Re: [PATCH] vfs: Add a trace point in the mark_inode_dirty function

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* Jeff Garzik <jeff@xxxxxxxxxx> wrote:

> On 11/11/2009 02:45 AM, Ingo Molnar wrote:
> >
> >* Jeff Garzik<jeff@xxxxxxxxxx>  wrote:
> >
> >>On 11/11/2009 01:34 AM, Arjan van de Ven wrote:
> >>>Wu Fengguang<fengguang.wu@xxxxxxxxx>   wrote:
> >>>>Maybe this is enough for POWERTOP, however for general use, the dirty
> >>>>type(data/metadata) and inode number may be valuable to some users?
> >>>
> >>>what can a user do with an inode number????
> >>
> >>Inode numbers have always been visible to userspace...  IIRC, tar(1)
> >>uses the st_ino member of struct stat to detect hard links in certain
> >>cases.  ls(1) displays inode numbers with -i, find(1) looks for them
> >>with -inum, ...
> >
> >Without an inode->vfs-name lookup/matching service it's of limited
> >utility
> 
> Look in the quoted text for one such service...  :)

I'm not sure i understand your point - do you really suggest using 
find(1) to make traces readable?

	Ingo
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