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Illumos 5818 - zfs {ref}compressratio is incorrect with 4k sector size

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5818 zfs {ref}compressratio is incorrect with 4k sector size
Reviewed by: Alex Reece <alex@delphix.com>
Reviewed by: George Wilson <george@delphix.com>
Reviewed by: Richard Elling <richard.elling@richardelling.com>
Reviewed by: Steven Hartland <killing@multiplay.co.uk>
Approved by: Albert Lee <trisk@omniti.com>

References:
  https://www.illumos.org/issues/5818
  https://github.com/illumos/illumos-gate/commit/81cd5c5

Ported-by: Don Brady <don.brady@intel.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #3432
This commit is contained in:
Matthew Ahrens
2015-05-19 22:14:01 -06:00
committed by Brian Behlendorf
parent 9c43027b3f
commit c3520e7f1f
7 changed files with 45 additions and 33 deletions
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module/zfs/spa_misc.c
+4 -1
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@@ -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) 2014 Spectra Logic Corporation, All rights reserved.
*/
@@ -623,6 +623,9 @@ 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