From: Tobias Geerinckx-Rice <me@tobias.gr>
Date: Sun, 16 Jun 2019 02:36:23 +0200
Subject: [PATCH] gnu: dstat: Skip devices without I/O.

Taken verbatim from a pull request[0] that will never be merged.

[0]: https://github.com/dagwieers/dstat/pull/164

From 0988589ea4ee092b285bd4049d56add5f61e3f69 Mon Sep 17 00:00:00 2001
From: Tobias Gruetzmacher <tobias-git@23.gs>
Date: Fri, 15 Feb 2019 18:46:57 +0100
Subject: [PATCH] Skip devices without I/O

Linux 4.18+ has added more fields to the diskstats proc file, so the
original skip condition for devices without I/O didn't apply anymore.
---
 dstat | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dstat b/dstat
index 9359965..5c2fb53 100755
--- a/dstat
+++ b/dstat
@@ -763,7 +763,7 @@ class dstat_disk(dstat):
         ret = []
         for l in self.splitlines():
             if len(l) < 13: continue
-            if l[3:] == ['0',] * 11: continue
+            if l[3:] == ['0',] * (len(l) - 3): continue
             name = l[2]
             ret.append(name)
         for item in objlist: ret.append(item)
href='/guix/refs/?id=687ef47768d12d36dd3718be564433fbb5309b0d'>refs</a><a class='active' href='/guix/log/nix/libstore/store-api.cc'>log</a><a href='/guix/tree/nix/libstore/store-api.cc?id=687ef47768d12d36dd3718be564433fbb5309b0d'>tree</a><a href='/guix/commit/nix/libstore/store-api.cc?id=687ef47768d12d36dd3718be564433fbb5309b0d'>commit</a><a href='/guix/diff/nix/libstore/store-api.cc?id=687ef47768d12d36dd3718be564433fbb5309b0d'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/nix/libstore/store-api.cc'>
<input type='hidden' name='id' value='687ef47768d12d36dd3718be564433fbb5309b0d'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=687ef47768d12d36dd3718be564433fbb5309b0d'>root</a>/<a href='/guix/log/nix?id=687ef47768d12d36dd3718be564433fbb5309b0d'>nix</a>/<a href='/guix/log/nix/libstore?id=687ef47768d12d36dd3718be564433fbb5309b0d'>libstore</a>/<a href='/guix/log/nix/libstore/store-api.cc?id=687ef47768d12d36dd3718be564433fbb5309b0d'>store-api.cc</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/nix/libstore/store-api.cc?id=687ef47768d12d36dd3718be564433fbb5309b0d&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>