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);
112 static struct dentry *ocfs2_lookup(struct inode *dir, struct dentry *dentry,  in ocfs2_lookup()
117 	struct inode *inode = NULL;  in ocfs2_lookup()  local
143 	inode = ocfs2_iget(OCFS2_SB(dir->i_sb), blkno, 0, 0);  in ocfs2_lookup()
144 	if (IS_ERR(inode)) {  in ocfs2_lookup()
149 	oi = OCFS2_I(inode);  in ocfs2_lookup()
160 	ret = d_splice_alias(inode, dentry);  in ocfs2_lookup()
162 	if (inode) {  in ocfs2_lookup()
176 		status = ocfs2_dentry_attach_lock(dentry, inode,  in ocfs2_lookup()
200 static struct inode *ocfs2_get_init_inode(struct inode *dir, umode_t mode)  in ocfs2_get_init_inode()
202 	struct inode *inode;  in ocfs2_get_init_inode()  local
204 	inode = new_inode(dir->i_sb);  in ocfs2_get_init_inode()
205 	if (!inode) {  in ocfs2_get_init_inode()
214 		set_nlink(inode, 2);  in ocfs2_get_init_inode()
215 	inode_init_owner(inode, dir, mode);  in ocfs2_get_init_inode()
216 	dquot_initialize(inode);  in ocfs2_get_init_inode()
217 	return inode;  in ocfs2_get_init_inode()
221 		struct dentry *dentry, struct inode *inode)  in ocfs2_cleanup_add_entry_failure()  argument
232 	iput(inode);  in ocfs2_cleanup_add_entry_failure()
235 static int ocfs2_mknod(struct inode *dir,  in ocfs2_mknod()
246 	struct inode *inode = NULL;  in ocfs2_mknod()  local
312 	inode = ocfs2_get_init_inode(dir, mode);  in ocfs2_mknod()
313 	if (!inode) {  in ocfs2_mknod()
320 	status = ocfs2_init_security_get(inode, dir, &dentry->d_name, &si);  in ocfs2_mknod()
376 	status = dquot_alloc_inode(inode);  in ocfs2_mknod()
382 	status = ocfs2_mknod_locked(osb, dir, inode, dev,  in ocfs2_mknod()
391 		status = ocfs2_fill_new_dir(osb, handle, dir, inode,  in ocfs2_mknod()
410 	status = ocfs2_init_acl(handle, inode, dir, new_fe_bh, parent_fe_bh,  in ocfs2_mknod()
419 		status = ocfs2_init_security_set(handle, inode, new_fe_bh, &si,  in ocfs2_mknod()
432 	status = ocfs2_dentry_attach_lock(dentry, inode,  in ocfs2_mknod()
441 	status = ocfs2_add_entry(handle, dentry, inode,  in ocfs2_mknod()
442 				 OCFS2_I(inode)->ip_blkno, parent_fe_bh,  in ocfs2_mknod()
449 	insert_inode_hash(inode);  in ocfs2_mknod()
450 	d_instantiate(dentry, inode);  in ocfs2_mknod()
454 		dquot_free_inode(inode);  in ocfs2_mknod()
482 	if ((status < 0) && inode) {  in ocfs2_mknod()
484 			ocfs2_cleanup_add_entry_failure(osb, dentry, inode);  in ocfs2_mknod()
486 		OCFS2_I(inode)->ip_flags |= OCFS2_INODE_SKIP_ORPHAN_DIR;  in ocfs2_mknod()
487 		clear_nlink(inode);  in ocfs2_mknod()
488 		iput(inode);  in ocfs2_mknod()
497 static int __ocfs2_mknod_locked(struct inode *dir,  in __ocfs2_mknod_locked()
498 				struct inode *inode,  in __ocfs2_mknod_locked()  argument
511 	struct ocfs2_inode_info *oi = OCFS2_I(inode);  in __ocfs2_mknod_locked()
518 	inode->i_ino = ino_from_blkno(osb->sb, fe_blkno);  in __ocfs2_mknod_locked()
519 	OCFS2_I(inode)->ip_blkno = fe_blkno;  in __ocfs2_mknod_locked()
521 	inode->i_generation = osb->s_next_generation++;  in __ocfs2_mknod_locked()
530 	ocfs2_set_new_buffer_uptodate(INODE_CACHE(inode), *new_fe_bh);  in __ocfs2_mknod_locked()
532 	status = ocfs2_journal_access_di(handle, INODE_CACHE(inode),  in __ocfs2_mknod_locked()
543 	fe->i_generation = cpu_to_le32(inode->i_generation);  in __ocfs2_mknod_locked()
549 	fe->i_uid = cpu_to_le32(i_uid_read(inode));  in __ocfs2_mknod_locked()
550 	fe->i_gid = cpu_to_le32(i_gid_read(inode));  in __ocfs2_mknod_locked()
551 	fe->i_mode = cpu_to_le16(inode->i_mode);  in __ocfs2_mknod_locked()
552 	if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode))  in __ocfs2_mknod_locked()
555 	ocfs2_set_links_count(fe, inode->i_nlink);  in __ocfs2_mknod_locked()
571 	if (S_ISDIR(inode->i_mode) && ocfs2_supports_inline_data(osb)) {  in __ocfs2_mknod_locked()
585 	ocfs2_populate_inode(inode, fe, 1);  in __ocfs2_mknod_locked()
586 	ocfs2_ci_set_new(osb, INODE_CACHE(inode));  in __ocfs2_mknod_locked()
588 		status = ocfs2_create_new_inode_locks(inode);  in __ocfs2_mknod_locked()
610 			      struct inode *dir,  in ocfs2_mknod_locked()
611 			      struct inode *inode,  in ocfs2_mknod_locked()  argument
632 	return __ocfs2_mknod_locked(dir, inode, dev, new_fe_bh,  in ocfs2_mknod_locked()
637 static int ocfs2_mkdir(struct inode *dir,  in ocfs2_mkdir()
652 static int ocfs2_create(struct inode *dir,  in ocfs2_create()
669 		      struct inode *dir,  in ocfs2_link()
673 	struct inode *inode = d_inode(old_dentry);  in ocfs2_link()  local
674 	struct inode *old_dir = d_inode(old_dentry->d_parent);  in ocfs2_link()
685 	trace_ocfs2_link((unsigned long long)OCFS2_I(inode)->ip_blkno,  in ocfs2_link()
689 	if (S_ISDIR(inode->i_mode))  in ocfs2_link()
731 	if (old_de_ino != OCFS2_I(inode)->ip_blkno) {  in ocfs2_link()
749 	err = ocfs2_inode_lock(inode, &fe_bh, 1);  in ocfs2_link()
773 	err = ocfs2_journal_access_di(handle, INODE_CACHE(inode), fe_bh,  in ocfs2_link()
780 	inc_nlink(inode);  in ocfs2_link()
781 	inode->i_ctime = CURRENT_TIME;  in ocfs2_link()
782 	ocfs2_set_links_count(fe, inode->i_nlink);  in ocfs2_link()
783 	fe->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec);  in ocfs2_link()
784 	fe->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec);  in ocfs2_link()
787 	err = ocfs2_add_entry(handle, dentry, inode,  in ocfs2_link()
788 			      OCFS2_I(inode)->ip_blkno,  in ocfs2_link()
792 		drop_nlink(inode);  in ocfs2_link()
797 	err = ocfs2_dentry_attach_lock(dentry, inode, OCFS2_I(dir)->ip_blkno);  in ocfs2_link()
803 	ihold(inode);  in ocfs2_link()
804 	d_instantiate(dentry, inode);  in ocfs2_link()
810 	ocfs2_inode_unlock(inode, 1);  in ocfs2_link()
844 static inline int ocfs2_inode_is_unlinkable(struct inode *inode)  in ocfs2_inode_is_unlinkable()  argument
846 	if (S_ISDIR(inode->i_mode)) {  in ocfs2_inode_is_unlinkable()
847 		if (inode->i_nlink == 2)  in ocfs2_inode_is_unlinkable()
852 	if (inode->i_nlink == 1)  in ocfs2_inode_is_unlinkable()
857 static int ocfs2_unlink(struct inode *dir,  in ocfs2_unlink()
863 	struct inode *inode = d_inode(dentry);  in ocfs2_unlink()  local
864 	struct inode *orphan_dir = NULL;  in ocfs2_unlink()
878 			   (unsigned long long)OCFS2_I(inode)->ip_blkno);  in ocfs2_unlink()
884 	if (inode == osb->root_inode)  in ocfs2_unlink()
904 	if (OCFS2_I(inode)->ip_blkno != blkno) {  in ocfs2_unlink()
908 				(unsigned long long)OCFS2_I(inode)->ip_blkno,  in ocfs2_unlink()
910 				OCFS2_I(inode)->ip_flags);  in ocfs2_unlink()
914 	status = ocfs2_inode_lock(inode, &fe_bh, 1);  in ocfs2_unlink()
922 	if (S_ISDIR(inode->i_mode)) {  in ocfs2_unlink()
923 		if (inode->i_nlink != 2 || !ocfs2_empty_dir(inode)) {  in ocfs2_unlink()
937 	if (ocfs2_inode_is_unlinkable(inode)) {  in ocfs2_unlink()
939 						  OCFS2_I(inode)->ip_blkno,  in ocfs2_unlink()
957 	status = ocfs2_journal_access_di(handle, INODE_CACHE(inode), fe_bh,  in ocfs2_unlink()
973 	if (S_ISDIR(inode->i_mode))  in ocfs2_unlink()
974 		drop_nlink(inode);  in ocfs2_unlink()
975 	drop_nlink(inode);  in ocfs2_unlink()
976 	ocfs2_set_links_count(fe, inode->i_nlink);  in ocfs2_unlink()
980 	if (S_ISDIR(inode->i_mode))  in ocfs2_unlink()
986 		if (S_ISDIR(inode->i_mode))  in ocfs2_unlink()
992 		status = ocfs2_orphan_add(osb, handle, inode, fe_bh,  in ocfs2_unlink()
1003 		ocfs2_inode_unlock(inode, 1);  in ocfs2_unlink()
1032 	struct inode *child_inode;  in ocfs2_check_if_ancestor()
1091 			     struct inode *inode1,  in ocfs2_double_lock()
1093 			     struct inode *inode2,  in ocfs2_double_lock()
1101 	struct inode *tmpinode;  in ocfs2_double_lock()
1178 static void ocfs2_double_unlock(struct inode *inode1, struct inode *inode2)  in ocfs2_double_unlock()
1186 static int ocfs2_rename(struct inode *old_dir,  in ocfs2_rename()
1188 			struct inode *new_dir,  in ocfs2_rename()
1193 	struct inode *old_inode = d_inode(old_dentry);  in ocfs2_rename()
1194 	struct inode *new_inode = d_inode(new_dentry);  in ocfs2_rename()
1195 	struct inode *orphan_dir = NULL;  in ocfs2_rename()
1650 				     struct inode *inode,  in ocfs2_create_symlink_data()  argument
1659 	bytes_left = i_size_read(inode) + 1;  in ocfs2_create_symlink_data()
1664 	trace_ocfs2_create_symlink_data((unsigned long long)inode->i_blocks,  in ocfs2_create_symlink_data()
1665 					i_size_read(inode), blocks);  in ocfs2_create_symlink_data()
1669 	    ocfs2_clusters_to_bytes(sb, OCFS2_I(inode)->ip_clusters)) {  in ocfs2_create_symlink_data()
1682 	status = ocfs2_extent_map_get_blocks(inode, 0, &p_blkno, &p_blocks,  in ocfs2_create_symlink_data()
1708 		ocfs2_set_new_buffer_uptodate(INODE_CACHE(inode),  in ocfs2_create_symlink_data()
1711 		status = ocfs2_journal_access(handle, INODE_CACHE(inode),  in ocfs2_create_symlink_data()
1746 static int ocfs2_symlink(struct inode *dir,  in ocfs2_symlink()
1753 	struct inode *inode = NULL;  in ocfs2_symlink()  local
1821 	inode = ocfs2_get_init_inode(dir, S_IFLNK | S_IRWXUGO);  in ocfs2_symlink()
1822 	if (!inode) {  in ocfs2_symlink()
1829 	status = ocfs2_init_security_get(inode, dir, &dentry->d_name, &si);  in ocfs2_symlink()
1872 	status = dquot_alloc_inode(inode);  in ocfs2_symlink()
1880 				   inode->i_mode);  in ocfs2_symlink()
1882 	status = ocfs2_mknod_locked(osb, dir, inode,  in ocfs2_symlink()
1891 	inode->i_rdev = 0;  in ocfs2_symlink()
1893 	inode->i_op = &ocfs2_symlink_inode_operations;  in ocfs2_symlink()
1897 		status = dquot_alloc_space_nodirty(inode,  in ocfs2_symlink()
1902 		inode->i_mapping->a_ops = &ocfs2_aops;  in ocfs2_symlink()
1903 		status = ocfs2_add_inode_data(osb, inode, &offset, 1, 0,  in ocfs2_symlink()
1917 		i_size_write(inode, newsize);  in ocfs2_symlink()
1918 		inode->i_blocks = ocfs2_inode_sector_count(inode);  in ocfs2_symlink()
1920 		inode->i_mapping->a_ops = &ocfs2_fast_symlink_aops;  in ocfs2_symlink()
1922 		i_size_write(inode, newsize);  in ocfs2_symlink()
1923 		inode->i_blocks = 0;  in ocfs2_symlink()
1926 	status = ocfs2_mark_inode_dirty(handle, inode, new_fe_bh);  in ocfs2_symlink()
1932 	if (!ocfs2_inode_is_fast_symlink(inode)) {  in ocfs2_symlink()
1933 		status = ocfs2_create_symlink_data(osb, handle, inode,  in ocfs2_symlink()
1942 		status = ocfs2_init_security_set(handle, inode, new_fe_bh, &si,  in ocfs2_symlink()
1955 	status = ocfs2_dentry_attach_lock(dentry, inode, OCFS2_I(dir)->ip_blkno);  in ocfs2_symlink()
1963 	status = ocfs2_add_entry(handle, dentry, inode,  in ocfs2_symlink()
1971 	insert_inode_hash(inode);  in ocfs2_symlink()
1972 	d_instantiate(dentry, inode);  in ocfs2_symlink()
1975 		dquot_free_space_nodirty(inode,  in ocfs2_symlink()
1978 		dquot_free_inode(inode);  in ocfs2_symlink()
1996 	if ((status < 0) && inode) {  in ocfs2_symlink()
1998 			ocfs2_cleanup_add_entry_failure(osb, dentry, inode);  in ocfs2_symlink()
2000 		OCFS2_I(inode)->ip_flags |= OCFS2_INODE_SKIP_ORPHAN_DIR;  in ocfs2_symlink()
2001 		clear_nlink(inode);  in ocfs2_symlink()
2002 		iput(inode);  in ocfs2_symlink()
2041 					struct inode **ret_orphan_dir,  in ocfs2_lookup_lock_orphan_dir()
2044 	struct inode *orphan_dir_inode;  in ocfs2_lookup_lock_orphan_dir()
2074 static int __ocfs2_prepare_orphan_dir(struct inode *orphan_dir_inode,  in __ocfs2_prepare_orphan_dir()
2131 				    struct inode **ret_orphan_dir,  in ocfs2_prepare_orphan_dir()
2137 	struct inode *orphan_dir_inode = NULL;  in ocfs2_prepare_orphan_dir()
2173 			    struct inode *inode,  in ocfs2_orphan_add()  argument
2177 			    struct inode *orphan_dir_inode,  in ocfs2_orphan_add()
2189 				(unsigned long long)OCFS2_I(inode)->ip_blkno);  in ocfs2_orphan_add()
2213 					 INODE_CACHE(inode),  in ocfs2_orphan_add()
2224 	if (S_ISDIR(inode->i_mode))  in ocfs2_orphan_add()
2230 				   namelen, inode,  in ocfs2_orphan_add()
2231 				   OCFS2_I(inode)->ip_blkno,  in ocfs2_orphan_add()
2246 		OCFS2_I(inode)->ip_flags &= ~OCFS2_INODE_SKIP_ORPHAN_DIR;  in ocfs2_orphan_add()
2256 	trace_ocfs2_orphan_add_end((unsigned long long)OCFS2_I(inode)->ip_blkno,  in ocfs2_orphan_add()
2261 		if (S_ISDIR(inode->i_mode))  in ocfs2_orphan_add()
2275 		     struct inode *orphan_dir_inode,  in ocfs2_orphan_del()
2276 		     struct inode *inode,  in ocfs2_orphan_del()  argument
2295 		status = ocfs2_blkno_stringify(OCFS2_I(inode)->ip_blkno,  in ocfs2_orphan_del()
2298 		status = ocfs2_blkno_stringify(OCFS2_I(inode)->ip_blkno, name);  in ocfs2_orphan_del()
2334 	if (S_ISDIR(inode->i_mode))  in ocfs2_orphan_del()
2372 static int ocfs2_prep_new_orphaned_file(struct inode *dir,  in ocfs2_prep_new_orphaned_file()
2375 					struct inode **ret_orphan_dir,  in ocfs2_prep_new_orphaned_file()
2383 	struct inode *orphan_dir = NULL;  in ocfs2_prep_new_orphaned_file()
2441 int ocfs2_create_inode_in_orphan(struct inode *dir,  in ocfs2_create_inode_in_orphan()
2443 				 struct inode **new_inode)  in ocfs2_create_inode_in_orphan()
2446 	struct inode *inode = NULL;  in ocfs2_create_inode_in_orphan()  local
2447 	struct inode *orphan_dir = NULL;  in ocfs2_create_inode_in_orphan()
2475 	inode = ocfs2_get_init_inode(dir, mode);  in ocfs2_create_inode_in_orphan()
2476 	if (!inode) {  in ocfs2_create_inode_in_orphan()
2490 	status = dquot_alloc_inode(inode);  in ocfs2_create_inode_in_orphan()
2503 	clear_nlink(inode);  in ocfs2_create_inode_in_orphan()
2505 	status = __ocfs2_mknod_locked(dir, inode,  in ocfs2_create_inode_in_orphan()
2515 	status = ocfs2_orphan_add(osb, handle, inode, new_di_bh, orphan_name,  in ocfs2_create_inode_in_orphan()
2523 	status = ocfs2_open_lock(inode);  in ocfs2_create_inode_in_orphan()
2527 	insert_inode_hash(inode);  in ocfs2_create_inode_in_orphan()
2530 		dquot_free_inode(inode);  in ocfs2_create_inode_in_orphan()
2541 	if ((status < 0) && inode) {  in ocfs2_create_inode_in_orphan()
2542 		clear_nlink(inode);  in ocfs2_create_inode_in_orphan()
2543 		iput(inode);  in ocfs2_create_inode_in_orphan()
2552 		*new_inode = inode;  in ocfs2_create_inode_in_orphan()
2561 static int ocfs2_dio_orphan_recovered(struct inode *inode)  in ocfs2_dio_orphan_recovered()  argument
2567 	ret = ocfs2_inode_lock(inode, &di_bh, 1);  in ocfs2_dio_orphan_recovered()
2575 	ocfs2_inode_unlock(inode, 1);  in ocfs2_dio_orphan_recovered()
2583 	struct inode *inode)  in ocfs2_add_inode_to_orphan()  argument
2586 	struct inode *orphan_dir_inode = NULL;  in ocfs2_add_inode_to_orphan()
2594 	status = ocfs2_inode_lock(inode, &di_bh, 1);  in ocfs2_add_inode_to_orphan()
2606 		ocfs2_inode_unlock(inode, 1);  in ocfs2_add_inode_to_orphan()
2608 		wait_event_interruptible_timeout(OCFS2_I(inode)->append_dio_wq,  in ocfs2_add_inode_to_orphan()
2609 				ocfs2_dio_orphan_recovered(inode),  in ocfs2_add_inode_to_orphan()
2615 			OCFS2_I(inode)->ip_blkno,  in ocfs2_add_inode_to_orphan()
2631 	status = ocfs2_orphan_add(osb, handle, inode, di_bh, orphan_name,  in ocfs2_add_inode_to_orphan()
2646 	ocfs2_inode_unlock(inode, 1);  in ocfs2_add_inode_to_orphan()
2654 		struct inode *inode, int update_isize,  in ocfs2_del_inode_from_orphan()  argument
2657 	struct inode *orphan_dir_inode = NULL;  in ocfs2_del_inode_from_orphan()
2664 	status = ocfs2_inode_lock(inode, &di_bh, 1);  in ocfs2_del_inode_from_orphan()
2699 				inode, orphan_dir_bh, true);  in ocfs2_del_inode_from_orphan()
2706 			INODE_CACHE(inode),  in ocfs2_del_inode_from_orphan()
2718 		status = ocfs2_set_inode_size(handle, inode, di_bh, end);  in ocfs2_del_inode_from_orphan()
2734 	ocfs2_inode_unlock(inode, 1);  in ocfs2_del_inode_from_orphan()
2741 int ocfs2_mv_orphaned_inode_to_new(struct inode *dir,  in ocfs2_mv_orphaned_inode_to_new()
2742 				   struct inode *inode,  in ocfs2_mv_orphaned_inode_to_new()  argument
2750 	struct inode *orphan_dir_inode = NULL;  in ocfs2_mv_orphaned_inode_to_new()
2758 				(unsigned long long)OCFS2_I(inode)->ip_blkno);  in ocfs2_mv_orphaned_inode_to_new()
2807 	status = ocfs2_read_inode_block(inode, &di_bh);  in ocfs2_mv_orphaned_inode_to_new()
2821 	status = ocfs2_journal_access_di(handle, INODE_CACHE(inode),  in ocfs2_mv_orphaned_inode_to_new()
2828 	status = ocfs2_orphan_del(osb, handle, orphan_dir_inode, inode,  in ocfs2_mv_orphaned_inode_to_new()
2838 	set_nlink(inode, 1);  in ocfs2_mv_orphaned_inode_to_new()
2839 	ocfs2_set_links_count(di, inode->i_nlink);  in ocfs2_mv_orphaned_inode_to_new()
2840 	ocfs2_update_inode_fsync_trans(handle, inode, 1);  in ocfs2_mv_orphaned_inode_to_new()
2843 	status = ocfs2_add_entry(handle, dentry, inode,  in ocfs2_mv_orphaned_inode_to_new()
2844 				 OCFS2_I(inode)->ip_blkno, parent_di_bh,  in ocfs2_mv_orphaned_inode_to_new()
2851 	status = ocfs2_dentry_attach_lock(dentry, inode,  in ocfs2_mv_orphaned_inode_to_new()
2858 	d_instantiate(dentry, inode);  in ocfs2_mv_orphaned_inode_to_new()