48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
#include "inc.h"
|
|
#include <fcntl.h>
|
|
#include <minix/vfsif.h>
|
|
#include <minix/bdev.h>
|
|
|
|
|
|
/*===========================================================================*
|
|
* fs_sync *
|
|
*===========================================================================*/
|
|
int fs_sync()
|
|
{
|
|
/* Always mounted read only, so nothing to sync */
|
|
return(OK); /* sync() can't fail */
|
|
}
|
|
|
|
|
|
/*===========================================================================*
|
|
* fs_new_driver *
|
|
*===========================================================================*/
|
|
int fs_new_driver(void)
|
|
{
|
|
/* Set a new driver endpoint for this device. */
|
|
dev_t dev;
|
|
cp_grant_id_t label_gid;
|
|
size_t label_len;
|
|
char label[sizeof(fs_dev_label)];
|
|
int r;
|
|
|
|
dev = fs_m_in.m_vfs_fs_new_driver.device;
|
|
label_gid = fs_m_in.m_vfs_fs_new_driver.grant;
|
|
label_len = fs_m_in.m_vfs_fs_new_driver.path_len;
|
|
|
|
if (label_len > sizeof(label))
|
|
return(EINVAL);
|
|
|
|
r = sys_safecopyfrom(fs_m_in.m_source, label_gid, (vir_bytes) 0,
|
|
(vir_bytes) label, label_len);
|
|
|
|
if (r != OK) {
|
|
printf("ISOFS: fs_new_driver safecopyfrom failed (%d)\n", r);
|
|
return(EINVAL);
|
|
}
|
|
|
|
bdev_driver(dev, label);
|
|
|
|
return(OK);
|
|
}
|