142 static int ext4_bh_delay_or_unwritten(handle_t *handle, struct buffer_head *bh);
170 	handle_t *handle;  in ext4_evict_inode()  local
255 	handle = ext4_journal_start(inode, EXT4_HT_TRUNCATE,  in ext4_evict_inode()
257 	if (IS_ERR(handle)) {  in ext4_evict_inode()
258 		ext4_std_error(inode->i_sb, PTR_ERR(handle));  in ext4_evict_inode()
271 		ext4_handle_sync(handle);  in ext4_evict_inode()
283 	err = ext4_mark_inode_dirty(handle, inode);  in ext4_evict_inode()
300 	err = ext4_xattr_delete_inode(handle, inode, &ea_inode_array,  in ext4_evict_inode()
305 		ext4_journal_stop(handle);  in ext4_evict_inode()
321 	ext4_orphan_del(handle, inode);  in ext4_evict_inode()
331 	if (ext4_mark_inode_dirty(handle, inode))  in ext4_evict_inode()
335 		ext4_free_inode(handle, inode);  in ext4_evict_inode()
336 	ext4_journal_stop(handle);  in ext4_evict_inode()
446 static void ext4_map_blocks_es_recheck(handle_t *handle,  in ext4_map_blocks_es_recheck()  argument
464 		retval = ext4_ext_map_blocks(handle, inode, map, 0);  in ext4_map_blocks_es_recheck()
466 		retval = ext4_ind_map_blocks(handle, inode, map, 0);  in ext4_map_blocks_es_recheck()
510 int ext4_map_blocks(handle_t *handle, struct inode *inode,  in ext4_map_blocks()  argument
559 		ext4_map_blocks_es_recheck(handle, inode, map,  in ext4_map_blocks()
571 		retval = ext4_ext_map_blocks(handle, inode, map, 0);  in ext4_map_blocks()
573 		retval = ext4_ind_map_blocks(handle, inode, map, 0);  in ext4_map_blocks()
644 		retval = ext4_ext_map_blocks(handle, inode, map, flags);  in ext4_map_blocks()
646 		retval = ext4_ind_map_blocks(handle, inode, map, flags);  in ext4_map_blocks()
729 				ret = ext4_jbd2_inode_add_wait(handle, inode,  in ext4_map_blocks()
732 				ret = ext4_jbd2_inode_add_write(handle, inode,  in ext4_map_blocks()
740 		ext4_fc_track_range(handle, inode, map->m_lblk,  in ext4_map_blocks()
828 struct buffer_head *ext4_getblk(handle_t *handle, struct inode *inode,  in ext4_getblk()  argument
837 		 || handle != NULL || create == 0);  in ext4_getblk()
841 	err = ext4_map_blocks(handle, inode, &map, map_flags);  in ext4_getblk()
854 			 || (handle != NULL));  in ext4_getblk()
865 		err = ext4_journal_get_create_access(handle, bh);  in ext4_getblk()
876 		err = ext4_handle_dirty_metadata(handle, inode, bh);  in ext4_getblk()
887 struct buffer_head *ext4_bread(handle_t *handle, struct inode *inode,  in ext4_bread()  argument
893 	bh = ext4_getblk(handle, inode, block, map_flags);  in ext4_bread()
950 int ext4_walk_page_buffers(handle_t *handle,  in ext4_walk_page_buffers()  argument
955 			   int (*fn)(handle_t *handle,  in ext4_walk_page_buffers()  argument
974 		err = (*fn)(handle, bh);  in ext4_walk_page_buffers()
1005 int do_journal_get_write_access(handle_t *handle,  in do_journal_get_write_access()  argument
1024 	ret = ext4_journal_get_write_access(handle, bh);  in do_journal_get_write_access()
1026 		ret = ext4_handle_dirty_metadata(handle, NULL, bh);  in do_journal_get_write_access()
1132 	handle_t *handle;  in ext4_write_begin()  local
1191 	handle = ext4_journal_start(inode, EXT4_HT_WRITE_PAGE, needed_blocks);  in ext4_write_begin()
1192 	if (IS_ERR(handle)) {  in ext4_write_begin()
1194 		return PTR_ERR(handle);  in ext4_write_begin()
1202 		ext4_journal_stop(handle);  in ext4_write_begin()
1223 		ret = ext4_walk_page_buffers(handle, page_buffers(page),  in ext4_write_begin()
1242 			ext4_orphan_add(handle, inode);  in ext4_write_begin()
1244 		ext4_journal_stop(handle);  in ext4_write_begin()
1268 static int write_end_fn(handle_t *handle, struct buffer_head *bh)  in write_end_fn()  argument
1274 	ret = ext4_handle_dirty_metadata(handle, NULL, bh);  in write_end_fn()
1292 	handle_t *handle = ext4_journal_current_handle();  in ext4_write_end()  local
1337 		ret = ext4_mark_inode_dirty(handle, inode);  in ext4_write_end()
1345 		ext4_orphan_add(handle, inode);  in ext4_write_end()
1347 	ret2 = ext4_journal_stop(handle);  in ext4_write_end()
1370 static void ext4_journalled_zero_new_buffers(handle_t *handle,  in ext4_journalled_zero_new_buffers()  argument
1389 					write_end_fn(handle, bh);  in ext4_journalled_zero_new_buffers()
1404 	handle_t *handle = ext4_journal_current_handle();  in ext4_journalled_write_end()  local
1419 	BUG_ON(!ext4_handle_valid(handle));  in ext4_journalled_write_end()
1433 		ext4_journalled_zero_new_buffers(handle, page, from, to);  in ext4_journalled_write_end()
1436 			ext4_journalled_zero_new_buffers(handle, page,  in ext4_journalled_write_end()
1438 		ret = ext4_walk_page_buffers(handle, page_buffers(page), from,  in ext4_journalled_write_end()
1447 	EXT4_I(inode)->i_datasync_tid = handle->h_transaction->t_tid;  in ext4_journalled_write_end()
1455 		ret2 = ext4_mark_inode_dirty(handle, inode);  in ext4_journalled_write_end()
1466 		ext4_orphan_add(handle, inode);  in ext4_journalled_write_end()
1468 	ret2 = ext4_journal_stop(handle);  in ext4_journalled_write_end()
1647 static int ext4_bh_delay_or_unwritten(handle_t *handle, struct buffer_head *bh)  in ext4_bh_delay_or_unwritten()  argument
1873 static int bget_one(handle_t *handle, struct buffer_head *bh)  in bget_one()  argument
1879 static int bput_one(handle_t *handle, struct buffer_head *bh)  in bput_one()  argument
1891 	handle_t *handle = NULL;  in __ext4_journalled_writepage()  local
1910 		ext4_walk_page_buffers(handle, page_bufs, 0, len,  in __ext4_journalled_writepage()
1921 	handle = ext4_journal_start(inode, EXT4_HT_WRITE_PAGE,  in __ext4_journalled_writepage()
1923 	if (IS_ERR(handle)) {  in __ext4_journalled_writepage()
1924 		ret = PTR_ERR(handle);  in __ext4_journalled_writepage()
1928 	BUG_ON(!ext4_handle_valid(handle));  in __ext4_journalled_writepage()
1934 		ext4_journal_stop(handle);  in __ext4_journalled_writepage()
1940 		ret = ext4_mark_inode_dirty(handle, inode);  in __ext4_journalled_writepage()
1942 		ret = ext4_walk_page_buffers(handle, page_bufs, 0, len, NULL,  in __ext4_journalled_writepage()
1945 		err = ext4_walk_page_buffers(handle, page_bufs, 0, len, NULL,  in __ext4_journalled_writepage()
1950 	err = ext4_jbd2_inode_add_write(handle, inode, page_offset(page), len);  in __ext4_journalled_writepage()
1953 	EXT4_I(inode)->i_datasync_tid = handle->h_transaction->t_tid;  in __ext4_journalled_writepage()
1954 	err = ext4_journal_stop(handle);  in __ext4_journalled_writepage()
2391 static int mpage_map_one_extent(handle_t *handle, struct mpage_da_data *mpd)  in mpage_map_one_extent()  argument
2423 	err = ext4_map_blocks(handle, inode, map, get_blocks_flags);  in mpage_map_one_extent()
2427 		if (!mpd->io_submit.io_end->handle &&  in mpage_map_one_extent()
2428 		    ext4_handle_valid(handle)) {  in mpage_map_one_extent()
2429 			mpd->io_submit.io_end->handle = handle->h_rsv_handle;  in mpage_map_one_extent()
2430 			handle->h_rsv_handle = NULL;  in mpage_map_one_extent()
2459 static int mpage_map_and_submit_extent(handle_t *handle,  in mpage_map_and_submit_extent()  argument
2476 		err = mpage_map_one_extent(handle, mpd);  in mpage_map_and_submit_extent()
2537 		err2 = ext4_mark_inode_dirty(handle, inode);  in mpage_map_and_submit_extent()
2693 	handle_t *handle = NULL;  in ext4_writepages()  local
2743 		handle = ext4_journal_start(inode, EXT4_HT_INODE, 1);  in ext4_writepages()
2744 		if (IS_ERR(handle)) {  in ext4_writepages()
2745 			ret = PTR_ERR(handle);  in ext4_writepages()
2750 		ext4_destroy_inline_data(handle, inode);  in ext4_writepages()
2751 		ext4_journal_stop(handle);  in ext4_writepages()
2827 		handle = ext4_journal_start_with_reserve(inode,  in ext4_writepages()
2829 		if (IS_ERR(handle)) {  in ext4_writepages()
2830 			ret = PTR_ERR(handle);  in ext4_writepages()
2844 			ret = mpage_map_and_submit_extent(handle, &mpd,  in ext4_writepages()
2856 		if (!ext4_handle_valid(handle) || handle->h_sync == 0) {  in ext4_writepages()
2857 			ext4_journal_stop(handle);  in ext4_writepages()
2858 			handle = NULL;  in ext4_writepages()
2873 		if (handle) {  in ext4_writepages()
2875 			ext4_journal_stop(handle);  in ext4_writepages()
2994 	handle_t *handle;  in ext4_da_write_begin()  local
3050 	handle = ext4_journal_start(inode, EXT4_HT_WRITE_PAGE,  in ext4_da_write_begin()
3052 	if (IS_ERR(handle)) {  in ext4_da_write_begin()
3054 		return PTR_ERR(handle);  in ext4_da_write_begin()
3062 		ext4_journal_stop(handle);  in ext4_da_write_begin()
3076 		ext4_journal_stop(handle);  in ext4_da_write_begin()
3127 	handle_t *handle = ext4_journal_current_handle();  in ext4_da_write_end()  local
3173 	ret2 = ext4_journal_stop(handle);  in ext4_da_write_end()
3448 	handle_t *handle;  in ext4_iomap_alloc()  local
3467 	handle = ext4_journal_start(inode, EXT4_HT_MAP_BLOCKS, dio_credits);  in ext4_iomap_alloc()
3468 	if (IS_ERR(handle))  in ext4_iomap_alloc()
3469 		return PTR_ERR(handle);  in ext4_iomap_alloc()
3489 	ret = ext4_map_blocks(handle, inode, map, m_flags);  in ext4_iomap_alloc()
3499 	ext4_journal_stop(handle);  in ext4_iomap_alloc()
3801 static int __ext4_block_zero_page_range(handle_t *handle,  in __ext4_block_zero_page_range()  argument
3868 		err = ext4_journal_get_write_access(handle, bh);  in __ext4_block_zero_page_range()
3876 		err = ext4_handle_dirty_metadata(handle, inode, bh);  in __ext4_block_zero_page_range()
3881 			err = ext4_jbd2_inode_add_write(handle, inode, from,  in __ext4_block_zero_page_range()
3898 static int ext4_block_zero_page_range(handle_t *handle,  in ext4_block_zero_page_range()  argument
3917 	return __ext4_block_zero_page_range(handle, mapping, from, length);  in ext4_block_zero_page_range()
3926 static int ext4_block_truncate_page(handle_t *handle,  in ext4_block_truncate_page()  argument
3941 	return ext4_block_zero_page_range(handle, mapping, from, length);  in ext4_block_truncate_page()
3944 int ext4_zero_partial_blocks(handle_t *handle, struct inode *inode,  in ext4_zero_partial_blocks()  argument
3963 		err = ext4_block_zero_page_range(handle, mapping,  in ext4_zero_partial_blocks()
3969 		err = ext4_block_zero_page_range(handle, mapping,  in ext4_zero_partial_blocks()
3976 		err = ext4_block_zero_page_range(handle, mapping,  in ext4_zero_partial_blocks()
4002 	handle_t *handle;  in ext4_update_disksize_before_punch()  local
4014 	handle = ext4_journal_start(inode, EXT4_HT_MISC, 1);  in ext4_update_disksize_before_punch()
4015 	if (IS_ERR(handle))  in ext4_update_disksize_before_punch()
4016 		return PTR_ERR(handle);  in ext4_update_disksize_before_punch()
4018 	ret = ext4_mark_inode_dirty(handle, inode);  in ext4_update_disksize_before_punch()
4019 	ext4_journal_stop(handle);  in ext4_update_disksize_before_punch()
4073 	handle_t *handle;  in ext4_punch_hole()  local
4159 	handle = ext4_journal_start(inode, EXT4_HT_TRUNCATE, credits);  in ext4_punch_hole()
4160 	if (IS_ERR(handle)) {  in ext4_punch_hole()
4161 		ret = PTR_ERR(handle);  in ext4_punch_hole()
4166 	ret = ext4_zero_partial_blocks(handle, inode, offset,  in ext4_punch_hole()
4192 			ret = ext4_ind_remove_space(handle, inode, first_block,  in ext4_punch_hole()
4197 	ext4_fc_track_range(handle, inode, first_block, stop_block);  in ext4_punch_hole()
4199 		ext4_handle_sync(handle);  in ext4_punch_hole()
4202 	ret2 = ext4_mark_inode_dirty(handle, inode);  in ext4_punch_hole()
4206 		ext4_update_inode_fsync_trans(handle, inode, 1);  in ext4_punch_hole()
4208 	ext4_journal_stop(handle);  in ext4_punch_hole()
4274 	handle_t *handle;  in ext4_truncate()  local
4312 	handle = ext4_journal_start(inode, EXT4_HT_TRUNCATE, credits);  in ext4_truncate()
4313 	if (IS_ERR(handle)) {  in ext4_truncate()
4314 		err = PTR_ERR(handle);  in ext4_truncate()
4319 		ext4_block_truncate_page(handle, mapping, inode->i_size);  in ext4_truncate()
4330 	err = ext4_orphan_add(handle, inode);  in ext4_truncate()
4339 		err = ext4_ext_truncate(handle, inode);  in ext4_truncate()
4341 		ext4_ind_truncate(handle, inode);  in ext4_truncate()
4348 		ext4_handle_sync(handle);  in ext4_truncate()
4359 		ext4_orphan_del(handle, inode);  in ext4_truncate()
4362 	err2 = ext4_mark_inode_dirty(handle, inode);  in ext4_truncate()
4365 	ext4_journal_stop(handle);  in ext4_truncate()
5030 static int ext4_inode_blocks_set(handle_t *handle,  in ext4_inode_blocks_set()  argument
5140 static int ext4_do_update_inode(handle_t *handle,  in ext4_do_update_inode()  argument
5161 	err = ext4_inode_blocks_set(handle, raw_inode, ei);  in ext4_do_update_inode()
5260 	err = ext4_handle_dirty_metadata(handle, NULL, bh);  in ext4_do_update_inode()
5266 		err = ext4_journal_get_write_access(handle, EXT4_SB(sb)->s_sbh);  in ext4_do_update_inode()
5270 		ext4_handle_sync(handle);  in ext4_do_update_inode()
5271 		err = ext4_handle_dirty_super(handle, sb);  in ext4_do_update_inode()
5273 	ext4_update_inode_fsync_trans(handle, inode, need_datasync);  in ext4_do_update_inode()
5472 		handle_t *handle;  in ext4_setattr()  local
5476 		handle = ext4_journal_start(inode, EXT4_HT_QUOTA,  in ext4_setattr()
5479 		if (IS_ERR(handle)) {  in ext4_setattr()
5480 			error = PTR_ERR(handle);  in ext4_setattr()
5492 			ext4_journal_stop(handle);  in ext4_setattr()
5501 		error = ext4_mark_inode_dirty(handle, inode);  in ext4_setattr()
5502 		ext4_journal_stop(handle);  in ext4_setattr()
5509 		handle_t *handle;  in ext4_setattr()  local
5551 			handle = ext4_journal_start(inode, EXT4_HT_INODE, 3);  in ext4_setattr()
5552 			if (IS_ERR(handle)) {  in ext4_setattr()
5553 				error = PTR_ERR(handle);  in ext4_setattr()
5556 			if (ext4_handle_valid(handle) && shrink) {  in ext4_setattr()
5557 				error = ext4_orphan_add(handle, inode);  in ext4_setattr()
5570 				ext4_fc_track_range(handle, inode,  in ext4_setattr()
5576 					handle, inode,  in ext4_setattr()
5585 			rc = ext4_mark_inode_dirty(handle, inode);  in ext4_setattr()
5598 			ext4_journal_stop(handle);  in ext4_setattr()
5819 int ext4_mark_iloc_dirty(handle_t *handle,  in ext4_mark_iloc_dirty()  argument
5828 	ext4_fc_track_inode(handle, inode);  in ext4_mark_iloc_dirty()
5842 	err = ext4_do_update_inode(handle, inode, iloc);  in ext4_mark_iloc_dirty()
5853 ext4_reserve_inode_write(handle_t *handle, struct inode *inode,  in ext4_reserve_inode_write()  argument
5864 		err = ext4_journal_get_write_access(handle, iloc->bh);  in ext4_reserve_inode_write()
5877 				     handle_t *handle, int *no_expand)  in __ext4_expand_extra_isize()  argument
5922 					   raw_inode, handle);  in __ext4_expand_extra_isize()
5940 					  handle_t *handle)  in ext4_try_to_expand_extra_isize()  argument
5957 	if (ext4_journal_extend(handle,  in ext4_try_to_expand_extra_isize()
5965 					  handle, &no_expand);  in ext4_try_to_expand_extra_isize()
5975 	handle_t *handle;  in ext4_expand_extra_isize()  local
5984 	handle = ext4_journal_start(inode, EXT4_HT_INODE,  in ext4_expand_extra_isize()
5986 	if (IS_ERR(handle)) {  in ext4_expand_extra_isize()
5987 		error = PTR_ERR(handle);  in ext4_expand_extra_isize()
5995 	error = ext4_journal_get_write_access(handle, iloc->bh);  in ext4_expand_extra_isize()
6002 					  handle, &no_expand);  in ext4_expand_extra_isize()
6004 	rc = ext4_mark_iloc_dirty(handle, inode, iloc);  in ext4_expand_extra_isize()
6010 	ext4_journal_stop(handle);  in ext4_expand_extra_isize()
6027 int __ext4_mark_inode_dirty(handle_t *handle, struct inode *inode,  in __ext4_mark_inode_dirty()  argument
6036 	err = ext4_reserve_inode_write(handle, inode, &iloc);  in __ext4_mark_inode_dirty()
6042 					       iloc, handle);  in __ext4_mark_inode_dirty()
6044 	err = ext4_mark_iloc_dirty(handle, inode, &iloc);  in __ext4_mark_inode_dirty()
6072 	handle_t *handle;  in ext4_dirty_inode()  local
6076 	handle = ext4_journal_start(inode, EXT4_HT_INODE, 2);  in ext4_dirty_inode()
6077 	if (IS_ERR(handle))  in ext4_dirty_inode()
6080 	ext4_mark_inode_dirty(handle, inode);  in ext4_dirty_inode()
6082 	ext4_journal_stop(handle);  in ext4_dirty_inode()
6090 	handle_t *handle;  in ext4_change_inode_journal_flag()  local
6162 	handle = ext4_journal_start(inode, EXT4_HT_INODE, 1);  in ext4_change_inode_journal_flag()
6163 	if (IS_ERR(handle))  in ext4_change_inode_journal_flag()
6164 		return PTR_ERR(handle);  in ext4_change_inode_journal_flag()
6168 	err = ext4_mark_inode_dirty(handle, inode);  in ext4_change_inode_journal_flag()
6169 	ext4_handle_sync(handle);  in ext4_change_inode_journal_flag()
6170 	ext4_journal_stop(handle);  in ext4_change_inode_journal_flag()
6176 static int ext4_bh_unmapped(handle_t *handle, struct buffer_head *bh)  in ext4_bh_unmapped()  argument
6192 	handle_t *handle;  in ext4_page_mkwrite()  local
6265 	handle = ext4_journal_start(inode, EXT4_HT_WRITE_PAGE,  in ext4_page_mkwrite()
6267 	if (IS_ERR(handle)) {  in ext4_page_mkwrite()
6295 			if (ext4_walk_page_buffers(handle, page_buffers(page),  in ext4_page_mkwrite()
6298 			if (ext4_walk_page_buffers(handle, page_buffers(page),  in ext4_page_mkwrite()
6301 			if (ext4_jbd2_inode_add_write(handle, inode,  in ext4_page_mkwrite()
6309 	ext4_journal_stop(handle);  in ext4_page_mkwrite()
6320 	ext4_journal_stop(handle);  in ext4_page_mkwrite()