43 void ocfs2_dentry_attach_gen(struct dentry *dentry)  in ocfs2_dentry_attach_gen()  argument
46 		OCFS2_I(dentry->d_parent->d_inode)->ip_dir_lock_gen;  in ocfs2_dentry_attach_gen()
47 	BUG_ON(dentry->d_inode);  in ocfs2_dentry_attach_gen()
48 	dentry->d_fsdata = (void *)gen;  in ocfs2_dentry_attach_gen()
52 static int ocfs2_dentry_revalidate(struct dentry *dentry,  in ocfs2_dentry_revalidate()  argument
62 	inode = dentry->d_inode;  in ocfs2_dentry_revalidate()
63 	osb = OCFS2_SB(dentry->d_sb);  in ocfs2_dentry_revalidate()
65 	trace_ocfs2_dentry_revalidate(dentry, dentry->d_name.len,  in ocfs2_dentry_revalidate()
66 				      dentry->d_name.name);  in ocfs2_dentry_revalidate()
73 		unsigned long gen = (unsigned long) dentry->d_fsdata;  in ocfs2_dentry_revalidate()
75 			OCFS2_I(dentry->d_parent->d_inode)->ip_dir_lock_gen;  in ocfs2_dentry_revalidate()
77 		trace_ocfs2_dentry_revalidate_negative(dentry->d_name.len,  in ocfs2_dentry_revalidate()
78 						       dentry->d_name.name,  in ocfs2_dentry_revalidate()
115 	if (!dentry->d_fsdata) {  in ocfs2_dentry_revalidate()
129 static int ocfs2_match_dentry(struct dentry *dentry,  in ocfs2_match_dentry()  argument
141 	if (!dentry->d_fsdata)  in ocfs2_match_dentry()
144 	if (!dentry->d_parent)  in ocfs2_match_dentry()
147 	if (skip_unhashed && d_unhashed(dentry))  in ocfs2_match_dentry()
150 	parent = dentry->d_parent->d_inode;  in ocfs2_match_dentry()
169 struct dentry *ocfs2_find_local_alias(struct inode *inode,  in ocfs2_find_local_alias()
174 	struct dentry *dentry = NULL;  in ocfs2_find_local_alias()  local
178 		dentry = list_entry(p, struct dentry, d_alias);  in ocfs2_find_local_alias()
180 		spin_lock(&dentry->d_lock);  in ocfs2_find_local_alias()
181 		if (ocfs2_match_dentry(dentry, parent_blkno, skip_unhashed)) {  in ocfs2_find_local_alias()
182 			trace_ocfs2_find_local_alias(dentry->d_name.len,  in ocfs2_find_local_alias()
183 						     dentry->d_name.name);  in ocfs2_find_local_alias()
185 			dget_dlock(dentry);  in ocfs2_find_local_alias()
186 			spin_unlock(&dentry->d_lock);  in ocfs2_find_local_alias()
189 		spin_unlock(&dentry->d_lock);  in ocfs2_find_local_alias()
191 		dentry = NULL;  in ocfs2_find_local_alias()
196 	return dentry;  in ocfs2_find_local_alias()
233 int ocfs2_dentry_attach_lock(struct dentry *dentry,  in ocfs2_dentry_attach_lock()  argument
238 	struct dentry *alias;  in ocfs2_dentry_attach_lock()
239 	struct ocfs2_dentry_lock *dl = dentry->d_fsdata;  in ocfs2_dentry_attach_lock()
241 	trace_ocfs2_dentry_attach_lock(dentry->d_name.len, dentry->d_name.name,  in ocfs2_dentry_attach_lock()
253 	if (!dentry->d_inode && dentry->d_fsdata) {  in ocfs2_dentry_attach_lock()
256 		dentry->d_fsdata = dl = NULL;  in ocfs2_dentry_attach_lock()
262 				dentry->d_name.len, dentry->d_name.name,  in ocfs2_dentry_attach_lock()
288 				dentry->d_name.len, dentry->d_name.name,  in ocfs2_dentry_attach_lock()
320 	dentry->d_fsdata = dl;  in ocfs2_dentry_attach_lock()
329 	ret = ocfs2_dentry_lock(dentry, 0);  in ocfs2_dentry_attach_lock()
331 		ocfs2_dentry_unlock(dentry, 0);  in ocfs2_dentry_attach_lock()
344 		dentry->d_fsdata = NULL;  in ocfs2_dentry_attach_lock()
455 static void ocfs2_dentry_iput(struct dentry *dentry, struct inode *inode)  in ocfs2_dentry_iput()  argument
457 	struct ocfs2_dentry_lock *dl = dentry->d_fsdata;  in ocfs2_dentry_iput()
464 		if (!(dentry->d_flags & DCACHE_DISCONNECTED) &&  in ocfs2_dentry_iput()
465 		    !d_unhashed(dentry)) {  in ocfs2_dentry_iput()
471 			     ino, dentry->d_flags, dentry->d_name.len,  in ocfs2_dentry_iput()
472 			     dentry->d_name.name);  in ocfs2_dentry_iput()
479 			dentry->d_name.len, dentry->d_name.name,  in ocfs2_dentry_iput()
482 	ocfs2_dentry_lock_put(OCFS2_SB(dentry->d_sb), dl);  in ocfs2_dentry_iput()
507 void ocfs2_dentry_move(struct dentry *dentry, struct dentry *target,  in ocfs2_dentry_move()  argument
512 	struct inode *inode = dentry->d_inode;  in ocfs2_dentry_move()
523 	ocfs2_dentry_lock_put(osb, dentry->d_fsdata);  in ocfs2_dentry_move()
525 	dentry->d_fsdata = NULL;  in ocfs2_dentry_move()
526 	ret = ocfs2_dentry_attach_lock(dentry, inode, OCFS2_I(new_dir)->ip_blkno);  in ocfs2_dentry_move()
531 	d_move(dentry, target);  in ocfs2_dentry_move()