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

From: Jeff Garzik
Date: Wed Nov 11 2009 - 02:42:52 EST

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, ...


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