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Date:      Tue, 16 Sep 2014 17:47:13 +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-10@freebsd.org
Subject:   svn commit: r271683 - stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs
Message-ID:  <201409161747.s8GHlD4M093264@svn.freebsd.org>

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Author: smh
Date: Tue Sep 16 17:47:13 2014
New Revision: 271683
URL: http://svnweb.freebsd.org/changeset/base/271683

Log:
  MFC 265253:
  Don't treat TRIM requests returning ENOTSUP as an unexpected error
  
  Approved by:	re (gjb)
  Sponsored by:	Multiplay

Modified:
  stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c
==============================================================================
--- stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c	Tue Sep 16 17:42:37 2014	(r271682)
+++ stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c	Tue Sep 16 17:47:13 2014	(r271683)
@@ -2738,7 +2738,10 @@ zio_vdev_io_done(zio_t *zio)
 			zio->io_error = zio_handle_label_injection(zio, EIO);
 
 		if (zio->io_error) {
-			if (!vdev_accessible(vd, zio)) {
+			if (zio->io_error == ENOTSUP &&
+			    zio->io_type == ZIO_TYPE_FREE) {
+				/* Not all devices support TRIM. */
+			} else if (!vdev_accessible(vd, zio)) {
 				zio->io_error = SET_ERROR(ENXIO);
 			} else {
 				unexpected_error = B_TRUE;



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