Date: Tue, 8 Feb 2011 19:51:41 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r218452 - in projects/graid/7: . contrib/bsnmp/snmpd contrib/wpa_supplicant gnu/usr.bin/groff/tmac share/misc sys/geom/raid tools/tools/nanobsd usr.sbin usr.sbin/bsnmpd/modules/snmp_hos... Message-ID: <201102081951.p18Jpf08057727@svn.freebsd.org>
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Author: mav Date: Tue Feb 8 19:51:40 2011 New Revision: 218452 URL: http://svn.freebsd.org/changeset/base/218452 Log: MFH r218446, r218449, r218450 Modified: projects/graid/7/sys/geom/raid/g_raid.c projects/graid/7/sys/geom/raid/tr_raid1.c Directory Properties: projects/graid/7/ (props changed) projects/graid/7/COPYRIGHT (props changed) projects/graid/7/Makefile (props changed) projects/graid/7/Makefile.inc1 (props changed) projects/graid/7/ObsoleteFiles.inc (props changed) projects/graid/7/UPDATING (props changed) projects/graid/7/bin/ (props changed) projects/graid/7/bin/chflags/ (props changed) projects/graid/7/bin/chio/ (props changed) projects/graid/7/bin/cp/ (props changed) projects/graid/7/bin/csh/ (props changed) projects/graid/7/bin/dd/ (props changed) projects/graid/7/bin/df/ (props changed) projects/graid/7/bin/echo/ (props changed) projects/graid/7/bin/expr/ (props changed) projects/graid/7/bin/kill/ (props changed) projects/graid/7/bin/ln/ (props changed) 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projects/graid/7/usr.sbin/traceroute6/ (props changed) projects/graid/7/usr.sbin/tzsetup/ (props changed) projects/graid/7/usr.sbin/ugidfw/ (props changed) projects/graid/7/usr.sbin/wpa/wpa_supplicant/ (props changed) projects/graid/7/usr.sbin/ypserv/ (props changed) projects/graid/7/usr.sbin/zic/ (props changed) Modified: projects/graid/7/sys/geom/raid/g_raid.c ============================================================================== --- projects/graid/7/sys/geom/raid/g_raid.c Tue Feb 8 19:49:31 2011 (r218451) +++ projects/graid/7/sys/geom/raid/g_raid.c Tue Feb 8 19:51:40 2011 (r218452) @@ -1071,11 +1071,35 @@ void g_raid_subdisk_iostart(struct g_raid_subdisk *sd, struct bio *bp) { struct g_consumer *cp; + struct g_raid_disk *disk; - cp = sd->sd_disk->d_consumer; - bp->bio_from = sd->sd_disk->d_consumer; - bp->bio_to = sd->sd_disk->d_consumer->provider; bp->bio_caller1 = sd; + + /* + * Make sure that the disk is present. Generally it is a task of + * transformation layers to not send requests to absent disks, but + * it is better to be safe and report situation then sorry. + */ + if (sd->sd_disk == NULL) { + G_RAID_LOGREQ(0, bp, "Warning! I/O request to an absent disk!"); +nodisk: + bp->bio_from = NULL; + bp->bio_to = NULL; + bp->bio_error = ENXIO; + g_raid_disk_done(bp); + return; + } + disk = sd->sd_disk; + if (disk->d_state != G_RAID_DISK_S_ACTIVE && + disk->d_state != G_RAID_DISK_S_FAILED) { + G_RAID_LOGREQ(0, bp, "Warning! I/O request to a disk in a " + "wrong state (%s)!", g_raid_disk_state2str(disk->d_state)); + goto nodisk; + } + + cp = disk->d_consumer; + bp->bio_from = cp; + bp->bio_to = cp->provider; cp->index++; if (dumping) { G_RAID_LOGREQ(3, bp, "Sending dumping request."); @@ -1112,8 +1136,10 @@ static void g_raid_disk_done(struct bio *bp) { struct g_raid_softc *sc; + struct g_raid_subdisk *sd; - sc = bp->bio_from->geom->softc; + sd = bp->bio_caller1; + sc = sd->sd_softc; mtx_lock(&sc->sc_queue_mtx); bioq_disksort(&sc->sc_queue, bp); mtx_unlock(&sc->sc_queue_mtx); @@ -1135,12 +1161,14 @@ g_raid_disk_done_request(struct bio *bp) sd = bp->bio_caller1; sc = sd->sd_softc; vol = sd->sd_volume; - bp->bio_from->index--; - disk = bp->bio_from->private; - if (disk == NULL) { - g_topology_lock(); - g_raid_kill_consumer(sc, bp->bio_from); - g_topology_unlock(); + if (bp->bio_from != NULL) { + bp->bio_from->index--; + disk = bp->bio_from->private; + if (disk == NULL) { + g_topology_lock(); + g_raid_kill_consumer(sc, bp->bio_from); + g_topology_unlock(); + } } bp->bio_offset -= sd->sd_offset; @@ -1224,8 +1252,8 @@ process: if (ep != NULL) g_raid_handle_event(sc, ep); if (bp != NULL) { - if (bp->bio_from == NULL || - bp->bio_from->geom != sc->sc_geom) + if (bp->bio_to != NULL && + bp->bio_to->geom == sc->sc_geom) g_raid_start_request(bp); else g_raid_disk_done_request(bp); Modified: projects/graid/7/sys/geom/raid/tr_raid1.c ============================================================================== --- projects/graid/7/sys/geom/raid/tr_raid1.c Tue Feb 8 19:49:31 2011 (r218451) +++ projects/graid/7/sys/geom/raid/tr_raid1.c Tue Feb 8 19:51:40 2011 (r218452) @@ -151,8 +151,7 @@ g_raid_tr_taste_raid1(struct g_raid_tr_o trs = (struct g_raid_tr_raid1_object *)tr; if (tr->tro_volume->v_raid_level != G_RAID_VOLUME_RL_RAID1 || - tr->tro_volume->v_raid_level_qualifier != G_RAID_VOLUME_RLQ_NONE || - tr->tro_volume->v_disks_count != 2) + tr->tro_volume->v_raid_level_qualifier != G_RAID_VOLUME_RLQ_NONE) return (G_RAID_TR_TASTE_FAIL); trs->trso_starting = 1; return (G_RAID_TR_TASTE_SUCCEED); @@ -684,7 +683,8 @@ g_raid_tr_iodone_raid1(struct g_raid_tr_ nsd = trs->trso_failed_sd; if (bp->bio_error != 0 || trs->trso_flags & TR_RAID1_F_ABORT) { - if (bp->bio_error != 0) { + if ((trs->trso_flags & + TR_RAID1_F_ABORT) == 0) { g_raid_fail_disk(sd->sd_softc, nsd, nsd->sd_disk); }
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