diff options
7 files changed, 42 insertions, 34 deletions
diff --git a/cddl/contrib/opensolaris/cmd/ztest/ztest.c b/cddl/contrib/opensolaris/cmd/ztest/ztest.c index ab69154..0695834 100644 --- a/cddl/contrib/opensolaris/cmd/ztest/ztest.c +++ b/cddl/contrib/opensolaris/cmd/ztest/ztest.c @@ -20,7 +20,7 @@ */ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. - * Copyright (c) 2011, 2014 by Delphix. All rights reserved. + * Copyright (c) 2011, 2015 by Delphix. All rights reserved. * Copyright 2011 Nexenta Systems, Inc. All rights reserved. * Copyright (c) 2012 Martin Matuska <mm@FreeBSD.org>. All rights reserved. * Copyright (c) 2013 Steven Hartland. All rights reserved. @@ -969,21 +969,6 @@ ztest_random_spa_version(uint64_t initial_version) return (version); } -/* - * Find the largest ashift used - */ -static uint64_t -ztest_spa_get_ashift() { - uint64_t i; - uint64_t ashift = SPA_MINBLOCKSHIFT; - vdev_t *rvd = ztest_spa->spa_root_vdev; - - for (i = 0; i < rvd->vdev_children; i++) { - ashift = MAX(ashift, rvd->vdev_child[i]->vdev_ashift); - } - return (ashift); -} - static int ztest_random_blocksize(void) { @@ -995,7 +980,7 @@ ztest_random_blocksize(void) int maxbs = SPA_OLD_MAXBLOCKSHIFT; if (spa_maxblocksize(ztest_spa) == SPA_MAXBLOCKSIZE) maxbs = 20; - block_shift = ztest_random(maxbs - ztest_spa_get_ashift() + 1); + block_shift = ztest_random(maxbs - ztest_spa->spa_max_ashift + 1); return (1 << (SPA_MINBLOCKSHIFT + block_shift)); } diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa.c index 4d9d796..af4a50f 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa.c +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa.c @@ -2253,6 +2253,8 @@ spa_load_impl(spa_t *spa, uint64_t pool_guid, nvlist_t *config, return (error); ASSERT(spa->spa_root_vdev == rvd); + ASSERT3U(spa->spa_min_ashift, >=, SPA_MINBLOCKSHIFT); + ASSERT3U(spa->spa_max_ashift, <=, SPA_MAXBLOCKSHIFT); if (type != SPA_IMPORT_ASSEMBLE) { ASSERT(spa_guid(spa) == pool_guid); diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_misc.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_misc.c index 3122d9a..bc84a08 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_misc.c +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_misc.c @@ -20,7 +20,7 @@ */ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. - * Copyright (c) 2011, 2014 by Delphix. All rights reserved. + * Copyright (c) 2011, 2015 by Delphix. All rights reserved. * Copyright 2011 Nexenta Systems, Inc. All rights reserved. * Copyright 2013 Martin Matuska <mm@FreeBSD.org>. All rights reserved. */ @@ -696,6 +696,9 @@ spa_add(const char *name, nvlist_t *config, const char *altroot) spa->spa_debug = ((zfs_flags & ZFS_DEBUG_SPA) != 0); + spa->spa_min_ashift = INT_MAX; + spa->spa_max_ashift = 0; + /* * As a pool is being created, treat all features as disabled by * setting SPA_FEATURE_DISABLED for all entries in the feature diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/spa_impl.h b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/spa_impl.h index 40f5b06..6b6d4bd 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/spa_impl.h +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/spa_impl.h @@ -20,7 +20,7 @@ */ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. - * Copyright (c) 2011, 2014 by Delphix. All rights reserved. + * Copyright (c) 2011, 2015 by Delphix. All rights reserved. * Copyright 2011 Nexenta Systems, Inc. All rights reserved. * Copyright 2013 Martin Matuska <mm@FreeBSD.org>. All rights reserved. */ @@ -147,6 +147,8 @@ struct spa { objset_t *spa_meta_objset; /* copy of dp->dp_meta_objset */ txg_list_t spa_vdev_txg_list; /* per-txg dirty vdev list */ vdev_t *spa_root_vdev; /* top-level vdev container */ + int spa_min_ashift; /* of vdevs in normal class */ + int spa_max_ashift; /* of vdevs in normal class */ uint64_t spa_config_guid; /* config pool guid */ uint64_t spa_load_guid; /* spa_load initialized guid */ uint64_t spa_last_synced_guid; /* last synced guid */ diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/vdev_impl.h b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/vdev_impl.h index 642a4c0..6934245 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/vdev_impl.h +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/vdev_impl.h @@ -20,7 +20,7 @@ */ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. - * Copyright (c) 2012, 2014 by Delphix. All rights reserved. + * Copyright (c) 2011, 2015 by Delphix. All rights reserved. */ #ifndef _SYS_VDEV_IMPL_H @@ -225,7 +225,7 @@ struct vdev { boolean_t vdev_isl2cache; /* was a l2cache device */ vdev_queue_t vdev_queue; /* I/O deadline schedule queue */ vdev_cache_t vdev_cache; /* physical block cache */ - spa_aux_vdev_t *vdev_aux; /* for l2cache vdevs */ + spa_aux_vdev_t *vdev_aux; /* for l2cache and spares vdevs */ zio_t *vdev_probe_zio; /* root of current probe */ vdev_aux_t vdev_label_aux; /* on-disk aux state */ struct trim_map *vdev_trimmap; /* map on outstanding trims */ diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev.c index 55070ed..5a59bae 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev.c +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev.c @@ -21,8 +21,8 @@ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. - * Copyright 2011 Nexenta Systems, Inc. All rights reserved. - * Copyright (c) 2011, 2014 by Delphix. All rights reserved. + * Copyright (c) 2011, 2015 by Delphix. All rights reserved. + * Copyright 2015 Nexenta Systems, Inc. All rights reserved. * Copyright 2013 Martin Matuska <mm@FreeBSD.org>. All rights reserved. */ @@ -278,8 +278,9 @@ vdev_add_child(vdev_t *pvd, vdev_t *cvd) size_t oldsize, newsize; uint64_t id = cvd->vdev_id; vdev_t **newchild; + spa_t *spa = cvd->vdev_spa; - ASSERT(spa_config_held(cvd->vdev_spa, SCL_ALL, RW_WRITER) == SCL_ALL); + ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == SCL_ALL); ASSERT(cvd->vdev_parent == NULL); cvd->vdev_parent = pvd; @@ -1398,6 +1399,17 @@ vdev_open(vdev_t *vd) } /* + * Track the min and max ashift values for normal data devices. + */ + if (vd->vdev_top == vd && vd->vdev_ashift != 0 && + !vd->vdev_islog && vd->vdev_aux == NULL) { + if (vd->vdev_ashift > spa->spa_max_ashift) + spa->spa_max_ashift = vd->vdev_ashift; + if (vd->vdev_ashift < spa->spa_min_ashift) + spa->spa_min_ashift = vd->vdev_ashift; + } + + /* * If a leaf vdev has a DTL, and seems healthy, then kick off a * resilver. But don't do this if we are doing a reopen for a scrub, * since this would just restart the scrub we are already doing. diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c index 1df2c9b..39200a5 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c @@ -20,7 +20,7 @@ */ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. - * Copyright (c) 2011, 2014 by Delphix. All rights reserved. + * Copyright (c) 2011, 2015 by Delphix. All rights reserved. * Copyright (c) 2011 Nexenta Systems, Inc. All rights reserved. */ @@ -1266,19 +1266,23 @@ zio_write_bp_init(zio_t *zio) return (ZIO_PIPELINE_CONTINUE); } else { /* - * Round up compressed size to MINBLOCKSIZE and - * zero the tail. + * Round up compressed size up to the ashift + * of the smallest-ashift device, and zero the tail. + * This ensures that the compressed size of the BP + * (and thus compressratio property) are correct, + * in that we charge for the padding used to fill out + * the last sector. */ - size_t rounded = - P2ROUNDUP(psize, (size_t)SPA_MINBLOCKSIZE); - if (rounded > psize) { - bzero((char *)cbuf + psize, rounded - psize); - psize = rounded; - } - if (psize == lsize) { + ASSERT3U(spa->spa_min_ashift, >=, SPA_MINBLOCKSHIFT); + size_t rounded = (size_t)P2ROUNDUP(psize, + 1ULL << spa->spa_min_ashift); + if (rounded >= lsize) { compress = ZIO_COMPRESS_OFF; zio_buf_free(cbuf, lsize); + psize = lsize; } else { + bzero((char *)cbuf + psize, rounded - psize); + psize = rounded; zio_push_transform(zio, cbuf, psize, lsize, NULL); } |
