From: Eric Sandeen <sandeen@redhat.com>
To: "Theodore Ts'o" <tytso@mit.edu>
Cc: Ext4 Developers List <linux-ext4@vger.kernel.org>
Subject: Re: [PATCH] ext4: add max_dir_size_kb mount option
Date: Fri, 10 Aug 2012 14:38:10 -0500 [thread overview]
Message-ID: <50256322.9040409@redhat.com> (raw)
In-Reply-To: <1344626638-31548-1-git-send-email-tytso@mit.edu>
On 8/10/12 2:23 PM, Theodore Ts'o wrote:
>
> So it is useful, in cloud server/data center environments, to be able
> to set a filesystem-wide cap on the maximum size of a directory, to
> ensure that directories never get larger than a sane size. We do this
> via a new mount option, max_dir_size_kb. If there is an attempt to
> grow the directory larger than max_dir_size_kb, the system call will
> return ENOSPC instead.
Can the commit message also describe more about the problem: how bad
it is, the root cause, and why it's so hard to fix properly?
Please also update Documentation/filesystems/ext4.txt so people
know for sure what the use & intent of this new knob is.
I guess it's self explanatory in the name but docs are easy & good.
-Eric
next prev parent reply other threads:[~2012-08-10 19:38 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-10 19:23 [PATCH] ext4: add max_dir_size_kb mount option Theodore Ts'o
2012-08-10 19:38 ` Eric Sandeen [this message]
2012-08-10 19:59 ` Theodore Ts'o
2012-08-10 20:16 ` Eric Sandeen
2012-08-10 21:59 ` Theodore Ts'o
2012-08-10 20:11 ` Jeff Moyer
2012-08-10 21:58 ` Theodore Ts'o
2012-08-10 23:14 ` Andreas Dilger
2012-08-11 1:40 ` [PATCH -v2] " Theodore Ts'o
2012-08-11 3:22 ` Andreas Dilger
2012-08-11 19:26 ` Theodore Ts'o
2012-08-11 21:10 ` Andreas Dilger
2012-08-11 21:13 ` Ted Ts'o
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