blockdev: add helper for locking whole block device

[thirdparty/systemd.git] / src / basic / blockdev-util.h

diff --git a/src/basic/blockdev-util.h b/src/basic/blockdev-util.h
index 6d8a796568edf5dd843e38fbd003fd9a5d54f4ea..1e7588f71cab9f1d840fc7ba7e392da15c0ef333 100644 (file)
--- a/src/basic/blockdev-util.h
+++ b/src/basic/blockdev-util.h
@@ -18,3 +18,5 @@ int block_get_originating(dev_t d, dev_t *ret);
 int get_block_device(const char *path, dev_t *dev);
 
 int get_block_device_harder(const char *path, dev_t *dev);
+
+int lock_whole_block_device(dev_t devt, int operation);