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From: "Benoît Canet" <benoit.canet@irqsave.net>
To: Eric Blake <eblake@redhat.com>
Cc: aliguori@us.ibm.com, "Benoît Canet" <benoit.canet@gmail.com>,
	stefanha@linux.vnet.ibm.com, qemu-devel@nongnu.org,
	pbonzini@redhat.com, xiawenc@linux.vnet.ibm.com
Subject: Re: [Qemu-devel] [PATCH V4 1/2] qapi: Add SnapshotInfo and ImageInfo.
Date: Thu, 23 Aug 2012 09:38:31 +0200	[thread overview]
Message-ID: <20120823073831.GB2330@irqsave.net> (raw)
In-Reply-To: <5034E6A2.7060900@redhat.com>

> That seems backwards - with a raw file, don't you know the actual size,
> but have no idea what it can further grow to?
In raw it commes from fstat() with the field st.st_blocks.

from man:
blkcnt_t  st_blocks;  /* number of 512B blocks allocated */

Benoît

  parent reply	other threads:[~2012-08-23  7:38 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-22 12:45 [Qemu-devel] [PATCH V4 0/2] Add JSON output to qemu-img info Benoît Canet
2012-08-22 12:45 ` [Qemu-devel] [PATCH V4 1/2] qapi: Add SnapshotInfo and ImageInfo Benoît Canet
2012-08-22 14:03   ` Eric Blake
2012-08-22 14:32     ` Benoît Canet
2012-08-22 14:56       ` Eric Blake
2012-08-22 15:51         ` Benoît Canet
2012-08-23  7:34     ` Benoît Canet
2012-08-23  7:38     ` Benoît Canet [this message]
2012-08-22 12:45 ` [Qemu-devel] [PATCH V4 2/2] qemu-img: Add json output option to the info command Benoît Canet
2012-08-22 14:26   ` Eric Blake

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