The patch titled
NFS: Cache invalidation fixup
has been added to the -mm tree. Its filename is
nfs-cache-invalidation-fixup.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: NFS: Cache invalidation fixup
From: Trond Myklebust <Trond.Myklebust@xxxxxxxxxx>
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@xxxxxxxxxx>
Cc: Miklos Szeredi <miklos@xxxxxxxxxx>
Cc: Maneesh Soni <maneesh@xxxxxxxxxx>
Cc: Dipankar Sarma <dipankar@xxxxxxxxxx>
Cc: Neil Brown <neilb@xxxxxxxxxxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
fs/nfs/dir.c | 6 ++++++
1 file changed, 6 insertions(+)
diff -puN fs/nfs/dir.c~nfs-cache-invalidation-fixup fs/nfs/dir.c
--- a/fs/nfs/dir.c~nfs-cache-invalidation-fixup
+++ a/fs/nfs/dir.c
@@ -936,8 +936,14 @@ static struct dentry *nfs_lookup(struct
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);
_
Patches currently in -mm which might be from Trond.Myklebust@xxxxxxxxxx are
nfsv4-fix-thinko-in-fs-nfs-superc.patch
nfs-fix-oops-in-nfs_cancel_commit_list.patch
nfs-fix-error-handling-in-nfs_direct_write_result.patch
nfs4-initialize-cl_ipaddr.patch
nfs-fix-nfsv4-callback-regression.patch
nfs-deal-with-failure-of-invalidate_inode_pages2.patch
nfs-fix-minor-bug-in-new-nfs-symlink-code.patch
nfs-__nfs_revalidate_inode-can-use-inode-before.patch
nfs-remove-unused-check-in-nfs4_open_revalidate.patch
sunrpc-fix-race-in-in-kernel-rpc-portmapper-client.patch
sunrpc-fix-a-typo.patch
vfs-make-d_materialise_unique-enforce-directory.patch
nfs-cache-invalidation-fixup.patch
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