Close a race between libzfs and mountd when updating NFS exports.

- Flush the file descriptor for the new ZFS exports file before sending a SIGHUP to mountd. Reviewed by: pjd Approved by: ken MFC after: 3 days
2011-05-26 16:27:00 +00:00 · 2011-05-26 16:27:00 +00:00 · c8af0886c3
commit c8af0886c3
parent 5b0ca88c44
1 changed files with 1 additions and 0 deletions
--- a/cddl/compat/opensolaris/misc/fsshare.c
+++ b/cddl/compat/opensolaris/misc/fsshare.c
@ -223,6 +223,7 @@ out:
 			error = errno;
 			unlink(tmpfile);
 		} else {
+			fflush(newfd);
 			/*
 			 * Send SIGHUP to mountd, but unlock exports file later.
 			 */