Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / fs / ext2 / symlink.c

diff --git a/kernel/fs/ext2/symlink.c b/kernel/fs/ext2/symlink.c
new file mode 100644 (file)
index 0000000..20608f1
--- /dev/null
+++ b/kernel/fs/ext2/symlink.c
@@ -0,0 +1,54 @@
+/*
+ *  linux/fs/ext2/symlink.c
+ *
+ * Only fast symlinks left here - the rest is done by generic code. AV, 1999
+ *
+ * Copyright (C) 1992, 1993, 1994, 1995
+ * Remy Card (card@masi.ibp.fr)
+ * Laboratoire MASI - Institut Blaise Pascal
+ * Universite Pierre et Marie Curie (Paris VI)
+ *
+ *  from
+ *
+ *  linux/fs/minix/symlink.c
+ *
+ *  Copyright (C) 1991, 1992  Linus Torvalds
+ *
+ *  ext2 symlink handling code
+ */
+
+#include "ext2.h"
+#include "xattr.h"
+#include <linux/namei.h>
+
+static void *ext2_follow_link(struct dentry *dentry, struct nameidata *nd)
+{
+       struct ext2_inode_info *ei = EXT2_I(d_inode(dentry));
+       nd_set_link(nd, (char *)ei->i_data);
+       return NULL;
+}
+
+const struct inode_operations ext2_symlink_inode_operations = {
+       .readlink       = generic_readlink,
+       .follow_link    = page_follow_link_light,
+       .put_link       = page_put_link,
+       .setattr        = ext2_setattr,
+#ifdef CONFIG_EXT2_FS_XATTR
+       .setxattr       = generic_setxattr,
+       .getxattr       = generic_getxattr,
+       .listxattr      = ext2_listxattr,
+       .removexattr    = generic_removexattr,
+#endif
+};
+ 
+const struct inode_operations ext2_fast_symlink_inode_operations = {
+       .readlink       = generic_readlink,
+       .follow_link    = ext2_follow_link,
+       .setattr        = ext2_setattr,
+#ifdef CONFIG_EXT2_FS_XATTR
+       .setxattr       = generic_setxattr,
+       .getxattr       = generic_getxattr,
+       .listxattr      = ext2_listxattr,
+       .removexattr    = generic_removexattr,
+#endif
+};