Messages in this thread |  | | | Date | Mon, 11 Feb 2008 22:31:14 +0800 | | From | Eugene Teo <> | | Subject | Re: [PATCH] proc: extend /proc/<pid>/fdinfo/<fd> | |
Hi Motohiro-san,
<quote sender="KOSAKI Motohiro">
> In general, I think this patch isn't wrong idea.
> but it shuld be brush up more, may be.
Thanks.
> > kerndev: ~/code/kernel# cat /proc/`pgrep pickup`/fdinfo/6
> > mode: 0622
>
> I think this is inode attribute, but not fd attribute.
Yes, it is an inode attribute.
> > dev: 253,0
> > ino: 21463057
>
> may be useful, agreed with you :)
Thanks.
> > uid: 89
> > gid: 89
> > rdev: 0,0
> > pos: 0
> > flags: 04002 FD_CLOEXEC # if close-on-exec flag is set
>
> agreed with Miklos's opinion.
>
> > path: /var/spool/postfix/public/pickup
>
> may be, we shold think namespace..
Besides readlink, this info can be gathered by running:
ls -laF /proc/<pid>/fd/<fd>
So, I agree with Miklo's opinion that we can omit this in the output.
> > You can also use this to find out more information about locked open files:
>
> is your requirement only fd -> ino pick up?
Not only this, but it is useful to know quickly if the open file descriptor
has a close-on-exec flag set.
Thanks,
Eugene
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