staging:lustre: use gfp_t instead of int

Fixed several sparse "warning: incorrect type" by replacing int
declarations with gfp_t
Signed-off-by: Vitaly Osipov <vitaly.osipov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/include/linux/libcfs/libcfs.h

@@ -42,6 +42,7 @@
 #endif
 
 #include <linux/libcfs/linux/libcfs.h>
+#include <linux/gfp.h>
 
 #include "curproc.h"
 

drivers/staging/lustre/lustre/libcfs/module.c

@@ -87,7 +87,8 @@ kportal_memhog_free (struct libcfs_device_userstate *ldu)
 }
 
 int
-kportal_memhog_alloc (struct libcfs_device_userstate *ldu, int npages, int flags)
+kportal_memhog_alloc(struct libcfs_device_userstate *ldu, int npages,
+		     gfp_t flags)
 {
 	struct page **level0p;
 	struct page **level1p;

drivers/staging/lustre/lustre/libcfs/tracefile.c

@@ -66,7 +66,7 @@ cfs_tage_from_list(struct list_head *list)
 	return list_entry(list, struct cfs_trace_page, linkage);
 }
 
-static struct cfs_trace_page *cfs_tage_alloc(int gfp)
+static struct cfs_trace_page *cfs_tage_alloc(gfp_t gfp)
 {
 	struct page	    *page;
 	struct cfs_trace_page *tage;
@@ -114,7 +114,7 @@ static void cfs_tage_to_tail(struct cfs_trace_page *tage,
 	list_move_tail(&tage->linkage, queue);
 }
 
-int cfs_trace_refill_stock(struct cfs_trace_cpu_data *tcd, int gfp,
+int cfs_trace_refill_stock(struct cfs_trace_cpu_data *tcd, gfp_t gfp,
 			   struct list_head *stock)
 {
 	int i;

drivers/staging/lustre/lustre/libcfs/tracefile.h

@@ -307,7 +307,7 @@ cfs_trace_put_tcd (struct cfs_trace_cpu_data *tcd)
 	put_cpu();
 }
 
-int cfs_trace_refill_stock(struct cfs_trace_cpu_data *tcd, int gfp,
+int cfs_trace_refill_stock(struct cfs_trace_cpu_data *tcd, gfp_t gfp,
 			   struct list_head *stock);
 
 

drivers/staging/lustre/lustre/obdecho/echo_client.c

@@ -2432,7 +2432,7 @@ static int echo_client_kbrw(struct echo_device *ed, int rw, struct obdo *oa,
 	int		     i;
 	int		     rc;
 	int		     verify;
-	int		     gfp_mask;
+	gfp_t		     gfp_mask;
 	int		     brw_flags = 0;
 
 	verify = (ostid_id(&oa->o_oi) != ECHO_PERSISTENT_OBJID &&