53 static struct buffer_head *ext4_append(handle_t *handle,  in ext4_append()  argument
83 	bh = ext4_bread(handle, inode, *block, EXT4_GET_BLOCKS_CREATE);  in ext4_append()
88 	err = ext4_mark_inode_dirty(handle, inode);  in ext4_append()
92 	err = ext4_journal_get_write_access(handle, inode->i_sb, bh,  in ext4_append()
327 static int ext4_dx_add_entry(handle_t *handle, struct ext4_filename *fname,
435 int ext4_handle_dirty_dirblock(handle_t *handle,  in ext4_handle_dirty_dirblock()  argument
440 	return ext4_handle_dirty_metadata(handle, inode, bh);  in ext4_handle_dirty_dirblock()
546 static inline int ext4_handle_dirty_dx_node(handle_t *handle,  in ext4_handle_dirty_dx_node()  argument
551 	return ext4_handle_dirty_metadata(handle, inode, bh);  in ext4_handle_dirty_dx_node()
1975 static struct ext4_dir_entry_2 *do_split(handle_t *handle, struct inode *dir,  in do_split()  argument
1995 	bh2 = ext4_append(handle, dir, &newblock);  in do_split()
2003 	err = ext4_journal_get_write_access(handle, dir->i_sb, *bh,  in do_split()
2009 	err = ext4_journal_get_write_access(handle, dir->i_sb, frame->bh,  in do_split()
2079 	err = ext4_handle_dirty_dirblock(handle, dir, bh2);  in do_split()
2082 	err = ext4_handle_dirty_dx_node(handle, dir, frame->bh);  in do_split()
2171 static int add_dirent_to_buf(handle_t *handle, struct ext4_filename *fname,  in add_dirent_to_buf()  argument
2190 	err = ext4_journal_get_write_access(handle, dir->i_sb, bh,  in add_dirent_to_buf()
2214 	err2 = ext4_mark_inode_dirty(handle, dir);  in add_dirent_to_buf()
2216 	err = ext4_handle_dirty_dirblock(handle, dir, bh);  in add_dirent_to_buf()
2272 static int make_indexed_dir(handle_t *handle, struct ext4_filename *fname,  in make_indexed_dir()  argument
2295 	retval = ext4_journal_get_write_access(handle, dir->i_sb, bh,  in make_indexed_dir()
2316 	bh2 = ext4_append(handle, dir, &block);  in make_indexed_dir()
2383 	retval = ext4_handle_dirty_dx_node(handle, dir, frame->bh);  in make_indexed_dir()
2386 	retval = ext4_handle_dirty_dirblock(handle, dir, bh2);  in make_indexed_dir()
2390 	de = do_split(handle,dir, &bh2, frame, &fname->hinfo);  in make_indexed_dir()
2396 	retval = add_dirent_to_buf(handle, fname, dir, inode, de, bh2);  in make_indexed_dir()
2404 		ext4_mark_inode_dirty(handle, dir);  in make_indexed_dir()
2420 static int ext4_add_entry(handle_t *handle, struct dentry *dentry,  in ext4_add_entry()  argument
2456 		retval = ext4_try_add_inline_entry(handle, &fname, dir, inode);  in ext4_add_entry()
2466 		retval = ext4_dx_add_entry(handle, &fname, dir, inode);  in ext4_add_entry()
2478 		retval = ext4_mark_inode_dirty(handle, dir);  in ext4_add_entry()
2486 			bh = ext4_bread(handle, dir, block,  in ext4_add_entry()
2495 		retval = add_dirent_to_buf(handle, &fname, dir, inode,  in ext4_add_entry()
2502 			retval = make_indexed_dir(handle, &fname, dir,  in ext4_add_entry()
2509 	bh = ext4_append(handle, dir, &block);  in ext4_add_entry()
2523 	retval = add_dirent_to_buf(handle, &fname, dir, inode, de, bh);  in ext4_add_entry()
2535 static int ext4_dx_add_entry(handle_t *handle, struct ext4_filename *fname,  in ext4_dx_add_entry()  argument
2561 	err = ext4_journal_get_write_access(handle, sb, bh, EXT4_JTR_NONE);  in ext4_dx_add_entry()
2565 	err = add_dirent_to_buf(handle, fname, dir, inode, NULL, bh);  in ext4_dx_add_entry()
2607 		bh2 = ext4_append(handle, dir, &newblock);  in ext4_dx_add_entry()
2618 		err = ext4_journal_get_write_access(handle, sb, frame->bh,  in ext4_dx_add_entry()
2629 			err = ext4_journal_get_write_access(handle, sb,  in ext4_dx_add_entry()
2651 			err = ext4_handle_dirty_dx_node(handle, dir, bh2);  in ext4_dx_add_entry()
2655 			err = ext4_handle_dirty_dx_node(handle, dir,  in ext4_dx_add_entry()
2659 			err = ext4_handle_dirty_dx_node(handle, dir,  in ext4_dx_add_entry()
2677 			err = ext4_handle_dirty_dx_node(handle, dir, frame->bh);  in ext4_dx_add_entry()
2680 			err = ext4_handle_dirty_dx_node(handle, dir, bh2);  in ext4_dx_add_entry()
2686 	de = do_split(handle, dir, &bh, frame, &fname->hinfo);  in ext4_dx_add_entry()
2691 	err = add_dirent_to_buf(handle, fname, dir, inode, de, bh);  in ext4_dx_add_entry()
2761 static int ext4_delete_entry(handle_t *handle,  in ext4_delete_entry()  argument
2770 		err = ext4_delete_inline_entry(handle, dir, de_del, bh,  in ext4_delete_entry()
2780 	err = ext4_journal_get_write_access(handle, dir->i_sb, bh,  in ext4_delete_entry()
2791 	err = ext4_handle_dirty_dirblock(handle, dir, bh);  in ext4_delete_entry()
2838 static int ext4_add_nondir(handle_t *handle,  in ext4_add_nondir()  argument
2843 	int err = ext4_add_entry(handle, dentry, inode);  in ext4_add_nondir()
2845 		err = ext4_mark_inode_dirty(handle, inode);  in ext4_add_nondir()
2847 			ext4_handle_sync(handle);  in ext4_add_nondir()
2853 	ext4_mark_inode_dirty(handle, inode);  in ext4_add_nondir()
2854 	ext4_orphan_add(handle, inode);  in ext4_add_nondir()
2870 	handle_t *handle;  in ext4_create()  local
2883 	handle = ext4_journal_current_handle();  in ext4_create()
2889 		err = ext4_add_nondir(handle, dentry, &inode);  in ext4_create()
2891 			ext4_fc_track_create(handle, dentry);  in ext4_create()
2893 	if (handle)  in ext4_create()
2894 		ext4_journal_stop(handle);  in ext4_create()
2905 	handle_t *handle;  in ext4_mknod()  local
2918 	handle = ext4_journal_current_handle();  in ext4_mknod()
2923 		err = ext4_add_nondir(handle, dentry, &inode);  in ext4_mknod()
2925 			ext4_fc_track_create(handle, dentry);  in ext4_mknod()
2927 	if (handle)  in ext4_mknod()
2928 		ext4_journal_stop(handle);  in ext4_mknod()
2939 	handle_t *handle;  in ext4_tmpfile()  local
2953 	handle = ext4_journal_current_handle();  in ext4_tmpfile()
2960 		err = ext4_orphan_add(handle, inode);  in ext4_tmpfile()
2966 	if (handle)  in ext4_tmpfile()
2967 		ext4_journal_stop(handle);  in ext4_tmpfile()
2972 	ext4_journal_stop(handle);  in ext4_tmpfile()
3006 int ext4_init_new_dir(handle_t *handle, struct inode *dir,  in ext4_init_new_dir()  argument
3020 		err = ext4_try_create_inline_dir(handle, dir, inode);  in ext4_init_new_dir()
3028 	dir_block = ext4_append(handle, inode, &block);  in ext4_init_new_dir()
3038 	err = ext4_handle_dirty_dirblock(handle, inode, dir_block);  in ext4_init_new_dir()
3050 	handle_t *handle;  in ext4_mkdir()  local
3067 	handle = ext4_journal_current_handle();  in ext4_mkdir()
3074 	err = ext4_init_new_dir(handle, dir, inode);  in ext4_mkdir()
3077 	err = ext4_mark_inode_dirty(handle, inode);  in ext4_mkdir()
3079 		err = ext4_add_entry(handle, dentry, inode);  in ext4_mkdir()
3083 		ext4_orphan_add(handle, inode);  in ext4_mkdir()
3085 		err2 = ext4_mark_inode_dirty(handle, inode);  in ext4_mkdir()
3088 		ext4_journal_stop(handle);  in ext4_mkdir()
3095 	err = ext4_mark_inode_dirty(handle, dir);  in ext4_mkdir()
3099 	ext4_fc_track_create(handle, dentry);  in ext4_mkdir()
3101 		ext4_handle_sync(handle);  in ext4_mkdir()
3104 	if (handle)  in ext4_mkdir()
3105 		ext4_journal_stop(handle);  in ext4_mkdir()
3192 	handle_t *handle = NULL;  in ext4_rmdir()  local
3223 	handle = ext4_journal_start(dir, EXT4_HT_DIR,  in ext4_rmdir()
3225 	if (IS_ERR(handle)) {  in ext4_rmdir()
3226 		retval = PTR_ERR(handle);  in ext4_rmdir()
3227 		handle = NULL;  in ext4_rmdir()
3232 		ext4_handle_sync(handle);  in ext4_rmdir()
3234 	retval = ext4_delete_entry(handle, dir, de, bh);  in ext4_rmdir()
3248 	ext4_orphan_add(handle, inode);  in ext4_rmdir()
3251 	retval = ext4_mark_inode_dirty(handle, inode);  in ext4_rmdir()
3256 	ext4_fc_track_unlink(handle, dentry);  in ext4_rmdir()
3257 	retval = ext4_mark_inode_dirty(handle, dir);  in ext4_rmdir()
3272 	if (handle)  in ext4_rmdir()
3273 		ext4_journal_stop(handle);  in ext4_rmdir()
3284 	handle_t *handle;  in __ext4_unlink()  local
3310 	handle = ext4_journal_start(dir, EXT4_HT_DIR,  in __ext4_unlink()
3312 	if (IS_ERR(handle)) {  in __ext4_unlink()
3313 		retval = PTR_ERR(handle);  in __ext4_unlink()
3318 		ext4_handle_sync(handle);  in __ext4_unlink()
3321 		retval = ext4_delete_entry(handle, dir, de, bh);  in __ext4_unlink()
3326 		retval = ext4_mark_inode_dirty(handle, dir);  in __ext4_unlink()
3338 		ext4_orphan_add(handle, inode);  in __ext4_unlink()
3340 	retval = ext4_mark_inode_dirty(handle, inode);  in __ext4_unlink()
3342 		ext4_fc_track_unlink(handle, dentry);  in __ext4_unlink()
3344 	ext4_journal_stop(handle);  in __ext4_unlink()
3386 static int ext4_init_symlink_block(handle_t *handle, struct inode *inode,  in ext4_init_symlink_block()  argument
3393 	bh = ext4_bread(handle, inode, 0, EXT4_GET_BLOCKS_CREATE);  in ext4_init_symlink_block()
3398 	err = ext4_journal_get_write_access(handle, inode->i_sb, bh, EXT4_JTR_NONE);  in ext4_init_symlink_block()
3406 	err = ext4_handle_dirty_metadata(handle, inode, bh);  in ext4_init_symlink_block()
3415 	handle_t *handle;  in ext4_symlink()  local
3446 	handle = ext4_journal_current_handle();  in ext4_symlink()
3448 		if (handle)  in ext4_symlink()
3449 			ext4_journal_stop(handle);  in ext4_symlink()
3470 		err = ext4_init_symlink_block(handle, inode, &disk_link);  in ext4_symlink()
3481 	err = ext4_add_nondir(handle, dentry, &inode);  in ext4_symlink()
3482 	if (handle)  in ext4_symlink()
3483 		ext4_journal_stop(handle);  in ext4_symlink()
3489 	ext4_mark_inode_dirty(handle, inode);  in ext4_symlink()
3490 	ext4_orphan_add(handle, inode);  in ext4_symlink()
3492 	if (handle)  in ext4_symlink()
3493 		ext4_journal_stop(handle);  in ext4_symlink()
3505 	handle_t *handle;  in __ext4_link()  local
3508 	handle = ext4_journal_start(dir, EXT4_HT_DIR,  in __ext4_link()
3511 	if (IS_ERR(handle))  in __ext4_link()
3512 		return PTR_ERR(handle);  in __ext4_link()
3515 		ext4_handle_sync(handle);  in __ext4_link()
3521 	err = ext4_add_entry(handle, dentry, inode);  in __ext4_link()
3523 		err = ext4_mark_inode_dirty(handle, inode);  in __ext4_link()
3528 			ext4_orphan_del(handle, inode);  in __ext4_link()
3530 		ext4_fc_track_link(handle, dentry);  in __ext4_link()
3535 	ext4_journal_stop(handle);  in __ext4_link()
3570 static struct buffer_head *ext4_get_first_dir_block(handle_t *handle,  in ext4_get_first_dir_block()  argument
3636 static int ext4_rename_dir_prepare(handle_t *handle, struct ext4_renament *ent)  in ext4_rename_dir_prepare()  argument
3640 	ent->dir_bh = ext4_get_first_dir_block(handle, ent->inode,  in ext4_rename_dir_prepare()
3648 	return ext4_journal_get_write_access(handle, ent->dir->i_sb,  in ext4_rename_dir_prepare()
3652 static int ext4_rename_dir_finish(handle_t *handle, struct ext4_renament *ent,  in ext4_rename_dir_finish()  argument
3661 			retval = ext4_handle_dirty_dx_node(handle,  in ext4_rename_dir_finish()
3665 			retval = ext4_handle_dirty_dirblock(handle, ent->inode,  in ext4_rename_dir_finish()
3669 		retval = ext4_mark_inode_dirty(handle, ent->inode);  in ext4_rename_dir_finish()
3678 static int ext4_setent(handle_t *handle, struct ext4_renament *ent,  in ext4_setent()  argument
3684 	retval = ext4_journal_get_write_access(handle, ent->dir->i_sb, ent->bh,  in ext4_setent()
3693 	retval = ext4_mark_inode_dirty(handle, ent->dir);  in ext4_setent()
3696 		retval2 = ext4_handle_dirty_dirblock(handle, ent->dir, ent->bh);  in ext4_setent()
3705 static void ext4_resetent(handle_t *handle, struct ext4_renament *ent,  in ext4_resetent()  argument
3727 	ext4_setent(handle, &old, ino, file_type);  in ext4_resetent()
3731 static int ext4_find_delete_entry(handle_t *handle, struct inode *dir,  in ext4_find_delete_entry()  argument
3742 		retval = ext4_delete_entry(handle, dir, de, bh);  in ext4_find_delete_entry()
3748 static void ext4_rename_delete(handle_t *handle, struct ext4_renament *ent,  in ext4_rename_delete()  argument
3763 		retval = ext4_find_delete_entry(handle, ent->dir,  in ext4_rename_delete()
3766 		retval = ext4_delete_entry(handle, ent->dir, ent->de, ent->bh);  in ext4_rename_delete()
3768 			retval = ext4_find_delete_entry(handle, ent->dir,  in ext4_rename_delete()
3780 static void ext4_update_dir_count(handle_t *handle, struct ext4_renament *ent)  in ext4_update_dir_count()  argument
3787 		ext4_mark_inode_dirty(handle, ent->dir);  in ext4_update_dir_count()
3796 	handle_t *handle;  in ext4_whiteout_for_rename()  local
3811 	handle = ext4_journal_current_handle();  in ext4_whiteout_for_rename()
3813 		if (handle)  in ext4_whiteout_for_rename()
3814 			ext4_journal_stop(handle);  in ext4_whiteout_for_rename()
3819 		*h = handle;  in ext4_whiteout_for_rename()
3838 	handle_t *handle = NULL;  in ext4_rename()  local
3918 		handle = ext4_journal_start(old.dir, EXT4_HT_DIR, credits);  in ext4_rename()
3919 		if (IS_ERR(handle)) {  in ext4_rename()
3920 			retval = PTR_ERR(handle);  in ext4_rename()
3924 		whiteout = ext4_whiteout_for_rename(idmap, &old, credits, &handle);  in ext4_rename()
3933 		ext4_handle_sync(handle);  in ext4_rename()
3945 		retval = ext4_rename_dir_prepare(handle, &old);  in ext4_rename()
3964 		retval = ext4_setent(handle, &old, whiteout->i_ino,  in ext4_rename()
3968 		retval = ext4_mark_inode_dirty(handle, whiteout);  in ext4_rename()
3974 		retval = ext4_add_entry(handle, new.dentry, old.inode);  in ext4_rename()
3978 		retval = ext4_setent(handle, &new,  in ext4_rename()
3992 	retval = ext4_mark_inode_dirty(handle, old.inode);  in ext4_rename()
4000 		ext4_rename_delete(handle, &old, force_reread);  in ext4_rename()
4010 		retval = ext4_rename_dir_finish(handle, &old, new.dir->i_ino);  in ext4_rename()
4023 			retval = ext4_mark_inode_dirty(handle, new.dir);  in ext4_rename()
4028 	retval = ext4_mark_inode_dirty(handle, old.dir);  in ext4_rename()
4039 			EXT4_FC_REASON_RENAME_DIR, handle);  in ext4_rename()
4044 			ext4_fc_track_unlink(handle, new.dentry);  in ext4_rename()
4048 			__ext4_fc_track_link(handle, old.inode, new.dentry);  in ext4_rename()
4049 			__ext4_fc_track_unlink(handle, old.inode, old.dentry);  in ext4_rename()
4051 				__ext4_fc_track_create(handle, whiteout,  in ext4_rename()
4057 		retval = ext4_mark_inode_dirty(handle, new.inode);  in ext4_rename()
4061 			ext4_orphan_add(handle, new.inode);  in ext4_rename()
4068 			ext4_resetent(handle, &old,  in ext4_rename()
4071 			ext4_mark_inode_dirty(handle, whiteout);  in ext4_rename()
4072 			ext4_orphan_add(handle, whiteout);  in ext4_rename()
4075 		ext4_journal_stop(handle);  in ext4_rename()
4078 		ext4_journal_stop(handle);  in ext4_rename()
4091 	handle_t *handle = NULL;  in ext4_cross_rename()  local
4146 	handle = ext4_journal_start(old.dir, EXT4_HT_DIR,  in ext4_cross_rename()
4149 	if (IS_ERR(handle)) {  in ext4_cross_rename()
4150 		retval = PTR_ERR(handle);  in ext4_cross_rename()
4151 		handle = NULL;  in ext4_cross_rename()
4156 		ext4_handle_sync(handle);  in ext4_cross_rename()
4160 		retval = ext4_rename_dir_prepare(handle, &old);  in ext4_cross_rename()
4166 		retval = ext4_rename_dir_prepare(handle, &new);  in ext4_cross_rename()
4185 	retval = ext4_setent(handle, &new, old.inode->i_ino, old.de->file_type);  in ext4_cross_rename()
4189 	retval = ext4_setent(handle, &old, new.inode->i_ino, new_file_type);  in ext4_cross_rename()
4199 	retval = ext4_mark_inode_dirty(handle, old.inode);  in ext4_cross_rename()
4202 	retval = ext4_mark_inode_dirty(handle, new.inode);  in ext4_cross_rename()
4206 				EXT4_FC_REASON_CROSS_RENAME, handle);  in ext4_cross_rename()
4208 		retval = ext4_rename_dir_finish(handle, &old, new.dir->i_ino);  in ext4_cross_rename()
4213 		retval = ext4_rename_dir_finish(handle, &new, old.dir->i_ino);  in ext4_cross_rename()
4217 	ext4_update_dir_count(handle, &old);  in ext4_cross_rename()
4218 	ext4_update_dir_count(handle, &new);  in ext4_cross_rename()
4226 	if (handle)  in ext4_cross_rename()
4227 		ext4_journal_stop(handle);  in ext4_cross_rename()