linux-ext4 - Re: [PATCH] ext4: add sysfs entry showing whether the fs contains errors

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Message-ID: <20140506192325.GB5012@thunk.org>
Date:	Tue, 6 May 2014 15:23:26 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	"Darrick J. Wong" <darrick.wong@...cle.com>
Cc:	Lukas Czerner <lczerner@...hat.com>, linux-ext4@...r.kernel.org,
	nikola.ciprich@...uxbox.cz
Subject: Re: [PATCH] ext4: add sysfs entry showing whether the fs contains
 errors

On Tue, May 06, 2014 at 10:43:01AM -0700, Darrick J. Wong wrote:
> 
> Minor complaint: "contains" makes me think that cat'ing that file will return
> either 0 or 1, not a string of error text.  Perhaps we could shorten it to
> /sys/fs/ext4/sda/errors ?

What I'd suggest doing is simply calling it errors_count, and
returning s_error_count.  While we're at it, we could also return
s_first_error_time and s_last_error_time as well, since I imagine
those would could be quite useful for someone trying to create a
system health monitoring daemon.

Cheers,

						- Ted
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