From: Ted Ts'o <tytso@mit.edu>
To: Dmitry Monakhov <dmonakhov@openvz.org>
Cc: linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, jack@suse.cz
Subject: Re: [PATCH 2/3] ext4: Implement subtree ID support for ext4 filesystem
Date: Wed, 11 Jul 2012 13:17:10 -0400 [thread overview]
Message-ID: <20120711171710.GA8073@thunk.org> (raw)
In-Reply-To: <87vchue2u6.fsf@dmbot.sw.ru>
On Wed, Jul 11, 2012 at 07:26:25PM +0400, Dmitry Monakhov wrote:
> Yes this looks reasonable, the only thing that we should aware of is id
> collision. We have to reserve pool numbers to quota group id's.
> This can be easily solved by changing disk structure of quota-file
> to use u64 on uid.
How many pool id's are you anticipating? Is 32-bits really not
enough? I'll note that uid_t and gid_t is only 32-bits today, and
part of my goal is to try to preserve compatibility with the existing
quota infrastructure.
- Ted
next prev parent reply other threads:[~2012-07-11 17:17 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-09 15:28 [PATCH 0/3] RFC: introduce extended inode owner identifier v10 Dmitry Monakhov
2012-07-09 15:28 ` [PATCH 1/3] Add additional owner identifier Dmitry Monakhov
2012-07-09 15:28 ` [PATCH 2/3] ext4: Implement subtree ID support for ext4 filesystem Dmitry Monakhov
2012-07-09 21:04 ` Ted Ts'o
2012-07-11 12:59 ` Dmitry Monakhov
2012-07-11 13:24 ` Theodore Ts'o
2012-07-11 15:26 ` Dmitry Monakhov
2012-07-11 17:17 ` Ted Ts'o [this message]
2012-07-09 15:28 ` [PATCH 3/3] ext4: add subtree quota support Dmitry Monakhov
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