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MFV r285025: 6033 arc_adjust() should search MFU lists for oldest buffer

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when adjusting MFU size.

illumos/illumos-gate@31c46cf23c

https://www.illumos.org/issues/6033
  When we're looking for the list containing oldest buffer we never
  actually look at the MFU lists even when we try to evict from MFU.
  looks like a copy paste error, the fix is here:

Reviewed by: Saso Kiselkov <saso.kiselkov@nexenta.com>
Reviewed by: Xin Li <delphij@delphij.net>
Reviewed by: Prakash Surya <me@prakashsurya.com>
Approved by: Matthew Ahrens <mahrens@delphix.com>
Author: Alek Pinchuk <alek@nexenta.com>
Obtained from:  illumos
This commit is contained in:
Alexander Motin 2015-08-14 09:33:46 +00:00
commit ab4930d98c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=286764
1 changed files with 2 additions and 2 deletions
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4
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c
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@ -23,7 +23,7 @@
* Copyright (c) 2012, Joyent, Inc. All rights reserved.
* Copyright (c) 2011, 2014 by Delphix. All rights reserved.
* Copyright (c) 2014 by Saso Kiselkov. All rights reserved.
* Copyright 2014 Nexenta Systems, Inc. All rights reserved.
* Copyright 2015 Nexenta Systems, Inc. All rights reserved.
*/
/*
@ -3115,7 +3115,7 @@ arc_adjust(void)
*/
target = arc_size - arc_c;
if (arc_adjust_type(arc_mru) == ARC_BUFC_METADATA &&
if (arc_adjust_type(arc_mfu) == ARC_BUFC_METADATA &&
arc_meta_used > arc_meta_min) {
bytes = arc_adjust_impl(arc_mfu, 0, target, ARC_BUFC_METADATA);
total_evicted += bytes;