X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=fs%2Fufs%2Futil.c;h=59acc8f073acf5c8c8a384e44960557e788ad2e5;hb=6a77f38946aaee1cd85eeec6cf4229b204c15071;hp=80728750c2e6b1787d28667645077af6959d0cfc;hpb=87fc8d1bb10cd459024a742c6a10961fefcef18f;p=linux-2.6.git

diff --git a/fs/ufs/util.c b/fs/ufs/util.c
index 80728750c..59acc8f07 100644
--- a/fs/ufs/util.c
+++ b/fs/ufs/util.c
@@ -202,3 +202,56 @@ void _ubh_memcpyubh_(struct ufs_sb_private_info * uspi,
 		bhno++;
 	}
 }
+
+dev_t
+ufs_get_inode_dev(struct super_block *sb, struct ufs_inode_info *ufsi)
+{
+	__fs32 fs32;
+	dev_t dev;
+
+	if ((UFS_SB(sb)->s_flags & UFS_ST_MASK) == UFS_ST_SUNx86)
+		fs32 = ufsi->i_u1.i_data[1];
+	else
+		fs32 = ufsi->i_u1.i_data[0];
+	fs32 = fs32_to_cpu(sb, fs32);
+	switch (UFS_SB(sb)->s_flags & UFS_ST_MASK) {
+	case UFS_ST_SUNx86:
+	case UFS_ST_SUN:
+		if ((fs32 & 0xffff0000) == 0 ||
+		    (fs32 & 0xffff0000) == 0xffff0000)
+			dev = old_decode_dev(fs32 & 0x7fff);
+		else
+			dev = MKDEV(sysv_major(fs32), sysv_minor(fs32));
+		break;
+
+	default:
+		dev = old_decode_dev(fs32);
+		break;
+	}
+	return dev;
+}
+
+void
+ufs_set_inode_dev(struct super_block *sb, struct ufs_inode_info *ufsi, dev_t dev)
+{
+	__fs32 fs32;
+
+	switch (UFS_SB(sb)->s_flags & UFS_ST_MASK) {
+	case UFS_ST_SUNx86:
+	case UFS_ST_SUN:
+		fs32 = sysv_encode_dev(dev);
+		if ((fs32 & 0xffff8000) == 0) {
+			fs32 = old_encode_dev(dev);
+		}
+		break;
+
+	default:
+		fs32 = old_encode_dev(dev);
+		break;
+	}
+	fs32 = cpu_to_fs32(sb, fs32);
+	if ((UFS_SB(sb)->s_flags & UFS_ST_MASK) == UFS_ST_SUNx86)
+		ufsi->i_u1.i_data[1] = fs32;
+	else
+		ufsi->i_u1.i_data[0] = fs32;
+}