Date: Fri, 5 Apr 2013 10:22:23 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r249144 - stable/9/sys/geom Message-ID: <201304051022.r35AMNlP038354@svn.freebsd.org>
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Author: mav Date: Fri Apr 5 10:22:22 2013 New Revision: 249144 URL: http://svnweb.freebsd.org/changeset/base/249144 Log: MFC r226737 (by pjd): Allow upper layers to discover than BIO_DELETE and/or BIO_FLUSH is not supported by returning EOPNOTSUPP instead of 0 or ENODEV. Modified: stable/9/sys/geom/geom_disk.c Directory Properties: stable/9/sys/ (props changed) Modified: stable/9/sys/geom/geom_disk.c ============================================================================== --- stable/9/sys/geom/geom_disk.c Fri Apr 5 10:13:44 2013 (r249143) +++ stable/9/sys/geom/geom_disk.c Fri Apr 5 10:22:22 2013 (r249144) @@ -308,7 +308,7 @@ 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 */ @@ -397,8 +397,8 @@ 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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