Call 'flush' after writing a superblock to disk.

Just in case... Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
2005-04-04 06:05:07 +00:00 · 2005-04-04 06:05:07 +00:00 · b2b46bfc89
parent d7eaf49f65
commit b2b46bfc89
2 changed files with 3 additions and 1 deletions
--- a/3
+++ b/3
@ -1,7 +1,8 @@
 Changes Prior to 1.10.0 release
    -   Fix bug with --config=partitions
    -   Open sub-devices with O_EXCL to detect if already in use
-
+    -   Make sure superblock updates are flushed directly to disk.
+	
 Changes Prior to 1.9.0 release
    -   Fix rpm build problem (stray %)
    -   Minor manpage updates
--- a/util.c
+++ b/util.c
@ -278,6 +278,7 @@ int store_super(int fd, mdp_super_t *super)
 	if (write(fd, super, sizeof(*super)) != sizeof(*super))
 		return 4;

+	fsync(fd);
 	return 0;
 }