Re: [RFC] ext3: per-process soft-syncing data=ordered mode

2008-01-24 Thread Valdis . Kletnieks
On Thu, 24 Jan 2008 23:36:00 +0300, Al Boldi said: data=ordered mode has proven reliable over the years, and it does this by ordering filedata flushes before metadata flushes. But this sometimes causes contention in the order of a 10x slowdown for certain apps, either due to the misuse of

Re: [RFD] Incremental fsck

2008-01-09 Thread Valdis . Kletnieks
On Wed, 09 Jan 2008 07:40:12 +0300, Al Boldi said: But why wouldn't it be possible to do this on the current fs infrastructure, using just a smart fsck, working incrementally on some sub-dir? If you have /home/usera, /home/userb, and /home/userc, the vast majority of fs screw-ups can't be

Re: [patch 1/2] [RFC] Simple tamper-proof device filesystem.

2007-12-18 Thread Valdis . Kletnieks
On Thu, 06 Dec 2007 15:29:07 GMT, Pavel Machek said: Why not use SELinux? Because SELinux doesn't guarantee filename and its attribute. The purpose of this filesystem is to ensure filename and its attribute (e.g. /dev/null is guaranteed to be a character device file with major=1

Re: [dm-devel] Re: [RFD] BIO_RW_BARRIER - what it means for devices, filesystems, and dm/md.

2007-07-12 Thread Valdis . Kletnieks
On Wed, 11 Jul 2007 18:44:21 EDT, Ric Wheeler said: [EMAIL PROTECTED] wrote: On Tue, 10 Jul 2007 14:39:41 EDT, Ric Wheeler said: All of the high end arrays have non-volatile cache (read, on power loss, it is a promise that it will get all of your data out to permanent storage). You

Re: [dm-devel] Re: [RFD] BIO_RW_BARRIER - what it means for devices, filesystems, and dm/md.

2007-07-10 Thread Valdis . Kletnieks
On Tue, 10 Jul 2007 14:39:41 EDT, Ric Wheeler said: All of the high end arrays have non-volatile cache (read, on power loss, it is a promise that it will get all of your data out to permanent storage). You don't need to ask this kind of array to drain the cache. In fact, it might just

Re: [dm-devel] Re: [RFD] BIO_RW_BARRIER - what it means for devices, filesystems, and dm/md.

2007-06-01 Thread Valdis . Kletnieks
On Fri, 01 Jun 2007 16:16:01 +0900, Tejun Heo said: Don't those thingies usually have NV cache or backed by battery such that ORDERED_DRAIN is enough? Probably *most* do, but do you really want to bet the user's data on it? The problem is that the interface between the host and a storage

Re: [AppArmor 01/41] Pass struct vfsmount to the inode_create LSM hook

2007-05-29 Thread Valdis . Kletnieks
On Mon, 28 May 2007 21:54:46 EDT, Kyle Moffett said: Average users are not supposed to be writing security policy. To be honest, even average-level system administrators should not be writing security policy. It's OK for such sysadmins to tweak existing policy to give access to

Re: [AppArmor 01/41] Pass struct vfsmount to the inode_create LSM hook

2007-05-26 Thread Valdis . Kletnieks
On Sat, 26 May 2007 22:10:34 EDT, Kyle Moffett said: On May 26, 2007, at 19:08:56, Toshiharu Harada wrote: (1) Object labeling has a assumption that labels are always properly defined and maintained. This can not be easily achieved. That's a circular argument, and a fairly trivial one

Re: REISER4 FOR INCLUSION IN THE LINUX KERNEL.

2007-04-09 Thread Valdis . Kletnieks
On Sun, 08 Apr 2007 21:16:59 PDT, [EMAIL PROTECTED] said: I am not looking to defend Hans - he is likely to be in jail and no longer a factor for a long time. Nor am I looking to make or support claims for Reiser4. Why not defend Hans? He is in jail on what appear to be trumped-up

Re: REISER4 FOR INCLUSION IN THE LINUX KERNEL.

2007-04-09 Thread Valdis . Kletnieks
On Sun, 08 Apr 2007 21:39:12 PDT, [EMAIL PROTECTED] said: YOU GUYS WILL LAUGH ABOUT THIS: I forgot the all the statistics that might support the sase for REISER4 inclusion. Well, here it all is: *plonk* - The sound of a sender address entering a procmail /dev/null filter. Come back when

Re: Troll Of The Year

2007-04-09 Thread Valdis . Kletnieks
On Mon, 09 Apr 2007 18:41:08 +0200, Jan Engelhardt said: On Apr 9 2007 12:55, Ronni Nielsen wrote: oscar And the award as Troll Of The Year goes to: johnrobertbanks. /oscar The year is not even over and you already picked your favorite - who bribed you? :-) The vast right-wing

Re: COMPILING AND CONFIGURING A NEW KERNEL.

2007-04-07 Thread Valdis . Kletnieks
On Sat, 07 Apr 2007 00:45:32 PDT, [EMAIL PROTECTED] said: Use rpm-pkg to create a Red Hat RPM kernel package. # make rpm-pkg When built, the RPM package is put in /usr/src/packages/RPMS/*your*architecture* # cd /usr/src/packages/RPMS/x86_64 Install the package (you may have to

Re: Reiser4. BEST FILESYSTEM EVER.

2007-04-07 Thread Valdis . Kletnieks
On Fri, 06 Apr 2007 19:47:36 PDT, [EMAIL PROTECTED] said: On Fri, 6 Apr 2007 11:21:19 -0400, Jan Harkes [EMAIL PROTECTED] With compression there is a pretty high probability that one corrupted byte or disk block will result in loss of a considerably larger amount of data. Bad blocks