[PATCH] sync_file_range(): use unsigned for flags

Ulrich suggested that the `flags' arg to sync_file_range() become unsigned.

Cc: Ulrich Drepper <drepper@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

fs/sync.c

@@ -61,7 +61,7 @@
  * will be available after a crash.
  */
 asmlinkage long sys_sync_file_range(int fd, loff_t offset, loff_t nbytes,
-					int flags)
+					unsigned int flags)
 {
 	int ret;
 	struct file *file;
@@ -126,7 +126,7 @@ asmlinkage long sys_sync_file_range(int fd, loff_t offset, loff_t nbytes,
  * `endbyte' is inclusive
  */
 int do_sync_file_range(struct file *file, loff_t offset, loff_t endbyte,
-			int flags)
+			unsigned int flags)
 {
 	int ret;
 	struct address_space *mapping;

include/linux/fs.h

@@ -762,7 +762,7 @@ extern int fcntl_getlease(struct file *filp);
 #define SYNC_FILE_RANGE_WRITE		2
 #define SYNC_FILE_RANGE_WAIT_AFTER	4
 extern int do_sync_file_range(struct file *file, loff_t offset, loff_t endbyte,
-			int flags);
+			unsigned int flags);
 
 /* fs/locks.c */
 extern void locks_init_lock(struct file_lock *);

include/linux/syscalls.h

@@ -572,6 +572,6 @@ asmlinkage long sys_unshare(unsigned long unshare_flags);
 asmlinkage long sys_splice(int fdin, int fdout, size_t len,
 				unsigned int flags);
 asmlinkage long sys_sync_file_range(int fd, loff_t offset, loff_t nbytes,
-					int flags);
+					unsigned int flags);
 
 #endif