commit | 696fcd535b5a8cfc0617e9cf1d9d69a13895cc1e | [log] [tgz] |
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author | Paul Clements <paul.clements@steeleye.com> | Mon Mar 08 16:02:37 2010 +1100 |
committer | NeilBrown <neilb@suse.de> | Tue May 18 15:27:46 2010 +1000 |
tree | b9f55833c83a41a6e047f0de82b17d9753ad0542 | |
parent | ee8b81b03dffa1c0075553d01c557714aedb85a1 [diff] |
md: expose max value of behind writes counter Keep track of the maximum number of concurrent write-behind requests for an md array and exposed this number in sysfs at md/bitmap/max_backlog_used Writing any value to this file will clear it. This allows userspace to be involved in tuning bitmap/backlog. Signed-off-by: Paul Clements <paul.clements@steeleye.com> Signed-off-by: NeilBrown <neilb@suse.de>