Re: any way to work backwards from xfs_inode_t to a filename?

[Ben Myers <bpm@xxxxxxx>]

Chris,

On Wed, May 15, 2013 at 05:19:52PM -0500, Eric Sandeen wrote:
> On 5/15/13 5:10 PM, Ben Myers wrote:
> >> 1) do_unlinkat() has the filesystem path, but iput() returns void.
> >> Is there any way for me to add instrumentation to xfs_inactive() to
> >> work backwards from the xfs_inode_t pointer to print out a path to
> >> the file being deleted?
> > 
> > Use VFS_I to get to a 'struct inode' and from there you can look at the
> > dentries on i_dentry list and traverse back through the path by looking at
> > d_parent.  Might be easier to just print the path in do_unlinkat?
> 
> or just print out the inode nr (i_ino) and do a find -inum after the fact.  :)

+1

Dave pointed out that you might not be able to get to the inode at this point
in the lifecycle.  Apologies if I posted misinformation.  ;)

Regards,
        Ben