Lines Matching refs:inode
53 static __u32 ext4_inode_csum(struct inode *inode, struct ext4_inode *raw, in ext4_inode_csum() argument
56 struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); in ext4_inode_csum()
68 if (EXT4_INODE_SIZE(inode->i_sb) > EXT4_GOOD_OLD_INODE_SIZE) { in ext4_inode_csum()
79 EXT4_INODE_SIZE(inode->i_sb) - offset); in ext4_inode_csum()
85 static int ext4_inode_csum_verify(struct inode *inode, struct ext4_inode *raw, in ext4_inode_csum_verify() argument
90 if (EXT4_SB(inode->i_sb)->s_es->s_creator_os != in ext4_inode_csum_verify()
92 !ext4_has_metadata_csum(inode->i_sb)) in ext4_inode_csum_verify()
96 calculated = ext4_inode_csum(inode, raw, ei); in ext4_inode_csum_verify()
97 if (EXT4_INODE_SIZE(inode->i_sb) > EXT4_GOOD_OLD_INODE_SIZE && in ext4_inode_csum_verify()
106 static void ext4_inode_csum_set(struct inode *inode, struct ext4_inode *raw, in ext4_inode_csum_set() argument
111 if (EXT4_SB(inode->i_sb)->s_es->s_creator_os != in ext4_inode_csum_set()
113 !ext4_has_metadata_csum(inode->i_sb)) in ext4_inode_csum_set()
116 csum = ext4_inode_csum(inode, raw, ei); in ext4_inode_csum_set()
118 if (EXT4_INODE_SIZE(inode->i_sb) > EXT4_GOOD_OLD_INODE_SIZE && in ext4_inode_csum_set()
123 static inline int ext4_begin_ordered_truncate(struct inode *inode, in ext4_begin_ordered_truncate() argument
126 trace_ext4_begin_ordered_truncate(inode, new_size); in ext4_begin_ordered_truncate()
133 if (!EXT4_I(inode)->jinode) in ext4_begin_ordered_truncate()
135 return jbd2_journal_begin_ordered_truncate(EXT4_JOURNAL(inode), in ext4_begin_ordered_truncate()
136 EXT4_I(inode)->jinode, in ext4_begin_ordered_truncate()
144 static int ext4_meta_trans_blocks(struct inode *inode, int lblocks,
151 int ext4_inode_is_fast_symlink(struct inode *inode) in ext4_inode_is_fast_symlink() argument
153 if (!(EXT4_I(inode)->i_flags & EXT4_EA_INODE_FL)) { in ext4_inode_is_fast_symlink()
154 int ea_blocks = EXT4_I(inode)->i_file_acl ? in ext4_inode_is_fast_symlink()
155 EXT4_CLUSTER_SIZE(inode->i_sb) >> 9 : 0; in ext4_inode_is_fast_symlink()
157 if (ext4_has_inline_data(inode)) in ext4_inode_is_fast_symlink()
160 return (S_ISLNK(inode->i_mode) && inode->i_blocks - ea_blocks == 0); in ext4_inode_is_fast_symlink()
162 return S_ISLNK(inode->i_mode) && inode->i_size && in ext4_inode_is_fast_symlink()
163 (inode->i_size < EXT4_N_BLOCKS * 4); in ext4_inode_is_fast_symlink()
171 int ext4_truncate_restart_trans(handle_t *handle, struct inode *inode, in ext4_truncate_restart_trans() argument
182 BUG_ON(EXT4_JOURNAL(inode) == NULL); in ext4_truncate_restart_trans()
184 up_write(&EXT4_I(inode)->i_data_sem); in ext4_truncate_restart_trans()
186 down_write(&EXT4_I(inode)->i_data_sem); in ext4_truncate_restart_trans()
187 ext4_discard_preallocations(inode); in ext4_truncate_restart_trans()
195 void ext4_evict_inode(struct inode *inode) in ext4_evict_inode() argument
202 trace_ext4_evict_inode(inode); in ext4_evict_inode()
204 if (inode->i_nlink) { in ext4_evict_inode()
223 if (inode->i_ino != EXT4_JOURNAL_INO && in ext4_evict_inode()
224 ext4_should_journal_data(inode) && in ext4_evict_inode()
225 (S_ISLNK(inode->i_mode) || S_ISREG(inode->i_mode)) && in ext4_evict_inode()
226 inode->i_data.nrpages) { in ext4_evict_inode()
227 journal_t *journal = EXT4_SB(inode->i_sb)->s_journal; in ext4_evict_inode()
228 tid_t commit_tid = EXT4_I(inode)->i_datasync_tid; in ext4_evict_inode()
231 filemap_write_and_wait(&inode->i_data); in ext4_evict_inode()
233 truncate_inode_pages_final(&inode->i_data); in ext4_evict_inode()
238 if (is_bad_inode(inode)) in ext4_evict_inode()
240 dquot_initialize(inode); in ext4_evict_inode()
242 if (ext4_should_order_data(inode)) in ext4_evict_inode()
243 ext4_begin_ordered_truncate(inode, 0); in ext4_evict_inode()
244 truncate_inode_pages_final(&inode->i_data); in ext4_evict_inode()
250 sb_start_intwrite(inode->i_sb); in ext4_evict_inode()
252 if (!IS_NOQUOTA(inode)) in ext4_evict_inode()
253 extra_credits += EXT4_MAXQUOTAS_DEL_BLOCKS(inode->i_sb); in ext4_evict_inode()
255 handle = ext4_journal_start(inode, EXT4_HT_TRUNCATE, in ext4_evict_inode()
256 ext4_blocks_for_truncate(inode)+extra_credits); in ext4_evict_inode()
258 ext4_std_error(inode->i_sb, PTR_ERR(handle)); in ext4_evict_inode()
264 ext4_orphan_del(NULL, inode); in ext4_evict_inode()
265 sb_end_intwrite(inode->i_sb); in ext4_evict_inode()
269 if (IS_SYNC(inode)) in ext4_evict_inode()
279 if (ext4_inode_is_fast_symlink(inode)) in ext4_evict_inode()
280 memset(EXT4_I(inode)->i_data, 0, sizeof(EXT4_I(inode)->i_data)); in ext4_evict_inode()
281 inode->i_size = 0; in ext4_evict_inode()
282 err = ext4_mark_inode_dirty(handle, inode); in ext4_evict_inode()
284 ext4_warning(inode->i_sb, in ext4_evict_inode()
288 if (inode->i_blocks) { in ext4_evict_inode()
289 err = ext4_truncate(inode); in ext4_evict_inode()
291 ext4_error(inode->i_sb, in ext4_evict_inode()
293 inode->i_ino, err); in ext4_evict_inode()
299 err = ext4_xattr_delete_inode(handle, inode, &ea_inode_array, in ext4_evict_inode()
302 ext4_warning(inode->i_sb, "xattr delete (err %d)", err); in ext4_evict_inode()
305 ext4_orphan_del(NULL, inode); in ext4_evict_inode()
306 sb_end_intwrite(inode->i_sb); in ext4_evict_inode()
319 ext4_orphan_del(handle, inode); in ext4_evict_inode()
320 EXT4_I(inode)->i_dtime = (__u32)ktime_get_real_seconds(); in ext4_evict_inode()
329 if (ext4_mark_inode_dirty(handle, inode)) in ext4_evict_inode()
331 ext4_clear_inode(inode); in ext4_evict_inode()
333 ext4_free_inode(handle, inode); in ext4_evict_inode()
335 sb_end_intwrite(inode->i_sb); in ext4_evict_inode()
339 ext4_clear_inode(inode); /* We must guarantee clearing of inode... */ in ext4_evict_inode()
343 qsize_t *ext4_get_reserved_space(struct inode *inode) in ext4_get_reserved_space() argument
345 return &EXT4_I(inode)->i_reserved_quota; in ext4_get_reserved_space()
353 void ext4_da_update_reserve_space(struct inode *inode, in ext4_da_update_reserve_space() argument
356 struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); in ext4_da_update_reserve_space()
357 struct ext4_inode_info *ei = EXT4_I(inode); in ext4_da_update_reserve_space()
360 trace_ext4_da_update_reserve_space(inode, used, quota_claim); in ext4_da_update_reserve_space()
362 ext4_warning(inode->i_sb, "%s: ino %lu, used %d " in ext4_da_update_reserve_space()
364 __func__, inode->i_ino, used, in ext4_da_update_reserve_space()
374 spin_unlock(&EXT4_I(inode)->i_block_reservation_lock); in ext4_da_update_reserve_space()
378 dquot_claim_block(inode, EXT4_C2B(sbi, used)); in ext4_da_update_reserve_space()
385 dquot_release_reservation_block(inode, EXT4_C2B(sbi, used)); in ext4_da_update_reserve_space()
394 (atomic_read(&inode->i_writecount) == 0)) in ext4_da_update_reserve_space()
395 ext4_discard_preallocations(inode); in ext4_da_update_reserve_space()
398 static int __check_block_validity(struct inode *inode, const char *func, in __check_block_validity() argument
402 if (!ext4_data_block_valid(EXT4_SB(inode->i_sb), map->m_pblk, in __check_block_validity()
404 ext4_error_inode(inode, func, line, map->m_pblk, in __check_block_validity()
413 int ext4_issue_zeroout(struct inode *inode, ext4_lblk_t lblk, ext4_fsblk_t pblk, in ext4_issue_zeroout() argument
418 if (ext4_encrypted_inode(inode)) in ext4_issue_zeroout()
419 return fscrypt_zeroout_range(inode, lblk, pblk, len); in ext4_issue_zeroout()
421 ret = sb_issue_zeroout(inode->i_sb, pblk, len, GFP_NOFS); in ext4_issue_zeroout()
428 #define check_block_validity(inode, map) \ argument
429 __check_block_validity((inode), __func__, __LINE__, (map))
433 struct inode *inode, in ext4_map_blocks_es_recheck() argument
448 down_read(&EXT4_I(inode)->i_data_sem); in ext4_map_blocks_es_recheck()
449 if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) { in ext4_map_blocks_es_recheck()
450 retval = ext4_ext_map_blocks(handle, inode, map, flags & in ext4_map_blocks_es_recheck()
453 retval = ext4_ind_map_blocks(handle, inode, map, flags & in ext4_map_blocks_es_recheck()
456 up_read((&EXT4_I(inode)->i_data_sem)); in ext4_map_blocks_es_recheck()
468 inode->i_ino, es_map->m_lblk, es_map->m_len, in ext4_map_blocks_es_recheck()
498 int ext4_map_blocks(handle_t *handle, struct inode *inode, in ext4_map_blocks() argument
512 "logical block %lu\n", inode->i_ino, flags, map->m_len, in ext4_map_blocks()
526 if (ext4_es_lookup_extent(inode, map->m_lblk, &es)) { in ext4_map_blocks()
547 ext4_map_blocks_es_recheck(handle, inode, map, in ext4_map_blocks()
557 down_read(&EXT4_I(inode)->i_data_sem); in ext4_map_blocks()
558 if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) { in ext4_map_blocks()
559 retval = ext4_ext_map_blocks(handle, inode, map, flags & in ext4_map_blocks()
562 retval = ext4_ind_map_blocks(handle, inode, map, flags & in ext4_map_blocks()
569 ext4_warning(inode->i_sb, in ext4_map_blocks()
572 inode->i_ino, retval, map->m_len); in ext4_map_blocks()
580 ext4_find_delalloc_range(inode, map->m_lblk, in ext4_map_blocks()
583 ret = ext4_es_insert_extent(inode, map->m_lblk, in ext4_map_blocks()
588 up_read((&EXT4_I(inode)->i_data_sem)); in ext4_map_blocks()
592 ret = check_block_validity(inode, map); in ext4_map_blocks()
629 down_write(&EXT4_I(inode)->i_data_sem); in ext4_map_blocks()
635 if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) { in ext4_map_blocks()
636 retval = ext4_ext_map_blocks(handle, inode, map, flags); in ext4_map_blocks()
638 retval = ext4_ind_map_blocks(handle, inode, map, flags); in ext4_map_blocks()
646 ext4_clear_inode_state(inode, EXT4_STATE_EXT_MIGRATE); in ext4_map_blocks()
657 ext4_da_update_reserve_space(inode, retval, 1); in ext4_map_blocks()
664 ext4_warning(inode->i_sb, in ext4_map_blocks()
667 inode->i_ino, retval, map->m_len); in ext4_map_blocks()
681 clean_bdev_aliases(inode->i_sb->s_bdev, map->m_pblk, in ext4_map_blocks()
683 ret = ext4_issue_zeroout(inode, map->m_lblk, in ext4_map_blocks()
696 ext4_es_lookup_extent(inode, map->m_lblk, &es)) { in ext4_map_blocks()
704 ext4_find_delalloc_range(inode, map->m_lblk, in ext4_map_blocks()
707 ret = ext4_es_insert_extent(inode, map->m_lblk, map->m_len, in ext4_map_blocks()
716 up_write((&EXT4_I(inode)->i_data_sem)); in ext4_map_blocks()
718 ret = check_block_validity(inode, map); in ext4_map_blocks()
730 !ext4_is_quota_file(inode) && in ext4_map_blocks()
731 ext4_should_order_data(inode)) { in ext4_map_blocks()
733 ret = ext4_jbd2_inode_add_wait(handle, inode); in ext4_map_blocks()
735 ret = ext4_jbd2_inode_add_write(handle, inode); in ext4_map_blocks()
771 static int _ext4_get_block(struct inode *inode, sector_t iblock, in _ext4_get_block() argument
777 if (ext4_has_inline_data(inode)) in _ext4_get_block()
781 map.m_len = bh->b_size >> inode->i_blkbits; in _ext4_get_block()
783 ret = ext4_map_blocks(ext4_journal_current_handle(), inode, &map, in _ext4_get_block()
786 map_bh(bh, inode->i_sb, map.m_pblk); in _ext4_get_block()
788 bh->b_size = inode->i_sb->s_blocksize * map.m_len; in _ext4_get_block()
792 bh->b_size = inode->i_sb->s_blocksize * map.m_len; in _ext4_get_block()
797 int ext4_get_block(struct inode *inode, sector_t iblock, in ext4_get_block() argument
800 return _ext4_get_block(inode, iblock, bh, in ext4_get_block()
809 int ext4_get_block_unwritten(struct inode *inode, sector_t iblock, in ext4_get_block_unwritten() argument
813 inode->i_ino, create); in ext4_get_block_unwritten()
814 return _ext4_get_block(inode, iblock, bh_result, in ext4_get_block_unwritten()
826 static int ext4_get_block_trans(struct inode *inode, sector_t iblock, in ext4_get_block_trans() argument
835 if (bh_result->b_size >> inode->i_blkbits > DIO_MAX_BLOCKS) in ext4_get_block_trans()
836 bh_result->b_size = DIO_MAX_BLOCKS << inode->i_blkbits; in ext4_get_block_trans()
837 dio_credits = ext4_chunk_trans_blocks(inode, in ext4_get_block_trans()
838 bh_result->b_size >> inode->i_blkbits); in ext4_get_block_trans()
840 handle = ext4_journal_start(inode, EXT4_HT_MAP_BLOCKS, dio_credits); in ext4_get_block_trans()
844 ret = _ext4_get_block(inode, iblock, bh_result, flags); in ext4_get_block_trans()
847 if (ret == -ENOSPC && ext4_should_retry_alloc(inode->i_sb, &retries)) in ext4_get_block_trans()
853 int ext4_dio_get_block(struct inode *inode, sector_t iblock, in ext4_dio_get_block() argument
860 return _ext4_get_block(inode, iblock, bh, 0); in ext4_dio_get_block()
861 return ext4_get_block_trans(inode, iblock, bh, EXT4_GET_BLOCKS_CREATE); in ext4_dio_get_block()
869 static int ext4_dio_get_block_unwritten_async(struct inode *inode, in ext4_dio_get_block_unwritten_async() argument
877 ret = ext4_get_block_trans(inode, iblock, bh_result, in ext4_dio_get_block_unwritten_async()
891 io_end = ext4_init_io_end(inode, GFP_KERNEL); in ext4_dio_get_block_unwritten_async()
895 ext4_set_io_unwritten_flag(inode, io_end); in ext4_dio_get_block_unwritten_async()
908 static int ext4_dio_get_block_unwritten_sync(struct inode *inode, in ext4_dio_get_block_unwritten_sync() argument
916 ret = ext4_get_block_trans(inode, iblock, bh_result, in ext4_dio_get_block_unwritten_sync()
925 ext4_set_inode_state(inode, EXT4_STATE_DIO_UNWRITTEN); in ext4_dio_get_block_unwritten_sync()
930 static int ext4_dio_get_block_overwrite(struct inode *inode, sector_t iblock, in ext4_dio_get_block_overwrite() argument
936 inode->i_ino, create); in ext4_dio_get_block_overwrite()
940 ret = _ext4_get_block(inode, iblock, bh_result, 0); in ext4_dio_get_block_overwrite()
954 struct buffer_head *ext4_getblk(handle_t *handle, struct inode *inode, in ext4_getblk() argument
966 err = ext4_map_blocks(handle, inode, &map, map_flags); in ext4_getblk()
973 bh = sb_getblk(inode->i_sb, map.m_pblk); in ext4_getblk()
995 memset(bh->b_data, 0, inode->i_sb->s_blocksize); in ext4_getblk()
1000 err = ext4_handle_dirty_metadata(handle, inode, bh); in ext4_getblk()
1011 struct buffer_head *ext4_bread(handle_t *handle, struct inode *inode, in ext4_bread() argument
1016 bh = ext4_getblk(handle, inode, block, map_flags); in ext4_bread()
1030 int ext4_bread_batch(struct inode *inode, ext4_lblk_t block, int bh_count, in ext4_bread_batch() argument
1036 bhs[i] = ext4_getblk(NULL, inode, block + i, 0 /* map_flags */); in ext4_bread_batch()
1159 struct inode *inode = page->mapping->host; in ext4_block_write_begin() local
1163 unsigned blocksize = inode->i_sb->s_blocksize; in ext4_block_write_begin()
1193 err = get_block(inode, block, bh, 1); in ext4_block_write_begin()
1220 decrypt = ext4_encrypted_inode(inode) && in ext4_block_write_begin()
1221 S_ISREG(inode->i_mode); in ext4_block_write_begin()
1245 struct inode *inode = mapping->host; in ext4_write_begin() local
1253 if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb)))) in ext4_write_begin()
1256 trace_ext4_write_begin(inode, pos, len, flags); in ext4_write_begin()
1261 needed_blocks = ext4_writepage_trans_blocks(inode) + 1; in ext4_write_begin()
1266 if (ext4_test_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA)) { in ext4_write_begin()
1267 ret = ext4_try_to_write_inline_data(mapping, inode, pos, len, in ext4_write_begin()
1289 handle = ext4_journal_start(inode, EXT4_HT_WRITE_PAGE, needed_blocks); in ext4_write_begin()
1307 if (ext4_should_dioread_nolock(inode)) in ext4_write_begin()
1314 if (ext4_should_dioread_nolock(inode)) in ext4_write_begin()
1320 if (!ret && ext4_should_journal_data(inode)) { in ext4_write_begin()
1336 if (pos + len > inode->i_size && ext4_can_truncate(inode)) in ext4_write_begin()
1337 ext4_orphan_add(handle, inode); in ext4_write_begin()
1340 if (pos + len > inode->i_size) { in ext4_write_begin()
1341 ext4_truncate_failed_write(inode); in ext4_write_begin()
1348 if (inode->i_nlink) in ext4_write_begin()
1349 ext4_orphan_del(NULL, inode); in ext4_write_begin()
1353 ext4_should_retry_alloc(inode->i_sb, &retries)) in ext4_write_begin()
1388 struct inode *inode = mapping->host; in ext4_write_end() local
1389 loff_t old_size = inode->i_size; in ext4_write_end()
1392 int inline_data = ext4_has_inline_data(inode); in ext4_write_end()
1394 trace_ext4_write_end(inode, pos, len, copied); in ext4_write_end()
1396 ret = ext4_write_inline_data_end(inode, pos, len, in ext4_write_end()
1411 i_size_changed = ext4_update_inode_size(inode, pos + copied); in ext4_write_end()
1416 pagecache_isize_extended(inode, old_size, pos); in ext4_write_end()
1424 ext4_mark_inode_dirty(handle, inode); in ext4_write_end()
1426 if (pos + len > inode->i_size && ext4_can_truncate(inode)) in ext4_write_end()
1431 ext4_orphan_add(handle, inode); in ext4_write_end()
1437 if (pos + len > inode->i_size) { in ext4_write_end()
1438 ext4_truncate_failed_write(inode); in ext4_write_end()
1444 if (inode->i_nlink) in ext4_write_end()
1445 ext4_orphan_del(NULL, inode); in ext4_write_end()
1491 struct inode *inode = mapping->host; in ext4_journalled_write_end() local
1492 loff_t old_size = inode->i_size; in ext4_journalled_write_end()
1497 int inline_data = ext4_has_inline_data(inode); in ext4_journalled_write_end()
1499 trace_ext4_journalled_write_end(inode, pos, len, copied); in ext4_journalled_write_end()
1506 ret = ext4_write_inline_data_end(inode, pos, len, in ext4_journalled_write_end()
1527 size_changed = ext4_update_inode_size(inode, pos + copied); in ext4_journalled_write_end()
1528 ext4_set_inode_state(inode, EXT4_STATE_JDATA); in ext4_journalled_write_end()
1529 EXT4_I(inode)->i_datasync_tid = handle->h_transaction->t_tid; in ext4_journalled_write_end()
1534 pagecache_isize_extended(inode, old_size, pos); in ext4_journalled_write_end()
1537 ret2 = ext4_mark_inode_dirty(handle, inode); in ext4_journalled_write_end()
1542 if (pos + len > inode->i_size && ext4_can_truncate(inode)) in ext4_journalled_write_end()
1547 ext4_orphan_add(handle, inode); in ext4_journalled_write_end()
1553 if (pos + len > inode->i_size) { in ext4_journalled_write_end()
1554 ext4_truncate_failed_write(inode); in ext4_journalled_write_end()
1560 if (inode->i_nlink) in ext4_journalled_write_end()
1561 ext4_orphan_del(NULL, inode); in ext4_journalled_write_end()
1570 static int ext4_da_reserve_space(struct inode *inode) in ext4_da_reserve_space() argument
1572 struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); in ext4_da_reserve_space()
1573 struct ext4_inode_info *ei = EXT4_I(inode); in ext4_da_reserve_space()
1581 ret = dquot_reserve_block(inode, EXT4_C2B(sbi, 1)); in ext4_da_reserve_space()
1588 dquot_release_reservation_block(inode, EXT4_C2B(sbi, 1)); in ext4_da_reserve_space()
1592 trace_ext4_da_reserve_space(inode); in ext4_da_reserve_space()
1598 static void ext4_da_release_space(struct inode *inode, int to_free) in ext4_da_release_space() argument
1600 struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); in ext4_da_release_space()
1601 struct ext4_inode_info *ei = EXT4_I(inode); in ext4_da_release_space()
1606 spin_lock(&EXT4_I(inode)->i_block_reservation_lock); in ext4_da_release_space()
1608 trace_ext4_da_release_space(inode, to_free); in ext4_da_release_space()
1616 ext4_warning(inode->i_sb, "ext4_da_release_space: " in ext4_da_release_space()
1618 "data blocks", inode->i_ino, to_free, in ext4_da_release_space()
1628 spin_unlock(&EXT4_I(inode)->i_block_reservation_lock); in ext4_da_release_space()
1630 dquot_release_reservation_block(inode, EXT4_C2B(sbi, to_free)); in ext4_da_release_space()
1640 struct inode *inode = page->mapping->host; in ext4_da_page_release_reservation() local
1641 struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); in ext4_da_page_release_reservation()
1662 (PAGE_SHIFT - inode->i_blkbits); in ext4_da_page_release_reservation()
1663 lblk += (curr_off >> inode->i_blkbits) - in ext4_da_page_release_reservation()
1665 ext4_es_remove_extent(inode, lblk, contiguous_blks); in ext4_da_page_release_reservation()
1672 lblk = page->index << (PAGE_SHIFT - inode->i_blkbits); in ext4_da_page_release_reservation()
1673 lblk += (curr_off >> inode->i_blkbits) - contiguous_blks; in ext4_da_page_release_reservation()
1674 ext4_es_remove_extent(inode, lblk, contiguous_blks); in ext4_da_page_release_reservation()
1681 lblk = (page->index << (PAGE_SHIFT - inode->i_blkbits)) + in ext4_da_page_release_reservation()
1684 !ext4_find_delalloc_cluster(inode, lblk)) in ext4_da_page_release_reservation()
1685 ext4_da_release_space(inode, 1); in ext4_da_page_release_reservation()
1696 struct inode *inode; member
1718 struct inode *inode = mpd->inode; in mpage_release_unused_pages() local
1719 struct address_space *mapping = inode->i_mapping; in mpage_release_unused_pages()
1729 start = index << (PAGE_SHIFT - inode->i_blkbits); in mpage_release_unused_pages()
1730 last = end << (PAGE_SHIFT - inode->i_blkbits); in mpage_release_unused_pages()
1731 ext4_es_remove_extent(inode, start, last - start + 1); in mpage_release_unused_pages()
1756 static void ext4_print_free_blocks(struct inode *inode) in ext4_print_free_blocks() argument
1758 struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); in ext4_print_free_blocks()
1759 struct super_block *sb = inode->i_sb; in ext4_print_free_blocks()
1760 struct ext4_inode_info *ei = EXT4_I(inode); in ext4_print_free_blocks()
1763 EXT4_C2B(EXT4_SB(inode->i_sb), in ext4_print_free_blocks()
1789 static int ext4_da_map_blocks(struct inode *inode, sector_t iblock, in ext4_da_map_blocks() argument
1802 if (invalid_block < ext4_blocks_count(EXT4_SB(inode->i_sb)->s_es)) in ext4_da_map_blocks()
1807 "logical block %lu\n", inode->i_ino, map->m_len, in ext4_da_map_blocks()
1811 if (ext4_es_lookup_extent(inode, iblock, &es)) { in ext4_da_map_blocks()
1814 down_read(&EXT4_I(inode)->i_data_sem); in ext4_da_map_blocks()
1823 map_bh(bh, inode->i_sb, invalid_block); in ext4_da_map_blocks()
1842 ext4_map_blocks_es_recheck(NULL, inode, map, &orig_map, 0); in ext4_da_map_blocks()
1851 down_read(&EXT4_I(inode)->i_data_sem); in ext4_da_map_blocks()
1852 if (ext4_has_inline_data(inode)) in ext4_da_map_blocks()
1854 else if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) in ext4_da_map_blocks()
1855 retval = ext4_ext_map_blocks(NULL, inode, map, 0); in ext4_da_map_blocks()
1857 retval = ext4_ind_map_blocks(NULL, inode, map, 0); in ext4_da_map_blocks()
1871 if (EXT4_SB(inode->i_sb)->s_cluster_ratio == 1 || in ext4_da_map_blocks()
1872 !ext4_find_delalloc_cluster(inode, map->m_lblk)) { in ext4_da_map_blocks()
1873 ret = ext4_da_reserve_space(inode); in ext4_da_map_blocks()
1881 ret = ext4_es_insert_extent(inode, map->m_lblk, map->m_len, in ext4_da_map_blocks()
1888 map_bh(bh, inode->i_sb, invalid_block); in ext4_da_map_blocks()
1896 ext4_warning(inode->i_sb, in ext4_da_map_blocks()
1899 inode->i_ino, retval, map->m_len); in ext4_da_map_blocks()
1905 ret = ext4_es_insert_extent(inode, map->m_lblk, map->m_len, in ext4_da_map_blocks()
1912 up_read((&EXT4_I(inode)->i_data_sem)); in ext4_da_map_blocks()
1929 int ext4_da_get_block_prep(struct inode *inode, sector_t iblock, in ext4_da_get_block_prep() argument
1936 BUG_ON(bh->b_size != inode->i_sb->s_blocksize); in ext4_da_get_block_prep()
1946 ret = ext4_da_map_blocks(inode, iblock, &map, bh); in ext4_da_get_block_prep()
1950 map_bh(bh, inode->i_sb, map.m_pblk); in ext4_da_get_block_prep()
1982 struct inode *inode = mapping->host; in __ext4_journalled_writepage() local
1986 int inline_data = ext4_has_inline_data(inode); in __ext4_journalled_writepage()
1993 BUG_ON(len > ext4_get_max_inline_size(inode)); in __ext4_journalled_writepage()
1994 inode_bh = ext4_journalled_write_inline_data(inode, len, page); in __ext4_journalled_writepage()
2014 handle = ext4_journal_start(inode, EXT4_HT_WRITE_PAGE, in __ext4_journalled_writepage()
2015 ext4_writepage_trans_blocks(inode)); in __ext4_journalled_writepage()
2033 ret = ext4_mark_inode_dirty(handle, inode); in __ext4_journalled_writepage()
2043 EXT4_I(inode)->i_datasync_tid = handle->h_transaction->t_tid; in __ext4_journalled_writepage()
2048 if (!ext4_has_inline_data(inode)) in __ext4_journalled_writepage()
2051 ext4_set_inode_state(inode, EXT4_STATE_JDATA); in __ext4_journalled_writepage()
2107 struct inode *inode = page->mapping->host; in ext4_writepage() local
2111 if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb)))) { in ext4_writepage()
2118 size = i_size_read(inode); in ext4_writepage()
2146 (inode->i_sb->s_blocksize == PAGE_SIZE)) { in ext4_writepage()
2160 if (PageChecked(page) && ext4_should_journal_data(inode)) in ext4_writepage()
2168 io_submit.io_end = ext4_init_io_end(inode, GFP_NOFS); in ext4_writepage()
2202 size = i_size_read(mpd->inode); in mpage_submit_page()
2297 struct inode *inode = mpd->inode; in mpage_process_page_bufs() local
2299 ext4_lblk_t blocks = (i_size_read(inode) + i_blocksize(inode) - 1) in mpage_process_page_bufs()
2300 >> inode->i_blkbits; in mpage_process_page_bufs()
2343 struct inode *inode = mpd->inode; in mpage_map_and_submit_buffers() local
2345 int bpp_bits = PAGE_SHIFT - inode->i_blkbits; in mpage_map_and_submit_buffers()
2358 nr_pages = pagevec_lookup_range(&pvec, inode->i_mapping, in mpage_map_and_submit_buffers()
2420 struct inode *inode = mpd->inode; in mpage_map_one_extent() local
2425 trace_ext4_da_write_pages_extent(inode, map); in mpage_map_one_extent()
2444 dioread_nolock = ext4_should_dioread_nolock(inode); in mpage_map_one_extent()
2450 err = ext4_map_blocks(handle, inode, map, get_blocks_flags); in mpage_map_one_extent()
2459 ext4_set_io_unwritten_flag(inode, mpd->io_submit.io_end); in mpage_map_one_extent()
2464 clean_bdev_aliases(inode->i_sb->s_bdev, map->m_pblk, in mpage_map_one_extent()
2494 struct inode *inode = mpd->inode; in mpage_map_and_submit_extent() local
2501 ((loff_t)map->m_lblk) << inode->i_blkbits; in mpage_map_and_submit_extent()
2505 struct super_block *sb = inode->i_sb; in mpage_map_and_submit_extent()
2525 inode->i_ino, in mpage_map_and_submit_extent()
2532 ext4_print_free_blocks(inode); in mpage_map_and_submit_extent()
2553 if (disksize > EXT4_I(inode)->i_disksize) { in mpage_map_and_submit_extent()
2557 down_write(&EXT4_I(inode)->i_data_sem); in mpage_map_and_submit_extent()
2558 i_size = i_size_read(inode); in mpage_map_and_submit_extent()
2561 if (disksize > EXT4_I(inode)->i_disksize) in mpage_map_and_submit_extent()
2562 EXT4_I(inode)->i_disksize = disksize; in mpage_map_and_submit_extent()
2563 up_write(&EXT4_I(inode)->i_data_sem); in mpage_map_and_submit_extent()
2564 err2 = ext4_mark_inode_dirty(handle, inode); in mpage_map_and_submit_extent()
2566 ext4_error(inode->i_sb, in mpage_map_and_submit_extent()
2568 inode->i_ino); in mpage_map_and_submit_extent()
2582 static int ext4_da_writepages_trans_blocks(struct inode *inode) in ext4_da_writepages_trans_blocks() argument
2584 int bpp = ext4_journal_blocks_per_page(inode); in ext4_da_writepages_trans_blocks()
2586 return ext4_meta_trans_blocks(inode, in ext4_da_writepages_trans_blocks()
2610 struct address_space *mapping = mpd->inode->i_mapping; in mpage_prepare_extent_to_map()
2618 int blkbits = mpd->inode->i_blkbits; in mpage_prepare_extent_to_map()
2704 struct inode *inode = mapping->host; in ext4_writepages() local
2711 if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb)))) in ext4_writepages()
2715 trace_ext4_writepages(inode, wbc); in ext4_writepages()
2725 if (ext4_should_journal_data(inode)) { in ext4_writepages()
2746 if (ext4_should_dioread_nolock(inode)) { in ext4_writepages()
2751 rsv_blocks = 1 + (PAGE_SIZE >> inode->i_blkbits); in ext4_writepages()
2759 if (ext4_has_inline_data(inode)) { in ext4_writepages()
2761 handle = ext4_journal_start(inode, EXT4_HT_INODE, 1); in ext4_writepages()
2766 BUG_ON(ext4_test_inode_state(inode, in ext4_writepages()
2768 ext4_destroy_inline_data(handle, inode); in ext4_writepages()
2786 mpd.inode = inode; in ext4_writepages()
2802 mpd.io_submit.io_end = ext4_init_io_end(inode, GFP_KERNEL); in ext4_writepages()
2819 mpd.io_submit.io_end = ext4_init_io_end(inode, GFP_KERNEL); in ext4_writepages()
2832 BUG_ON(ext4_should_journal_data(inode)); in ext4_writepages()
2833 needed_blocks = ext4_da_writepages_trans_blocks(inode); in ext4_writepages()
2836 handle = ext4_journal_start_with_reserve(inode, in ext4_writepages()
2840 ext4_msg(inode->i_sb, KERN_CRIT, "%s: jbd2_start: " in ext4_writepages()
2842 wbc->nr_to_write, inode->i_ino, ret); in ext4_writepages()
2850 trace_ext4_da_write_pages(inode, mpd.first_page, mpd.wbc); in ext4_writepages()
2931 trace_ext4_writepages_result(inode, wbc, ret, in ext4_writepages()
2942 struct inode *inode = mapping->host; in ext4_dax_writepages() local
2945 if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb)))) in ext4_dax_writepages()
2949 trace_ext4_writepages(inode, wbc); in ext4_dax_writepages()
2951 ret = dax_writeback_mapping_range(mapping, inode->i_sb->s_bdev, wbc); in ext4_dax_writepages()
2952 trace_ext4_writepages_result(inode, wbc, ret, in ext4_dax_writepages()
2993 static int ext4_da_write_credits(struct inode *inode, loff_t pos, unsigned len) in ext4_da_write_credits() argument
2995 if (likely(ext4_has_feature_large_file(inode->i_sb))) in ext4_da_write_credits()
3012 struct inode *inode = mapping->host; in ext4_da_write_begin() local
3015 if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb)))) in ext4_da_write_begin()
3020 if (ext4_nonda_switch(inode->i_sb) || in ext4_da_write_begin()
3021 S_ISLNK(inode->i_mode)) { in ext4_da_write_begin()
3027 trace_ext4_da_write_begin(inode, pos, len, flags); in ext4_da_write_begin()
3029 if (ext4_test_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA)) { in ext4_da_write_begin()
3030 ret = ext4_da_write_inline_data_begin(mapping, inode, in ext4_da_write_begin()
3059 handle = ext4_journal_start(inode, EXT4_HT_WRITE_PAGE, in ext4_da_write_begin()
3060 ext4_da_write_credits(inode, pos, len)); in ext4_da_write_begin()
3091 if (pos + len > inode->i_size) in ext4_da_write_begin()
3092 ext4_truncate_failed_write(inode); in ext4_da_write_begin()
3095 ext4_should_retry_alloc(inode->i_sb, &retries)) in ext4_da_write_begin()
3114 struct inode *inode = page->mapping->host; in ext4_da_should_update_i_disksize() local
3119 idx = offset >> inode->i_blkbits; in ext4_da_should_update_i_disksize()
3134 struct inode *inode = mapping->host; in ext4_da_write_end() local
3145 trace_ext4_da_write_end(inode, pos, len, copied); in ext4_da_write_end()
3155 if (copied && new_i_size > EXT4_I(inode)->i_disksize) { in ext4_da_write_end()
3156 if (ext4_has_inline_data(inode) || in ext4_da_write_end()
3158 ext4_update_i_disksize(inode, new_i_size); in ext4_da_write_end()
3163 ext4_mark_inode_dirty(handle, inode); in ext4_da_write_end()
3168 ext4_test_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA) && in ext4_da_write_end()
3169 ext4_has_inline_data(inode)) in ext4_da_write_end()
3170 ret2 = ext4_da_write_inline_data_end(inode, pos, len, copied, in ext4_da_write_end()
3207 int ext4_alloc_da_blocks(struct inode *inode) in ext4_alloc_da_blocks() argument
3209 trace_ext4_alloc_da_blocks(inode); in ext4_alloc_da_blocks()
3211 if (!EXT4_I(inode)->i_reserved_data_blocks) in ext4_alloc_da_blocks()
3245 return filemap_flush(inode->i_mapping); in ext4_alloc_da_blocks()
3264 struct inode *inode = mapping->host; in ext4_bmap() local
3271 if (ext4_has_inline_data(inode)) in ext4_bmap()
3275 test_opt(inode->i_sb, DELALLOC)) { in ext4_bmap()
3284 if (EXT4_JOURNAL(inode) && in ext4_bmap()
3285 ext4_test_inode_state(inode, EXT4_STATE_JDATA)) { in ext4_bmap()
3304 ext4_clear_inode_state(inode, EXT4_STATE_JDATA); in ext4_bmap()
3305 journal = EXT4_JOURNAL(inode); in ext4_bmap()
3320 struct inode *inode = page->mapping->host; in ext4_readpage() local
3324 if (ext4_has_inline_data(inode)) in ext4_readpage()
3325 ret = ext4_readpage_inline(inode, page); in ext4_readpage()
3338 struct inode *inode = mapping->host; in ext4_readpages() local
3341 if (ext4_has_inline_data(inode)) in ext4_readpages()
3398 static bool ext4_inode_datasync_dirty(struct inode *inode) in ext4_inode_datasync_dirty() argument
3400 journal_t *journal = EXT4_SB(inode->i_sb)->s_journal; in ext4_inode_datasync_dirty()
3404 EXT4_I(inode)->i_datasync_tid); in ext4_inode_datasync_dirty()
3406 if (!list_empty(&inode->i_mapping->private_list)) in ext4_inode_datasync_dirty()
3408 return inode->i_state & I_DIRTY_DATASYNC; in ext4_inode_datasync_dirty()
3411 static int ext4_iomap_begin(struct inode *inode, loff_t offset, loff_t length, in ext4_iomap_begin() argument
3414 struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); in ext4_iomap_begin()
3415 unsigned int blkbits = inode->i_blkbits; in ext4_iomap_begin()
3428 if (ext4_has_inline_data(inode)) { in ext4_iomap_begin()
3429 ret = ext4_inline_data_iomap(inode, iomap); in ext4_iomap_begin()
3437 if (WARN_ON_ONCE(ext4_has_inline_data(inode))) in ext4_iomap_begin()
3445 ret = ext4_map_blocks(NULL, inode, &map, 0); in ext4_iomap_begin()
3453 ext4_es_find_delayed_extent_range(inode, map.m_lblk, end, &es); in ext4_iomap_begin()
3478 dio_credits = ext4_chunk_trans_blocks(inode, map.m_len); in ext4_iomap_begin()
3486 handle = ext4_journal_start(inode, EXT4_HT_MAP_BLOCKS, in ext4_iomap_begin()
3491 ret = ext4_map_blocks(handle, inode, &map, in ext4_iomap_begin()
3496 ext4_should_retry_alloc(inode->i_sb, &retries)) in ext4_iomap_begin()
3511 (i_size_read(inode) + (1 << blkbits) - 1) >> blkbits) { in ext4_iomap_begin()
3514 err = ext4_orphan_add(handle, inode); in ext4_iomap_begin()
3522 ret = ext4_map_blocks(NULL, inode, &map, 0); in ext4_iomap_begin()
3528 if (ext4_inode_datasync_dirty(inode)) in ext4_iomap_begin()
3530 iomap->bdev = inode->i_sb->s_bdev; in ext4_iomap_begin()
3556 static int ext4_iomap_end(struct inode *inode, loff_t offset, loff_t length, in ext4_iomap_end() argument
3561 int blkbits = inode->i_blkbits; in ext4_iomap_end()
3567 handle = ext4_journal_start(inode, EXT4_HT_INODE, 2); in ext4_iomap_end()
3572 if (ext4_update_inode_size(inode, offset + written)) in ext4_iomap_end()
3573 ext4_mark_inode_dirty(handle, inode); in ext4_iomap_end()
3578 ALIGN(inode->i_size, 1 << blkbits)) { in ext4_iomap_end()
3583 if (written_blk < end_blk && ext4_can_truncate(inode)) in ext4_iomap_end()
3590 if (!truncate && inode->i_nlink && in ext4_iomap_end()
3591 !list_empty(&EXT4_I(inode)->i_orphan)) in ext4_iomap_end()
3592 ext4_orphan_del(handle, inode); in ext4_iomap_end()
3595 ext4_truncate_failed_write(inode); in ext4_iomap_end()
3602 if (inode->i_nlink) in ext4_iomap_end()
3603 ext4_orphan_del(NULL, inode); in ext4_iomap_end()
3624 io_end, io_end->inode->i_ino, iocb, offset, size); in ext4_end_io_dio()
3665 struct inode *inode = file->f_mapping->host; in ext4_direct_IO_write() local
3666 struct ext4_inode_info *ei = EXT4_I(inode); in ext4_direct_IO_write()
3677 if (final_size > inode->i_size || final_size > ei->i_disksize) { in ext4_direct_IO_write()
3679 handle = ext4_journal_start(inode, EXT4_HT_INODE, 2); in ext4_direct_IO_write()
3684 ret = ext4_orphan_add(handle, inode); in ext4_direct_IO_write()
3690 ext4_update_i_disksize(inode, inode->i_size); in ext4_direct_IO_write()
3701 inode_dio_begin(inode); in ext4_direct_IO_write()
3707 inode_unlock(inode); in ext4_direct_IO_write()
3732 else if (!ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS) || in ext4_direct_IO_write()
3733 round_down(offset, i_blocksize(inode)) >= inode->i_size) { in ext4_direct_IO_write()
3743 ret = __blockdev_direct_IO(iocb, inode, inode->i_sb->s_bdev, iter, in ext4_direct_IO_write()
3747 if (ret > 0 && !overwrite && ext4_test_inode_state(inode, in ext4_direct_IO_write()
3754 err = ext4_convert_unwritten_extents(NULL, inode, in ext4_direct_IO_write()
3758 ext4_clear_inode_state(inode, EXT4_STATE_DIO_UNWRITTEN); in ext4_direct_IO_write()
3761 inode_dio_end(inode); in ext4_direct_IO_write()
3764 inode_lock(inode); in ext4_direct_IO_write()
3766 if (ret < 0 && final_size > inode->i_size) in ext4_direct_IO_write()
3767 ext4_truncate_failed_write(inode); in ext4_direct_IO_write()
3774 handle = ext4_journal_start(inode, EXT4_HT_INODE, 2); in ext4_direct_IO_write()
3788 if (inode->i_nlink) in ext4_direct_IO_write()
3789 ext4_orphan_del(NULL, inode); in ext4_direct_IO_write()
3793 if (inode->i_nlink) in ext4_direct_IO_write()
3794 ext4_orphan_del(handle, inode); in ext4_direct_IO_write()
3797 if (end > inode->i_size || end > ei->i_disksize) { in ext4_direct_IO_write()
3798 ext4_update_i_disksize(inode, end); in ext4_direct_IO_write()
3799 if (end > inode->i_size) in ext4_direct_IO_write()
3800 i_size_write(inode, end); in ext4_direct_IO_write()
3808 ext4_mark_inode_dirty(handle, inode); in ext4_direct_IO_write()
3822 struct inode *inode = mapping->host; in ext4_direct_IO_read() local
3831 inode_lock_shared(inode); in ext4_direct_IO_read()
3836 ret = __blockdev_direct_IO(iocb, inode, inode->i_sb->s_bdev, in ext4_direct_IO_read()
3839 inode_unlock_shared(inode); in ext4_direct_IO_read()
3846 struct inode *inode = file->f_mapping->host; in ext4_direct_IO() local
3852 if (ext4_encrypted_inode(inode) && S_ISREG(inode->i_mode)) in ext4_direct_IO()
3859 if (ext4_should_journal_data(inode)) in ext4_direct_IO()
3863 if (ext4_has_inline_data(inode)) in ext4_direct_IO()
3866 trace_ext4_direct_IO_enter(inode, offset, count, iov_iter_rw(iter)); in ext4_direct_IO()
3871 trace_ext4_direct_IO_exit(inode, offset, count, iov_iter_rw(iter), ret); in ext4_direct_IO()
3959 void ext4_set_aops(struct inode *inode) in ext4_set_aops() argument
3961 switch (ext4_inode_journal_mode(inode)) { in ext4_set_aops()
3966 inode->i_mapping->a_ops = &ext4_journalled_aops; in ext4_set_aops()
3971 if (IS_DAX(inode)) in ext4_set_aops()
3972 inode->i_mapping->a_ops = &ext4_dax_aops; in ext4_set_aops()
3973 else if (test_opt(inode->i_sb, DELALLOC)) in ext4_set_aops()
3974 inode->i_mapping->a_ops = &ext4_da_aops; in ext4_set_aops()
3976 inode->i_mapping->a_ops = &ext4_aops; in ext4_set_aops()
3986 struct inode *inode = mapping->host; in __ext4_block_zero_page_range() local
3996 blocksize = inode->i_sb->s_blocksize; in __ext4_block_zero_page_range()
3998 iblock = index << (PAGE_SHIFT - inode->i_sb->s_blocksize_bits); in __ext4_block_zero_page_range()
4017 ext4_get_block(inode, iblock, bh, 0); in __ext4_block_zero_page_range()
4036 if (S_ISREG(inode->i_mode) && in __ext4_block_zero_page_range()
4037 ext4_encrypted_inode(inode)) { in __ext4_block_zero_page_range()
4039 BUG_ON(!fscrypt_has_encryption_key(inode)); in __ext4_block_zero_page_range()
4045 if (ext4_should_journal_data(inode)) { in __ext4_block_zero_page_range()
4054 if (ext4_should_journal_data(inode)) { in __ext4_block_zero_page_range()
4055 err = ext4_handle_dirty_metadata(handle, inode, bh); in __ext4_block_zero_page_range()
4059 if (ext4_should_order_data(inode)) in __ext4_block_zero_page_range()
4060 err = ext4_jbd2_inode_add_write(handle, inode); in __ext4_block_zero_page_range()
4079 struct inode *inode = mapping->host; in ext4_block_zero_page_range() local
4081 unsigned blocksize = inode->i_sb->s_blocksize; in ext4_block_zero_page_range()
4091 if (IS_DAX(inode)) { in ext4_block_zero_page_range()
4092 return iomap_zero_range(inode, from, length, NULL, in ext4_block_zero_page_range()
4110 struct inode *inode = mapping->host; in ext4_block_truncate_page() local
4113 if (ext4_encrypted_inode(inode) && !fscrypt_has_encryption_key(inode)) in ext4_block_truncate_page()
4116 blocksize = inode->i_sb->s_blocksize; in ext4_block_truncate_page()
4122 int ext4_zero_partial_blocks(handle_t *handle, struct inode *inode, in ext4_zero_partial_blocks() argument
4125 struct super_block *sb = inode->i_sb; in ext4_zero_partial_blocks()
4126 struct address_space *mapping = inode->i_mapping; in ext4_zero_partial_blocks()
4160 int ext4_can_truncate(struct inode *inode) in ext4_can_truncate() argument
4162 if (S_ISREG(inode->i_mode)) in ext4_can_truncate()
4164 if (S_ISDIR(inode->i_mode)) in ext4_can_truncate()
4166 if (S_ISLNK(inode->i_mode)) in ext4_can_truncate()
4167 return !ext4_inode_is_fast_symlink(inode); in ext4_can_truncate()
4177 int ext4_update_disksize_before_punch(struct inode *inode, loff_t offset, in ext4_update_disksize_before_punch() argument
4181 loff_t size = i_size_read(inode); in ext4_update_disksize_before_punch()
4183 WARN_ON(!inode_is_locked(inode)); in ext4_update_disksize_before_punch()
4187 if (EXT4_I(inode)->i_disksize >= size) in ext4_update_disksize_before_punch()
4190 handle = ext4_journal_start(inode, EXT4_HT_MISC, 1); in ext4_update_disksize_before_punch()
4193 ext4_update_i_disksize(inode, size); in ext4_update_disksize_before_punch()
4194 ext4_mark_inode_dirty(handle, inode); in ext4_update_disksize_before_punch()
4207 int ext4_break_layouts(struct inode *inode) in ext4_break_layouts() argument
4209 struct ext4_inode_info *ei = EXT4_I(inode); in ext4_break_layouts()
4217 page = dax_layout_busy_page(inode->i_mapping); in ext4_break_layouts()
4241 int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length) in ext4_punch_hole() argument
4243 struct super_block *sb = inode->i_sb; in ext4_punch_hole()
4245 struct address_space *mapping = inode->i_mapping; in ext4_punch_hole()
4251 if (!S_ISREG(inode->i_mode)) in ext4_punch_hole()
4254 trace_ext4_punch_hole(inode, offset, length, 0); in ext4_punch_hole()
4267 inode_lock(inode); in ext4_punch_hole()
4270 if (offset >= inode->i_size) in ext4_punch_hole()
4277 if (offset + length > inode->i_size) { in ext4_punch_hole()
4278 length = inode->i_size + in ext4_punch_hole()
4279 PAGE_SIZE - (inode->i_size & (PAGE_SIZE - 1)) - in ext4_punch_hole()
4289 ret = ext4_inode_attach_jinode(inode); in ext4_punch_hole()
4296 inode_dio_wait(inode); in ext4_punch_hole()
4302 down_write(&EXT4_I(inode)->i_mmap_sem); in ext4_punch_hole()
4304 ret = ext4_break_layouts(inode); in ext4_punch_hole()
4313 ret = ext4_update_disksize_before_punch(inode, offset, length); in ext4_punch_hole()
4316 truncate_pagecache_range(inode, first_block_offset, in ext4_punch_hole()
4320 if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) in ext4_punch_hole()
4321 credits = ext4_writepage_trans_blocks(inode); in ext4_punch_hole()
4323 credits = ext4_blocks_for_truncate(inode); in ext4_punch_hole()
4324 handle = ext4_journal_start(inode, EXT4_HT_TRUNCATE, credits); in ext4_punch_hole()
4331 ret = ext4_zero_partial_blocks(handle, inode, offset, in ext4_punch_hole()
4343 down_write(&EXT4_I(inode)->i_data_sem); in ext4_punch_hole()
4344 ext4_discard_preallocations(inode); in ext4_punch_hole()
4346 ret = ext4_es_remove_extent(inode, first_block, in ext4_punch_hole()
4349 up_write(&EXT4_I(inode)->i_data_sem); in ext4_punch_hole()
4353 if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) in ext4_punch_hole()
4354 ret = ext4_ext_remove_space(inode, first_block, in ext4_punch_hole()
4357 ret = ext4_ind_remove_space(handle, inode, first_block, in ext4_punch_hole()
4360 up_write(&EXT4_I(inode)->i_data_sem); in ext4_punch_hole()
4362 if (IS_SYNC(inode)) in ext4_punch_hole()
4365 inode->i_mtime = inode->i_ctime = current_time(inode); in ext4_punch_hole()
4366 ext4_mark_inode_dirty(handle, inode); in ext4_punch_hole()
4368 ext4_update_inode_fsync_trans(handle, inode, 1); in ext4_punch_hole()
4372 up_write(&EXT4_I(inode)->i_mmap_sem); in ext4_punch_hole()
4374 inode_unlock(inode); in ext4_punch_hole()
4378 int ext4_inode_attach_jinode(struct inode *inode) in ext4_inode_attach_jinode() argument
4380 struct ext4_inode_info *ei = EXT4_I(inode); in ext4_inode_attach_jinode()
4383 if (ei->jinode || !EXT4_SB(inode->i_sb)->s_journal) in ext4_inode_attach_jinode()
4387 spin_lock(&inode->i_lock); in ext4_inode_attach_jinode()
4390 spin_unlock(&inode->i_lock); in ext4_inode_attach_jinode()
4394 jbd2_journal_init_jbd_inode(ei->jinode, inode); in ext4_inode_attach_jinode()
4397 spin_unlock(&inode->i_lock); in ext4_inode_attach_jinode()
4431 int ext4_truncate(struct inode *inode) in ext4_truncate() argument
4433 struct ext4_inode_info *ei = EXT4_I(inode); in ext4_truncate()
4437 struct address_space *mapping = inode->i_mapping; in ext4_truncate()
4444 if (!(inode->i_state & (I_NEW|I_FREEING))) in ext4_truncate()
4445 WARN_ON(!inode_is_locked(inode)); in ext4_truncate()
4446 trace_ext4_truncate_enter(inode); in ext4_truncate()
4448 if (!ext4_can_truncate(inode)) in ext4_truncate()
4451 ext4_clear_inode_flag(inode, EXT4_INODE_EOFBLOCKS); in ext4_truncate()
4453 if (inode->i_size == 0 && !test_opt(inode->i_sb, NO_AUTO_DA_ALLOC)) in ext4_truncate()
4454 ext4_set_inode_state(inode, EXT4_STATE_DA_ALLOC_CLOSE); in ext4_truncate()
4456 if (ext4_has_inline_data(inode)) { in ext4_truncate()
4459 err = ext4_inline_data_truncate(inode, &has_inline); in ext4_truncate()
4467 if (inode->i_size & (inode->i_sb->s_blocksize - 1)) { in ext4_truncate()
4468 if (ext4_inode_attach_jinode(inode) < 0) in ext4_truncate()
4472 if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) in ext4_truncate()
4473 credits = ext4_writepage_trans_blocks(inode); in ext4_truncate()
4475 credits = ext4_blocks_for_truncate(inode); in ext4_truncate()
4477 handle = ext4_journal_start(inode, EXT4_HT_TRUNCATE, credits); in ext4_truncate()
4481 if (inode->i_size & (inode->i_sb->s_blocksize - 1)) in ext4_truncate()
4482 ext4_block_truncate_page(handle, mapping, inode->i_size); in ext4_truncate()
4493 err = ext4_orphan_add(handle, inode); in ext4_truncate()
4497 down_write(&EXT4_I(inode)->i_data_sem); in ext4_truncate()
4499 ext4_discard_preallocations(inode); in ext4_truncate()
4501 if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) in ext4_truncate()
4502 err = ext4_ext_truncate(handle, inode); in ext4_truncate()
4504 ext4_ind_truncate(handle, inode); in ext4_truncate()
4510 if (IS_SYNC(inode)) in ext4_truncate()
4521 if (inode->i_nlink) in ext4_truncate()
4522 ext4_orphan_del(handle, inode); in ext4_truncate()
4524 inode->i_mtime = inode->i_ctime = current_time(inode); in ext4_truncate()
4525 ext4_mark_inode_dirty(handle, inode); in ext4_truncate()
4528 trace_ext4_truncate_exit(inode); in ext4_truncate()
4538 static int __ext4_get_inode_loc(struct inode *inode, in __ext4_get_inode_loc() argument
4543 struct super_block *sb = inode->i_sb; in __ext4_get_inode_loc()
4548 if (inode->i_ino < EXT4_ROOT_INO || in __ext4_get_inode_loc()
4549 inode->i_ino > le32_to_cpu(EXT4_SB(sb)->s_es->s_inodes_count)) in __ext4_get_inode_loc()
4552 iloc->block_group = (inode->i_ino - 1) / EXT4_INODES_PER_GROUP(sb); in __ext4_get_inode_loc()
4561 inode_offset = ((inode->i_ino - 1) % in __ext4_get_inode_loc()
4659 trace_ext4_load_inode(inode); in __ext4_get_inode_loc()
4665 EXT4_ERROR_INODE_BLOCK(inode, block, in __ext4_get_inode_loc()
4676 int ext4_get_inode_loc(struct inode *inode, struct ext4_iloc *iloc) in ext4_get_inode_loc() argument
4679 return __ext4_get_inode_loc(inode, iloc, in ext4_get_inode_loc()
4680 !ext4_test_inode_state(inode, EXT4_STATE_XATTR)); in ext4_get_inode_loc()
4683 static bool ext4_should_use_dax(struct inode *inode) in ext4_should_use_dax() argument
4685 if (!test_opt(inode->i_sb, DAX)) in ext4_should_use_dax()
4687 if (!S_ISREG(inode->i_mode)) in ext4_should_use_dax()
4689 if (ext4_should_journal_data(inode)) in ext4_should_use_dax()
4691 if (ext4_has_inline_data(inode)) in ext4_should_use_dax()
4693 if (ext4_encrypted_inode(inode)) in ext4_should_use_dax()
4698 void ext4_set_inode_flags(struct inode *inode) in ext4_set_inode_flags() argument
4700 unsigned int flags = EXT4_I(inode)->i_flags; in ext4_set_inode_flags()
4713 if (ext4_should_use_dax(inode)) in ext4_set_inode_flags()
4717 inode_set_flags(inode, new_fl, in ext4_set_inode_flags()
4726 struct inode *inode = &(ei->vfs_inode); in ext4_inode_blocks() local
4727 struct super_block *sb = inode->i_sb; in ext4_inode_blocks()
4733 if (ext4_test_inode_flag(inode, EXT4_INODE_HUGE_FILE)) { in ext4_inode_blocks()
4735 return i_blocks << (inode->i_blkbits - 9); in ext4_inode_blocks()
4744 static inline int ext4_iget_extra_inode(struct inode *inode, in ext4_iget_extra_inode() argument
4752 EXT4_INODE_SIZE(inode->i_sb) && in ext4_iget_extra_inode()
4754 ext4_set_inode_state(inode, EXT4_STATE_XATTR); in ext4_iget_extra_inode()
4755 return ext4_find_inline_data_nolock(inode); in ext4_iget_extra_inode()
4757 EXT4_I(inode)->i_inline_off = 0; in ext4_iget_extra_inode()
4761 int ext4_get_projid(struct inode *inode, kprojid_t *projid) in ext4_get_projid() argument
4763 if (!ext4_has_feature_project(inode->i_sb)) in ext4_get_projid()
4765 *projid = EXT4_I(inode)->i_projid; in ext4_get_projid()
4774 static inline void ext4_inode_set_iversion_queried(struct inode *inode, u64 val) in ext4_inode_set_iversion_queried() argument
4776 if (unlikely(EXT4_I(inode)->i_flags & EXT4_EA_INODE_FL)) in ext4_inode_set_iversion_queried()
4777 inode_set_iversion_raw(inode, val); in ext4_inode_set_iversion_queried()
4779 inode_set_iversion_queried(inode, val); in ext4_inode_set_iversion_queried()
4781 static inline u64 ext4_inode_peek_iversion(const struct inode *inode) in ext4_inode_peek_iversion() argument
4783 if (unlikely(EXT4_I(inode)->i_flags & EXT4_EA_INODE_FL)) in ext4_inode_peek_iversion()
4784 return inode_peek_iversion_raw(inode); in ext4_inode_peek_iversion()
4786 return inode_peek_iversion(inode); in ext4_inode_peek_iversion()
4789 struct inode *ext4_iget(struct super_block *sb, unsigned long ino) in ext4_iget()
4794 struct inode *inode; in ext4_iget() local
4803 inode = iget_locked(sb, ino); in ext4_iget()
4804 if (!inode) in ext4_iget()
4806 if (!(inode->i_state & I_NEW)) in ext4_iget()
4807 return inode; in ext4_iget()
4809 ei = EXT4_I(inode); in ext4_iget()
4812 ret = __ext4_get_inode_loc(inode, &iloc, 0); in ext4_iget()
4818 EXT4_ERROR_INODE(inode, "root inode unallocated"); in ext4_iget()
4823 if (EXT4_INODE_SIZE(inode->i_sb) > EXT4_GOOD_OLD_INODE_SIZE) { in ext4_iget()
4826 EXT4_INODE_SIZE(inode->i_sb) || in ext4_iget()
4828 EXT4_ERROR_INODE(inode, in ext4_iget()
4831 EXT4_INODE_SIZE(inode->i_sb)); in ext4_iget()
4840 struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); in ext4_iget()
4842 __le32 inum = cpu_to_le32(inode->i_ino); in ext4_iget()
4850 if (!ext4_inode_csum_verify(inode, raw_inode, ei)) { in ext4_iget()
4851 EXT4_ERROR_INODE(inode, "checksum invalid"); in ext4_iget()
4856 inode->i_mode = le16_to_cpu(raw_inode->i_mode); in ext4_iget()
4866 if (!(test_opt(inode->i_sb, NO_UID32))) { in ext4_iget()
4870 i_uid_write(inode, i_uid); in ext4_iget()
4871 i_gid_write(inode, i_gid); in ext4_iget()
4873 set_nlink(inode, le16_to_cpu(raw_inode->i_links_count)); in ext4_iget()
4884 if (inode->i_nlink == 0) { in ext4_iget()
4885 if ((inode->i_mode == 0 || in ext4_iget()
4886 !(EXT4_SB(inode->i_sb)->s_mount_state & EXT4_ORPHAN_FS)) && in ext4_iget()
4900 ext4_set_inode_flags(inode); in ext4_iget()
4901 inode->i_blocks = ext4_inode_blocks(raw_inode, ei); in ext4_iget()
4906 inode->i_size = ext4_isize(sb, raw_inode); in ext4_iget()
4907 if ((size = i_size_read(inode)) < 0) { in ext4_iget()
4908 EXT4_ERROR_INODE(inode, "bad i_size value: %lld", size); in ext4_iget()
4912 ei->i_disksize = inode->i_size; in ext4_iget()
4916 inode->i_generation = le32_to_cpu(raw_inode->i_generation); in ext4_iget()
4952 if (EXT4_INODE_SIZE(inode->i_sb) > EXT4_GOOD_OLD_INODE_SIZE) { in ext4_iget()
4959 ret = ext4_iget_extra_inode(inode, raw_inode, ei); in ext4_iget()
4965 EXT4_INODE_GET_XTIME(i_ctime, inode, raw_inode); in ext4_iget()
4966 EXT4_INODE_GET_XTIME(i_mtime, inode, raw_inode); in ext4_iget()
4967 EXT4_INODE_GET_XTIME(i_atime, inode, raw_inode); in ext4_iget()
4970 if (likely(!test_opt2(inode->i_sb, HURD_COMPAT))) { in ext4_iget()
4973 if (EXT4_INODE_SIZE(inode->i_sb) > EXT4_GOOD_OLD_INODE_SIZE) { in ext4_iget()
4978 ext4_inode_set_iversion_queried(inode, ivers); in ext4_iget()
4984 EXT4_ERROR_INODE(inode, "bad extended attribute block %llu", in ext4_iget()
4988 } else if (!ext4_has_inline_data(inode)) { in ext4_iget()
4990 if (S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) || in ext4_iget()
4991 (S_ISLNK(inode->i_mode) && in ext4_iget()
4992 !ext4_inode_is_fast_symlink(inode))) { in ext4_iget()
4993 if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) in ext4_iget()
4994 ret = ext4_ext_check_inode(inode); in ext4_iget()
4996 ret = ext4_ind_check_inode(inode); in ext4_iget()
5002 if (S_ISREG(inode->i_mode)) { in ext4_iget()
5003 inode->i_op = &ext4_file_inode_operations; in ext4_iget()
5004 inode->i_fop = &ext4_file_operations; in ext4_iget()
5005 ext4_set_aops(inode); in ext4_iget()
5006 } else if (S_ISDIR(inode->i_mode)) { in ext4_iget()
5007 inode->i_op = &ext4_dir_inode_operations; in ext4_iget()
5008 inode->i_fop = &ext4_dir_operations; in ext4_iget()
5009 } else if (S_ISLNK(inode->i_mode)) { in ext4_iget()
5011 if (IS_APPEND(inode) || IS_IMMUTABLE(inode)) { in ext4_iget()
5012 EXT4_ERROR_INODE(inode, in ext4_iget()
5017 if (ext4_encrypted_inode(inode)) { in ext4_iget()
5018 inode->i_op = &ext4_encrypted_symlink_inode_operations; in ext4_iget()
5019 ext4_set_aops(inode); in ext4_iget()
5020 } else if (ext4_inode_is_fast_symlink(inode)) { in ext4_iget()
5021 inode->i_link = (char *)ei->i_data; in ext4_iget()
5022 inode->i_op = &ext4_fast_symlink_inode_operations; in ext4_iget()
5023 nd_terminate_link(ei->i_data, inode->i_size, in ext4_iget()
5026 inode->i_op = &ext4_symlink_inode_operations; in ext4_iget()
5027 ext4_set_aops(inode); in ext4_iget()
5029 inode_nohighmem(inode); in ext4_iget()
5030 } else if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) || in ext4_iget()
5031 S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) { in ext4_iget()
5032 inode->i_op = &ext4_special_inode_operations; in ext4_iget()
5034 init_special_inode(inode, inode->i_mode, in ext4_iget()
5037 init_special_inode(inode, inode->i_mode, in ext4_iget()
5040 make_bad_inode(inode); in ext4_iget()
5043 EXT4_ERROR_INODE(inode, "bogus i_mode (%o)", inode->i_mode); in ext4_iget()
5048 unlock_new_inode(inode); in ext4_iget()
5049 return inode; in ext4_iget()
5053 iget_failed(inode); in ext4_iget()
5057 struct inode *ext4_iget_normal(struct super_block *sb, unsigned long ino) in ext4_iget_normal()
5068 struct inode *inode = &(ei->vfs_inode); in ext4_inode_blocks_set() local
5069 u64 i_blocks = inode->i_blocks; in ext4_inode_blocks_set()
5070 struct super_block *sb = inode->i_sb; in ext4_inode_blocks_set()
5079 ext4_clear_inode_flag(inode, EXT4_INODE_HUGE_FILE); in ext4_inode_blocks_set()
5092 ext4_clear_inode_flag(inode, EXT4_INODE_HUGE_FILE); in ext4_inode_blocks_set()
5094 ext4_set_inode_flag(inode, EXT4_INODE_HUGE_FILE); in ext4_inode_blocks_set()
5096 i_blocks = i_blocks >> (inode->i_blkbits - 9); in ext4_inode_blocks_set()
5108 static int other_inode_match(struct inode * inode, unsigned long ino, in other_inode_match() argument
5113 if ((inode->i_ino != ino) || in other_inode_match()
5114 (inode->i_state & (I_FREEING | I_WILL_FREE | I_NEW | in other_inode_match()
5116 ((inode->i_state & I_DIRTY_TIME) == 0)) in other_inode_match()
5118 spin_lock(&inode->i_lock); in other_inode_match()
5119 if (((inode->i_state & (I_FREEING | I_WILL_FREE | I_NEW | in other_inode_match()
5121 (inode->i_state & I_DIRTY_TIME)) { in other_inode_match()
5122 struct ext4_inode_info *ei = EXT4_I(inode); in other_inode_match()
5124 inode->i_state &= ~(I_DIRTY_TIME | I_DIRTY_TIME_EXPIRED); in other_inode_match()
5125 spin_unlock(&inode->i_lock); in other_inode_match()
5128 EXT4_INODE_SET_XTIME(i_ctime, inode, oi->raw_inode); in other_inode_match()
5129 EXT4_INODE_SET_XTIME(i_mtime, inode, oi->raw_inode); in other_inode_match()
5130 EXT4_INODE_SET_XTIME(i_atime, inode, oi->raw_inode); in other_inode_match()
5131 ext4_inode_csum_set(inode, oi->raw_inode, ei); in other_inode_match()
5133 trace_ext4_other_inode_update_time(inode, oi->orig_ino); in other_inode_match()
5136 spin_unlock(&inode->i_lock); in other_inode_match()
5175 struct inode *inode, in ext4_do_update_inode() argument
5179 struct ext4_inode_info *ei = EXT4_I(inode); in ext4_do_update_inode()
5181 struct super_block *sb = inode->i_sb; in ext4_do_update_inode()
5192 if (ext4_test_inode_state(inode, EXT4_STATE_NEW)) in ext4_do_update_inode()
5193 memset(raw_inode, 0, EXT4_SB(inode->i_sb)->s_inode_size); in ext4_do_update_inode()
5195 raw_inode->i_mode = cpu_to_le16(inode->i_mode); in ext4_do_update_inode()
5196 i_uid = i_uid_read(inode); in ext4_do_update_inode()
5197 i_gid = i_gid_read(inode); in ext4_do_update_inode()
5199 if (!(test_opt(inode->i_sb, NO_UID32))) { in ext4_do_update_inode()
5221 raw_inode->i_links_count = cpu_to_le16(inode->i_nlink); in ext4_do_update_inode()
5223 EXT4_INODE_SET_XTIME(i_ctime, inode, raw_inode); in ext4_do_update_inode()
5224 EXT4_INODE_SET_XTIME(i_mtime, inode, raw_inode); in ext4_do_update_inode()
5225 EXT4_INODE_SET_XTIME(i_atime, inode, raw_inode); in ext4_do_update_inode()
5235 if (likely(!test_opt2(inode->i_sb, HURD_COMPAT))) in ext4_do_update_inode()
5239 if (ei->i_disksize != ext4_isize(inode->i_sb, raw_inode)) { in ext4_do_update_inode()
5249 raw_inode->i_generation = cpu_to_le32(inode->i_generation); in ext4_do_update_inode()
5250 if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) { in ext4_do_update_inode()
5251 if (old_valid_dev(inode->i_rdev)) { in ext4_do_update_inode()
5253 cpu_to_le32(old_encode_dev(inode->i_rdev)); in ext4_do_update_inode()
5258 cpu_to_le32(new_encode_dev(inode->i_rdev)); in ext4_do_update_inode()
5261 } else if (!ext4_has_inline_data(inode)) { in ext4_do_update_inode()
5266 if (likely(!test_opt2(inode->i_sb, HURD_COMPAT))) { in ext4_do_update_inode()
5267 u64 ivers = ext4_inode_peek_iversion(inode); in ext4_do_update_inode()
5279 BUG_ON(!ext4_has_feature_project(inode->i_sb) && in ext4_do_update_inode()
5282 if (EXT4_INODE_SIZE(inode->i_sb) > EXT4_GOOD_OLD_INODE_SIZE && in ext4_do_update_inode()
5286 ext4_inode_csum_set(inode, raw_inode, ei); in ext4_do_update_inode()
5288 if (inode->i_sb->s_flags & SB_LAZYTIME) in ext4_do_update_inode()
5289 ext4_update_other_inodes_time(inode->i_sb, inode->i_ino, in ext4_do_update_inode()
5296 ext4_clear_inode_state(inode, EXT4_STATE_NEW); in ext4_do_update_inode()
5307 ext4_update_inode_fsync_trans(handle, inode, need_datasync); in ext4_do_update_inode()
5310 ext4_std_error(inode->i_sb, err); in ext4_do_update_inode()
5348 int ext4_write_inode(struct inode *inode, struct writeback_control *wbc) in ext4_write_inode() argument
5355 if (EXT4_SB(inode->i_sb)->s_journal) { in ext4_write_inode()
5370 err = ext4_force_commit(inode->i_sb); in ext4_write_inode()
5374 err = __ext4_get_inode_loc(inode, &iloc, 0); in ext4_write_inode()
5384 EXT4_ERROR_INODE_BLOCK(inode, iloc.bh->b_blocknr, in ext4_write_inode()
5398 static void ext4_wait_for_tail_page_commit(struct inode *inode) in ext4_wait_for_tail_page_commit() argument
5402 journal_t *journal = EXT4_SB(inode->i_sb)->s_journal; in ext4_wait_for_tail_page_commit()
5406 offset = inode->i_size & (PAGE_SIZE - 1); in ext4_wait_for_tail_page_commit()
5412 if (offset > PAGE_SIZE - i_blocksize(inode)) in ext4_wait_for_tail_page_commit()
5415 page = find_lock_page(inode->i_mapping, in ext4_wait_for_tail_page_commit()
5416 inode->i_size >> PAGE_SHIFT); in ext4_wait_for_tail_page_commit()
5461 struct inode *inode = d_inode(dentry); in ext4_setattr() local
5466 if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb)))) in ext4_setattr()
5477 if (is_quota_modification(inode, attr)) { in ext4_setattr()
5478 error = dquot_initialize(inode); in ext4_setattr()
5482 if ((ia_valid & ATTR_UID && !uid_eq(attr->ia_uid, inode->i_uid)) || in ext4_setattr()
5483 (ia_valid & ATTR_GID && !gid_eq(attr->ia_gid, inode->i_gid))) { in ext4_setattr()
5488 handle = ext4_journal_start(inode, EXT4_HT_QUOTA, in ext4_setattr()
5489 (EXT4_MAXQUOTAS_INIT_BLOCKS(inode->i_sb) + in ext4_setattr()
5490 EXT4_MAXQUOTAS_DEL_BLOCKS(inode->i_sb)) + 3); in ext4_setattr()
5499 down_read(&EXT4_I(inode)->xattr_sem); in ext4_setattr()
5500 error = dquot_transfer(inode, attr); in ext4_setattr()
5501 up_read(&EXT4_I(inode)->xattr_sem); in ext4_setattr()
5510 inode->i_uid = attr->ia_uid; in ext4_setattr()
5512 inode->i_gid = attr->ia_gid; in ext4_setattr()
5513 error = ext4_mark_inode_dirty(handle, inode); in ext4_setattr()
5519 loff_t oldsize = inode->i_size; in ext4_setattr()
5520 int shrink = (attr->ia_size <= inode->i_size); in ext4_setattr()
5522 if (!(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))) { in ext4_setattr()
5523 struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); in ext4_setattr()
5528 if (!S_ISREG(inode->i_mode)) in ext4_setattr()
5531 if (IS_I_VERSION(inode) && attr->ia_size != inode->i_size) in ext4_setattr()
5532 inode_inc_iversion(inode); in ext4_setattr()
5534 if (ext4_should_order_data(inode) && in ext4_setattr()
5535 (attr->ia_size < inode->i_size)) { in ext4_setattr()
5536 error = ext4_begin_ordered_truncate(inode, in ext4_setattr()
5541 if (attr->ia_size != inode->i_size) { in ext4_setattr()
5542 handle = ext4_journal_start(inode, EXT4_HT_INODE, 3); in ext4_setattr()
5548 error = ext4_orphan_add(handle, inode); in ext4_setattr()
5556 inode->i_mtime = current_time(inode); in ext4_setattr()
5557 inode->i_ctime = inode->i_mtime; in ext4_setattr()
5559 down_write(&EXT4_I(inode)->i_data_sem); in ext4_setattr()
5560 EXT4_I(inode)->i_disksize = attr->ia_size; in ext4_setattr()
5561 rc = ext4_mark_inode_dirty(handle, inode); in ext4_setattr()
5570 i_size_write(inode, attr->ia_size); in ext4_setattr()
5571 up_write(&EXT4_I(inode)->i_data_sem); in ext4_setattr()
5575 ext4_orphan_del(NULL, inode); in ext4_setattr()
5580 pagecache_isize_extended(inode, oldsize, inode->i_size); in ext4_setattr()
5588 if (!ext4_should_journal_data(inode)) { in ext4_setattr()
5589 inode_dio_wait(inode); in ext4_setattr()
5591 ext4_wait_for_tail_page_commit(inode); in ext4_setattr()
5593 down_write(&EXT4_I(inode)->i_mmap_sem); in ext4_setattr()
5595 rc = ext4_break_layouts(inode); in ext4_setattr()
5597 up_write(&EXT4_I(inode)->i_mmap_sem); in ext4_setattr()
5606 truncate_pagecache(inode, inode->i_size); in ext4_setattr()
5608 rc = ext4_truncate(inode); in ext4_setattr()
5612 up_write(&EXT4_I(inode)->i_mmap_sem); in ext4_setattr()
5616 setattr_copy(inode, attr); in ext4_setattr()
5617 mark_inode_dirty(inode); in ext4_setattr()
5624 if (orphan && inode->i_nlink) in ext4_setattr()
5625 ext4_orphan_del(NULL, inode); in ext4_setattr()
5628 rc = posix_acl_chmod(inode, inode->i_mode); in ext4_setattr()
5631 ext4_std_error(inode->i_sb, error); in ext4_setattr()
5640 struct inode *inode = d_inode(path->dentry); in ext4_getattr() local
5642 struct ext4_inode_info *ei = EXT4_I(inode); in ext4_getattr()
5669 generic_fillattr(inode, stat); in ext4_getattr()
5676 struct inode *inode = d_inode(path->dentry); in ext4_file_getattr() local
5687 if (unlikely(ext4_has_inline_data(inode))) in ext4_file_getattr()
5700 delalloc_blocks = EXT4_C2B(EXT4_SB(inode->i_sb), in ext4_file_getattr()
5701 EXT4_I(inode)->i_reserved_data_blocks); in ext4_file_getattr()
5702 stat->blocks += delalloc_blocks << (inode->i_sb->s_blocksize_bits - 9); in ext4_file_getattr()
5706 static int ext4_index_trans_blocks(struct inode *inode, int lblocks, in ext4_index_trans_blocks() argument
5709 if (!(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))) in ext4_index_trans_blocks()
5710 return ext4_ind_trans_blocks(inode, lblocks); in ext4_index_trans_blocks()
5711 return ext4_ext_index_trans_blocks(inode, pextents); in ext4_index_trans_blocks()
5725 static int ext4_meta_trans_blocks(struct inode *inode, int lblocks, in ext4_meta_trans_blocks() argument
5728 ext4_group_t groups, ngroups = ext4_get_groups_count(inode->i_sb); in ext4_meta_trans_blocks()
5737 idxblocks = ext4_index_trans_blocks(inode, lblocks, pextents); in ext4_meta_trans_blocks()
5749 if (groups > EXT4_SB(inode->i_sb)->s_gdb_count) in ext4_meta_trans_blocks()
5750 gdpblocks = EXT4_SB(inode->i_sb)->s_gdb_count; in ext4_meta_trans_blocks()
5756 ret += EXT4_META_TRANS_BLOCKS(inode->i_sb); in ext4_meta_trans_blocks()
5771 int ext4_writepage_trans_blocks(struct inode *inode) in ext4_writepage_trans_blocks() argument
5773 int bpp = ext4_journal_blocks_per_page(inode); in ext4_writepage_trans_blocks()
5776 ret = ext4_meta_trans_blocks(inode, bpp, bpp); in ext4_writepage_trans_blocks()
5779 if (ext4_should_journal_data(inode)) in ext4_writepage_trans_blocks()
5793 int ext4_chunk_trans_blocks(struct inode *inode, int nrblocks) in ext4_chunk_trans_blocks() argument
5795 return ext4_meta_trans_blocks(inode, nrblocks, 1); in ext4_chunk_trans_blocks()
5803 struct inode *inode, struct ext4_iloc *iloc) in ext4_mark_iloc_dirty() argument
5807 if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb)))) in ext4_mark_iloc_dirty()
5810 if (IS_I_VERSION(inode)) in ext4_mark_iloc_dirty()
5811 inode_inc_iversion(inode); in ext4_mark_iloc_dirty()
5817 err = ext4_do_update_inode(handle, inode, iloc); in ext4_mark_iloc_dirty()
5828 ext4_reserve_inode_write(handle_t *handle, struct inode *inode, in ext4_reserve_inode_write() argument
5833 if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb)))) in ext4_reserve_inode_write()
5836 err = ext4_get_inode_loc(inode, iloc); in ext4_reserve_inode_write()
5845 ext4_std_error(inode->i_sb, err); in ext4_reserve_inode_write()
5849 static int __ext4_expand_extra_isize(struct inode *inode, in __ext4_expand_extra_isize() argument
5860 header = IHDR(inode, raw_inode); in __ext4_expand_extra_isize()
5863 if (!ext4_test_inode_state(inode, EXT4_STATE_XATTR) || in __ext4_expand_extra_isize()
5866 EXT4_I(inode)->i_extra_isize, 0, in __ext4_expand_extra_isize()
5867 new_extra_isize - EXT4_I(inode)->i_extra_isize); in __ext4_expand_extra_isize()
5868 EXT4_I(inode)->i_extra_isize = new_extra_isize; in __ext4_expand_extra_isize()
5873 error = ext4_expand_extra_isize_ea(inode, new_extra_isize, in __ext4_expand_extra_isize()
5889 static int ext4_try_to_expand_extra_isize(struct inode *inode, in ext4_try_to_expand_extra_isize() argument
5897 if (ext4_test_inode_state(inode, EXT4_STATE_NO_EXPAND)) in ext4_try_to_expand_extra_isize()
5911 EXT4_DATA_TRANS_BLOCKS(inode->i_sb)) != 0) in ext4_try_to_expand_extra_isize()
5914 if (ext4_write_trylock_xattr(inode, &no_expand) == 0) in ext4_try_to_expand_extra_isize()
5917 error = __ext4_expand_extra_isize(inode, new_extra_isize, &iloc, in ext4_try_to_expand_extra_isize()
5919 ext4_write_unlock_xattr(inode, &no_expand); in ext4_try_to_expand_extra_isize()
5924 int ext4_expand_extra_isize(struct inode *inode, in ext4_expand_extra_isize() argument
5932 if (ext4_test_inode_state(inode, EXT4_STATE_NO_EXPAND)) { in ext4_expand_extra_isize()
5937 handle = ext4_journal_start(inode, EXT4_HT_INODE, in ext4_expand_extra_isize()
5938 EXT4_DATA_TRANS_BLOCKS(inode->i_sb)); in ext4_expand_extra_isize()
5945 ext4_write_lock_xattr(inode, &no_expand); in ext4_expand_extra_isize()
5954 error = __ext4_expand_extra_isize(inode, new_extra_isize, iloc, in ext4_expand_extra_isize()
5957 rc = ext4_mark_iloc_dirty(handle, inode, iloc); in ext4_expand_extra_isize()
5961 ext4_write_unlock_xattr(inode, &no_expand); in ext4_expand_extra_isize()
5980 int ext4_mark_inode_dirty(handle_t *handle, struct inode *inode) in ext4_mark_inode_dirty() argument
5983 struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); in ext4_mark_inode_dirty()
5987 trace_ext4_mark_inode_dirty(inode, _RET_IP_); in ext4_mark_inode_dirty()
5988 err = ext4_reserve_inode_write(handle, inode, &iloc); in ext4_mark_inode_dirty()
5992 if (EXT4_I(inode)->i_extra_isize < sbi->s_want_extra_isize) in ext4_mark_inode_dirty()
5993 ext4_try_to_expand_extra_isize(inode, sbi->s_want_extra_isize, in ext4_mark_inode_dirty()
5996 return ext4_mark_iloc_dirty(handle, inode, &iloc); in ext4_mark_inode_dirty()
6017 void ext4_dirty_inode(struct inode *inode, int flags) in ext4_dirty_inode() argument
6023 handle = ext4_journal_start(inode, EXT4_HT_INODE, 2); in ext4_dirty_inode()
6027 ext4_mark_inode_dirty(handle, inode); in ext4_dirty_inode()
6042 static int ext4_pin_inode(handle_t *handle, struct inode *inode)
6048 err = ext4_get_inode_loc(inode, &iloc);
6059 ext4_std_error(inode->i_sb, err);
6064 int ext4_change_inode_journal_flag(struct inode *inode, int val) in ext4_change_inode_journal_flag() argument
6069 struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); in ext4_change_inode_journal_flag()
6081 journal = EXT4_JOURNAL(inode); in ext4_change_inode_journal_flag()
6088 inode_dio_wait(inode); in ext4_change_inode_journal_flag()
6099 down_write(&EXT4_I(inode)->i_mmap_sem); in ext4_change_inode_journal_flag()
6100 err = filemap_write_and_wait(inode->i_mapping); in ext4_change_inode_journal_flag()
6102 up_write(&EXT4_I(inode)->i_mmap_sem); in ext4_change_inode_journal_flag()
6119 ext4_set_inode_flag(inode, EXT4_INODE_JOURNAL_DATA); in ext4_change_inode_journal_flag()
6127 ext4_clear_inode_flag(inode, EXT4_INODE_JOURNAL_DATA); in ext4_change_inode_journal_flag()
6129 ext4_set_aops(inode); in ext4_change_inode_journal_flag()
6135 up_write(&EXT4_I(inode)->i_mmap_sem); in ext4_change_inode_journal_flag()
6139 handle = ext4_journal_start(inode, EXT4_HT_INODE, 1); in ext4_change_inode_journal_flag()
6143 err = ext4_mark_inode_dirty(handle, inode); in ext4_change_inode_journal_flag()
6146 ext4_std_error(inode->i_sb, err); in ext4_change_inode_journal_flag()
6164 struct inode *inode = file_inode(file); in ext4_page_mkwrite() local
6165 struct address_space *mapping = inode->i_mapping; in ext4_page_mkwrite()
6170 sb_start_pagefault(inode->i_sb); in ext4_page_mkwrite()
6173 down_read(&EXT4_I(inode)->i_mmap_sem); in ext4_page_mkwrite()
6175 ret = ext4_convert_inline_data(inode); in ext4_page_mkwrite()
6180 if (test_opt(inode->i_sb, DELALLOC) && in ext4_page_mkwrite()
6181 !ext4_should_journal_data(inode) && in ext4_page_mkwrite()
6182 !ext4_nonda_switch(inode->i_sb)) { in ext4_page_mkwrite()
6187 ext4_should_retry_alloc(inode->i_sb, &retries)); in ext4_page_mkwrite()
6192 size = i_size_read(inode); in ext4_page_mkwrite()
6220 if (ext4_should_dioread_nolock(inode)) in ext4_page_mkwrite()
6225 handle = ext4_journal_start(inode, EXT4_HT_WRITE_PAGE, in ext4_page_mkwrite()
6226 ext4_writepage_trans_blocks(inode)); in ext4_page_mkwrite()
6232 if (!ret && ext4_should_journal_data(inode)) { in ext4_page_mkwrite()
6240 ext4_set_inode_state(inode, EXT4_STATE_JDATA); in ext4_page_mkwrite()
6243 if (ret == -ENOSPC && ext4_should_retry_alloc(inode->i_sb, &retries)) in ext4_page_mkwrite()
6248 up_read(&EXT4_I(inode)->i_mmap_sem); in ext4_page_mkwrite()
6249 sb_end_pagefault(inode->i_sb); in ext4_page_mkwrite()
6255 struct inode *inode = file_inode(vmf->vma->vm_file); in ext4_filemap_fault() local
6258 down_read(&EXT4_I(inode)->i_mmap_sem); in ext4_filemap_fault()
6260 up_read(&EXT4_I(inode)->i_mmap_sem); in ext4_filemap_fault()