zfs should optionally send holds

[mirror_zfs.git] / man / man5 / zfs-module-parameters.5

diff --git a/man/man5/zfs-module-parameters.5 b/man/man5/zfs-module-parameters.5
index c9dfceb7eca692810f11223ba8718d756472e044..dc9fcc6b4277e4d0722c913b01bc98c4b74b3ebe 100644 (file)
--- a/man/man5/zfs-module-parameters.5
+++ b/man/man5/zfs-module-parameters.5
@@ -1,7 +1,7 @@
 '\" te
 .\" Copyright (c) 2013 by Turbo Fredriksson <turbo@bayour.com>. All rights reserved.
-.\" Copyright (c) 2017 Datto Inc.
 .\" Copyright (c) 2018 by Delphix. All rights reserved.
+.\" Copyright (c) 2019 Datto Inc.
 .\" The contents of this file are subject to the terms of the Common Development
 .\" and Distribution License (the "License").  You may not use this file except
 .\" in compliance with the License. You can obtain a copy of the license at
@@ -14,7 +14,7 @@
 .\" CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your
 .\" own identifying information:
 .\" Portions Copyright [yyyy] [name of copyright owner]
-.TH ZFS-MODULE-PARAMETERS 5 "Oct 28, 2017"
+.TH ZFS-MODULE-PARAMETERS 5 "Feb 8, 2019"
 .SH NAME
 zfs\-module\-parameters \- ZFS module parameters
 .SH DESCRIPTION
@@ -320,7 +320,7 @@ Use \fB1\fR for yes (default) and \fB0\fR for no.
 .sp
 .ne 2
 .na
-\fBvdev_max_ms_count\fR (int)
+\fBzfs_vdev_default_ms_count\fR (int)
 .ad
 .RS 12n
 When a vdev is added target this number of metaslabs per top-level vdev.
@@ -331,7 +331,7 @@ Default value: \fB200\fR.
 .sp
 .ne 2
 .na
-\fBvdev_min_ms_count\fR (int)
+\fBzfs_vdev_min_ms_count\fR (int)
 .ad
 .RS 12n
 Minimum number of metaslabs to create in a top-level vdev.
@@ -1149,6 +1149,21 @@ Rate limit delay zevents (which report slow I/Os) to this many per second.
 Default value: 20
 .RE
 
+.sp
+.ne 2
+.na
+\fBzfs_unlink_suspend_progress\fR (uint)
+.ad
+.RS 12n
+When enabled, files will not be asynchronously removed from the list of pending
+unlinks and the space they consume will be leaked. Once this option has been
+disabled and the dataset is remounted, the pending unlinks will be processed
+and the freed space returned to the pool.
+This option is used by the test suite to facilitate testing.
+.sp
+Uses \fB0\fR (default) to allow progress and \fB1\fR to pause progress.
+.RE
+
 .sp
 .ne 2
 .na
@@ -1955,12 +1970,12 @@ Default value: \fB52,428,800\fR.
 \fBzfs_per_txg_dirty_frees_percent \fR (ulong)
 .ad
 .RS 12n
-Tunable to control percentage of dirtied blocks from frees in one TXG.
-After this threshold is crossed, additional dirty blocks from frees
-wait until the next TXG.
+Tunable to control percentage of dirtied indirect blocks from frees allowed
+into one TXG. After this threshold is crossed, additional frees will wait until
+the next TXG.
 A value of zero will disable this throttle.
 .sp
-Default value: \fB30\fR and \fB0\fR to disable.
+Default value: \fB5\fR, set to \fB0\fR to disable.
 .RE
 
 .sp