Author: mav Date: Mon Jul 30 22:03:29 2018 New Revision: 336943 URL: https://svnweb.freebsd.org/changeset/base/336943
Log: MFV r336942: 9189 Add debug to vdev_label_read_config when txg check fails illumos/illumos-gate@b6bf6e1540f30bd97b8d6e2c21d95e17841e0f23 Reviewed by: George Wilson <[email protected]> Reviewed by: Prashanth Sreenivasa <[email protected]> Approved by: Matt Ahrens <[email protected]> Author: Pavel Zakharov <[email protected]> Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev.c head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_label.c Directory Properties: head/sys/cddl/contrib/opensolaris/ (props changed) Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev.c ============================================================================== --- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev.c Mon Jul 30 21:59:44 2018 (r336942) +++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev.c Mon Jul 30 22:03:29 2018 (r336943) @@ -1725,7 +1725,8 @@ vdev_validate(vdev_t *vd) if ((label = vdev_label_read_config(vd, txg)) == NULL) { vdev_set_state(vd, B_TRUE, VDEV_STATE_CANT_OPEN, VDEV_AUX_BAD_LABEL); - vdev_dbgmsg(vd, "vdev_validate: failed reading config"); + vdev_dbgmsg(vd, "vdev_validate: failed reading config for " + "txg %llu", (u_longlong_t)txg); return (0); } Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_label.c ============================================================================== --- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_label.c Mon Jul 30 21:59:44 2018 (r336942) +++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_label.c Mon Jul 30 22:03:29 2018 (r336943) @@ -546,6 +546,7 @@ vdev_label_read_config(vdev_t *vd, uint64_t txg) abd_t *vp_abd; zio_t *zio; uint64_t best_txg = 0; + uint64_t label_txg = 0; int error = 0; int flags = ZIO_FLAG_CONFIG_WRITER | ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE; @@ -571,8 +572,6 @@ retry: if (zio_wait(zio) == 0 && nvlist_unpack(vp->vp_nvlist, sizeof (vp->vp_nvlist), &label, 0) == 0) { - uint64_t label_txg = 0; - /* * Auxiliary vdevs won't have txg values in their * labels and newly added vdevs may not have been @@ -601,6 +600,15 @@ retry: if (config == NULL && !(flags & ZIO_FLAG_TRYHARD)) { flags |= ZIO_FLAG_TRYHARD; goto retry; + } + + /* + * We found a valid label but it didn't pass txg restrictions. + */ + if (config == NULL && label_txg != 0) { + vdev_dbgmsg(vd, "label discarded as txg is too large " + "(%llu > %llu)", (u_longlong_t)label_txg, + (u_longlong_t)txg); } abd_free(vp_abd); _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "[email protected]"
