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OpenZFS 7027 - zfs_written_property_001_pos makes unreasonable assumptions about metadata space usage

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Reviewed by: Prakash Surya <prakash.surya@delphix.com>
Reviewed by: John Kennedy <john.kennedy@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Igor Kozhukhov <ikozhukhov@gmail.com>
Approved by: Gordon Ross <gordon.ross@nexenta.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Ported-by: Brian Behlendorf <behlendorf1@llnl.gov>

OpenZFS-issue: https://www.illumos.org/issues/7027
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/48cb8b9
Issue #2441
Closes #5778
This commit is contained in:
Akash Ayare 2016-06-02 21:00:23 -07:00 committed by Brian Behlendorf
parent 8db2dc32cd
commit 6dd95a910a
1 changed files with 5 additions and 5 deletions
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10
tests/zfs-tests/tests/functional/cli_root/zfs_property/zfs_written_property_001_pos.ksh
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@ -11,7 +11,7 @@
# #
# #
# Copyright (c) 2012 by Delphix. All rights reserved. # Copyright (c) 2012, 2015 by Delphix. All rights reserved.
# #
# #
@ -63,11 +63,8 @@ typeset -l total=0
typeset -l snap1_size=0 typeset -l snap1_size=0
typeset -l snap2_size=0 typeset -l snap2_size=0
typeset -l snap3_size=0 typeset -l snap3_size=0
typeset -l metadata=0
typeset -l mb_block=0 typeset -l mb_block=0
((mb_block = 1024 * 1024)) ((mb_block = 1024 * 1024))
# approximate metadata on dataset when empty is 32KB
((metadata = 32 * 1024))
log_note "verify written property statistics for dataset" log_note "verify written property statistics for dataset"
log_must $ZFS create -p $TESTPOOL/$TESTFS1/$TESTFS2/$TESTFS3 log_must $ZFS create -p $TESTPOOL/$TESTFS1/$TESTFS2/$TESTFS3
@ -90,7 +87,10 @@ blocks=0
for i in 1 2 3; do for i in 1 2 3; do
written=$(get_prop written $TESTPOOL/$TESTFS1@snap$i) written=$(get_prop written $TESTPOOL/$TESTFS1@snap$i)
if [[ $blocks -eq 0 ]]; then if [[ $blocks -eq 0 ]]; then
expected_written=$metadata # Written value for the frist non-clone snapshot is
# expected to be equal to the referenced value.
expected_written=$( \
get_prop referenced $TESTPOOL/$TESTFS1@snap$i)
else else
((expected_written = blocks * mb_block)) ((expected_written = blocks * mb_block))
fi fi