| Date | Mon, 5 Apr 2021 17:29:08 +0200 | From | Pavel Machek <> | Subject | Re: [PATCH 5.10 004/126] ext4: shrink race window in ext4_should_retry_alloc() |
| |
Hi!
> From: Eric Whitney <enwlinux@gmail.com>
> A per filesystem percpu counter exported via sysfs is added to allow > users or developers to track the number of times the retry limit is > exceeded without resorting to debugging methods. This should provide > some insight into worst case retry behavior.
This adds new counter exported via sysfs, but no documentation of that counter...
Best regards, Pavel
> @@ -257,6 +259,7 @@ static struct attribute *ext4_attrs[] = { > ATTR_LIST(session_write_kbytes), > ATTR_LIST(lifetime_write_kbytes), > ATTR_LIST(reserved_clusters), > + ATTR_LIST(sra_exceeded_retry_limit), > ATTR_LIST(inode_readahead_blks), > ATTR_LIST(inode_goal), > ATTR_LIST(mb_stats),
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