Author: mav
Date: Thu Sep 28 15:58:41 2017
New Revision: 324086
URL: https://svnweb.freebsd.org/changeset/base/324086
Log:
Alike to ZFS disable cache flush after first ENOTSUP error.
MFC after: 1 week
Modified:
head/usr.sbin/diskinfo/diskinfo.c
Modified: head/usr.sbin/diskinfo/diskinfo.c
==============================================================================
--- head/usr.sbin/diskinfo/diskinfo.c Thu Sep 28 15:23:38 2017
(r324085)
+++ head/usr.sbin/diskinfo/diskinfo.c Thu Sep 28 15:58:41 2017
(r324086)
@@ -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);
_______________________________________________
svn-src-all@freebsd.org mailing list
https://lists.freebsd.org/mailman/listinfo/svn-src-all
To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
