1 files changed, 25 insertions, 16 deletions
diff --git a/include/fs.h b/include/fs.h
index 491c60a..ffb6ce7 100644
--- a/include/fs.h
+++ b/include/fs.h
@@ -51,32 +51,41 @@ int fs_ls(const char *dirname);
 int fs_exists(const char *filename);
 
 /*
- * Determine a file's size
+ * fs_size - Determine a file's size
  *
- * Returns the file's size in bytes, or a negative value if it doesn't exist.
+ * @filename: Name of the file
+ * @size: Size of file
+ * @return 0 if ok with valid *size, negative on error
  */
-int fs_size(const char *filename);
+int fs_size(const char *filename, loff_t *size);
 
 /*
- * Read file "filename" from the partition previously set by fs_set_blk_dev(),
- * to address "addr", starting at byte offset "offset", and reading "len"
- * bytes. "offset" may be 0 to read from the start of the file. "len" may be
- * 0 to read the entire file. Note that not all filesystem types support
- * either/both offset!=0 or len!=0.
+ * fs_read - Read file from the partition previously set by fs_set_blk_dev()
+ * Note that not all filesystem types support either/both offset!=0 or len!=0.
  *
- * Returns number of bytes read on success. Returns <= 0 on error.
+ * @filename: Name of file to read from
+ * @addr: The address to read into
+ * @offset: The offset in file to read from
+ * @len: The number of bytes to read. Maybe 0 to read entire file
+ * @actread: Returns the actual number of bytes read
+ * @return 0 if ok with valid *actread, -1 on error conditions
  */
-int fs_read(const char *filename, ulong addr, int offset, int len);
+int fs_read(const char *filename, ulong addr, loff_t offset, loff_t len,
+	    loff_t *actread);
 
 /*
- * Write file "filename" to the partition previously set by fs_set_blk_dev(),
- * from address "addr", starting at byte offset "offset", and writing "len"
- * bytes. "offset" may be 0 to write to the start of the file. Note that not
- * all filesystem types support offset!=0.
+ * fs_write - Write file to the partition previously set by fs_set_blk_dev()
+ * Note that not all filesystem types support offset!=0.
  *
- * Returns number of bytes read on success. Returns <= 0 on error.
+ * @filename: Name of file to read from
+ * @addr: The address to read into
+ * @offset: The offset in file to read from. Maybe 0 to write to start of file
+ * @len: The number of bytes to write
+ * @actwrite: Returns the actual number of bytes written
+ * @return 0 if ok with valid *actwrite, -1 on error conditions
  */
-int fs_write(const char *filename, ulong addr, int offset, int len);
+int fs_write(const char *filename, ulong addr, loff_t offset, loff_t len,
+	     loff_t *actwrite);
 
 /*
  * Common implementation for various filesystem commands, optionally limited