Clarify fat_mkdir's semantics
fat_mkdir succeeds if the directory already exists. This is a useful
feature for ensuring that a directory exists when you can't know for
sure before running it. E.g., old software versions didn't have the
directory, but newer ones do.
@@ -493,7 +493,7 @@ fat_attrib(block_offset, filename, attrib) | 0.1.0 | Modify a file's attributes.
fat_mv(block_offset, oldname, newname) | 0.1.0 | Rename the specified file on a FAT file system
fat_mv!(block_offset, oldname, newname) | 0.14.0 | Rename the specified file even if newname already exists.
fat_rm(block_offset, filename) | 0.1.0 | Delete the specified file
-fat_mkdir(block_offset, filename) | 0.2.0 | Create a directory on a FAT file system
+fat_mkdir(block_offset, filename) | 0.2.0 | Create a directory on a FAT file system. This also succeeds if the directory already exists.
fat_setlabel(block_offset, label) | 0.2.0 | Set the volume label on a FAT file system
fat_touch(block_offset, filename) | 0.7.0 | Create an empty file if the file doesn't exist (no timestamp update like on Linux)
info(message) | 0.13.0 | Print out an informational message
