From: Peter Staubach <staubach@redhat.com>
To: Mohit Katiyar <katiyar.mohit@gmail.com>
Cc: linux-fsdevel@vger.kernel.org
Subject: Re: nfs mounting operation
Date: Thu, 28 Sep 2006 08:44:55 -0400 [thread overview]
Message-ID: <451BC3C7.4030308@redhat.com> (raw)
In-Reply-To: <46465bb30609272113i4daf0b9em1f32e03f35bf9fb7@mail.gmail.com>
Mohit Katiyar wrote:
> Hi all,
>
> I am new to the NFS filesystem. When we perfrom a nfs mount the
> nfs_getattr function is called. I would like to know why this getattr
> function is called and from which function in the vfs layer. I think
> it comes from vfs_stat_fd function but what are the parameters passed
> to it for calling get_attribute. Basically whose attributes are being
> searched??
> The same case with unmounting operation. why this getattr function is
> called and from where in vfs layer it is invoked?
> I am using linux-2.6.15.
The over the wire GETATTR function is used during mounting to get the
initial set of attributes for the root of the mounted file system.
From time to time, GETATTR is also used to validate the attributes and
cached resources associated with entities on the mounted file system.
ps
next prev parent reply other threads:[~2006-09-28 12:44 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-28 4:13 nfs mounting operation Mohit Katiyar
2006-09-28 12:44 ` Peter Staubach [this message]
2006-09-29 4:05 ` Mohit Katiyar
2006-09-29 12:32 ` Peter Staubach
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