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

Jeff Garzik
2009-11-11T07:42:42Z

On 11/11/2009 01:34 AM, Arjan van de Ven wrote:
> Wu Fengguang<fengguang.wu@intel.com> 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, ...

Jeff