Date: Mon, 26 May 2014 23:47:57 +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: r266720 - stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs Message-ID: <201405262347.s4QNlvBL042152@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: smh Date: Mon May 26 23:47:57 2014 New Revision: 266720 URL: http://svnweb.freebsd.org/changeset/base/266720 Log: MFC r264885 Eliminate duplicate checks in vdev_geom_io_intr error handling Sponsored by: Multiplay Modified: stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_geom.c Directory Properties: stable/10/ (props changed) Modified: stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_geom.c ============================================================================== --- stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_geom.c Mon May 26 23:44:09 2014 (r266719) +++ stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_geom.c Mon May 26 23:47:57 2014 (r266720) @@ -717,35 +717,39 @@ vdev_geom_io_intr(struct bio *bp) zio->io_error = bp->bio_error; if (zio->io_error == 0 && bp->bio_resid != 0) zio->io_error = EIO; - if (bp->bio_cmd == BIO_FLUSH && bp->bio_error == ENOTSUP) { - /* - * If we get ENOTSUP, we know that no future - * attempts will ever succeed. In this case we - * set a persistent bit so that we don't bother - * with the ioctl in the future. - */ - vd->vdev_nowritecache = B_TRUE; - } - if (bp->bio_cmd == BIO_DELETE && bp->bio_error == ENOTSUP) { - /* - * If we get ENOTSUP, we know that no future - * attempts will ever succeed. In this case we - * set a persistent bit so that we don't bother - * with the ioctl in the future. - */ - vd->vdev_notrim = B_TRUE; - } - if (zio->io_error == ENXIO && !vd->vdev_remove_wanted) { + + switch(zio->io_error) { + case ENOTSUP: /* - * If provider's error is set we assume it is being - * removed. + * If we get ENOTSUP for BIO_FLUSH or BIO_DELETE we know + * that future attempts will never succeed. In this case + * we set a persistent flag so that we don't bother with + * requests in the future. */ - if (bp->bio_to->error != 0) { - vd->vdev_remove_wanted = B_TRUE; - spa_async_request(zio->io_spa, SPA_ASYNC_REMOVE); - } else if (!vd->vdev_delayed_close) { - vd->vdev_delayed_close = B_TRUE; + switch(bp->bio_cmd) { + case BIO_FLUSH: + vd->vdev_nowritecache = B_TRUE; + break; + case BIO_DELETE: + vd->vdev_notrim = B_TRUE; + break; + } + break; + case ENXIO: + if (!vd->vdev_remove_wanted) { + /* + * If provider's error is set we assume it is being + * removed. + */ + if (bp->bio_to->error != 0) { + vd->vdev_remove_wanted = B_TRUE; + spa_async_request(zio->io_spa, + SPA_ASYNC_REMOVE); + } else if (!vd->vdev_delayed_close) { + vd->vdev_delayed_close = B_TRUE; + } } + break; } g_destroy_bio(bp); zio_interrupt(zio);
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201405262347.s4QNlvBL042152>