xfs: convert log ticket and iclog flags to unsigned.

5.18 w/ std=gnu11 compiled with gcc-5 wants flags stored in unsigned
fields to be unsigned.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Chandan Babu R <chandan.babu@oracle.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

fs/xfs/xfs_log_priv.h

@@ -51,8 +51,8 @@ enum xlog_iclog_state {
 /*
  * In core log flags
  */
-#define XLOG_ICL_NEED_FLUSH	(1 << 0)	/* iclog needs REQ_PREFLUSH */
-#define XLOG_ICL_NEED_FUA	(1 << 1)	/* iclog needs REQ_FUA */
+#define XLOG_ICL_NEED_FLUSH	(1u << 0)	/* iclog needs REQ_PREFLUSH */
+#define XLOG_ICL_NEED_FUA	(1u << 1)	/* iclog needs REQ_FUA */
 
 #define XLOG_ICL_STRINGS \
 	{ XLOG_ICL_NEED_FLUSH,	"XLOG_ICL_NEED_FLUSH" }, \
@@ -62,7 +62,7 @@ enum xlog_iclog_state {
 /*
  * Log ticket flags
  */
-#define XLOG_TIC_PERM_RESERV	0x1	/* permanent reservation */
+#define XLOG_TIC_PERM_RESERV	(1u << 0)	/* permanent reservation */
 
 #define XLOG_TIC_FLAGS \
 	{ XLOG_TIC_PERM_RESERV,	"XLOG_TIC_PERM_RESERV" }
@@ -165,7 +165,7 @@ typedef struct xlog_ticket {
 	char		   t_ocnt;	 /* original count		 : 1  */
 	char		   t_cnt;	 /* current count		 : 1  */
 	char		   t_clientid;	 /* who does this belong to;	 : 1  */
-	char		   t_flags;	 /* properties of reservation	 : 1  */
+	uint8_t		   t_flags;	 /* properties of reservation	 : 1  */
 
         /* reservation array fields */
 	uint		   t_res_num;                    /* num in array : 4 */