70 			      struct inode *dir,
71 			      struct inode *inode,
79 				    struct inode **ret_orphan_dir,
87 			    struct inode *inode,
91 			    struct inode *orphan_dir_inode,
96 				     struct inode *inode,
101 			     struct inode *inode1,
103 			     struct inode *inode2,
106 static void ocfs2_double_unlock(struct inode *inode1, struct inode *inode2);
110 static struct dentry *ocfs2_lookup(struct inode *dir, struct dentry *dentry,  in ocfs2_lookup()
115 	struct inode *inode = NULL;  in ocfs2_lookup()  local
141 	inode = ocfs2_iget(OCFS2_SB(dir->i_sb), blkno, 0, 0);  in ocfs2_lookup()
142 	if (IS_ERR(inode)) {  in ocfs2_lookup()
147 	oi = OCFS2_I(inode);  in ocfs2_lookup()
158 	ret = d_splice_alias(inode, dentry);  in ocfs2_lookup()
160 	if (inode) {  in ocfs2_lookup()
174 		status = ocfs2_dentry_attach_lock(dentry, inode,  in ocfs2_lookup()
198 static struct inode *ocfs2_get_init_inode(struct inode *dir, umode_t mode)  in ocfs2_get_init_inode()
200 	struct inode *inode;  in ocfs2_get_init_inode()  local
203 	inode = new_inode(dir->i_sb);  in ocfs2_get_init_inode()
204 	if (!inode) {  in ocfs2_get_init_inode()
213 		set_nlink(inode, 2);  in ocfs2_get_init_inode()
214 	inode_init_owner(inode, dir, mode);  in ocfs2_get_init_inode()
215 	status = dquot_initialize(inode);  in ocfs2_get_init_inode()
219 	return inode;  in ocfs2_get_init_inode()
223 		struct dentry *dentry, struct inode *inode)  in ocfs2_cleanup_add_entry_failure()  argument
234 	iput(inode);  in ocfs2_cleanup_add_entry_failure()
237 static int ocfs2_mknod(struct inode *dir,  in ocfs2_mknod()
248 	struct inode *inode = NULL;  in ocfs2_mknod()  local
318 	inode = ocfs2_get_init_inode(dir, mode);  in ocfs2_mknod()
319 	if (IS_ERR(inode)) {  in ocfs2_mknod()
320 		status = PTR_ERR(inode);  in ocfs2_mknod()
321 		inode = NULL;  in ocfs2_mknod()
327 	status = ocfs2_init_security_get(inode, dir, &dentry->d_name, &si);  in ocfs2_mknod()
383 	status = dquot_alloc_inode(inode);  in ocfs2_mknod()
389 	status = ocfs2_mknod_locked(osb, dir, inode, dev,  in ocfs2_mknod()
398 		status = ocfs2_fill_new_dir(osb, handle, dir, inode,  in ocfs2_mknod()
417 	status = ocfs2_init_acl(handle, inode, dir, new_fe_bh, parent_fe_bh,  in ocfs2_mknod()
426 		status = ocfs2_init_security_set(handle, inode, new_fe_bh, &si,  in ocfs2_mknod()
439 	status = ocfs2_dentry_attach_lock(dentry, inode,  in ocfs2_mknod()
448 	status = ocfs2_add_entry(handle, dentry, inode,  in ocfs2_mknod()
449 				 OCFS2_I(inode)->ip_blkno, parent_fe_bh,  in ocfs2_mknod()
456 	insert_inode_hash(inode);  in ocfs2_mknod()
457 	d_instantiate(dentry, inode);  in ocfs2_mknod()
461 		dquot_free_inode(inode);  in ocfs2_mknod()
489 	if ((status < 0) && inode) {  in ocfs2_mknod()
491 			ocfs2_cleanup_add_entry_failure(osb, dentry, inode);  in ocfs2_mknod()
493 		OCFS2_I(inode)->ip_flags |= OCFS2_INODE_SKIP_ORPHAN_DIR;  in ocfs2_mknod()
494 		clear_nlink(inode);  in ocfs2_mknod()
495 		iput(inode);  in ocfs2_mknod()
504 static int __ocfs2_mknod_locked(struct inode *dir,  in __ocfs2_mknod_locked()
505 				struct inode *inode,  in __ocfs2_mknod_locked()  argument
518 	struct ocfs2_inode_info *oi = OCFS2_I(inode);  in __ocfs2_mknod_locked()
525 	inode->i_ino = ino_from_blkno(osb->sb, fe_blkno);  in __ocfs2_mknod_locked()
526 	OCFS2_I(inode)->ip_blkno = fe_blkno;  in __ocfs2_mknod_locked()
528 	inode->i_generation = osb->s_next_generation++;  in __ocfs2_mknod_locked()
537 	ocfs2_set_new_buffer_uptodate(INODE_CACHE(inode), *new_fe_bh);  in __ocfs2_mknod_locked()
539 	status = ocfs2_journal_access_di(handle, INODE_CACHE(inode),  in __ocfs2_mknod_locked()
550 	fe->i_generation = cpu_to_le32(inode->i_generation);  in __ocfs2_mknod_locked()
556 	fe->i_uid = cpu_to_le32(i_uid_read(inode));  in __ocfs2_mknod_locked()
557 	fe->i_gid = cpu_to_le32(i_gid_read(inode));  in __ocfs2_mknod_locked()
558 	fe->i_mode = cpu_to_le16(inode->i_mode);  in __ocfs2_mknod_locked()
559 	if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode))  in __ocfs2_mknod_locked()
562 	ocfs2_set_links_count(fe, inode->i_nlink);  in __ocfs2_mknod_locked()
578 	if (S_ISDIR(inode->i_mode) && ocfs2_supports_inline_data(osb)) {  in __ocfs2_mknod_locked()
592 	ocfs2_populate_inode(inode, fe, 1);  in __ocfs2_mknod_locked()
593 	ocfs2_ci_set_new(osb, INODE_CACHE(inode));  in __ocfs2_mknod_locked()
595 		status = ocfs2_create_new_inode_locks(inode);  in __ocfs2_mknod_locked()
617 			      struct inode *dir,  in ocfs2_mknod_locked()
618 			      struct inode *inode,  in ocfs2_mknod_locked()  argument
639 	status = __ocfs2_mknod_locked(dir, inode, dev, new_fe_bh,  in ocfs2_mknod_locked()
653 static int ocfs2_mkdir(struct inode *dir,  in ocfs2_mkdir()
668 static int ocfs2_create(struct inode *dir,  in ocfs2_create()
685 		      struct inode *dir,  in ocfs2_link()
689 	struct inode *inode = d_inode(old_dentry);  in ocfs2_link()  local
690 	struct inode *old_dir = d_inode(old_dentry->d_parent);  in ocfs2_link()
701 	trace_ocfs2_link((unsigned long long)OCFS2_I(inode)->ip_blkno,  in ocfs2_link()
705 	if (S_ISDIR(inode->i_mode))  in ocfs2_link()
751 	if (old_de_ino != OCFS2_I(inode)->ip_blkno) {  in ocfs2_link()
769 	err = ocfs2_inode_lock(inode, &fe_bh, 1);  in ocfs2_link()
793 	err = ocfs2_journal_access_di(handle, INODE_CACHE(inode), fe_bh,  in ocfs2_link()
800 	inc_nlink(inode);  in ocfs2_link()
801 	inode->i_ctime = CURRENT_TIME;  in ocfs2_link()
802 	ocfs2_set_links_count(fe, inode->i_nlink);  in ocfs2_link()
803 	fe->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec);  in ocfs2_link()
804 	fe->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec);  in ocfs2_link()
807 	err = ocfs2_add_entry(handle, dentry, inode,  in ocfs2_link()
808 			      OCFS2_I(inode)->ip_blkno,  in ocfs2_link()
812 		drop_nlink(inode);  in ocfs2_link()
817 	err = ocfs2_dentry_attach_lock(dentry, inode, OCFS2_I(dir)->ip_blkno);  in ocfs2_link()
823 	ihold(inode);  in ocfs2_link()
824 	d_instantiate(dentry, inode);  in ocfs2_link()
830 	ocfs2_inode_unlock(inode, 1);  in ocfs2_link()
864 static inline int ocfs2_inode_is_unlinkable(struct inode *inode)  in ocfs2_inode_is_unlinkable()  argument
866 	if (S_ISDIR(inode->i_mode)) {  in ocfs2_inode_is_unlinkable()
867 		if (inode->i_nlink == 2)  in ocfs2_inode_is_unlinkable()
872 	if (inode->i_nlink == 1)  in ocfs2_inode_is_unlinkable()
877 static int ocfs2_unlink(struct inode *dir,  in ocfs2_unlink()
883 	struct inode *inode = d_inode(dentry);  in ocfs2_unlink()  local
884 	struct inode *orphan_dir = NULL;  in ocfs2_unlink()
898 			   (unsigned long long)OCFS2_I(inode)->ip_blkno);  in ocfs2_unlink()
908 	if (inode == osb->root_inode)  in ocfs2_unlink()
928 	if (OCFS2_I(inode)->ip_blkno != blkno) {  in ocfs2_unlink()
932 				(unsigned long long)OCFS2_I(inode)->ip_blkno,  in ocfs2_unlink()
934 				OCFS2_I(inode)->ip_flags);  in ocfs2_unlink()
938 	status = ocfs2_inode_lock(inode, &fe_bh, 1);  in ocfs2_unlink()
946 	if (S_ISDIR(inode->i_mode)) {  in ocfs2_unlink()
947 		if (inode->i_nlink != 2 || !ocfs2_empty_dir(inode)) {  in ocfs2_unlink()
961 	if (ocfs2_inode_is_unlinkable(inode)) {  in ocfs2_unlink()
963 						  OCFS2_I(inode)->ip_blkno,  in ocfs2_unlink()
981 	status = ocfs2_journal_access_di(handle, INODE_CACHE(inode), fe_bh,  in ocfs2_unlink()
997 	if (S_ISDIR(inode->i_mode))  in ocfs2_unlink()
998 		drop_nlink(inode);  in ocfs2_unlink()
999 	drop_nlink(inode);  in ocfs2_unlink()
1000 	ocfs2_set_links_count(fe, inode->i_nlink);  in ocfs2_unlink()
1004 	if (S_ISDIR(inode->i_mode))  in ocfs2_unlink()
1010 		if (S_ISDIR(inode->i_mode))  in ocfs2_unlink()
1016 		status = ocfs2_orphan_add(osb, handle, inode, fe_bh,  in ocfs2_unlink()
1034 		ocfs2_inode_unlock(inode, 1);  in ocfs2_unlink()
1056 	struct inode *child_inode;  in ocfs2_check_if_ancestor()
1115 			     struct inode *inode1,  in ocfs2_double_lock()
1117 			     struct inode *inode2,  in ocfs2_double_lock()
1195 static void ocfs2_double_unlock(struct inode *inode1, struct inode *inode2)  in ocfs2_double_unlock()
1203 static int ocfs2_rename(struct inode *old_dir,  in ocfs2_rename()
1205 			struct inode *new_dir,  in ocfs2_rename()
1210 	struct inode *old_inode = d_inode(old_dentry);  in ocfs2_rename()
1211 	struct inode *new_inode = d_inode(new_dentry);  in ocfs2_rename()
1212 	struct inode *orphan_dir = NULL;  in ocfs2_rename()
1693 				     struct inode *inode,  in ocfs2_create_symlink_data()  argument
1702 	bytes_left = i_size_read(inode) + 1;  in ocfs2_create_symlink_data()
1707 	trace_ocfs2_create_symlink_data((unsigned long long)inode->i_blocks,  in ocfs2_create_symlink_data()
1708 					i_size_read(inode), blocks);  in ocfs2_create_symlink_data()
1712 	    ocfs2_clusters_to_bytes(sb, OCFS2_I(inode)->ip_clusters)) {  in ocfs2_create_symlink_data()
1725 	status = ocfs2_extent_map_get_blocks(inode, 0, &p_blkno, &p_blocks,  in ocfs2_create_symlink_data()
1751 		ocfs2_set_new_buffer_uptodate(INODE_CACHE(inode),  in ocfs2_create_symlink_data()
1754 		status = ocfs2_journal_access(handle, INODE_CACHE(inode),  in ocfs2_create_symlink_data()
1789 static int ocfs2_symlink(struct inode *dir,  in ocfs2_symlink()
1796 	struct inode *inode = NULL;  in ocfs2_symlink()  local
1868 	inode = ocfs2_get_init_inode(dir, S_IFLNK | S_IRWXUGO);  in ocfs2_symlink()
1869 	if (IS_ERR(inode)) {  in ocfs2_symlink()
1870 		status = PTR_ERR(inode);  in ocfs2_symlink()
1871 		inode = NULL;  in ocfs2_symlink()
1877 	status = ocfs2_init_security_get(inode, dir, &dentry->d_name, &si);  in ocfs2_symlink()
1920 	status = dquot_alloc_inode(inode);  in ocfs2_symlink()
1928 				   inode->i_mode);  in ocfs2_symlink()
1930 	status = ocfs2_mknod_locked(osb, dir, inode,  in ocfs2_symlink()
1939 	inode->i_rdev = 0;  in ocfs2_symlink()
1941 	inode->i_op = &ocfs2_symlink_inode_operations;  in ocfs2_symlink()
1945 		status = dquot_alloc_space_nodirty(inode,  in ocfs2_symlink()
1950 		inode->i_mapping->a_ops = &ocfs2_aops;  in ocfs2_symlink()
1951 		status = ocfs2_add_inode_data(osb, inode, &offset, 1, 0,  in ocfs2_symlink()
1965 		i_size_write(inode, newsize);  in ocfs2_symlink()
1966 		inode->i_blocks = ocfs2_inode_sector_count(inode);  in ocfs2_symlink()
1968 		inode->i_mapping->a_ops = &ocfs2_fast_symlink_aops;  in ocfs2_symlink()
1970 		i_size_write(inode, newsize);  in ocfs2_symlink()
1971 		inode->i_blocks = 0;  in ocfs2_symlink()
1974 	status = ocfs2_mark_inode_dirty(handle, inode, new_fe_bh);  in ocfs2_symlink()
1980 	if (!ocfs2_inode_is_fast_symlink(inode)) {  in ocfs2_symlink()
1981 		status = ocfs2_create_symlink_data(osb, handle, inode,  in ocfs2_symlink()
1990 		status = ocfs2_init_security_set(handle, inode, new_fe_bh, &si,  in ocfs2_symlink()
2003 	status = ocfs2_dentry_attach_lock(dentry, inode, OCFS2_I(dir)->ip_blkno);  in ocfs2_symlink()
2011 	status = ocfs2_add_entry(handle, dentry, inode,  in ocfs2_symlink()
2019 	insert_inode_hash(inode);  in ocfs2_symlink()
2020 	d_instantiate(dentry, inode);  in ocfs2_symlink()
2023 		dquot_free_space_nodirty(inode,  in ocfs2_symlink()
2026 		dquot_free_inode(inode);  in ocfs2_symlink()
2044 	if ((status < 0) && inode) {  in ocfs2_symlink()
2046 			ocfs2_cleanup_add_entry_failure(osb, dentry, inode);  in ocfs2_symlink()
2048 		OCFS2_I(inode)->ip_flags |= OCFS2_INODE_SKIP_ORPHAN_DIR;  in ocfs2_symlink()
2049 		clear_nlink(inode);  in ocfs2_symlink()
2050 		iput(inode);  in ocfs2_symlink()
2089 					struct inode **ret_orphan_dir,  in ocfs2_lookup_lock_orphan_dir()
2092 	struct inode *orphan_dir_inode;  in ocfs2_lookup_lock_orphan_dir()
2122 static int __ocfs2_prepare_orphan_dir(struct inode *orphan_dir_inode,  in __ocfs2_prepare_orphan_dir()
2179 				    struct inode **ret_orphan_dir,  in ocfs2_prepare_orphan_dir()
2185 	struct inode *orphan_dir_inode = NULL;  in ocfs2_prepare_orphan_dir()
2221 			    struct inode *inode,  in ocfs2_orphan_add()  argument
2225 			    struct inode *orphan_dir_inode,  in ocfs2_orphan_add()
2237 				(unsigned long long)OCFS2_I(inode)->ip_blkno);  in ocfs2_orphan_add()
2261 					 INODE_CACHE(inode),  in ocfs2_orphan_add()
2272 	if (S_ISDIR(inode->i_mode))  in ocfs2_orphan_add()
2278 				   namelen, inode,  in ocfs2_orphan_add()
2279 				   OCFS2_I(inode)->ip_blkno,  in ocfs2_orphan_add()
2294 		OCFS2_I(inode)->ip_flags &= ~OCFS2_INODE_SKIP_ORPHAN_DIR;  in ocfs2_orphan_add()
2304 	trace_ocfs2_orphan_add_end((unsigned long long)OCFS2_I(inode)->ip_blkno,  in ocfs2_orphan_add()
2309 		if (S_ISDIR(inode->i_mode))  in ocfs2_orphan_add()
2323 		     struct inode *orphan_dir_inode,  in ocfs2_orphan_del()
2324 		     struct inode *inode,  in ocfs2_orphan_del()  argument
2343 		status = ocfs2_blkno_stringify(OCFS2_I(inode)->ip_blkno,  in ocfs2_orphan_del()
2346 		status = ocfs2_blkno_stringify(OCFS2_I(inode)->ip_blkno, name);  in ocfs2_orphan_del()
2382 	if (S_ISDIR(inode->i_mode))  in ocfs2_orphan_del()
2420 static int ocfs2_prep_new_orphaned_file(struct inode *dir,  in ocfs2_prep_new_orphaned_file()
2423 					struct inode **ret_orphan_dir,  in ocfs2_prep_new_orphaned_file()
2431 	struct inode *orphan_dir = NULL;  in ocfs2_prep_new_orphaned_file()
2489 int ocfs2_create_inode_in_orphan(struct inode *dir,  in ocfs2_create_inode_in_orphan()
2491 				 struct inode **new_inode)  in ocfs2_create_inode_in_orphan()
2494 	struct inode *inode = NULL;  in ocfs2_create_inode_in_orphan()  local
2495 	struct inode *orphan_dir = NULL;  in ocfs2_create_inode_in_orphan()
2523 	inode = ocfs2_get_init_inode(dir, mode);  in ocfs2_create_inode_in_orphan()
2524 	if (IS_ERR(inode)) {  in ocfs2_create_inode_in_orphan()
2525 		status = PTR_ERR(inode);  in ocfs2_create_inode_in_orphan()
2526 		inode = NULL;  in ocfs2_create_inode_in_orphan()
2539 	status = dquot_alloc_inode(inode);  in ocfs2_create_inode_in_orphan()
2552 	clear_nlink(inode);  in ocfs2_create_inode_in_orphan()
2554 	status = __ocfs2_mknod_locked(dir, inode,  in ocfs2_create_inode_in_orphan()
2564 	status = ocfs2_orphan_add(osb, handle, inode, new_di_bh, orphan_name,  in ocfs2_create_inode_in_orphan()
2572 	status = ocfs2_open_lock(inode);  in ocfs2_create_inode_in_orphan()
2576 	insert_inode_hash(inode);  in ocfs2_create_inode_in_orphan()
2579 		dquot_free_inode(inode);  in ocfs2_create_inode_in_orphan()
2590 	if ((status < 0) && inode) {  in ocfs2_create_inode_in_orphan()
2591 		clear_nlink(inode);  in ocfs2_create_inode_in_orphan()
2592 		iput(inode);  in ocfs2_create_inode_in_orphan()
2601 		*new_inode = inode;  in ocfs2_create_inode_in_orphan()
2611 	struct inode *inode)  in ocfs2_add_inode_to_orphan()  argument
2614 	struct inode *orphan_dir_inode = NULL;  in ocfs2_add_inode_to_orphan()
2621 	status = ocfs2_inode_lock(inode, &di_bh, 1);  in ocfs2_add_inode_to_orphan()
2633 		status = ocfs2_truncate_file(inode, di_bh, i_size_read(inode));  in ocfs2_add_inode_to_orphan()
2640 		status = ocfs2_del_inode_from_orphan(osb, inode, di_bh, 0, 0);  in ocfs2_add_inode_to_orphan()
2648 			OCFS2_I(inode)->ip_blkno,  in ocfs2_add_inode_to_orphan()
2664 	status = ocfs2_orphan_add(osb, handle, inode, di_bh, orphan_name,  in ocfs2_add_inode_to_orphan()
2679 	ocfs2_inode_unlock(inode, 1);  in ocfs2_add_inode_to_orphan()
2687 		struct inode *inode, struct buffer_head *di_bh,  in ocfs2_del_inode_from_orphan()  argument
2690 	struct inode *orphan_dir_inode = NULL;  in ocfs2_del_inode_from_orphan()
2724 				inode, orphan_dir_bh, true);  in ocfs2_del_inode_from_orphan()
2731 			INODE_CACHE(inode),  in ocfs2_del_inode_from_orphan()
2743 		status = ocfs2_set_inode_size(handle, inode, di_bh, end);  in ocfs2_del_inode_from_orphan()
2762 int ocfs2_mv_orphaned_inode_to_new(struct inode *dir,  in ocfs2_mv_orphaned_inode_to_new()
2763 				   struct inode *inode,  in ocfs2_mv_orphaned_inode_to_new()  argument
2771 	struct inode *orphan_dir_inode = NULL;  in ocfs2_mv_orphaned_inode_to_new()
2779 				(unsigned long long)OCFS2_I(inode)->ip_blkno);  in ocfs2_mv_orphaned_inode_to_new()
2828 	status = ocfs2_read_inode_block(inode, &di_bh);  in ocfs2_mv_orphaned_inode_to_new()
2842 	status = ocfs2_journal_access_di(handle, INODE_CACHE(inode),  in ocfs2_mv_orphaned_inode_to_new()
2849 	status = ocfs2_orphan_del(osb, handle, orphan_dir_inode, inode,  in ocfs2_mv_orphaned_inode_to_new()
2859 	set_nlink(inode, 1);  in ocfs2_mv_orphaned_inode_to_new()
2860 	ocfs2_set_links_count(di, inode->i_nlink);  in ocfs2_mv_orphaned_inode_to_new()
2861 	ocfs2_update_inode_fsync_trans(handle, inode, 1);  in ocfs2_mv_orphaned_inode_to_new()
2864 	status = ocfs2_add_entry(handle, dentry, inode,  in ocfs2_mv_orphaned_inode_to_new()
2865 				 OCFS2_I(inode)->ip_blkno, parent_di_bh,  in ocfs2_mv_orphaned_inode_to_new()
2872 	status = ocfs2_dentry_attach_lock(dentry, inode,  in ocfs2_mv_orphaned_inode_to_new()
2879 	d_instantiate(dentry, inode);  in ocfs2_mv_orphaned_inode_to_new()