From: Al Viro <viro@ftp.linux.org.uk>
To: Parag Warudkar <kernel-stuff@comcast.net>
Cc: "linux-os (Dick Johnson)" <linux-os@analogic.com>,
Linux kernel <linux-kernel@vger.kernel.org>
Subject: Re: Compatible fstat()
Date: Tue, 8 Nov 2005 17:22:44 +0000 [thread overview]
Message-ID: <20051108172244.GR7992@ftp.linux.org.uk> (raw)
In-Reply-To: <3587A59B-14FA-4E0F-A598-577E944FCF36@comcast.net>
On Tue, Nov 08, 2005 at 12:10:25PM -0500, Parag Warudkar wrote:
>
> On Nov 8, 2005, at 10:48 AM, linux-os ((Dick Johnson)) wrote:
>
> >The Linux fstat() doesn't return any information number of blocks,
> >or the byte-length of a physical hard disk.
>
> I don't think (f)stat returns size and blocks information about a
> block device on any UNIX platform.
>
> But I don't know for sure how to get it - perhaps ioctl on the
> device? BLKGETSIZE?
fd = open(bdev, O_RDONLY);
lseek(fd, SEEK_END, 0);
size = lseek(fd, SEEK_SET, 0);
close(fd);
i.e. same as for regular files. Won't be portable, though...
next prev parent reply other threads:[~2005-11-08 17:22 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-08 15:48 Compatible fstat() linux-os (Dick Johnson)
2005-11-08 17:10 ` Parag Warudkar
2005-11-08 17:22 ` Al Viro [this message]
2005-11-08 17:56 ` linux-os (Dick Johnson)
2005-11-08 17:58 ` Parag Warudkar
2005-11-08 18:10 ` linux-os (Dick Johnson)
2005-11-08 18:15 ` Parag Warudkar
2005-11-08 18:20 ` linux-os (Dick Johnson)
2005-11-08 19:39 ` Bob Copeland
2005-11-08 20:03 ` linux-os (Dick Johnson)
2005-11-08 21:06 ` Parag Warudkar
2005-11-08 22:57 ` Bill Davidsen
2005-11-09 0:14 ` Parag Warudkar
2005-11-12 13:41 ` Bill Davidsen
2005-11-08 18:49 ` Theodore Ts'o
2005-11-08 19:12 ` Parag Warudkar
2005-11-09 3:23 ` Theodore Ts'o
2005-11-08 17:53 ` linux-os (Dick Johnson)
2005-11-08 18:04 ` Parag Warudkar
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