BTRFS: Added function to convert standard filetypes to btrfs filetypes.

Signed-off-by: Augustin Cavalier <waddlesplash@gmail.com>

src/add-ons/kernel/file_systems/btrfs/Utility.h

@@ -22,6 +22,32 @@ enum inode_type {
 };
 
 
+inline uint8
+get_filetype(int32 mode)
+{
+	mode &= S_IFMT;
+	switch (mode)
+	{
+		case S_IFSOCK:
+			return BTRFS_FILETYPE_SOCKET;
+		case S_IFLNK:
+			return BTRFS_FILETYPE_SYMLINK;
+		case S_IFREG:
+			return BTRFS_FILETYPE_REGULAR;
+		case S_IFBLK:
+			return BTRFS_FILETYPE_BLKDEV;
+		case S_IFDIR:
+			return BTRFS_FILETYPE_DIRECTORY;
+		case S_IFCHR:
+			return BTRFS_FILETYPE_CHRDEV;
+		case S_IFIFO:
+			return BTRFS_FILETYPE_FIFO;
+		default:
+			return BTRFS_FILETYPE_UNKNOWN;
+	}
+}
+
+
 /*!	Converts the open mode, the open flags given to bfs_open(), into
 	access modes, e.g. since O_RDONLY requires read access to the
 	file, it will be converted to R_OK.

src/add-ons/kernel/file_systems/btrfs/btrfs.h

@@ -475,6 +475,17 @@ struct btrfs_extent_data_ref {
 #define BTRFS_BLOCKGROUP_FLAG_RAID6			256
 #define BTRFS_BLOCKGROUP_FLAG_MASK			511
 
+// d_type in struct dirent
+#define BTRFS_FILETYPE_UNKNOWN				0
+#define BTRFS_FILETYPE_REGULAR				1
+#define BTRFS_FILETYPE_DIRECTORY			2
+#define BTRFS_FILETYPE_CHRDEV				3	// character device
+#define BTRFS_FILETYPE_BLKDEV				4	// block device
+#define BTRFS_FILETYPE_FIFO					5	// fifo device
+#define BTRFS_FILETYPE_SOCKET				6
+#define BTRFS_FILETYPE_SYMLINK				7
+#define BTRFS_FILETYPE_XATTR				8	// ondisk but not user-visible
+
 
 struct file_cookie {
 	bigtime_t	last_notification;