From: Eric Sandeen <sandeen@sandeen.net>
To: Bogdan <bogdandr@op.pl>
Cc: xfs@oss.sgi.com
Subject: Re: Does XFS support sharing blocks?
Date: Thu, 12 Jun 2008 15:16:15 -0500 [thread overview]
Message-ID: <4851840F.6060404@sandeen.net> (raw)
In-Reply-To: <485157D2.5050906@op.pl>
Bogdan wrote:
> Hello.
>
> I have a question: does the XFS filesystem support sharing blocks
> between objects (files, symlinks, fifos, ...). I mean, can 2 distinct
> objects have their data inside one physical block? If not, what is the
> "offset" field for in xfs_db output:
>
> xfs_db> inode 19331
> xfs_db> bmap -d
> data offset 0 startblock 1212 (0/1212) count 1 flag 0
it's simply the block number in the file.
You have a 1 block file, it's first (and only) block is at physical
block 1212 (block 1212 in AG 0)
-Eric
prev parent reply other threads:[~2008-06-12 20:15 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-12 17:07 Does XFS support sharing blocks? Bogdan
2008-06-12 20:16 ` Eric Sandeen [this message]
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