ufs/ffs/ffs_vfsops.c

249 			    (error = ffs_sbupdate(ump, MNT_WAIT, 0)) != 0)
296 			if ((error = ffs_sbupdate(ump, MNT_WAIT, 0)) != 0) {
400 			if ((error = ffs_sbupdate(ump, MNT_WAIT, 0)) != 0) {
472 			(void) ffs_sbupdate(ump, MNT_WAIT, 0);
573 				(void) ffs_sbupdate(ump, MNT_WAIT, 0);
1039 		(void) ffs_sbupdate(ump, MNT_WAIT, 0);
1261 		error = ffs_sbupdate(ump, MNT_WAIT, 0);
1489 	    (error = ffs_sbupdate(VFSTOUFS(mp), MNT_LAZY, 0)) != 0)
1607 			error = ffs_sbupdate(ump, waitfor, 0);
1632 	    (error = ffs_sbupdate(ump, waitfor, suspended)) != 0)
1886  * Structure used to pass information from ffs_sbupdate to its
1901 ffs_sbupdate(ump, waitfor, suspended)
1914 		panic("ffs_sbupdate: write read-only filesystem");
1916 	 * We use the superblock's buf to serialize calls to ffs_sbupdate().