Added syscall for _kern_next_device().

fs_stat_dev() and next_dev() should now work.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@8347 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/kernel/libroot/os/fs_info.c

@@ -10,9 +10,8 @@
 #include <fcntl.h>
 #include <errno.h>
 
-#include "syscalls.h"
+#include <syscalls.h>
 
-// ToDo: implement these for real - the VFS functions are still missing!
 
 #define RETURN_AND_SET_ERRNO(status) \
 	{ \
@@ -37,20 +36,19 @@ dev_for_path(const char *path)
 
 
 dev_t
-next_dev(int32 *pos)
+next_dev(int32 *_cookie)
 {
-	status_t status = B_ERROR;
-
-	RETURN_AND_SET_ERRNO(status)
+	return _kern_next_device(_cookie);
+		// For some reason, this one returns its error code directly
 }
 
 
 int
-fs_stat_dev(dev_t dev, fs_info *info)
+fs_stat_dev(dev_t device, fs_info *info)
 {
-	status_t status = B_ERROR;
+	status_t status = _kern_read_fs_info(device, info);
 
-	RETURN_AND_SET_ERRNO(status)
+	RETURN_AND_SET_ERRNO(status);
 }
 
 

src/kernel/libroot/os/syscalls.S

@@ -33,6 +33,7 @@ SYSCALL4(_kern_mount, 1)
 SYSCALL1(_kern_unmount, 2)
 SYSCALL2(_kern_read_fs_info, 66)
 SYSCALL3(_kern_write_fs_info, 67)
+SYSCALL1(_kern_next_device, 68)
 SYSCALL0(_kern_sync, 3)
 SYSCALL5(_kern_dir_node_ref_to_path, 142)
 SYSCALL2(_kern_open, 4)