Date: Thu, 6 Jun 2013 09:23:22 +0000 (UTC) From: Steven Hartland <smh@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org Subject: svn commit: r251456 - stable/8/sys/geom Message-ID: <201306060923.r569NMgw077140@svn.freebsd.org>
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Author: smh Date: Thu Jun 6 09:23:21 2013 New Revision: 251456 URL: http://svnweb.freebsd.org/changeset/base/251456 Log: MFC r226737: Allow upper layers to discover that BIO_DELETE / BIO_FLUSH is not supported. Modified: stable/8/sys/geom/geom_disk.c Directory Properties: stable/8/sys/ (props changed) stable/8/sys/geom/ (props changed) Modified: stable/8/sys/geom/geom_disk.c ============================================================================== --- stable/8/sys/geom/geom_disk.c Thu Jun 6 09:13:07 2013 (r251455) +++ stable/8/sys/geom/geom_disk.c Thu Jun 6 09:23:21 2013 (r251456) @@ -302,7 +302,7 @@ g_disk_start(struct bio *bp) switch(bp->bio_cmd) { case BIO_DELETE: if (!(dp->d_flags & DISKFLAG_CANDELETE)) { - error = 0; + error = EOPNOTSUPP; break; } /* fall-through */ @@ -370,8 +370,8 @@ g_disk_start(struct bio *bp) g_trace(G_T_BIO, "g_disk_flushcache(%s)", bp->bio_to->name); if (!(dp->d_flags & DISKFLAG_CANFLUSHCACHE)) { - g_io_deliver(bp, ENODEV); - return; + error = EOPNOTSUPP; + break; } bp2 = g_clone_bio(bp); if (bp2 == NULL) {
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