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Date: Wed, 11 Nov 2009 14:40:27 +0800 From: Wu Fengguang <fengguang.wu@...el.com> To: Arjan van de Ven <arjan@...radead.org> Cc: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>, Christoph Hellwig <hch@...radead.org>, Al Viro <viro@...IV.linux.org.uk>, "mingo@...e.hu" <mingo@...e.hu>, Frederic Weisbecker <fweisbec@...il.com>, "Kok, Auke-jan H" <auke-jan.h.kok@...el.com> Subject: Re: [PATCH] vfs: Add a trace point in the mark_inode_dirty function On Wed, Nov 11, 2009 at 02:34:56PM +0800, Arjan van de Ven wrote: > On Wed, 11 Nov 2009 10:01:08 +0800 > Wu Fengguang <fengguang.wu@...el.com> wrote: > > > Hi Arjan, > > > > > + TP_printk("task=%i (%s) file=%s dev=%s", > > > + __entry->pid, __entry->comm, __entry->file, > > > __entry->dev) > > > > 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???? Hmm, maybe to tell one file from another in the trace stream :) And maybe to compare it with other data sources, like "ls -i". Thanks, Fengguang -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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