From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomasz Chmielewski Subject: Re: Writes in idle/How to debug filesystem activity Date: Tue, 30 Aug 2011 08:58:40 +0200 Message-ID: <4E5C8A20.7030604@wpkg.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed To: linux-btrfs , jonas@lophus.org Return-path: List-ID: > I use btrfs on a SD card. When my computer is running in idle (i.e. > nothing running but wmii and a few background tasks that don't do any > i/o; freshly synced), from time to time some [btrfs-*] tasks do writes > (for 5 seconds or so). What are those processes doing on my disk, > having nothing to write/read? That leads to the second question: How can > I debug file system activity in inotify style? There was once a similar thread about this issue; unfortunately, without any constructive answers: http://thread.gmane.org/gmane.comp.file-systems.btrfs/10840 -- Tomasz Chmielewski http://wpkg.org