50 static struct buffer_head *ext4_append(handle_t *handle,  in ext4_append()  argument
64 	bh = ext4_bread(handle, inode, *block, EXT4_GET_BLOCKS_CREATE);  in ext4_append()
70 	err = ext4_journal_get_write_access(handle, bh);  in ext4_append()
275 static int ext4_dx_add_entry(handle_t *handle, struct ext4_filename *fname,
381 int ext4_handle_dirty_dirent_node(handle_t *handle,  in ext4_handle_dirty_dirent_node()  argument
386 	return ext4_handle_dirty_metadata(handle, inode, bh);  in ext4_handle_dirty_dirent_node()
492 static inline int ext4_handle_dirty_dx_node(handle_t *handle,  in ext4_handle_dirty_dx_node()  argument
497 	return ext4_handle_dirty_metadata(handle, inode, bh);  in ext4_handle_dirty_dx_node()
1682 static struct ext4_dir_entry_2 *do_split(handle_t *handle, struct inode *dir,  in do_split()  argument
1702 	bh2 = ext4_append(handle, dir, &newblock);  in do_split()
1710 	err = ext4_journal_get_write_access(handle, *bh);  in do_split()
1715 	err = ext4_journal_get_write_access(handle, frame->bh);  in do_split()
1774 	err = ext4_handle_dirty_dirent_node(handle, dir, bh2);  in do_split()
1777 	err = ext4_handle_dirty_dx_node(handle, dir, frame->bh);  in do_split()
1873 static int add_dirent_to_buf(handle_t *handle, struct ext4_filename *fname,  in add_dirent_to_buf()  argument
1892 	err = ext4_journal_get_write_access(handle, bh);  in add_dirent_to_buf()
1918 	ext4_mark_inode_dirty(handle, dir);  in add_dirent_to_buf()
1920 	err = ext4_handle_dirty_dirent_node(handle, dir, bh);  in add_dirent_to_buf()
1930 static int make_indexed_dir(handle_t *handle, struct ext4_filename *fname,  in make_indexed_dir()  argument
1955 	retval = ext4_journal_get_write_access(handle, bh);  in make_indexed_dir()
1975 	bh2 = ext4_append(handle, dir, &block);  in make_indexed_dir()
2023 	retval = ext4_handle_dirty_dx_node(handle, dir, frame->bh);  in make_indexed_dir()
2026 	retval = ext4_handle_dirty_dirent_node(handle, dir, bh);  in make_indexed_dir()
2030 	de = do_split(handle,dir, &bh, frame, &fname->hinfo);  in make_indexed_dir()
2037 	retval = add_dirent_to_buf(handle, fname, dir, inode, de, bh);  in make_indexed_dir()
2046 	ext4_mark_inode_dirty(handle, dir);  in make_indexed_dir()
2061 static int ext4_add_entry(handle_t *handle, struct dentry *dentry,  in ext4_add_entry()  argument
2089 		retval = ext4_try_add_inline_entry(handle, &fname,  in ext4_add_entry()
2100 		retval = ext4_dx_add_entry(handle, &fname, dentry, inode);  in ext4_add_entry()
2105 		ext4_mark_inode_dirty(handle, dir);  in ext4_add_entry()
2115 		retval = add_dirent_to_buf(handle, &fname, dir, inode,  in ext4_add_entry()
2122 			retval = make_indexed_dir(handle, &fname, dentry,  in ext4_add_entry()
2129 	bh = ext4_append(handle, dir, &block);  in ext4_add_entry()
2144 	retval = add_dirent_to_buf(handle, &fname, dir, inode, de, bh);  in ext4_add_entry()
2156 static int ext4_dx_add_entry(handle_t *handle, struct ext4_filename *fname,  in ext4_dx_add_entry()  argument
2180 	err = ext4_journal_get_write_access(handle, bh);  in ext4_dx_add_entry()
2184 	err = add_dirent_to_buf(handle, fname, dir, inode, NULL, bh);  in ext4_dx_add_entry()
2206 		bh2 = ext4_append(handle, dir, &newblock);  in ext4_dx_add_entry()
2217 		err = ext4_journal_get_write_access(handle, frame->bh);  in ext4_dx_add_entry()
2227 			err = ext4_journal_get_write_access(handle,  in ext4_dx_add_entry()
2248 			err = ext4_handle_dirty_dx_node(handle, dir, bh2);  in ext4_dx_add_entry()
2269 			err = ext4_journal_get_write_access(handle,  in ext4_dx_add_entry()
2274 		err = ext4_handle_dirty_dx_node(handle, dir, frames[0].bh);  in ext4_dx_add_entry()
2280 	de = do_split(handle, dir, &bh, frame, &fname->hinfo);  in ext4_dx_add_entry()
2285 	err = add_dirent_to_buf(handle, fname, dir, inode, de, bh);  in ext4_dx_add_entry()
2300 int ext4_generic_delete_entry(handle_t *handle,  in ext4_generic_delete_entry()  argument
2339 static int ext4_delete_entry(handle_t *handle,  in ext4_delete_entry()  argument
2348 		err = ext4_delete_inline_entry(handle, dir, de_del, bh,  in ext4_delete_entry()
2358 	err = ext4_journal_get_write_access(handle, bh);  in ext4_delete_entry()
2362 	err = ext4_generic_delete_entry(handle, dir, de_del,  in ext4_delete_entry()
2369 	err = ext4_handle_dirty_dirent_node(handle, dir, bh);  in ext4_delete_entry()
2384 static void ext4_inc_count(handle_t *handle, struct inode *inode)  in ext4_inc_count()  argument
2400 static void ext4_dec_count(handle_t *handle, struct inode *inode)  in ext4_dec_count()  argument
2407 static int ext4_add_nondir(handle_t *handle,  in ext4_add_nondir()  argument
2410 	int err = ext4_add_entry(handle, dentry, inode);  in ext4_add_nondir()
2412 		ext4_mark_inode_dirty(handle, inode);  in ext4_add_nondir()
2434 	handle_t *handle;  in ext4_create()  local
2447 	handle = ext4_journal_current_handle();  in ext4_create()
2453 		err = ext4_add_nondir(handle, dentry, inode);  in ext4_create()
2455 			ext4_handle_sync(handle);  in ext4_create()
2457 	if (handle)  in ext4_create()
2458 		ext4_journal_stop(handle);  in ext4_create()
2467 	handle_t *handle;  in ext4_mknod()  local
2480 	handle = ext4_journal_current_handle();  in ext4_mknod()
2485 		err = ext4_add_nondir(handle, dentry, inode);  in ext4_mknod()
2487 			ext4_handle_sync(handle);  in ext4_mknod()
2489 	if (handle)  in ext4_mknod()
2490 		ext4_journal_stop(handle);  in ext4_mknod()
2498 	handle_t *handle;  in ext4_tmpfile()  local
2512 	handle = ext4_journal_current_handle();  in ext4_tmpfile()
2519 		err = ext4_orphan_add(handle, inode);  in ext4_tmpfile()
2525 	if (handle)  in ext4_tmpfile()
2526 		ext4_journal_stop(handle);  in ext4_tmpfile()
2531 	ext4_journal_stop(handle);  in ext4_tmpfile()
2564 static int ext4_init_new_dir(handle_t *handle, struct inode *dir,  in ext4_init_new_dir()  argument
2579 		err = ext4_try_create_inline_dir(handle, dir, inode);  in ext4_init_new_dir()
2587 	dir_block = ext4_append(handle, inode, &block);  in ext4_init_new_dir()
2599 	err = ext4_handle_dirty_dirent_node(handle, inode, dir_block);  in ext4_init_new_dir()
2610 	handle_t *handle;  in ext4_mkdir()  local
2627 	handle = ext4_journal_current_handle();  in ext4_mkdir()
2634 	err = ext4_init_new_dir(handle, dir, inode);  in ext4_mkdir()
2637 	err = ext4_mark_inode_dirty(handle, inode);  in ext4_mkdir()
2639 		err = ext4_add_entry(handle, dentry, inode);  in ext4_mkdir()
2644 		ext4_mark_inode_dirty(handle, inode);  in ext4_mkdir()
2648 	ext4_inc_count(handle, dir);  in ext4_mkdir()
2650 	err = ext4_mark_inode_dirty(handle, dir);  in ext4_mkdir()
2656 		ext4_handle_sync(handle);  in ext4_mkdir()
2659 	if (handle)  in ext4_mkdir()
2660 		ext4_journal_stop(handle);  in ext4_mkdir()
2747 int ext4_orphan_add(handle_t *handle, struct inode *inode)  in ext4_orphan_add()  argument
2777 	err = ext4_journal_get_write_access(handle, sbi->s_sbh);  in ext4_orphan_add()
2781 	err = ext4_reserve_inode_write(handle, inode, &iloc);  in ext4_orphan_add()
2801 		err = ext4_handle_dirty_super(handle, sb);  in ext4_orphan_add()
2802 		rc = ext4_mark_iloc_dirty(handle, inode, &iloc);  in ext4_orphan_add()
2828 int ext4_orphan_del(handle_t *handle, struct inode *inode)  in ext4_orphan_del()  argument
2846 	if (handle) {  in ext4_orphan_del()
2848 		err = ext4_reserve_inode_write(handle, inode, &iloc);  in ext4_orphan_del()
2861 	if (!handle || err) {  in ext4_orphan_del()
2870 		err = ext4_journal_get_write_access(handle, sbi->s_sbh);  in ext4_orphan_del()
2877 		err = ext4_handle_dirty_super(handle, inode->i_sb);  in ext4_orphan_del()
2885 		err = ext4_reserve_inode_write(handle, i_prev, &iloc2);  in ext4_orphan_del()
2891 		err = ext4_mark_iloc_dirty(handle, i_prev, &iloc2);  in ext4_orphan_del()
2897 	err = ext4_mark_iloc_dirty(handle, inode, &iloc);  in ext4_orphan_del()
2913 	handle_t *handle = NULL;  in ext4_rmdir()  local
2941 	handle = ext4_journal_start(dir, EXT4_HT_DIR,  in ext4_rmdir()
2943 	if (IS_ERR(handle)) {  in ext4_rmdir()
2944 		retval = PTR_ERR(handle);  in ext4_rmdir()
2945 		handle = NULL;  in ext4_rmdir()
2950 		ext4_handle_sync(handle);  in ext4_rmdir()
2952 	retval = ext4_delete_entry(handle, dir, de, bh);  in ext4_rmdir()
2966 	ext4_orphan_add(handle, inode);  in ext4_rmdir()
2968 	ext4_mark_inode_dirty(handle, inode);  in ext4_rmdir()
2969 	ext4_dec_count(handle, dir);  in ext4_rmdir()
2971 	ext4_mark_inode_dirty(handle, dir);  in ext4_rmdir()
2975 	if (handle)  in ext4_rmdir()
2976 		ext4_journal_stop(handle);  in ext4_rmdir()
2986 	handle_t *handle = NULL;  in ext4_unlink()  local
3011 	handle = ext4_journal_start(dir, EXT4_HT_DIR,  in ext4_unlink()
3013 	if (IS_ERR(handle)) {  in ext4_unlink()
3014 		retval = PTR_ERR(handle);  in ext4_unlink()
3015 		handle = NULL;  in ext4_unlink()
3020 		ext4_handle_sync(handle);  in ext4_unlink()
3027 	retval = ext4_delete_entry(handle, dir, de, bh);  in ext4_unlink()
3032 	ext4_mark_inode_dirty(handle, dir);  in ext4_unlink()
3035 		ext4_orphan_add(handle, inode);  in ext4_unlink()
3037 	ext4_mark_inode_dirty(handle, inode);  in ext4_unlink()
3041 	if (handle)  in ext4_unlink()
3042 		ext4_journal_stop(handle);  in ext4_unlink()
3050 	handle_t *handle;  in ext4_symlink()  local
3108 	handle = ext4_journal_current_handle();  in ext4_symlink()
3110 		if (handle)  in ext4_symlink()
3111 			ext4_journal_stop(handle);  in ext4_symlink()
3147 		err = ext4_orphan_add(handle, inode);  in ext4_symlink()
3148 		ext4_journal_stop(handle);  in ext4_symlink()
3149 		handle = NULL;  in ext4_symlink()
3159 		handle = ext4_journal_start(dir, EXT4_HT_DIR,  in ext4_symlink()
3162 		if (IS_ERR(handle)) {  in ext4_symlink()
3163 			err = PTR_ERR(handle);  in ext4_symlink()
3164 			handle = NULL;  in ext4_symlink()
3168 		err = ext4_orphan_del(handle, inode);  in ext4_symlink()
3183 	err = ext4_add_nondir(handle, dentry, inode);  in ext4_symlink()
3185 		ext4_handle_sync(handle);  in ext4_symlink()
3187 	if (handle)  in ext4_symlink()
3188 		ext4_journal_stop(handle);  in ext4_symlink()
3192 	if (handle)  in ext4_symlink()
3193 		ext4_journal_stop(handle);  in ext4_symlink()
3205 	handle_t *handle;  in ext4_link()  local
3219 	handle = ext4_journal_start(dir, EXT4_HT_DIR,  in ext4_link()
3222 	if (IS_ERR(handle))  in ext4_link()
3223 		return PTR_ERR(handle);  in ext4_link()
3226 		ext4_handle_sync(handle);  in ext4_link()
3229 	ext4_inc_count(handle, inode);  in ext4_link()
3232 	err = ext4_add_entry(handle, dentry, inode);  in ext4_link()
3234 		ext4_mark_inode_dirty(handle, inode);  in ext4_link()
3239 			ext4_orphan_del(handle, inode);  in ext4_link()
3245 	ext4_journal_stop(handle);  in ext4_link()
3257 static struct buffer_head *ext4_get_first_dir_block(handle_t *handle,  in ext4_get_first_dir_block()  argument
3299 static int ext4_rename_dir_prepare(handle_t *handle, struct ext4_renament *ent)  in ext4_rename_dir_prepare()  argument
3303 	ent->dir_bh = ext4_get_first_dir_block(handle, ent->inode,  in ext4_rename_dir_prepare()
3311 	return ext4_journal_get_write_access(handle, ent->dir_bh);  in ext4_rename_dir_prepare()
3314 static int ext4_rename_dir_finish(handle_t *handle, struct ext4_renament *ent,  in ext4_rename_dir_finish()  argument
3323 			retval = ext4_handle_dirty_dx_node(handle,  in ext4_rename_dir_finish()
3327 			retval = ext4_handle_dirty_dirent_node(handle,  in ext4_rename_dir_finish()
3332 		retval = ext4_mark_inode_dirty(handle, ent->inode);  in ext4_rename_dir_finish()
3341 static int ext4_setent(handle_t *handle, struct ext4_renament *ent,  in ext4_setent()  argument
3347 	retval = ext4_journal_get_write_access(handle, ent->bh);  in ext4_setent()
3356 	ext4_mark_inode_dirty(handle, ent->dir);  in ext4_setent()
3359 		retval = ext4_handle_dirty_dirent_node(handle,  in ext4_setent()
3372 static int ext4_find_delete_entry(handle_t *handle, struct inode *dir,  in ext4_find_delete_entry()  argument
3383 		retval = ext4_delete_entry(handle, dir, de, bh);  in ext4_find_delete_entry()
3389 static void ext4_rename_delete(handle_t *handle, struct ext4_renament *ent,  in ext4_rename_delete()  argument
3404 		retval = ext4_find_delete_entry(handle, ent->dir,  in ext4_rename_delete()
3407 		retval = ext4_delete_entry(handle, ent->dir, ent->de, ent->bh);  in ext4_rename_delete()
3409 			retval = ext4_find_delete_entry(handle, ent->dir,  in ext4_rename_delete()
3421 static void ext4_update_dir_count(handle_t *handle, struct ext4_renament *ent)  in ext4_update_dir_count()  argument
3425 			ext4_dec_count(handle, ent->dir);  in ext4_update_dir_count()
3427 			ext4_inc_count(handle, ent->dir);  in ext4_update_dir_count()
3428 		ext4_mark_inode_dirty(handle, ent->dir);  in ext4_update_dir_count()
3436 	handle_t *handle;  in ext4_whiteout_for_rename()  local
3450 	handle = ext4_journal_current_handle();  in ext4_whiteout_for_rename()
3452 		if (handle)  in ext4_whiteout_for_rename()
3453 			ext4_journal_stop(handle);  in ext4_whiteout_for_rename()
3458 		*h = handle;  in ext4_whiteout_for_rename()
3477 	handle_t *handle = NULL;  in ext4_rename()  local
3549 		handle = ext4_journal_start(old.dir, EXT4_HT_DIR, credits);  in ext4_rename()
3550 		if (IS_ERR(handle)) {  in ext4_rename()
3551 			retval = PTR_ERR(handle);  in ext4_rename()
3552 			handle = NULL;  in ext4_rename()
3556 		whiteout = ext4_whiteout_for_rename(&old, credits, &handle);  in ext4_rename()
3565 		ext4_handle_sync(handle);  in ext4_rename()
3577 		retval = ext4_rename_dir_prepare(handle, &old);  in ext4_rename()
3597 		retval = ext4_setent(handle, &old, whiteout->i_ino,  in ext4_rename()
3601 		ext4_mark_inode_dirty(handle, whiteout);  in ext4_rename()
3604 		retval = ext4_add_entry(handle, new.dentry, old.inode);  in ext4_rename()
3608 		retval = ext4_setent(handle, &new,  in ext4_rename()
3622 	ext4_mark_inode_dirty(handle, old.inode);  in ext4_rename()
3628 		ext4_rename_delete(handle, &old, force_reread);  in ext4_rename()
3632 		ext4_dec_count(handle, new.inode);  in ext4_rename()
3638 		retval = ext4_rename_dir_finish(handle, &old, new.dir->i_ino);  in ext4_rename()
3642 		ext4_dec_count(handle, old.dir);  in ext4_rename()
3649 			ext4_inc_count(handle, new.dir);  in ext4_rename()
3651 			ext4_mark_inode_dirty(handle, new.dir);  in ext4_rename()
3654 	ext4_mark_inode_dirty(handle, old.dir);  in ext4_rename()
3656 		ext4_mark_inode_dirty(handle, new.inode);  in ext4_rename()
3658 			ext4_orphan_add(handle, new.inode);  in ext4_rename()
3672 	if (handle)  in ext4_rename()
3673 		ext4_journal_stop(handle);  in ext4_rename()
3680 	handle_t *handle = NULL;  in ext4_cross_rename()  local
3736 	handle = ext4_journal_start(old.dir, EXT4_HT_DIR,  in ext4_cross_rename()
3739 	if (IS_ERR(handle)) {  in ext4_cross_rename()
3740 		retval = PTR_ERR(handle);  in ext4_cross_rename()
3741 		handle = NULL;  in ext4_cross_rename()
3746 		ext4_handle_sync(handle);  in ext4_cross_rename()
3750 		retval = ext4_rename_dir_prepare(handle, &old);  in ext4_cross_rename()
3756 		retval = ext4_rename_dir_prepare(handle, &new);  in ext4_cross_rename()
3775 	retval = ext4_setent(handle, &new, old.inode->i_ino, old.de->file_type);  in ext4_cross_rename()
3779 	retval = ext4_setent(handle, &old, new.inode->i_ino, new_file_type);  in ext4_cross_rename()
3789 	ext4_mark_inode_dirty(handle, old.inode);  in ext4_cross_rename()
3790 	ext4_mark_inode_dirty(handle, new.inode);  in ext4_cross_rename()
3793 		retval = ext4_rename_dir_finish(handle, &old, new.dir->i_ino);  in ext4_cross_rename()
3798 		retval = ext4_rename_dir_finish(handle, &new, old.dir->i_ino);  in ext4_cross_rename()
3802 	ext4_update_dir_count(handle, &old);  in ext4_cross_rename()
3803 	ext4_update_dir_count(handle, &new);  in ext4_cross_rename()
3811 	if (handle)  in ext4_cross_rename()
3812 		ext4_journal_stop(handle);  in ext4_cross_rename()