nfs: fix oops re sysctls and V4 support

[linux-2.6-omap-h63xx.git] / fs / jfs / namei.c

diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
index 25161c4121e4ba4f677bd1ed73abc8dcbc003d3d..932797ba433b0b5d2ac1a4c06f122564990049d0 100644 (file)
--- a/fs/jfs/namei.c
+++ b/fs/jfs/namei.c
@@ -1477,6 +1477,38 @@ static struct dentry *jfs_lookup(struct inode *dip, struct dentry *dentry, struc
        return dentry;
 }
 
+struct dentry *jfs_get_dentry(struct super_block *sb, void *vobjp)
+{
+       __u32 *objp = vobjp;
+       unsigned long ino = objp[0];
+       __u32 generation = objp[1];
+       struct inode *inode;
+       struct dentry *result;
+
+       if (ino == 0)
+               return ERR_PTR(-ESTALE);
+       inode = iget(sb, ino);
+       if (inode == NULL)
+               return ERR_PTR(-ENOMEM);
+
+       if (is_bad_inode(inode) ||
+           (generation && inode->i_generation != generation)) {
+               result = ERR_PTR(-ESTALE);
+               goto out_iput;
+       }
+
+       result = d_alloc_anon(inode);
+       if (!result) {
+               result = ERR_PTR(-ENOMEM);
+               goto out_iput;
+       }
+       return result;
+
+ out_iput:
+       iput(inode);
+       return result;
+}
+
 struct dentry *jfs_get_parent(struct dentry *dentry)
 {
        struct super_block *sb = dentry->d_inode->i_sb;