32_to_cpu(raw_inode->i_generation); in __ext4_iget()
4949 if (EXT4_INODE_SIZE(inode->i_sb) > EXT4_GOOD_OLD_INODE_SIZE) { in __ext4_iget()
4956 ret = ext4_iget_extra_inode(inode, raw_inode, ei); in __ext4_iget()
4962 EXT4_INODE_GET_XTIME(i_ctime, inode, raw_inode); in __ext4_iget()
4963 EXT4_INODE_GET_XTIME(i_mtime, inode, raw_inode); in __ext4_iget()
4964 EXT4_INODE_GET_XTIME(i_atime, inode, raw_inode); in __ext4_iget()
4967 if (likely(!test_opt2(inode->i_sb, HURD_COMPAT))) { in __ext4_iget()
4970 if (EXT4_INODE_SIZE(inode->i_sb) > EXT4_GOOD_OLD_INODE_SIZE) { in __ext4_iget()
4975 ext4_inode_set_iversion_queried(inode, ivers); in __ext4_iget()
4980 !ext4_inode_block_valid(inode, ei->i_file_acl, 1)) { in __ext4_iget()
4981 ext4_error_inode(inode, function, line, 0, in __ext4_iget()
4986 } else if (!ext4_has_inline_data(inode)) { in __ext4_iget()
4989 (S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) || in __ext4_iget()
4990 (S_ISLNK(inode->i_mode) && in __ext4_iget()
4991 !ext4_inode_is_fast_symlink(inode)))) { in __ext4_iget()
4992 if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) in __ext4_iget()
4993 ret = ext4_ext_check_inode(inode); in __ext4_iget()
4995 ret = ext4_ind_check_inode(inode); in __ext4_iget()
5001 if (S_ISREG(inode->i_mode)) { in __ext4_iget()
5002 inode->i_op = &ext4_file_inode_operations; in __ext4_iget()
5003 inode->i_fop = &ext4_file_operations; in __ext4_iget()
5004 ext4_set_aops(inode); in __ext4_iget()
5005 } else if (S_ISDIR(inode->i_mode)) { in __ext4_iget()
5006 inode->i_op = &ext4_dir_inode_operations; in __ext4_iget()
5007 inode->i_fop = &ext4_dir_operations; in __ext4_iget()
5008 } else if (S_ISLNK(inode->i_mode)) { in __ext4_iget()
5010 if (IS_APPEND(inode) || IS_IMMUTABLE(inode)) { in __ext4_iget()
5011 ext4_error_inode(inode, function, line, 0, in __ext4_iget()
5017 if (IS_ENCRYPTED(inode)) { in __ext4_iget()
5018 inode->i_op = &ext4_encrypted_symlink_inode_operations; in __ext4_iget()
5019 } else if (ext4_inode_is_fast_symlink(inode)) { in __ext4_iget()
5020 inode->i_link = (char *)ei->i_data; in __ext4_iget()
5021 inode->i_op = &ext4_fast_symlink_inode_operations; in __ext4_iget()
5022 nd_terminate_link(ei->i_data, inode->i_size, in __ext4_iget()
5025 inode->i_op = &ext4_symlink_inode_operations; in __ext4_iget()
5027 } else if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) || in __ext4_iget()
5028 S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) { in __ext4_iget()
5029 inode->i_op = &ext4_special_inode_operations; in __ext4_iget()
5031 init_special_inode(inode, inode->i_mode, in __ext4_iget()
5034 init_special_inode(inode, inode->i_mode, in __ext4_iget()
5037 make_bad_inode(inode); in __ext4_iget()
5040 ext4_error_inode(inode, function, line, 0, in __ext4_iget()
5041 "iget: bogus i_mode (%o)", inode->i_mode); in __ext4_iget()
5044 if (IS_CASEFOLDED(inode) && !ext4_has_feature_casefold(inode->i_sb)) in __ext4_iget()
5045 ext4_error_inode(inode, function, line, 0, in __ext4_iget()
5049 unlock_new_inode(inode); in __ext4_iget()
5050 return inode; in __ext4_iget()
5054 iget_failed(inode); in __ext4_iget()
5063 struct inode *inode; in __ext4_update_other_inode_time() local
5065 inode = find_inode_by_ino_rcu(sb, ino); in __ext4_update_other_inode_time()
5066 if (!inode) in __ext4_update_other_inode_time()
5069 if (!inode_is_dirtytime_only(inode)) in __ext4_update_other_inode_time()
5072 spin_lock(&inode->i_lock); in __ext4_update_other_inode_time()
5073 if (inode_is_dirtytime_only(inode)) { in __ext4_update_other_inode_time()
5074 struct ext4_inode_info *ei = EXT4_I(inode); in __ext4_update_other_inode_time()
5076 inode->i_state &= ~I_DIRTY_TIME; in __ext4_update_other_inode_time()
5077 spin_unlock(&inode->i_lock); in __ext4_update_other_inode_time()
5080 EXT4_INODE_SET_XTIME(i_ctime, inode, raw_inode); in __ext4_update_other_inode_time()
5081 EXT4_INODE_SET_XTIME(i_mtime, inode, raw_inode); in __ext4_update_other_inode_time()
5082 EXT4_INODE_SET_XTIME(i_atime, inode, raw_inode); in __ext4_update_other_inode_time()
5083 ext4_inode_csum_set(inode, raw_inode, ei); in __ext4_update_other_inode_time()
5085 trace_ext4_other_inode_update_time(inode, orig_ino); in __ext4_update_other_inode_time()
5088 spin_unlock(&inode->i_lock); in __ext4_update_other_inode_time()
5126 struct inode *inode, in ext4_do_update_inode() argument
5130 struct ext4_inode_info *ei = EXT4_I(inode); in ext4_do_update_inode()
5132 struct super_block *sb = inode->i_sb; in ext4_do_update_inode()
5142 if (ext4_test_inode_state(inode, EXT4_STATE_NEW)) in ext4_do_update_inode()
5143 memset(raw_inode, 0, EXT4_SB(inode->i_sb)->s_inode_size); in ext4_do_update_inode()
5145 if (READ_ONCE(ei->i_disksize) != ext4_isize(inode->i_sb, raw_inode)) in ext4_do_update_inode()
5153 err = ext4_fill_raw_inode(inode, raw_inode); in ext4_do_update_inode()
5156 EXT4_ERROR_INODE(inode, "corrupted inode contents"); in ext4_do_update_inode()
5160 if (inode->i_sb->s_flags & SB_LAZYTIME) in ext4_do_update_inode()
5161 ext4_update_other_inodes_time(inode->i_sb, inode->i_ino, in ext4_do_update_inode()
5168 ext4_clear_inode_state(inode, EXT4_STATE_NEW); in ext4_do_update_inode()
5184 ext4_update_inode_fsync_trans(handle, inode, need_datasync); in ext4_do_update_inode()
5186 ext4_std_error(inode->i_sb, err); in ext4_do_update_inode()
5226 int ext4_write_inode(struct inode *inode, struct writeback_control *wbc) in ext4_write_inode() argument
5231 sb_rdonly(inode->i_sb)) in ext4_write_inode()
5234 if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb)))) in ext4_write_inode()
5237 if (EXT4_SB(inode->i_sb)->s_journal) { in ext4_write_inode()
5252 err = ext4_fc_commit(EXT4_SB(inode->i_sb)->s_journal, in ext4_write_inode()
5253 EXT4_I(inode)->i_sync_tid); in ext4_write_inode()
5257 err = __ext4_get_inode_loc_noinmem(inode, &iloc); in ext4_write_inode()
5267 ext4_error_inode_block(inode, iloc.bh->b_blocknr, EIO, in ext4_write_inode()
5281 static void ext4_wait_for_tail_page_commit(struct inode *inode) in ext4_wait_for_tail_page_commit() argument
5284 journal_t *journal = EXT4_SB(inode->i_sb)->s_journal; in ext4_wait_for_tail_page_commit()
5288 offset = inode->i_size & (PAGE_SIZE - 1); in ext4_wait_for_tail_page_commit()
5298 if (!offset || offset > (PAGE_SIZE - i_blocksize(inode))) in ext4_wait_for_tail_page_commit()
5301 struct folio *folio = filemap_lock_folio(inode->i_mapping, in ext4_wait_for_tail_page_commit()
5302 inode->i_size >> PAGE_SHIFT); in ext4_wait_for_tail_page_commit()
5348 struct inode *inode = d_inode(dentry); in ext4_setattr() local
5354 if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb)))) in ext4_setattr()
5357 if (unlikely(IS_IMMUTABLE(inode))) in ext4_setattr()
5360 if (unlikely(IS_APPEND(inode) && in ext4_setattr()
5377 if (is_quota_modification(mnt_userns, inode, attr)) { in ext4_setattr()
5378 error = dquot_initialize(inode); in ext4_setattr()
5383 if (i_uid_needs_update(mnt_userns, attr, inode) || in ext4_setattr()
5384 i_gid_needs_update(mnt_userns, attr, inode)) { in ext4_setattr()
5389 handle = ext4_journal_start(inode, EXT4_HT_QUOTA, in ext4_setattr()
5390 (EXT4_MAXQUOTAS_INIT_BLOCKS(inode->i_sb) + in ext4_setattr()
5391 EXT4_MAXQUOTAS_DEL_BLOCKS(inode->i_sb)) + 3); in ext4_setattr()
5400 down_read(&EXT4_I(inode)->xattr_sem); in ext4_setattr()
5401 error = dquot_transfer(mnt_userns, inode, attr); in ext4_setattr()
5402 up_read(&EXT4_I(inode)->xattr_sem); in ext4_setattr()
5410 i_uid_update(mnt_userns, attr, inode); in ext4_setattr()
5411 i_gid_update(mnt_userns, attr, inode); in ext4_setattr()
5412 error = ext4_mark_inode_dirty(handle, inode); in ext4_setattr()
5421 loff_t oldsize = inode->i_size; in ext4_setattr()
5423 int shrink = (attr->ia_size < inode->i_size); in ext4_setattr()
5425 if (!(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))) { in ext4_setattr()
5426 struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); in ext4_setattr()
5432 if (!S_ISREG(inode->i_mode)) { in ext4_setattr()
5436 if (attr->ia_size == inode->i_size) in ext4_setattr()
5440 if (ext4_should_order_data(inode)) { in ext4_setattr()
5441 error = ext4_begin_ordered_truncate(inode, in ext4_setattr()
5450 inode_dio_wait(inode); in ext4_setattr()
5453 filemap_invalidate_lock(inode->i_mapping); in ext4_setattr()
5455 rc = ext4_break_layouts(inode); in ext4_setattr()
5457 filemap_invalidate_unlock(inode->i_mapping); in ext4_setattr()
5461 if (attr->ia_size != inode->i_size) { in ext4_setattr()
5462 handle = ext4_journal_start(inode, EXT4_HT_INODE, 3); in ext4_setattr()
5468 error = ext4_orphan_add(handle, inode); in ext4_setattr()
5476 inode->i_mtime = current_time(inode); in ext4_setattr()
5477 inode->i_ctime = inode->i_mtime; in ext4_setattr()
5481 ext4_fc_track_range(handle, inode, in ext4_setattr()
5483 inode->i_sb->s_blocksize_bits, in ext4_setattr()
5487 handle, inode, in ext4_setattr()
5489 inode->i_sb->s_blocksize_bits, in ext4_setattr()
5491 inode->i_sb->s_blocksize_bits); in ext4_setattr()
5493 down_write(&EXT4_I(inode)->i_data_sem); in ext4_setattr()
5494 old_disksize = EXT4_I(inode)->i_disksize; in ext4_setattr()
5495 EXT4_I(inode)->i_disksize = attr->ia_size; in ext4_setattr()
5496 rc = ext4_mark_inode_dirty(handle, inode); in ext4_setattr()
5505 i_size_write(inode, attr->ia_size); in ext4_setattr()
5507 EXT4_I(inode)->i_disksize = old_disksize; in ext4_setattr()
5508 up_write(&EXT4_I(inode)->i_data_sem); in ext4_setattr()
5513 pagecache_isize_extended(inode, oldsize, in ext4_setattr()
5514 inode->i_size); in ext4_setattr()
5515 } else if (ext4_should_journal_data(inode)) { in ext4_setattr()
5516 ext4_wait_for_tail_page_commit(inode); in ext4_setattr()
5524 truncate_pagecache(inode, inode->i_size); in ext4_setattr()
5530 rc = ext4_truncate(inode); in ext4_setattr()
5535 filemap_invalidate_unlock(inode->i_mapping); in ext4_setattr()
5540 inode_inc_iversion(inode); in ext4_setattr()
5541 setattr_copy(mnt_userns, inode, attr); in ext4_setattr()
5542 mark_inode_dirty(inode); in ext4_setattr()
5549 if (orphan && inode->i_nlink) in ext4_setattr()
5550 ext4_orphan_del(NULL, inode); in ext4_setattr()
5553 rc = posix_acl_chmod(mnt_userns, inode, inode->i_mode); in ext4_setattr()
5557 ext4_std_error(inode->i_sb, error); in ext4_setattr()
5563 u32 ext4_dio_alignment(struct inode *inode) in ext4_dio_alignment() argument
5565 if (fsverity_active(inode)) in ext4_dio_alignment()
5567 if (ext4_should_journal_data(inode)) in ext4_dio_alignment()
5569 if (ext4_has_inline_data(inode)) in ext4_dio_alignment()
5571 if (IS_ENCRYPTED(inode)) { in ext4_dio_alignment()
5572 if (!fscrypt_dio_supported(inode)) in ext4_dio_alignment()
5574 return i_blocksize(inode); in ext4_dio_alignment()
5582 struct inode *inode = d_inode(path->dentry); in ext4_getattr() local
5584 struct ext4_inode_info *ei = EXT4_I(inode); in ext4_getattr()
5599 if ((request_mask & STATX_DIOALIGN) && S_ISREG(inode->i_mode)) { in ext4_getattr()
5600 u32 dio_align = ext4_dio_alignment(inode); in ext4_getattr()
5604 struct block_device *bdev = inode->i_sb->s_bdev; in ext4_getattr()
5636 generic_fillattr(mnt_userns, inode, stat); in ext4_getattr()
5644 struct inode *inode = d_inode(path->dentry); in ext4_file_getattr() local
5655 if (unlikely(ext4_has_inline_data(inode))) in ext4_file_getattr()
5668 delalloc_blocks = EXT4_C2B(EXT4_SB(inode->i_sb), in ext4_file_getattr()
5669 EXT4_I(inode)->i_reserved_data_blocks); in ext4_file_getattr()
5670 stat->blocks += delalloc_blocks << (inode->i_sb->s_blocksize_bits - 9); in ext4_file_getattr()
5674 static int ext4_index_trans_blocks(struct inode *inode, int lblocks, in ext4_index_trans_blocks() argument
5677 if (!(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))) in ext4_index_trans_blocks()
5678 return ext4_ind_trans_blocks(inode, lblocks); in ext4_index_trans_blocks()
5679 return ext4_ext_index_trans_blocks(inode, pextents); in ext4_index_trans_blocks()
5693 static int ext4_meta_trans_blocks(struct inode *inode, int lblocks, in ext4_meta_trans_blocks() argument
5696 ext4_group_t groups, ngroups = ext4_get_groups_count(inode->i_sb); in ext4_meta_trans_blocks()
5705 idxblocks = ext4_index_trans_blocks(inode, lblocks, pextents); in ext4_meta_trans_blocks()
5717 if (groups > EXT4_SB(inode->i_sb)->s_gdb_count) in ext4_meta_trans_blocks()
5718 gdpblocks = EXT4_SB(inode->i_sb)->s_gdb_count; in ext4_meta_trans_blocks()
5724 ret += EXT4_META_TRANS_BLOCKS(inode->i_sb); in ext4_meta_trans_blocks()
5739 int ext4_writepage_trans_blocks(struct inode *inode) in ext4_writepage_trans_blocks() argument
5741 int bpp = ext4_journal_blocks_per_page(inode); in ext4_writepage_trans_blocks()
5744 ret = ext4_meta_trans_blocks(inode, bpp, bpp); in ext4_writepage_trans_blocks()
5747 if (ext4_should_journal_data(inode)) in ext4_writepage_trans_blocks()
5761 int ext4_chunk_trans_blocks(struct inode *inode, int nrblocks) in ext4_chunk_trans_blocks() argument
5763 return ext4_meta_trans_blocks(inode, nrblocks, 1); in ext4_chunk_trans_blocks()
5771 struct inode *inode, struct ext4_iloc *iloc) in ext4_mark_iloc_dirty() argument
5775 if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb)))) { in ext4_mark_iloc_dirty()
5779 ext4_fc_track_inode(handle, inode); in ext4_mark_iloc_dirty()
5785 err = ext4_do_update_inode(handle, inode, iloc); in ext4_mark_iloc_dirty()
5796 ext4_reserve_inode_write(handle_t *handle, struct inode *inode, in ext4_reserve_inode_write() argument
5801 if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb)))) in ext4_reserve_inode_write()
5804 err = ext4_get_inode_loc(inode, iloc); in ext4_reserve_inode_write()
5807 err = ext4_journal_get_write_access(handle, inode->i_sb, in ext4_reserve_inode_write()
5814 ext4_std_error(inode->i_sb, err); in ext4_reserve_inode_write()
5818 static int __ext4_expand_extra_isize(struct inode *inode, in __ext4_expand_extra_isize() argument
5825 unsigned int inode_size = EXT4_INODE_SIZE(inode->i_sb); in __ext4_expand_extra_isize()
5826 struct ext4_inode_info *ei = EXT4_I(inode); in __ext4_expand_extra_isize()
5832 EXT4_ERROR_INODE(inode, "bad extra_isize %u (inode size %u)", in __ext4_expand_extra_isize()
5834 EXT4_INODE_SIZE(inode->i_sb)); in __ext4_expand_extra_isize()
5844 header = IHDR(inode, raw_inode); in __ext4_expand_extra_isize()
5847 if (!ext4_test_inode_state(inode, EXT4_STATE_XATTR) || in __ext4_expand_extra_isize()
5850 EXT4_I(inode)->i_extra_isize, 0, in __ext4_expand_extra_isize()
5851 new_extra_isize - EXT4_I(inode)->i_extra_isize); in __ext4_expand_extra_isize()
5852 EXT4_I(inode)->i_extra_isize = new_extra_isize; in __ext4_expand_extra_isize()
5857 error = ext4_expand_extra_isize_ea(inode, new_extra_isize, in __ext4_expand_extra_isize()
5873 static int ext4_try_to_expand_extra_isize(struct inode *inode, in ext4_try_to_expand_extra_isize() argument
5881 if (ext4_test_inode_state(inode, EXT4_STATE_NO_EXPAND)) in ext4_try_to_expand_extra_isize()
5894 EXT4_DATA_TRANS_BLOCKS(inode->i_sb), 0) != 0) in ext4_try_to_expand_extra_isize()
5897 if (ext4_write_trylock_xattr(inode, &no_expand) == 0) in ext4_try_to_expand_extra_isize()
5900 error = __ext4_expand_extra_isize(inode, new_extra_isize, &iloc, in ext4_try_to_expand_extra_isize()
5902 ext4_write_unlock_xattr(inode, &no_expand); in ext4_try_to_expand_extra_isize()
5907 int ext4_expand_extra_isize(struct inode *inode, in ext4_expand_extra_isize() argument
5915 if (ext4_test_inode_state(inode, EXT4_STATE_NO_EXPAND)) { in ext4_expand_extra_isize()
5920 handle = ext4_journal_start(inode, EXT4_HT_INODE, in ext4_expand_extra_isize()
5921 EXT4_DATA_TRANS_BLOCKS(inode->i_sb)); in ext4_expand_extra_isize()
5928 ext4_write_lock_xattr(inode, &no_expand); in ext4_expand_extra_isize()
5931 error = ext4_journal_get_write_access(handle, inode->i_sb, iloc->bh, in ext4_expand_extra_isize()
5938 error = __ext4_expand_extra_isize(inode, new_extra_isize, iloc, in ext4_expand_extra_isize()
5941 rc = ext4_mark_iloc_dirty(handle, inode, iloc); in ext4_expand_extra_isize()
5946 ext4_write_unlock_xattr(inode, &no_expand); in ext4_expand_extra_isize()
5964 int __ext4_mark_inode_dirty(handle_t *handle, struct inode *inode, in __ext4_mark_inode_dirty() argument
5968 struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); in __ext4_mark_inode_dirty()
5972 trace_ext4_mark_inode_dirty(inode, _RET_IP_); in __ext4_mark_inode_dirty()
5973 err = ext4_reserve_inode_write(handle, inode, &iloc); in __ext4_mark_inode_dirty()
5977 if (EXT4_I(inode)->i_extra_isize < sbi->s_want_extra_isize) in __ext4_mark_inode_dirty()
5978 ext4_try_to_expand_extra_isize(inode, sbi->s_want_extra_isize, in __ext4_mark_inode_dirty()
5981 err = ext4_mark_iloc_dirty(handle, inode, &iloc); in __ext4_mark_inode_dirty()
5984 ext4_error_inode_err(inode, func, line, 0, err, in __ext4_mark_inode_dirty()
6003 void ext4_dirty_inode(struct inode *inode, int flags) in ext4_dirty_inode() argument
6007 handle = ext4_journal_start(inode, EXT4_HT_INODE, 2); in ext4_dirty_inode()
6010 ext4_mark_inode_dirty(handle, inode); in ext4_dirty_inode()
6014 int ext4_change_inode_journal_flag(struct inode *inode, int val) in ext4_change_inode_journal_flag() argument
6019 struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); in ext4_change_inode_journal_flag()
6031 journal = EXT4_JOURNAL(inode); in ext4_change_inode_journal_flag()
6038 inode_dio_wait(inode); in ext4_change_inode_journal_flag()
6049 filemap_invalidate_lock(inode->i_mapping); in ext4_change_inode_journal_flag()
6050 err = filemap_write_and_wait(inode->i_mapping); in ext4_change_inode_journal_flag()
6052 filemap_invalidate_unlock(inode->i_mapping); in ext4_change_inode_journal_flag()
6069 ext4_set_inode_flag(inode, EXT4_INODE_JOURNAL_DATA); in ext4_change_inode_journal_flag()
6077 ext4_clear_inode_flag(inode, EXT4_INODE_JOURNAL_DATA); in ext4_change_inode_journal_flag()
6079 ext4_set_aops(inode); in ext4_change_inode_journal_flag()
6085 filemap_invalidate_unlock(inode->i_mapping); in ext4_change_inode_journal_flag()
6089 handle = ext4_journal_start(inode, EXT4_HT_INODE, 1); in ext4_change_inode_journal_flag()
6093 ext4_fc_mark_ineligible(inode->i_sb, in ext4_change_inode_journal_flag()
6095 err = ext4_mark_inode_dirty(handle, inode); in ext4_change_inode_journal_flag()
6098 ext4_std_error(inode->i_sb, err); in ext4_change_inode_journal_flag()
6103 static int ext4_bh_unmapped(handle_t *handle, struct inode *inode, in ext4_bh_unmapped() argument
6118 struct inode *inode = file_inode(file); in ext4_page_mkwrite() local
6119 struct address_space *mapping = inode->i_mapping; in ext4_page_mkwrite()
6124 if (unlikely(IS_IMMUTABLE(inode))) in ext4_page_mkwrite()
6127 sb_start_pagefault(inode->i_sb); in ext4_page_mkwrite()
6132 err = ext4_convert_inline_data(inode); in ext4_page_mkwrite()
6142 if (ext4_should_journal_data(inode)) in ext4_page_mkwrite()
6146 if (test_opt(inode->i_sb, DELALLOC) && in ext4_page_mkwrite()
6147 !ext4_nonda_switch(inode->i_sb)) { in ext4_page_mkwrite()
6152 ext4_should_retry_alloc(inode->i_sb, &retries)); in ext4_page_mkwrite()
6157 size = i_size_read(inode); in ext4_page_mkwrite()
6177 if (!ext4_walk_page_buffers(NULL, inode, page_buffers(page), in ext4_page_mkwrite()
6188 if (ext4_should_dioread_nolock(inode)) in ext4_page_mkwrite()
6193 handle = ext4_journal_start(inode, EXT4_HT_WRITE_PAGE, in ext4_page_mkwrite()
6194 ext4_writepage_trans_blocks(inode)); in ext4_page_mkwrite()
6204 if (!ext4_should_journal_data(inode)) { in ext4_page_mkwrite()
6208 size = i_size_read(inode); in ext4_page_mkwrite()
6223 if (ext4_walk_page_buffers(handle, inode, in ext4_page_mkwrite()
6227 if (ext4_walk_page_buffers(handle, inode, in ext4_page_mkwrite()
6231 if (ext4_jbd2_inode_add_write(handle, inode, in ext4_page_mkwrite()
6234 ext4_set_inode_state(inode, EXT4_STATE_JDATA); in ext4_page_mkwrite()
6240 if (err == -ENOSPC && ext4_should_retry_alloc(inode->i_sb, &retries)) in ext4_page_mkwrite()
6246 sb_end_pagefault(inode->i_sb); in ext4_page_mkwrite()