Merge branch 'master' into for-next

Fast-forwarded to current state of Linus' tree as there are patches to be
applied for files that didn't exist on the old branch.

1 files changed, 23 insertions, 2 deletions

diff --git a/fs/adfs/adfs.h b/fs/adfs/adfs.h
index 2ff622f6f54..718ac1f440c 100644
--- a/fs/adfs/adfs.h
+++ b/fs/adfs/adfs.h
@@ -50,6 +50,7 @@ struct adfs_sb_info {
 	gid_t		s_gid;		/* owner gid				 */
 	umode_t		s_owner_mask;	/* ADFS owner perm -> unix perm		 */
 	umode_t		s_other_mask;	/* ADFS other perm -> unix perm		 */
+	int		s_ftsuffix;	/* ,xyz hex filetype suffix option */
 
 	__u32		s_ids_per_zone;	/* max. no ids in one zone		 */
 	__u32		s_idlen;	/* length of ID in map			 */
@@ -79,6 +80,10 @@ struct adfs_dir {
 
 	int			nr_buffers;
 	struct buffer_head	*bh[4];
+
+	/* big directories need allocated buffers */
+	struct buffer_head	**bh_fplus;
+
 	unsigned int		pos;
 	unsigned int		parent_id;
 
@@ -89,7 +94,7 @@ struct adfs_dir {
 /*
  * This is the overall maximum name length
  */
-#define ADFS_MAX_NAME_LEN	256
+#define ADFS_MAX_NAME_LEN	(256 + 4) /* +4 for ,xyz hex filetype suffix */
 struct object_info {
 	__u32		parent_id;		/* parent object id	*/
 	__u32		file_id;		/* object id		*/
@@ -97,10 +102,26 @@ struct object_info {
 	__u32		execaddr;		/* execution address	*/
 	__u32		size;			/* size			*/
 	__u8		attr;			/* RISC OS attributes	*/
-	unsigned char	name_len;		/* name length		*/
+	unsigned int	name_len;		/* name length		*/
 	char		name[ADFS_MAX_NAME_LEN];/* file name		*/
+
+	/* RISC OS file type (12-bit: derived from loadaddr) */
+	__u16		filetype;
 };
 
+/* RISC OS 12-bit filetype converts to ,xyz hex filename suffix */
+static inline int append_filetype_suffix(char *buf, __u16 filetype)
+{
+	if (filetype == 0xffff)	/* no explicit 12-bit file type was set */
+		return 0;
+
+	*buf++ = ',';
+	*buf++ = hex_asc_lo(filetype >> 8);
+	*buf++ = hex_asc_lo(filetype >> 4);
+	*buf++ = hex_asc_lo(filetype >> 0);
+	return 4;
+}
+
 struct adfs_dir_ops {
 	int	(*read)(struct super_block *sb, unsigned int id, unsigned int sz, struct adfs_dir *dir);
 	int	(*setpos)(struct adfs_dir *dir, unsigned int fpos);