Commit fc22617e authored Oct 21, 2006 by Trond Myklebust Committed by Linus Torvalds Oct 21, 2006

[PATCH] NFS: Cache invalidation fixup

If someone has renamed a directory on the server, triggering the d_move
code in d_materialise_unique(), then we need to invalidate the cached
directory information in the source parent directory.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Miklos Szeredi <miklos@szeredi.hu>
Cc: Maneesh Soni <maneesh@in.ibm.com>
Cc: Dipankar Sarma <dipankar@in.ibm.com>
Cc: Neil Brown <neilb@cse.unsw.edu.au>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

parent 9eaef27b

fs/nfs/dir.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -936,8 +936,14 @@ static struct dentry nfs_lookup(struct inode dir, struct dentry * dentry, stru
		no_entry:
		res = d_materialise_unique(dentry, inode);
		if (res != NULL) {
		struct dentry *parent;
		if (IS_ERR(res))
		goto out_unlock;
		/* Was a directory renamed! */
		parent = dget_parent(res);
		if (!IS_ROOT(parent))
		nfs_mark_for_revalidate(parent->d_inode);
		dput(parent);
		dentry = res;
		}
		nfs_renew_times(dentry);