linux-kernel - Re: Two questions regarding Opening files within Kernel!

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Date:	Sat, 7 Apr 2007 20:44:35 +0200 (MEST)
From:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
To:	JanuGerman <doublemalam@...oo.co.uk>
cc:	linuxkernel <linux-kernel@...r.kernel.org>
Subject: Re: Two questions regarding Opening files within Kernel!


On Apr 7 2007 16:57, JanuGerman wrote:
>
>Thanks Jan for the response.
>
>>struct dentry *foooobar = lookup_one_len("/foo/bar", current->fs->root);
>
>But that gives me a dentry, where as file object is still not reachable.

So use filp_open.

>Question: I am currently using a function called fs.h/dentry_open which takes
>a "dentry", "vfsmount" object and flag (usually RW i.e. 2), and gives me the
>file object. with your suggested method, vfsmount is still not available. In
>this regard, any idea about a function, which gives directly the file object
>instead of dentry will be highly appreciated.
>
>
>OR,  (Kindly see the code below), i need some thing for "missing vfsmount".
>
>
>    struct dentry *foooobar = lookup_one_len("/foo/bar", current->fs->root);
>    struct file *file1 = dentry_open(foooobar, "missing vfsmount here",2)
>
>
>
>Thanks,
>JG
>
>
>	
>	
>		
>___________________________________________________________ 
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Jan
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