Redesign reschedule points, allow one operation to reschedule many cpus at once

kernel/fs/vfs.c

@@ -8,6 +8,7 @@
 #include <libk/string.h>
 #include <m/status.h>
 #include <mm/liballoc.h>
+#include <proc/proc.h>
 #include <proc/procgroup.h>
 #include <sync/spin_lock.h>
 #include <sys/debug.h>
@@ -32,7 +33,7 @@ static struct vfs_mountpoint* vfs_find_mountpoint (const char* mountpoint) {
 }
 
 int vfs_create_mountpoint (const char* key, int fs_type, struct device* back_device,
-                           struct device_op_ctx* op_ctx) {
+                           struct proc* proc, struct reschedule_ctx* rctx) {
   if (strlen_null (key) > fieldsizeof (struct vfs_mountpoint, key))
     return -ST_OOB_ERROR;
 
@@ -60,7 +61,7 @@ int vfs_create_mountpoint (const char* key, int fs_type, struct device* back_dev
   } break;
   }
 
-  int ret = mountpoint->driver_ops.mount (mountpoint, op_ctx);
+  int ret = mountpoint->driver_ops.mount (mountpoint, proc, rctx);
 
   if (ret < 0) {
     free (mountpoint);