28 void ocfs2_dentry_attach_gen(struct dentry *dentry)  in ocfs2_dentry_attach_gen()  argument
31 		OCFS2_I(d_inode(dentry->d_parent))->ip_dir_lock_gen;  in ocfs2_dentry_attach_gen()
32 	BUG_ON(d_inode(dentry));  in ocfs2_dentry_attach_gen()
33 	dentry->d_fsdata = (void *)gen;  in ocfs2_dentry_attach_gen()
37 static int ocfs2_dentry_revalidate(struct dentry *dentry, unsigned int flags)  in ocfs2_dentry_revalidate()  argument
46 	inode = d_inode(dentry);  in ocfs2_dentry_revalidate()
47 	osb = OCFS2_SB(dentry->d_sb);  in ocfs2_dentry_revalidate()
49 	trace_ocfs2_dentry_revalidate(dentry, dentry->d_name.len,  in ocfs2_dentry_revalidate()
50 				      dentry->d_name.name);  in ocfs2_dentry_revalidate()
57 		unsigned long gen = (unsigned long) dentry->d_fsdata;  in ocfs2_dentry_revalidate()
59 		spin_lock(&dentry->d_lock);  in ocfs2_dentry_revalidate()
60 		pgen = OCFS2_I(d_inode(dentry->d_parent))->ip_dir_lock_gen;  in ocfs2_dentry_revalidate()
61 		spin_unlock(&dentry->d_lock);  in ocfs2_dentry_revalidate()
62 		trace_ocfs2_dentry_revalidate_negative(dentry->d_name.len,  in ocfs2_dentry_revalidate()
63 						       dentry->d_name.name,  in ocfs2_dentry_revalidate()
100 	if (!dentry->d_fsdata) {  in ocfs2_dentry_revalidate()
114 static int ocfs2_match_dentry(struct dentry *dentry,  in ocfs2_match_dentry()  argument
126 	if (!dentry->d_fsdata)  in ocfs2_match_dentry()
129 	if (!dentry->d_parent)  in ocfs2_match_dentry()
132 	if (skip_unhashed && d_unhashed(dentry))  in ocfs2_match_dentry()
135 	parent = d_inode(dentry->d_parent);  in ocfs2_match_dentry()
154 struct dentry *ocfs2_find_local_alias(struct inode *inode,  in ocfs2_find_local_alias()
158 	struct dentry *dentry;  in ocfs2_find_local_alias()  local
161 	hlist_for_each_entry(dentry, &inode->i_dentry, d_u.d_alias) {  in ocfs2_find_local_alias()
162 		spin_lock(&dentry->d_lock);  in ocfs2_find_local_alias()
163 		if (ocfs2_match_dentry(dentry, parent_blkno, skip_unhashed)) {  in ocfs2_find_local_alias()
164 			trace_ocfs2_find_local_alias(dentry->d_name.len,  in ocfs2_find_local_alias()
165 						     dentry->d_name.name);  in ocfs2_find_local_alias()
167 			dget_dlock(dentry);  in ocfs2_find_local_alias()
168 			spin_unlock(&dentry->d_lock);  in ocfs2_find_local_alias()
170 			return dentry;  in ocfs2_find_local_alias()
172 		spin_unlock(&dentry->d_lock);  in ocfs2_find_local_alias()
212 int ocfs2_dentry_attach_lock(struct dentry *dentry,  in ocfs2_dentry_attach_lock()  argument
217 	struct dentry *alias;  in ocfs2_dentry_attach_lock()
218 	struct ocfs2_dentry_lock *dl = dentry->d_fsdata;  in ocfs2_dentry_attach_lock()
220 	trace_ocfs2_dentry_attach_lock(dentry->d_name.len, dentry->d_name.name,  in ocfs2_dentry_attach_lock()
232 	if (d_really_is_negative(dentry) && dentry->d_fsdata) {  in ocfs2_dentry_attach_lock()
235 		dentry->d_fsdata = dl = NULL;  in ocfs2_dentry_attach_lock()
241 				dentry,  in ocfs2_dentry_attach_lock()
267 				dentry,  in ocfs2_dentry_attach_lock()
299 	if (unlikely(dentry->d_fsdata && !alias)) {  in ocfs2_dentry_attach_lock()
311 	dentry->d_fsdata = dl;  in ocfs2_dentry_attach_lock()
320 	ret = ocfs2_dentry_lock(dentry, 0);  in ocfs2_dentry_attach_lock()
322 		ocfs2_dentry_unlock(dentry, 0);  in ocfs2_dentry_attach_lock()
335 		dentry->d_fsdata = NULL;  in ocfs2_dentry_attach_lock()
392 static void ocfs2_dentry_iput(struct dentry *dentry, struct inode *inode)  in ocfs2_dentry_iput()  argument
394 	struct ocfs2_dentry_lock *dl = dentry->d_fsdata;  in ocfs2_dentry_iput()
401 		if (!(dentry->d_flags & DCACHE_DISCONNECTED) &&  in ocfs2_dentry_iput()
402 		    !d_unhashed(dentry)) {  in ocfs2_dentry_iput()
408 			     ino, dentry->d_flags, dentry);  in ocfs2_dentry_iput()
415 			dentry, dl->dl_count);  in ocfs2_dentry_iput()
417 	ocfs2_dentry_lock_put(OCFS2_SB(dentry->d_sb), dl);  in ocfs2_dentry_iput()
442 void ocfs2_dentry_move(struct dentry *dentry, struct dentry *target,  in ocfs2_dentry_move()  argument
447 	struct inode *inode = d_inode(dentry);  in ocfs2_dentry_move()
458 	ocfs2_dentry_lock_put(osb, dentry->d_fsdata);  in ocfs2_dentry_move()
460 	dentry->d_fsdata = NULL;  in ocfs2_dentry_move()
461 	ret = ocfs2_dentry_attach_lock(dentry, inode, OCFS2_I(new_dir)->ip_blkno);  in ocfs2_dentry_move()
466 	d_move(dentry, target);  in ocfs2_dentry_move()