Re: Where's the create() pointer?

From: Trond Myklebust
Date: Sat Jan 19 2008 - 11:13:17 EST



On Sat, 2008-01-19 at 08:07 -0700, Justin Banks wrote:
> It's probably been this way for a long time, and I'm just noticing, but
> I can't seem to find the create() (among others) pointer for NFS filesystems.
>
> Specifically, If I look at sb->s_root->d_inode->i_op there's no create
> there. How do I find it? I'm guessing that the ability to share mount
> structures between multiple NFS mounts resulted in some kind of fake
> superblock, but I just can't figure out where to find the functions.

Why would you want to do this in the first place?

Anyhow, to answer the question: sb->s_root is not guaranteed to be a
real file on NFS. The real mountpoints are usually in the anonymous
dentry list.

Trond

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