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inode number

DISCUSSION Sumit Narayan 3 participants 4 messages May 6, 2003

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Sumit Narayan

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#0 lore raw

Hi,

Actually, what I meant with this was, suppose I have a file name, how do I get the inode for that? And also suppose I have the inode number, how do I get the complete object of that inode for use and manipulation?

Thanks in advance

Sumit
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Quoted 9 lines · On Mon, 05 May 2003 23:27:32 Sumit Narayan wrote:

Hi,

How do I know which file has what Inode number? and its under which super block?

Thanks

Sumit

Quoted 9 lines

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#1 lore raw

An unnamed Administration source, Sumit Narayan, wrote:
% Hi,
%
% Actually, what I meant with this was, suppose I have a file name, how do I get the inode for that? And also suppose I have the inode number, how do I get the complete object of that inode for use and manipulation?

If you have a filename, stat(2); see also lstat(2) and fstat(2).

Kurt

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Error in operator: add beer
#2 lore raw
In reply to Sumit Narayan

Hi,

You can give a look on user_path_walk() and user_path_walk_link() (see include/linux/fs.h), given you have the pathname.
Given you have the inode number, you can get one of the references to it by using d_path() (see include/linux/sched.h). I just don't know how it works when there is multiple references to the same inode number (hard links).

Lucas

Quoted 41 lines · Sumit Narayan

Hi,

Actually, what I meant with this was, suppose I have a file name, how do I get the inode for that? And also suppose I have the inode number, how do I get the complete object of that inode for use and manipulation?

Thanks in advance

Sumit
--

On Mon, 05 May 2003 23:27:32

Quoted 10 lines · Sumit Narayan

Hi,

How do I know which file has what Inode number? and its under which super block?

Thanks

Sumit

Quoted 8 lines

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#3 lore raw
Quoted 1 line · Lucas Correia Villa Real

Given you have the inode number, you can get one of the references to it by

Sorry, I mean the struct file.

Lucas