svn commit: r324297 - stable/11/usr.sbin/diskinfo
Alexander Motin
mav at FreeBSD.org
Thu Oct 5 10:24:36 UTC 2017
Author: mav
Date: Thu Oct 5 10:24:34 2017
New Revision: 324297
URL: https://svnweb.freebsd.org/changeset/base/324297
Log:
MFC r324086: Alike to ZFS disable cache flush after first ENOTSUP error.
Modified:
stable/11/usr.sbin/diskinfo/diskinfo.c
Directory Properties:
stable/11/ (props changed)
Modified: stable/11/usr.sbin/diskinfo/diskinfo.c
==============================================================================
--- stable/11/usr.sbin/diskinfo/diskinfo.c Thu Oct 5 07:18:16 2017 (r324296)
+++ stable/11/usr.sbin/diskinfo/diskinfo.c Thu Oct 5 10:24:34 2017 (r324297)
@@ -630,7 +630,7 @@ slogbench(int fd, int isreg, off_t mediasize, u_int se
{
off_t off;
u_int size;
- int error, n, N;
+ int error, n, N, nowritecache = 0;
printf("Synchronous random writes:\n");
for (size = sectorsize; size <= MAXTX; size *= 2) {
@@ -641,12 +641,18 @@ slogbench(int fd, int isreg, off_t mediasize, u_int se
for (n = 0; n < 250; n++) {
off = random() % (mediasize / size);
parwrite(fd, size, off * size);
+ if (nowritecache)
+ continue;
if (isreg)
error = fsync(fd);
else
error = ioctl(fd, DIOCGFLUSH);
- if (error < 0)
- err(EX_IOERR, "Flush error");
+ if (error < 0) {
+ if (errno == ENOTSUP)
+ nowritecache = 1;
+ else
+ err(EX_IOERR, "Flush error");
+ }
}
N += 250;
} while (delta_t() < 1.0);
More information about the svn-src-stable
mailing list