Date: Wed, 20 Jul 2016 09:47:35 +0000 (UTC) From: Andriy Gapon <avg@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-vendor@freebsd.org Subject: svn commit: r303077 - vendor-sys/illumos/dist/uts/common/fs/zfs Message-ID: <201607200947.u6K9lZXg049725@repo.freebsd.org>
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Author: avg Date: Wed Jul 20 09:47:35 2016 New Revision: 303077 URL: https://svnweb.freebsd.org/changeset/base/303077 Log: 7072 zfs fails to expand if lun added when os is in shutdown state illumos/illumos-gate@c39a2aae1e2c439d156021edfc20910dad7f9891 https://github.com/illumos/illumos-gate/commit/c39a2aae1e2c439d156021edfc20910dad7f9891 https://www.illumos.org/issues/7072 upstream: 38733 zfs fails to expand if lun added when os is in shutdown state DLPX-36910 spares and caches should not display expandable space DLPX-39262 vdev_disk_open spam zfs_dbgmsg buffer Reviewed by: Igor Kozhukhov <ikozhukhov@gmail.com> Reviewed by: Dan Kimmel <dan.kimmel@delphix.com> Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Prakash Surya <prakash.surya@delphix.com> Reviewed by: Alex Reece <alex@delphix.com> Approved by: Dan McDonald <danmcd@omniti.com> Author: George Wilson <george.wilson@delphix.com> Modified: vendor-sys/illumos/dist/uts/common/fs/zfs/metaslab.c vendor-sys/illumos/dist/uts/common/fs/zfs/vdev.c vendor-sys/illumos/dist/uts/common/fs/zfs/vdev_disk.c Modified: vendor-sys/illumos/dist/uts/common/fs/zfs/metaslab.c ============================================================================== --- vendor-sys/illumos/dist/uts/common/fs/zfs/metaslab.c Wed Jul 20 09:29:39 2016 (r303076) +++ vendor-sys/illumos/dist/uts/common/fs/zfs/metaslab.c Wed Jul 20 09:47:35 2016 (r303077) @@ -381,7 +381,13 @@ metaslab_class_expandable_space(metaslab continue; } - space += tvd->vdev_max_asize - tvd->vdev_asize; + /* + * Calculate if we have enough space to add additional + * metaslabs. We report the expandable space in terms + * of the metaslab size since that's the unit of expansion. + */ + space += P2ALIGN(tvd->vdev_max_asize - tvd->vdev_asize, + 1ULL << tvd->vdev_ms_shift); } spa_config_exit(mc->mc_spa, SCL_VDEV, FTAG); return (space); Modified: vendor-sys/illumos/dist/uts/common/fs/zfs/vdev.c ============================================================================== --- vendor-sys/illumos/dist/uts/common/fs/zfs/vdev.c Wed Jul 20 09:29:39 2016 (r303076) +++ vendor-sys/illumos/dist/uts/common/fs/zfs/vdev.c Wed Jul 20 09:47:35 2016 (r303077) @@ -2731,6 +2731,7 @@ vdev_get_stats(vdev_t *vd, vdev_stat_t * { spa_t *spa = vd->vdev_spa; vdev_t *rvd = spa->spa_root_vdev; + vdev_t *tvd = vd->vdev_top; ASSERT(spa_config_held(spa, SCL_ALL, RW_READER) != 0); @@ -2741,7 +2742,15 @@ vdev_get_stats(vdev_t *vd, vdev_stat_t * vs->vs_rsize = vdev_get_min_asize(vd); if (vd->vdev_ops->vdev_op_leaf) vs->vs_rsize += VDEV_LABEL_START_SIZE + VDEV_LABEL_END_SIZE; - vs->vs_esize = vd->vdev_max_asize - vd->vdev_asize; + /* + * Report expandable space on top-level, non-auxillary devices only. + * The expandable space is reported in terms of metaslab sized units + * since that determines how much space the pool can expand. + */ + if (vd->vdev_aux == NULL && tvd != NULL) { + vs->vs_esize = P2ALIGN(vd->vdev_max_asize - vd->vdev_asize, + 1ULL << tvd->vdev_ms_shift); + } if (vd->vdev_aux == NULL && vd == vd->vdev_top && !vd->vdev_ishole) { vs->vs_fragmentation = vd->vdev_mg->mg_fragmentation; } Modified: vendor-sys/illumos/dist/uts/common/fs/zfs/vdev_disk.c ============================================================================== --- vendor-sys/illumos/dist/uts/common/fs/zfs/vdev_disk.c Wed Jul 20 09:29:39 2016 (r303076) +++ vendor-sys/illumos/dist/uts/common/fs/zfs/vdev_disk.c Wed Jul 20 09:47:35 2016 (r303077) @@ -241,34 +241,6 @@ vdev_disk_rele(vdev_t *vd) } } -static uint64_t -vdev_disk_get_space(vdev_t *vd, uint64_t capacity, uint_t blksz) -{ - ASSERT(vd->vdev_wholedisk); - - vdev_disk_t *dvd = vd->vdev_tsd; - dk_efi_t dk_ioc; - efi_gpt_t *efi; - uint64_t avail_space = 0; - int efisize = EFI_LABEL_SIZE * 2; - - dk_ioc.dki_data = kmem_alloc(efisize, KM_SLEEP); - dk_ioc.dki_lba = 1; - dk_ioc.dki_length = efisize; - dk_ioc.dki_data_64 = (uint64_t)(uintptr_t)dk_ioc.dki_data; - efi = dk_ioc.dki_data; - - if (ldi_ioctl(dvd->vd_lh, DKIOCGETEFI, (intptr_t)&dk_ioc, - FKIOCTL, kcred, NULL) == 0) { - uint64_t efi_altern_lba = LE_64(efi->efi_gpt_AlternateLBA); - - if (capacity > efi_altern_lba) - avail_space = (capacity - efi_altern_lba) * blksz; - } - kmem_free(dk_ioc.dki_data, efisize); - return (avail_space); -} - /* * We want to be loud in DEBUG kernels when DKIOCGMEDIAINFOEXT fails, or when * even a fallback to DKIOCGMEDIAINFO fails. @@ -559,10 +531,7 @@ skip_open: * Adjust max_psize upward accordingly since we know * we own the whole disk now. */ - *max_psize += vdev_disk_get_space(vd, capacity, blksz); - zfs_dbgmsg("capacity change: vdev %s, psize %llu, " - "max_psize %llu", vd->vdev_path, *psize, - *max_psize); + *max_psize = capacity * blksz; } /*
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