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From: UZAIR LAKHANI <uzairr_bs1b@yahoo.com>
To: linux-fsdevel@vger.kernel.org
Subject: Regarding Wrapfs Code - function wrapfs_interpose
Date: Fri, 7 Apr 2006 21:51:46 -0700 (PDT)	[thread overview]
Message-ID: <20060408045146.59678.qmail@web37907.mail.mud.yahoo.com> (raw)

Hello All,

I want to find out the purpose of a part of Wrapfs
code.

The function name is wrapfs_interpose

The code is

/* check that the lower file system didn't cross a
mount point */
	if (lower_inode->i_sb != SUPERBLOCK_TO_LOWER(sb)) {
		err = -EXDEV;
		goto out;
	}

I want to find out what is the purpose of the above
check.

Thanks,

Uzair Lakhnai
Karachi, Pakistan


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             reply	other threads:[~2006-04-08  4:51 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-04-08  4:51 UZAIR LAKHANI [this message]
2006-04-08 13:10 ` Regarding Wrapfs Code - function wrapfs_interpose Avishay Traeger
2006-04-08 19:00   ` Erez Zadok

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