56 			      struct inode *dir,
57 			      struct inode *inode,
65 				    struct inode **ret_orphan_dir,
73 			    struct inode *inode,
77 			    struct inode *orphan_dir_inode,
82 				     struct inode *inode,
87 			     struct inode *inode1,
89 			     struct inode *inode2,
92 static void ocfs2_double_unlock(struct inode *inode1, struct inode *inode2);
96 static struct dentry *ocfs2_lookup(struct inode *dir, struct dentry *dentry,  in ocfs2_lookup()
101 	struct inode *inode = NULL;  in ocfs2_lookup()  local
127 	inode = ocfs2_iget(OCFS2_SB(dir->i_sb), blkno, 0, 0);  in ocfs2_lookup()
128 	if (IS_ERR(inode)) {  in ocfs2_lookup()
133 	oi = OCFS2_I(inode);  in ocfs2_lookup()
144 	ret = d_splice_alias(inode, dentry);  in ocfs2_lookup()
146 	if (inode) {  in ocfs2_lookup()
160 		status = ocfs2_dentry_attach_lock(dentry, inode,  in ocfs2_lookup()
184 static struct inode *ocfs2_get_init_inode(struct inode *dir, umode_t mode)  in ocfs2_get_init_inode()
186 	struct inode *inode;  in ocfs2_get_init_inode()  local
189 	inode = new_inode(dir->i_sb);  in ocfs2_get_init_inode()
190 	if (!inode) {  in ocfs2_get_init_inode()
199 		set_nlink(inode, 2);  in ocfs2_get_init_inode()
201 	inode_init_owner(&nop_mnt_idmap, inode, dir, mode);  in ocfs2_get_init_inode()
202 	status = dquot_initialize(inode);  in ocfs2_get_init_inode()
206 	return inode;  in ocfs2_get_init_inode()
210 		struct dentry *dentry, struct inode *inode)  in ocfs2_cleanup_add_entry_failure()  argument
221 	iput(inode);  in ocfs2_cleanup_add_entry_failure()
225 		       struct inode *dir,  in ocfs2_mknod()
237 	struct inode *inode = NULL;  in ocfs2_mknod()  local
308 	inode = ocfs2_get_init_inode(dir, mode);  in ocfs2_mknod()
309 	if (IS_ERR(inode)) {  in ocfs2_mknod()
310 		status = PTR_ERR(inode);  in ocfs2_mknod()
311 		inode = NULL;  in ocfs2_mknod()
317 	status = ocfs2_init_security_get(inode, dir, &dentry->d_name, &si);  in ocfs2_mknod()
373 	status = dquot_alloc_inode(inode);  in ocfs2_mknod()
379 	status = ocfs2_mknod_locked(osb, dir, inode, dev,  in ocfs2_mknod()
389 		status = ocfs2_fill_new_dir(osb, handle, dir, inode,  in ocfs2_mknod()
408 	status = ocfs2_init_acl(handle, inode, dir, new_fe_bh, parent_fe_bh,  in ocfs2_mknod()
417 		status = ocfs2_init_security_set(handle, inode, new_fe_bh, &si,  in ocfs2_mknod()
430 	status = ocfs2_dentry_attach_lock(dentry, inode,  in ocfs2_mknod()
439 	status = ocfs2_add_entry(handle, dentry, inode,  in ocfs2_mknod()
440 				 OCFS2_I(inode)->ip_blkno, parent_fe_bh,  in ocfs2_mknod()
447 	insert_inode_hash(inode);  in ocfs2_mknod()
448 	d_instantiate(dentry, inode);  in ocfs2_mknod()
459 		dquot_free_inode(inode);  in ocfs2_mknod()
490 	if ((status < 0) && inode) {  in ocfs2_mknod()
492 			ocfs2_cleanup_add_entry_failure(osb, dentry, inode);  in ocfs2_mknod()
494 		OCFS2_I(inode)->ip_flags |= OCFS2_INODE_SKIP_ORPHAN_DIR;  in ocfs2_mknod()
495 		clear_nlink(inode);  in ocfs2_mknod()
496 		iput(inode);  in ocfs2_mknod()
505 static int __ocfs2_mknod_locked(struct inode *dir,  in __ocfs2_mknod_locked()
506 				struct inode *inode,  in __ocfs2_mknod_locked()  argument
519 	struct ocfs2_inode_info *oi = OCFS2_I(inode);  in __ocfs2_mknod_locked()
527 	inode->i_ino = ino_from_blkno(osb->sb, fe_blkno);  in __ocfs2_mknod_locked()
530 	inode->i_generation = osb->s_next_generation++;  in __ocfs2_mknod_locked()
539 	ocfs2_set_new_buffer_uptodate(INODE_CACHE(inode), *new_fe_bh);  in __ocfs2_mknod_locked()
541 	status = ocfs2_journal_access_di(handle, INODE_CACHE(inode),  in __ocfs2_mknod_locked()
552 	fe->i_generation = cpu_to_le32(inode->i_generation);  in __ocfs2_mknod_locked()
558 	fe->i_uid = cpu_to_le32(i_uid_read(inode));  in __ocfs2_mknod_locked()
559 	fe->i_gid = cpu_to_le32(i_gid_read(inode));  in __ocfs2_mknod_locked()
560 	fe->i_mode = cpu_to_le16(inode->i_mode);  in __ocfs2_mknod_locked()
561 	if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode))  in __ocfs2_mknod_locked()
564 	ocfs2_set_links_count(fe, inode->i_nlink);  in __ocfs2_mknod_locked()
581 	if (S_ISDIR(inode->i_mode) && ocfs2_supports_inline_data(osb)) {  in __ocfs2_mknod_locked()
595 	ocfs2_populate_inode(inode, fe, 1);  in __ocfs2_mknod_locked()
596 	ocfs2_ci_set_new(osb, INODE_CACHE(inode));  in __ocfs2_mknod_locked()
598 		status = ocfs2_create_new_inode_locks(inode);  in __ocfs2_mknod_locked()
603 	ocfs2_update_inode_fsync_trans(handle, inode, 1);  in __ocfs2_mknod_locked()
619 			      struct inode *dir,  in ocfs2_mknod_locked()
620 			      struct inode *inode,  in ocfs2_mknod_locked()  argument
641 	return __ocfs2_mknod_locked(dir, inode, dev, new_fe_bh,  in ocfs2_mknod_locked()
647 		       struct inode *dir,  in ocfs2_mkdir()
663 			struct inode *dir,  in ocfs2_create()
680 		      struct inode *dir,  in ocfs2_link()
684 	struct inode *inode = d_inode(old_dentry);  in ocfs2_link()  local
685 	struct inode *old_dir = d_inode(old_dentry->d_parent);  in ocfs2_link()
696 	trace_ocfs2_link((unsigned long long)OCFS2_I(inode)->ip_blkno,  in ocfs2_link()
700 	if (S_ISDIR(inode->i_mode))  in ocfs2_link()
746 	if (old_de_ino != OCFS2_I(inode)->ip_blkno) {  in ocfs2_link()
764 	err = ocfs2_inode_lock(inode, &fe_bh, 1);  in ocfs2_link()
788 	err = ocfs2_journal_access_di(handle, INODE_CACHE(inode), fe_bh,  in ocfs2_link()
795 	inc_nlink(inode);  in ocfs2_link()
796 	inode_set_ctime_current(inode);  in ocfs2_link()
797 	ocfs2_set_links_count(fe, inode->i_nlink);  in ocfs2_link()
798 	fe->i_ctime = cpu_to_le64(inode_get_ctime_sec(inode));  in ocfs2_link()
799 	fe->i_ctime_nsec = cpu_to_le32(inode_get_ctime_nsec(inode));  in ocfs2_link()
800 	ocfs2_update_inode_fsync_trans(handle, inode, 0);  in ocfs2_link()
803 	err = ocfs2_add_entry(handle, dentry, inode,  in ocfs2_link()
804 			      OCFS2_I(inode)->ip_blkno,  in ocfs2_link()
808 		drop_nlink(inode);  in ocfs2_link()
813 	err = ocfs2_dentry_attach_lock(dentry, inode, OCFS2_I(dir)->ip_blkno);  in ocfs2_link()
819 	ihold(inode);  in ocfs2_link()
820 	d_instantiate(dentry, inode);  in ocfs2_link()
826 	ocfs2_inode_unlock(inode, 1);  in ocfs2_link()
860 static inline int ocfs2_inode_is_unlinkable(struct inode *inode)  in ocfs2_inode_is_unlinkable()  argument
862 	if (S_ISDIR(inode->i_mode)) {  in ocfs2_inode_is_unlinkable()
863 		if (inode->i_nlink == 2)  in ocfs2_inode_is_unlinkable()
868 	if (inode->i_nlink == 1)  in ocfs2_inode_is_unlinkable()
873 static int ocfs2_unlink(struct inode *dir,  in ocfs2_unlink()
879 	struct inode *inode = d_inode(dentry);  in ocfs2_unlink()  local
880 	struct inode *orphan_dir = NULL;  in ocfs2_unlink()
894 			   (unsigned long long)OCFS2_I(inode)->ip_blkno);  in ocfs2_unlink()
904 	if (inode == osb->root_inode)  in ocfs2_unlink()
924 	if (OCFS2_I(inode)->ip_blkno != blkno) {  in ocfs2_unlink()
928 				(unsigned long long)OCFS2_I(inode)->ip_blkno,  in ocfs2_unlink()
930 				OCFS2_I(inode)->ip_flags);  in ocfs2_unlink()
934 	status = ocfs2_inode_lock(inode, &fe_bh, 1);  in ocfs2_unlink()
942 	if (S_ISDIR(inode->i_mode)) {  in ocfs2_unlink()
943 		if (inode->i_nlink != 2 || !ocfs2_empty_dir(inode)) {  in ocfs2_unlink()
957 	if (ocfs2_inode_is_unlinkable(inode)) {  in ocfs2_unlink()
959 						  OCFS2_I(inode)->ip_blkno,  in ocfs2_unlink()
977 	status = ocfs2_journal_access_di(handle, INODE_CACHE(inode), fe_bh,  in ocfs2_unlink()
993 	if (S_ISDIR(inode->i_mode))  in ocfs2_unlink()
994 		drop_nlink(inode);  in ocfs2_unlink()
995 	drop_nlink(inode);  in ocfs2_unlink()
996 	ocfs2_set_links_count(fe, inode->i_nlink);  in ocfs2_unlink()
997 	ocfs2_update_inode_fsync_trans(handle, inode, 0);  in ocfs2_unlink()
1001 	if (S_ISDIR(inode->i_mode))  in ocfs2_unlink()
1007 		if (S_ISDIR(inode->i_mode))  in ocfs2_unlink()
1013 		status = ocfs2_orphan_add(osb, handle, inode, fe_bh,  in ocfs2_unlink()
1031 		ocfs2_inode_unlock(inode, 1);  in ocfs2_unlink()
1053 	struct inode *child_inode;  in ocfs2_check_if_ancestor()
1112 			     struct inode *inode1,  in ocfs2_double_lock()
1114 			     struct inode *inode2,  in ocfs2_double_lock()
1192 static void ocfs2_double_unlock(struct inode *inode1, struct inode *inode2)  in ocfs2_double_unlock()
1201 			struct inode *old_dir,  in ocfs2_rename()
1203 			struct inode *new_dir,  in ocfs2_rename()
1209 	struct inode *old_inode = d_inode(old_dentry);  in ocfs2_rename()
1210 	struct inode *new_inode = d_inode(new_dentry);  in ocfs2_rename()
1211 	struct inode *orphan_dir = NULL;  in ocfs2_rename()
1699 				     struct inode *inode,  in ocfs2_create_symlink_data()  argument
1708 	bytes_left = i_size_read(inode) + 1;  in ocfs2_create_symlink_data()
1713 	trace_ocfs2_create_symlink_data((unsigned long long)inode->i_blocks,  in ocfs2_create_symlink_data()
1714 					i_size_read(inode), blocks);  in ocfs2_create_symlink_data()
1718 	    ocfs2_clusters_to_bytes(sb, OCFS2_I(inode)->ip_clusters)) {  in ocfs2_create_symlink_data()
1731 	status = ocfs2_extent_map_get_blocks(inode, 0, &p_blkno, &p_blocks,  in ocfs2_create_symlink_data()
1757 		ocfs2_set_new_buffer_uptodate(INODE_CACHE(inode),  in ocfs2_create_symlink_data()
1760 		status = ocfs2_journal_access(handle, INODE_CACHE(inode),  in ocfs2_create_symlink_data()
1796 			 struct inode *dir,  in ocfs2_symlink()
1803 	struct inode *inode = NULL;  in ocfs2_symlink()  local
1876 	inode = ocfs2_get_init_inode(dir, S_IFLNK | S_IRWXUGO);  in ocfs2_symlink()
1877 	if (IS_ERR(inode)) {  in ocfs2_symlink()
1878 		status = PTR_ERR(inode);  in ocfs2_symlink()
1879 		inode = NULL;  in ocfs2_symlink()
1885 	status = ocfs2_init_security_get(inode, dir, &dentry->d_name, &si);  in ocfs2_symlink()
1928 	status = dquot_alloc_inode(inode);  in ocfs2_symlink()
1936 				   inode->i_mode);  in ocfs2_symlink()
1938 	status = ocfs2_mknod_locked(osb, dir, inode,  in ocfs2_symlink()
1947 	inode->i_rdev = 0;  in ocfs2_symlink()
1949 	inode->i_op = &ocfs2_symlink_inode_operations;  in ocfs2_symlink()
1950 	inode_nohighmem(inode);  in ocfs2_symlink()
1954 		status = dquot_alloc_space_nodirty(inode,  in ocfs2_symlink()
1959 		inode->i_mapping->a_ops = &ocfs2_aops;  in ocfs2_symlink()
1960 		status = ocfs2_add_inode_data(osb, inode, &offset, 1, 0,  in ocfs2_symlink()
1974 		i_size_write(inode, newsize);  in ocfs2_symlink()
1975 		inode->i_blocks = ocfs2_inode_sector_count(inode);  in ocfs2_symlink()
1977 		inode->i_mapping->a_ops = &ocfs2_fast_symlink_aops;  in ocfs2_symlink()
1979 		i_size_write(inode, newsize);  in ocfs2_symlink()
1980 		inode->i_blocks = 0;  in ocfs2_symlink()
1983 	status = ocfs2_mark_inode_dirty(handle, inode, new_fe_bh);  in ocfs2_symlink()
1989 	if (!ocfs2_inode_is_fast_symlink(inode)) {  in ocfs2_symlink()
1990 		status = ocfs2_create_symlink_data(osb, handle, inode,  in ocfs2_symlink()
1999 		status = ocfs2_init_security_set(handle, inode, new_fe_bh, &si,  in ocfs2_symlink()
2012 	status = ocfs2_dentry_attach_lock(dentry, inode, OCFS2_I(dir)->ip_blkno);  in ocfs2_symlink()
2020 	status = ocfs2_add_entry(handle, dentry, inode,  in ocfs2_symlink()
2028 	insert_inode_hash(inode);  in ocfs2_symlink()
2029 	d_instantiate(dentry, inode);  in ocfs2_symlink()
2032 		dquot_free_space_nodirty(inode,  in ocfs2_symlink()
2035 		dquot_free_inode(inode);  in ocfs2_symlink()
2056 	if ((status < 0) && inode) {  in ocfs2_symlink()
2058 			ocfs2_cleanup_add_entry_failure(osb, dentry, inode);  in ocfs2_symlink()
2060 		OCFS2_I(inode)->ip_flags |= OCFS2_INODE_SKIP_ORPHAN_DIR;  in ocfs2_symlink()
2061 		clear_nlink(inode);  in ocfs2_symlink()
2062 		iput(inode);  in ocfs2_symlink()
2101 					struct inode **ret_orphan_dir,  in ocfs2_lookup_lock_orphan_dir()
2104 	struct inode *orphan_dir_inode;  in ocfs2_lookup_lock_orphan_dir()
2134 static int __ocfs2_prepare_orphan_dir(struct inode *orphan_dir_inode,  in __ocfs2_prepare_orphan_dir()
2191 				    struct inode **ret_orphan_dir,  in ocfs2_prepare_orphan_dir()
2197 	struct inode *orphan_dir_inode = NULL;  in ocfs2_prepare_orphan_dir()
2233 			    struct inode *inode,  in ocfs2_orphan_add()  argument
2237 			    struct inode *orphan_dir_inode,  in ocfs2_orphan_add()
2249 				(unsigned long long)OCFS2_I(inode)->ip_blkno);  in ocfs2_orphan_add()
2273 					 INODE_CACHE(inode),  in ocfs2_orphan_add()
2284 	if (S_ISDIR(inode->i_mode))  in ocfs2_orphan_add()
2290 				   namelen, inode,  in ocfs2_orphan_add()
2291 				   OCFS2_I(inode)->ip_blkno,  in ocfs2_orphan_add()
2306 		OCFS2_I(inode)->ip_flags &= ~OCFS2_INODE_SKIP_ORPHAN_DIR;  in ocfs2_orphan_add()
2316 	trace_ocfs2_orphan_add_end((unsigned long long)OCFS2_I(inode)->ip_blkno,  in ocfs2_orphan_add()
2321 		if (S_ISDIR(inode->i_mode))  in ocfs2_orphan_add()
2335 		     struct inode *orphan_dir_inode,  in ocfs2_orphan_del()
2336 		     struct inode *inode,  in ocfs2_orphan_del()  argument
2354 		status = ocfs2_blkno_stringify(OCFS2_I(inode)->ip_blkno,  in ocfs2_orphan_del()
2357 		status = ocfs2_blkno_stringify(OCFS2_I(inode)->ip_blkno, name);  in ocfs2_orphan_del()
2393 	if (S_ISDIR(inode->i_mode))  in ocfs2_orphan_del()
2431 static int ocfs2_prep_new_orphaned_file(struct inode *dir,  in ocfs2_prep_new_orphaned_file()
2434 					struct inode **ret_orphan_dir,  in ocfs2_prep_new_orphaned_file()
2442 	struct inode *orphan_dir = NULL;  in ocfs2_prep_new_orphaned_file()
2500 int ocfs2_create_inode_in_orphan(struct inode *dir,  in ocfs2_create_inode_in_orphan()
2502 				 struct inode **new_inode)  in ocfs2_create_inode_in_orphan()
2505 	struct inode *inode = NULL;  in ocfs2_create_inode_in_orphan()  local
2506 	struct inode *orphan_dir = NULL;  in ocfs2_create_inode_in_orphan()
2533 	inode = ocfs2_get_init_inode(dir, mode);  in ocfs2_create_inode_in_orphan()
2534 	if (IS_ERR(inode)) {  in ocfs2_create_inode_in_orphan()
2535 		status = PTR_ERR(inode);  in ocfs2_create_inode_in_orphan()
2536 		inode = NULL;  in ocfs2_create_inode_in_orphan()
2549 	status = dquot_alloc_inode(inode);  in ocfs2_create_inode_in_orphan()
2562 	clear_nlink(inode);  in ocfs2_create_inode_in_orphan()
2564 	status = __ocfs2_mknod_locked(dir, inode,  in ocfs2_create_inode_in_orphan()
2573 	status = ocfs2_orphan_add(osb, handle, inode, new_di_bh, orphan_name,  in ocfs2_create_inode_in_orphan()
2581 	status = ocfs2_open_lock(inode);  in ocfs2_create_inode_in_orphan()
2585 	insert_inode_hash(inode);  in ocfs2_create_inode_in_orphan()
2588 		dquot_free_inode(inode);  in ocfs2_create_inode_in_orphan()
2599 	if ((status < 0) && inode) {  in ocfs2_create_inode_in_orphan()
2600 		clear_nlink(inode);  in ocfs2_create_inode_in_orphan()
2601 		iput(inode);  in ocfs2_create_inode_in_orphan()
2610 		*new_inode = inode;  in ocfs2_create_inode_in_orphan()
2620 	struct inode *inode)  in ocfs2_add_inode_to_orphan()  argument
2623 	struct inode *orphan_dir_inode = NULL;  in ocfs2_add_inode_to_orphan()
2630 	status = ocfs2_inode_lock(inode, &di_bh, 1);  in ocfs2_add_inode_to_orphan()
2642 		status = ocfs2_truncate_file(inode, di_bh, i_size_read(inode));  in ocfs2_add_inode_to_orphan()
2649 		status = ocfs2_del_inode_from_orphan(osb, inode, di_bh, 0, 0);  in ocfs2_add_inode_to_orphan()
2657 			OCFS2_I(inode)->ip_blkno,  in ocfs2_add_inode_to_orphan()
2673 	status = ocfs2_orphan_add(osb, handle, inode, di_bh, orphan_name,  in ocfs2_add_inode_to_orphan()
2688 	ocfs2_inode_unlock(inode, 1);  in ocfs2_add_inode_to_orphan()
2696 		struct inode *inode, struct buffer_head *di_bh,  in ocfs2_del_inode_from_orphan()  argument
2699 	struct inode *orphan_dir_inode = NULL;  in ocfs2_del_inode_from_orphan()
2733 				inode, orphan_dir_bh, true);  in ocfs2_del_inode_from_orphan()
2740 			INODE_CACHE(inode),  in ocfs2_del_inode_from_orphan()
2752 		status = ocfs2_set_inode_size(handle, inode, di_bh, end);  in ocfs2_del_inode_from_orphan()
2771 int ocfs2_mv_orphaned_inode_to_new(struct inode *dir,  in ocfs2_mv_orphaned_inode_to_new()
2772 				   struct inode *inode,  in ocfs2_mv_orphaned_inode_to_new()  argument
2780 	struct inode *orphan_dir_inode = NULL;  in ocfs2_mv_orphaned_inode_to_new()
2788 				(unsigned long long)OCFS2_I(inode)->ip_blkno);  in ocfs2_mv_orphaned_inode_to_new()
2837 	status = ocfs2_read_inode_block(inode, &di_bh);  in ocfs2_mv_orphaned_inode_to_new()
2851 	status = ocfs2_journal_access_di(handle, INODE_CACHE(inode),  in ocfs2_mv_orphaned_inode_to_new()
2858 	status = ocfs2_orphan_del(osb, handle, orphan_dir_inode, inode,  in ocfs2_mv_orphaned_inode_to_new()
2868 	set_nlink(inode, 1);  in ocfs2_mv_orphaned_inode_to_new()
2869 	ocfs2_set_links_count(di, inode->i_nlink);  in ocfs2_mv_orphaned_inode_to_new()
2870 	ocfs2_update_inode_fsync_trans(handle, inode, 1);  in ocfs2_mv_orphaned_inode_to_new()
2873 	status = ocfs2_add_entry(handle, dentry, inode,  in ocfs2_mv_orphaned_inode_to_new()
2874 				 OCFS2_I(inode)->ip_blkno, parent_di_bh,  in ocfs2_mv_orphaned_inode_to_new()
2881 	status = ocfs2_dentry_attach_lock(dentry, inode,  in ocfs2_mv_orphaned_inode_to_new()
2888 	d_instantiate(dentry, inode);  in ocfs2_mv_orphaned_inode_to_new()