zfs: merge openzfs/zfs@75b4cbf62 (master) into main

Notable upstream pull request merges:
  #11710 Allow zfs to send replication streams with missing snapshots
  #11751 Avoid taking global lock to destroy zfsdev state
  #11786 Ratelimit deadman zevents as with delay zevents
  #11803 ZFS traverse_visitbp optimization to limit prefetch
  #11813 Allow pool names that look like Solaris disk names
  #11822 Atomically check and set dropped zevent count
  #11822 Don't scale zfs_zevent_len_max by CPU count
  #11833 Refactor zfsdev state init/destroy to share common code
  #11837 zfs get -p only outputs 3 columns if "clones" property is empty
  #11843 libzutil: zfs_isnumber(): return false if input empty
  #11849 Use dsl_scan_setup_check() to setup a scrub
  #11861 Improvements to the 'compatibility' property
  #11862 cmd/zfs receive: allow dry-run (-n) to check property args
  #11864 receive: don't fail inheriting (-x) properties on wrong dataset type
  #11877 Combine zio caches if possible
  #11881 FreeBSD: use vnlru_free_vfsops if available
  #11883 FreeBSD: add support for lockless symlink lookup
  #11884 FreeBSD: add missing seqc write begin/end around zfs_acl_chown_setattr
  #11896 Fix crash in zio_done error reporting
  #11905 zfs-send(8): Restore sorting of flags
  #11926 FreeBSD: damage control racing .. lookups in face of mkdir/rmdir
  #11930 vdev_mirror: don't scrub/resilver devices that can't be read
  #11938 Fix AVX512BW Fletcher code on AVX512-but-not-BW machines
  #11955 zfs get: don't lookup mount options when using "-s local"
  #11956 libzfs: add keylocation=https://, backed by fetch(3) or libcurl
  #11959 vdev_id: variable not getting expanded under map_slot()
  #11966 Scale worker threads and taskqs with number of CPUs
  #11994 Clean up use of zfs_log_create in zfs_dir
  #11997 FreeBSD: Don't force xattr mount option
  #11997 FreeBSD: Implement xattr=sa
  #11997 FreeBSD: Use SET_ERROR to trace xattr name errors
  #11998 Simplify/fix dnode_move() for dn_zfetch
  #12003 FreeBSD: Initialize/destroy zp->z_lock
  #12010 Fix dRAID self-healing short columns
  #12033 Revert "Fix raw sends on encrypted datasets when copying back snapshots"
  #12040 Reinstate the old zpool read label logic as a fallback
  #12046 Improve scrub maxinflight_bytes math
  #12049 FreeBSD: avoid memory allocation in arc_prune_async
  #12052 FreeBSD: incorporate changes to the VFS_QUOTACTL(9) KPI
  #12061 Fix dRAID sequential resilver silent damage handling
  #12072 Let zfs diff be more permissive
  #12077 FreeBSD: Retry OCF ENOMEM errors.
  #12088 Propagate vdev state due to invalid label corruption
  #12091 libzfs: On FreeBSD, use MNT_NOWAIT with getfsstat
  #12097 FreeBSD: Update dataset_kstats for zvols in dev mode
  #12104 FreeBSD boot code reminder after zpool upgrade
  #12114 Introduce write-mostly sums

Obtained from:	OpenZFS
OpenZFS commit:	75b4cbf62590c23fac3667537961a2a75fdc2cc3

1 files changed, 9 insertions, 0 deletions

diff --git a/sys/contrib/openzfs/module/zfs/vdev_mirror.c b/sys/contrib/openzfs/module/zfs/vdev_mirror.c
index f360a18c0041..106678a8708e 100644
--- a/sys/contrib/openzfs/module/zfs/vdev_mirror.c
+++ b/sys/contrib/openzfs/module/zfs/vdev_mirror.c
@@ -649,6 +649,15 @@ vdev_mirror_io_start(zio_t *zio)
 			 */
 			for (c = 0; c < mm->mm_children; c++) {
 				mc = &mm->mm_child[c];
+
+				/* Don't issue ZIOs to offline children */
+				if (!vdev_mirror_child_readable(mc)) {
+					mc->mc_error = SET_ERROR(ENXIO);
+					mc->mc_tried = 1;
+					mc->mc_skipped = 1;
+					continue;
+				}
+
 				zio_nowait(zio_vdev_child_io(zio, zio->io_bp,
 				    mc->mc_vd, mc->mc_offset,
 				    abd_alloc_sametype(zio->io_abd,