diff --git a/man/man7/zpool-features.7 b/man/man7/zpool-features.7 index efe9e8339..2b7dcb638 100644 --- a/man/man7/zpool-features.7 +++ b/man/man7/zpool-features.7 @@ -562,13 +562,12 @@ This feature enables the upgraded version of errlog, which required an on-disk error log format change. Now the error log of each head dataset is stored separately in the zap object and keyed by the head id. -In case of encrypted filesystems with unloaded keys or unmounted encrypted -filesystems we are unable to check their snapshots or clones for errors and -these will not be reported. -In this case no filenames will be reported either. With this feature enabled, every dataset affected by an error block is listed in the output of .Nm zpool Cm status . +In case of encrypted filesystems with unloaded keys we are unable to check +their snapshots or clones for errors and these will not be reported. +An "access denied" error will be reported. .Pp \*[instant-never] . diff --git a/module/zfs/spa_errlog.c b/module/zfs/spa_errlog.c index e0604c4a8..44950a769 100644 --- a/module/zfs/spa_errlog.c +++ b/module/zfs/spa_errlog.c @@ -163,15 +163,15 @@ name_to_object(char *buf, uint64_t *obj) static int get_head_ds(spa_t *spa, uint64_t dsobj, uint64_t *head_ds) { dsl_dataset_t *ds; - int error = dsl_dataset_hold_obj(spa->spa_dsl_pool, - dsobj, FTAG, &ds); + int error = dsl_dataset_hold_obj_flags(spa->spa_dsl_pool, + dsobj, DS_HOLD_FLAG_DECRYPT, FTAG, &ds); if (error != 0) return (error); ASSERT(head_ds); *head_ds = dsl_dir_phys(ds->ds_dir)->dd_head_dataset_obj; - dsl_dataset_rele(ds, FTAG); + dsl_dataset_rele_flags(ds, DS_HOLD_FLAG_DECRYPT, FTAG); return (error); } @@ -297,7 +297,8 @@ check_filesystem(spa_t *spa, uint64_t head_ds, zbookmark_err_phys_t *zep, dsl_dataset_t *ds; dsl_pool_t *dp = spa->spa_dsl_pool; - int error = dsl_dataset_hold_obj(dp, head_ds, FTAG, &ds); + int error = dsl_dataset_hold_obj_flags(dp, head_ds, + DS_HOLD_FLAG_DECRYPT, FTAG, &ds); if (error != 0) return (error); @@ -306,23 +307,6 @@ check_filesystem(spa_t *spa, uint64_t head_ds, zbookmark_err_phys_t *zep, boolean_t check_snapshot = B_TRUE; error = find_birth_txg(ds, zep, &latest_txg); - /* - * If the filesystem is encrypted and the key is not loaded - * or the encrypted filesystem is not mounted the error will be EACCES. - * In that case report an error in the head filesystem and return. - */ - if (error == EACCES) { - dsl_dataset_rele(ds, FTAG); - zbookmark_phys_t zb; - zep_to_zb(head_ds, zep, &zb); - error = copyout_entry(&zb, uaddr, count); - if (error != 0) { - dsl_dataset_rele(ds, FTAG); - return (error); - } - return (0); - } - /* * If find_birth_txg() errors out otherwise, let txg_to_consider be * equal to the spa's syncing txg: if check_filesystem() errors out @@ -334,7 +318,7 @@ check_filesystem(spa_t *spa, uint64_t head_ds, zbookmark_err_phys_t *zep, zep_to_zb(head_ds, zep, &zb); error = copyout_entry(&zb, uaddr, count); if (error != 0) { - dsl_dataset_rele(ds, FTAG); + dsl_dataset_rele_flags(ds, DS_HOLD_FLAG_DECRYPT, FTAG); return (error); } check_snapshot = B_FALSE; @@ -352,14 +336,14 @@ check_filesystem(spa_t *spa, uint64_t head_ds, zbookmark_err_phys_t *zep, dsl_dataset_phys(ds)->ds_snapnames_zapobj, &snap_count); if (error != 0) { - dsl_dataset_rele(ds, FTAG); + dsl_dataset_rele_flags(ds, DS_HOLD_FLAG_DECRYPT, FTAG); return (error); } } if (snap_count == 0) { /* Filesystem without snapshots. */ - dsl_dataset_rele(ds, FTAG); + dsl_dataset_rele_flags(ds, DS_HOLD_FLAG_DECRYPT, FTAG); return (0); } @@ -371,20 +355,21 @@ check_filesystem(spa_t *spa, uint64_t head_ds, zbookmark_err_phys_t *zep, uint64_t snap_obj_txg = dsl_dataset_phys(ds)->ds_prev_snap_txg; uint64_t zap_clone = dsl_dir_phys(ds->ds_dir)->dd_clones; - dsl_dataset_rele(ds, FTAG); + dsl_dataset_rele_flags(ds, DS_HOLD_FLAG_DECRYPT, FTAG); /* Check only snapshots created from this file system. */ while (snap_obj != 0 && zep->zb_birth < snap_obj_txg && snap_obj_txg <= txg_to_consider) { - error = dsl_dataset_hold_obj(dp, snap_obj, FTAG, &ds); + error = dsl_dataset_hold_obj_flags(dp, snap_obj, + DS_HOLD_FLAG_DECRYPT, FTAG, &ds); if (error != 0) goto out; if (dsl_dir_phys(ds->ds_dir)->dd_head_dataset_obj != head_ds) { snap_obj = dsl_dataset_phys(ds)->ds_prev_snap_obj; snap_obj_txg = dsl_dataset_phys(ds)->ds_prev_snap_txg; - dsl_dataset_rele(ds, FTAG); + dsl_dataset_rele_flags(ds, DS_HOLD_FLAG_DECRYPT, FTAG); continue; } @@ -404,13 +389,14 @@ check_filesystem(spa_t *spa, uint64_t head_ds, zbookmark_err_phys_t *zep, zep_to_zb(snap_obj, zep, &zb); error = copyout_entry(&zb, uaddr, count); if (error != 0) { - dsl_dataset_rele(ds, FTAG); + dsl_dataset_rele_flags(ds, DS_HOLD_FLAG_DECRYPT, + FTAG); goto out; } } snap_obj = dsl_dataset_phys(ds)->ds_prev_snap_obj; snap_obj_txg = dsl_dataset_phys(ds)->ds_prev_snap_txg; - dsl_dataset_rele(ds, FTAG); + dsl_dataset_rele_flags(ds, DS_HOLD_FLAG_DECRYPT, FTAG); } if (zap_clone == 0 || aff_snap_count == 0) @@ -428,8 +414,8 @@ check_filesystem(spa_t *spa, uint64_t head_ds, zbookmark_err_phys_t *zep, zap_cursor_advance(zc)) { dsl_dataset_t *clone; - error = dsl_dataset_hold_obj(dp, za->za_first_integer, - FTAG, &clone); + error = dsl_dataset_hold_obj_flags(dp, za->za_first_integer, + DS_HOLD_FLAG_DECRYPT, FTAG, &clone); if (error != 0) break; @@ -444,7 +430,7 @@ check_filesystem(spa_t *spa, uint64_t head_ds, zbookmark_err_phys_t *zep, == snap_obj_array[i]) found = B_TRUE; } - dsl_dataset_rele(clone, FTAG); + dsl_dataset_rele_flags(clone, DS_HOLD_FLAG_DECRYPT, FTAG); if (!found) continue; @@ -474,14 +460,14 @@ find_top_affected_fs(spa_t *spa, uint64_t head_ds, zbookmark_err_phys_t *zep, return (error); dsl_dataset_t *ds; - error = dsl_dataset_hold_obj(spa->spa_dsl_pool, oldest_dsobj, - FTAG, &ds); + error = dsl_dataset_hold_obj_flags(spa->spa_dsl_pool, oldest_dsobj, + DS_HOLD_FLAG_DECRYPT, FTAG, &ds); if (error != 0) return (error); *top_affected_fs = dsl_dir_phys(ds->ds_dir)->dd_head_dataset_obj; - dsl_dataset_rele(ds, FTAG); + dsl_dataset_rele_flags(ds, DS_HOLD_FLAG_DECRYPT, FTAG); return (0); } @@ -744,7 +730,8 @@ sync_upgrade_errlog(spa_t *spa, uint64_t spa_err_obj, uint64_t *newobj, dsl_dataset_t *ds; objset_t *os; - int error = dsl_dataset_hold_obj(dp, zb.zb_objset, FTAG, &ds); + int error = dsl_dataset_hold_obj_flags(dp, zb.zb_objset, + DS_HOLD_FLAG_DECRYPT, FTAG, &ds); if (error != 0) continue; @@ -759,7 +746,7 @@ sync_upgrade_errlog(spa_t *spa, uint64_t spa_err_obj, uint64_t *newobj, * truly persistent, it should re-appear after a scan. */ if (dmu_objset_from_ds(ds, &os) != 0) { - dsl_dataset_rele(ds, FTAG); + dsl_dataset_rele_flags(ds, DS_HOLD_FLAG_DECRYPT, FTAG); continue; } @@ -767,7 +754,7 @@ sync_upgrade_errlog(spa_t *spa, uint64_t spa_err_obj, uint64_t *newobj, blkptr_t bp; if (dnode_hold(os, zep.zb_object, FTAG, &dn) != 0) { - dsl_dataset_rele(ds, FTAG); + dsl_dataset_rele_flags(ds, DS_HOLD_FLAG_DECRYPT, FTAG); continue; } @@ -781,7 +768,7 @@ sync_upgrade_errlog(spa_t *spa, uint64_t spa_err_obj, uint64_t *newobj, rw_exit(&dn->dn_struct_rwlock); dnode_rele(dn, FTAG); - dsl_dataset_rele(ds, FTAG); + dsl_dataset_rele_flags(ds, DS_HOLD_FLAG_DECRYPT, FTAG); if (error != 0 || BP_IS_HOLE(&bp)) continue; @@ -1259,7 +1246,8 @@ find_txg_ancestor_snapshot(spa_t *spa, uint64_t new_head, uint64_t old_head, dsl_dataset_t *ds; dsl_pool_t *dp = spa->spa_dsl_pool; - int error = dsl_dataset_hold_obj(dp, old_head, FTAG, &ds); + int error = dsl_dataset_hold_obj_flags(dp, old_head, + DS_HOLD_FLAG_DECRYPT, FTAG, &ds); if (error != 0) return (error); @@ -1267,9 +1255,9 @@ find_txg_ancestor_snapshot(spa_t *spa, uint64_t new_head, uint64_t old_head, uint64_t prev_obj_txg = dsl_dataset_phys(ds)->ds_prev_snap_txg; while (prev_obj != 0) { - dsl_dataset_rele(ds, FTAG); - if ((error = dsl_dataset_hold_obj(dp, prev_obj, - FTAG, &ds)) == 0 && + dsl_dataset_rele_flags(ds, DS_HOLD_FLAG_DECRYPT, FTAG); + if ((error = dsl_dataset_hold_obj_flags(dp, prev_obj, + DS_HOLD_FLAG_DECRYPT, FTAG, &ds)) == 0 && dsl_dir_phys(ds->ds_dir)->dd_head_dataset_obj == new_head) break; @@ -1279,7 +1267,7 @@ find_txg_ancestor_snapshot(spa_t *spa, uint64_t new_head, uint64_t old_head, prev_obj_txg = dsl_dataset_phys(ds)->ds_prev_snap_txg; prev_obj = dsl_dataset_phys(ds)->ds_prev_snap_obj; } - dsl_dataset_rele(ds, FTAG); + dsl_dataset_rele_flags(ds, DS_HOLD_FLAG_DECRYPT, FTAG); ASSERT(prev_obj != 0); *txg = prev_obj_txg; return (0); diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_corrective.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_corrective.ksh index 9ebde1cd9..261fc5eed 100755 --- a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_corrective.ksh +++ b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_corrective.ksh @@ -163,7 +163,24 @@ corrupt_blocks_at_level "/$TESTPOOL/testfs5/$TESTFILE0" 0 log_must zfs unmount $TESTPOOL/testfs5 log_must zfs unload-key $TESTPOOL/testfs5 # test healing recv (on an encrypted dataset) using a raw send file -test_corrective_recv "$TESTPOOL/testfs5@snap1" $raw_backup +# This is a special case since with unloaded keys we cannot report errors +# in the filesystem. +log_must zpool scrub -w $TESTPOOL +log_must zpool status -v $TESTPOOL +log_mustnot eval "zpool status -v $TESTPOOL | \ + grep \"permission denied\"" +# make sure we will read the corruption from disk by flushing the ARC +log_must zinject -a +log_must eval "zfs recv -c $TESTPOOL/testfs5@snap1 < $raw_backup" + +log_must zpool scrub -w $TESTPOOL +log_must zpool status -v $TESTPOOL +log_mustnot eval "zpool status -v $TESTPOOL | \ + grep \"Permanent errors have been detected\"" +typeset cksum=$(md5digest $file) +[[ "$cksum" == "$checksum" ]] || \ + log_fail "Checksums differ ($cksum != $checksum)" + # non raw send file healing an encrypted dataset with an unloaded key will fail log_mustnot eval "zfs recv -c $TESTPOOL/testfs5@snap1 < $backup" diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_005_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_005_pos.ksh index 04cd18923..ec4c67fb4 100755 --- a/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_005_pos.ksh +++ b/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_005_pos.ksh @@ -29,7 +29,7 @@ # Verify correct output with 'zpool status -v' after corrupting a file # # STRATEGY: -# 1. Create a pool, an ancrypted filesystem and a file +# 1. Create a pool, an encrypted filesystem and a file # 2. zinject checksum errors # 3. Unmount the filesystem and unload the key # 4. Scrub the pool @@ -76,8 +76,8 @@ log_must zpool sync $TESTPOOL2 log_must zpool scrub $TESTPOOL2 log_must zpool wait -t scrub $TESTPOOL2 log_must zpool status -v $TESTPOOL2 -log_must eval "zpool status -v $TESTPOOL2 | \ - grep \"Permanent errors have been detected\"" +log_mustnot eval "zpool status -v $TESTPOOL2 | \ + grep \"permission denied\"" log_mustnot eval "zpool status -v $TESTPOOL2 | grep '$file'" log_must eval "cat /$TESTPOOL2/pwd | zfs load-key $TESTPOOL2/$TESTFS1"