From: Tim Chase <tim@chase2k.com>
Date: Mon, 19 Sep 2016 16:28:35 +0000 (-0500)
Subject: Fix arc_adjust_meta_balanced()
X-Git-Tag: zfs-0.7.0-rc2~119
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=25e2ab16be74cb37934e6736a1dc10fd50a00c56;p=zfs

Fix arc_adjust_meta_balanced()

The type of "adjustmnt" was erroneously changed to unsigned when the compressed
ARC code was ported in d3c2ae1c0806b183a315e3d43cc8018cfdca79b5.

As a result of it being unsigned, the balanced metadata eviction logic
would evict all of the non-metadata.

Reviewed-by: Chris Severance <github.severach@spamgourmet.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed by: David Quigley <david.quigley@intel.com>
Signed-off-by: Tim Chase <tim@onlight.com>
Closes #5128
Closes #5129
---

diff --git a/module/zfs/arc.c b/module/zfs/arc.c
index 2bf7a9883..f848c4c09 100755
--- a/module/zfs/arc.c
+++ b/module/zfs/arc.c
@@ -3520,8 +3520,8 @@ arc_adjust_impl(arc_state_t *state, uint64_t spa, int64_t bytes,
 static uint64_t
 arc_adjust_meta_balanced(void)
 {
-	int64_t delta, prune = 0;
-	uint64_t adjustmnt, total_evicted = 0;
+	int64_t delta, prune = 0, adjustmnt;
+	uint64_t total_evicted = 0;
 	arc_buf_contents_t type = ARC_BUFC_DATA;
 	int restarts = MAX(zfs_arc_meta_adjust_restarts, 0);