svn commit: r285025 - vendor-sys/illumos/dist/uts/common/fs/zfs

[Andriy Gapon]

Author: avg
Date: Thu Jul  2 11:01:27 2015
New Revision: 285025
URL: https://svnweb.freebsd.org/changeset/base/285025

Log:
  6033 arc_adjust() should search MFU lists for oldest buffer when adjusting MFU size
  
  illumos/illumos-gate at 31c46cf23cd1cf4d66390a983dc5072d7d299ba2
  
  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 at nexenta.com>
  Reviewed by: Xin Li <delphij at delphij.net>
  Reviewed by: Prakash Surya <me at prakashsurya.com>
  Approved by: Matthew Ahrens <mahrens at delphix.com>
  Author: Alek Pinchuk <alek at nexenta.com>
  Obtained from:	illumos

Modified:
  vendor-sys/illumos/dist/uts/common/fs/zfs/arc.c

Modified: vendor-sys/illumos/dist/uts/common/fs/zfs/arc.c
==============================================================================
--- vendor-sys/illumos/dist/uts/common/fs/zfs/arc.c	Thu Jul  2 10:57:34 2015	(r285024)
+++ vendor-sys/illumos/dist/uts/common/fs/zfs/arc.c	Thu Jul  2 11:01:27 2015	(r285025)
@@ -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.
  */
 
 /*
@@ -2850,7 +2850,7 @@ 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;