list.h: new helper - hlist_add_fake()

Make node look as if it was on hlist, with hlist_del()
working correctly.  Usable without any locking...

Convert a couple of places where we want to do that to
inode->i_hash.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2010-10-23 15:23:40 -04:00
parent 1d3382cbf0
commit 756acc2d61
3 changed files with 8 additions and 2 deletions
+1 -1
View File
@@ -211,7 +211,7 @@ static struct dentry *hfsplus_file_lookup(struct inode *dir, struct dentry *dent
* appear hashed, but do not put on any lists. hlist_del()
* will work fine and require no locking.
*/
inode->i_hash.pprev = &inode->i_hash.next;
hlist_add_fake(&inode->i_hash);
mark_inode_dirty(inode);
out:
+1 -1
View File
@@ -497,7 +497,7 @@ struct inode *diReadSpecial(struct super_block *sb, ino_t inum, int secondary)
* appear hashed, but do not put on any lists. hlist_del()
* will work fine and require no locking.
*/
ip->i_hash.pprev = &ip->i_hash.next;
hlist_add_fake(&ip->i_hash);
return (ip);
}