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Illumos 3897 - zfs filesystem and snapshot limits

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3897 zfs filesystem and snapshot limits
Author: Jerry Jelinek <jerry.jelinek@joyent.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Approved by: Christopher Siden <christopher.siden@delphix.com>

References:
  https://www.illumos.org/issues/3897
  https://github.com/illumos/illumos-gate/commit/a2afb61

Porting Notes:

dsl_dataset_snapshot_check(): reduce stack usage using kmem_alloc().

Ported-by: Chris Dunlop <chris@onthe.net.au>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Jerry Jelinek
2015-04-02 00:07:48 +11:00
committed by Brian Behlendorf
parent 308a451f7f
commit 788eb90c4c
19 changed files with 1021 additions and 27 deletions
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include/sys/fs/zfs.h
+5 -1
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@@ -23,7 +23,7 @@
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2011, 2014 by Delphix. All rights reserved.
* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
* Copyright (c) 2012, Joyent, Inc. All rights reserved.
* Copyright (c) 2013, Joyent, Inc. All rights reserved.
*/
/* Portions Copyright 2010 Robert Milkowski */
@@ -142,6 +142,10 @@ typedef enum {
ZFS_PROP_LOGICALUSED,
ZFS_PROP_LOGICALREFERENCED,
ZFS_PROP_INCONSISTENT, /* not exposed to the user */
ZFS_PROP_FILESYSTEM_LIMIT,
ZFS_PROP_SNAPSHOT_LIMIT,
ZFS_PROP_FILESYSTEM_COUNT,
ZFS_PROP_SNAPSHOT_COUNT,
ZFS_PROP_SNAPDEV,
ZFS_PROP_ACLTYPE,
ZFS_PROP_SELINUX_CONTEXT,