[XFS] Fix sparse warnings in ktrace.[ch]

SGI-PV: 943556
SGI-Modid: xfs-linux:xfs-kern:200113a
Signed-off-by: Christoph Hellwig <hch@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>

fs/xfs/support/ktrace.c

@@ -50,7 +50,7 @@ ktrace_uninit(void)
  * number of entries.
  */
 ktrace_t *
-ktrace_alloc(int nentries, int sleep)
+ktrace_alloc(int nentries, unsigned int __nocast sleep)
 {
 	ktrace_t        *ktp;
 	ktrace_entry_t  *ktep;

fs/xfs/support/ktrace.h

@@ -52,7 +52,7 @@ typedef struct ktrace_snap {
 extern void ktrace_init(int zentries);
 extern void ktrace_uninit(void);
 
-extern ktrace_t *ktrace_alloc(int, int);
+extern ktrace_t *ktrace_alloc(int, unsigned int __nocast);
 extern void ktrace_free(ktrace_t *);
 
 extern void ktrace_enter(