Spinlock save cpu flags

kernel/fs/tarfs.c

@@ -68,6 +68,7 @@ static size_t tar_parse (struct tarfs* tarfs, uint8_t* addr, size_t max_size) {
 int tarfs_mount (struct vfs_volume* volume, struct proc* proc, struct reschedule_ctx* rctx,
                  bool format) {
   (void)format;
+  uint64_t fd;
 
   struct tarfs* tarfs = malloc (sizeof (*tarfs));
 
@@ -82,18 +83,18 @@ int tarfs_mount (struct vfs_volume* volume, struct proc* proc, struct reschedule
   size_t total_size, sector_size;
   int ret;
 
-  spin_lock (&back_device->lock);
+  spin_lock (&back_device->lock, &fd);
 
   ret = device_op (back_device, XDRV_GET_SIZE, NULL, NULL, &total_size);
   if (ret < 0) {
-    spin_unlock (&back_device->lock);
+    spin_unlock (&back_device->lock, fd);
     free (volume->udata);
     return ret;
   }
 
   ret = device_op (back_device, XDRV_GET_SECTOR_SIZE, NULL, NULL, &sector_size);
   if (ret < 0) {
-    spin_unlock (&back_device->lock);
+    spin_unlock (&back_device->lock, fd);
     free (volume->udata);
     return ret;
   }
@@ -101,7 +102,7 @@ int tarfs_mount (struct vfs_volume* volume, struct proc* proc, struct reschedule
   uint8_t* buffer = malloc (total_size);
 
   if (buffer == NULL) {
-    spin_unlock (&back_device->lock);
+    spin_unlock (&back_device->lock, fd);
     free (volume->udata);
     volume->udata = NULL;
     return ret;
@@ -113,7 +114,7 @@ int tarfs_mount (struct vfs_volume* volume, struct proc* proc, struct reschedule
     ret = device_op (back_device, XDRV_READ, proc, rctx, &sector, &sector_count, dest);
   }
 
-  spin_unlock (&back_device->lock);
+  spin_unlock (&back_device->lock, fd);
 
   if (ret < 0) {
     free (buffer);