[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/fs/ocfs2/symlink.c b/src/kernel/linux/v4.14/fs/ocfs2/symlink.c
new file mode 100644
index 0000000..94cfacc
--- /dev/null
+++ b/src/kernel/linux/v4.14/fs/ocfs2/symlink.c
@@ -0,0 +1,95 @@
+/* -*- mode: c; c-basic-offset: 8; -*-
+ * vim: noexpandtab sw=8 ts=8 sts=0:
+ *
+ * linux/cluster/ssi/cfs/symlink.c
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE
+ * or NON INFRINGEMENT. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Questions/Comments/Bugfixes to ssic-linux-devel@lists.sourceforge.net
+ *
+ * Copyright (C) 1992 Rick Sladkey
+ *
+ * Optimization changes Copyright (C) 1994 Florian La Roche
+ *
+ * Jun 7 1999, cache symlink lookups in the page cache. -DaveM
+ *
+ * Portions Copyright (C) 2001 Compaq Computer Corporation
+ *
+ * ocfs2 symlink handling code.
+ *
+ * Copyright (C) 2004, 2005 Oracle.
+ *
+ */
+
+#include <linux/fs.h>
+#include <linux/types.h>
+#include <linux/slab.h>
+#include <linux/pagemap.h>
+#include <linux/namei.h>
+
+#include <cluster/masklog.h>
+
+#include "ocfs2.h"
+
+#include "alloc.h"
+#include "file.h"
+#include "inode.h"
+#include "journal.h"
+#include "symlink.h"
+#include "xattr.h"
+
+#include "buffer_head_io.h"
+
+
+static int ocfs2_fast_symlink_readpage(struct file *unused, struct page *page)
+{
+ struct inode *inode = page->mapping->host;
+ struct buffer_head *bh = NULL;
+ int status = ocfs2_read_inode_block(inode, &bh);
+ struct ocfs2_dinode *fe;
+ const char *link;
+ void *kaddr;
+ size_t len;
+
+ if (status < 0) {
+ mlog_errno(status);
+ return status;
+ }
+
+ fe = (struct ocfs2_dinode *) bh->b_data;
+ link = (char *) fe->id2.i_symlink;
+ /* will be less than a page size */
+ len = strnlen(link, ocfs2_fast_symlink_chars(inode->i_sb));
+ kaddr = kmap_atomic(page);
+ memcpy(kaddr, link, len + 1);
+ kunmap_atomic(kaddr);
+ SetPageUptodate(page);
+ unlock_page(page);
+ brelse(bh);
+ return 0;
+}
+
+const struct address_space_operations ocfs2_fast_symlink_aops = {
+ .readpage = ocfs2_fast_symlink_readpage,
+};
+
+const struct inode_operations ocfs2_symlink_inode_operations = {
+ .get_link = page_get_link,
+ .getattr = ocfs2_getattr,
+ .setattr = ocfs2_setattr,
+ .listxattr = ocfs2_listxattr,
+ .fiemap = ocfs2_fiemap,
+};