Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

[linux-2.6-microblaze.git] / fs / nsfs.c

diff --git a/fs/nsfs.c b/fs/nsfs.c
index b13bfd4..4f12057 100644 (file)
--- a/fs/nsfs.c
+++ b/fs/nsfs.c
@@ -247,6 +247,20 @@ out_invalid:
        return ERR_PTR(-EINVAL);
 }
 
+/**
+ * ns_match() - Returns true if current namespace matches dev/ino provided.
+ * @ns_common: current ns
+ * @dev: dev_t from nsfs that will be matched against current nsfs
+ * @ino: ino_t from nsfs that will be matched against current nsfs
+ *
+ * Return: true if dev and ino matches the current nsfs.
+ */
+bool ns_match(const struct ns_common *ns, dev_t dev, ino_t ino)
+{
+       return (ns->inum == ino) && (nsfs_mnt->mnt_sb->s_dev == dev);
+}
+
+
 static int nsfs_show_path(struct seq_file *seq, struct dentry *dentry)
 {
        struct inode *inode = d_inode(dentry);