Date: Thu, 26 May 2011 16:27:00 +0000 (UTC) From: Will Andrews <will@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r222313 - head/cddl/compat/opensolaris/misc Message-ID: <201105261627.p4QGR0uF071905@svn.freebsd.org>
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Author: will Date: Thu May 26 16:27:00 2011 New Revision: 222313 URL: http://svn.freebsd.org/changeset/base/222313 Log: 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 Modified: head/cddl/compat/opensolaris/misc/fsshare.c Modified: head/cddl/compat/opensolaris/misc/fsshare.c ============================================================================== --- head/cddl/compat/opensolaris/misc/fsshare.c Thu May 26 15:55:27 2011 (r222312) +++ head/cddl/compat/opensolaris/misc/fsshare.c Thu May 26 16:27:00 2011 (r222313) @@ -223,6 +223,7 @@ out: error = errno; unlink(tmpfile); } else { + fflush(newfd); /* * Send SIGHUP to mountd, but unlock exports file later. */
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