1 files changed, 60 insertions, 0 deletions

diff --git a/fs/efs/file.c b/fs/efs/file.c
new file mode 100644
index 00000000000..5db20129681
--- /dev/null
+++ b/fs/efs/file.c
@@ -0,0 +1,60 @@
+/*
+ * file.c
+ *
+ * Copyright (c) 1999 Al Smith
+ *
+ * Portions derived from work (c) 1995,1996 Christian Vogelgsang.
+ */
+
+#include <linux/buffer_head.h>
+#include <linux/efs_fs.h>
+
+int efs_get_block(struct inode *inode, sector_t iblock,
+                  struct buffer_head *bh_result, int create)
+{
+        int error = -EROFS;
+        long phys;
+
+        if (create)
+                return error;
+        if (iblock >= inode->i_blocks) {
+#ifdef DEBUG
+                /*
+                 * i have no idea why this happens as often as it does
+                 */
+                printk(KERN_WARNING "EFS: bmap(): block %d >= %ld (filesize %ld)\n",
+                        block,
+                        inode->i_blocks,
+                        inode->i_size);
+#endif
+                return 0;
+        }
+        phys = efs_map_block(inode, iblock);
+        if (phys)
+                map_bh(bh_result, inode->i_sb, phys);
+        return 0;
+}
+
+int efs_bmap(struct inode *inode, efs_block_t block) {
+
+        if (block < 0) {
+                printk(KERN_WARNING "EFS: bmap(): block < 0\n");
+                return 0;
+        }
+
+        /* are we about to read past the end of a file ? */
+        if (!(block < inode->i_blocks)) {
+#ifdef DEBUG
+                /*
+                 * i have no idea why this happens as often as it does
+                 */
+                printk(KERN_WARNING "EFS: bmap(): block %d >= %ld (filesize %ld)\n",
+                        block,
+                        inode->i_blocks,
+                        inode->i_size);
+#endif
+                return 0;
+        }
+
+        return efs_map_block(inode, block);
+}