[RFC v2 07/10] vfs: fork one kthread to update data temperature

2012-09-23 Thread zwu . kernel
From: Zhi Yong Wu Fork and run one kernel kthread to calculate that temperature based on some metrics kept in custom frequency data structs, and store the info in the hash table. Signed-off-by: Zhi Yong Wu --- fs/hot_tracking.c| 467 +- fs

Re: [RFC v2 07/10] vfs: fork one kthread to update data temperature

2012-09-26 Thread Dave Chinner
On Sun, Sep 23, 2012 at 08:56:32PM +0800, zwu.ker...@gmail.com wrote: > From: Zhi Yong Wu > > Fork and run one kernel kthread to calculate > that temperature based on some metrics kept > in custom frequency data structs, and store > the info in the hash table. No new kthreads, please. Use a pe

Re: [RFC v2 07/10] vfs: fork one kthread to update data temperature

2012-09-26 Thread Zhi Yong Wu
On Thu, Sep 27, 2012 at 12:03 PM, Dave Chinner wrote: > On Sun, Sep 23, 2012 at 08:56:32PM +0800, zwu.ker...@gmail.com wrote: >> From: Zhi Yong Wu >> >> Fork and run one kernel kthread to calculate >> that temperature based on some metrics kept >> in custom frequency data structs, and store >>

Re: [RFC v2 07/10] vfs: fork one kthread to update data temperature

2012-09-27 Thread Dave Chinner
On Thu, Sep 27, 2012 at 02:54:22PM +0800, Zhi Yong Wu wrote: > On Thu, Sep 27, 2012 at 12:03 PM, Dave Chinner wrote: > > On Sun, Sep 23, 2012 at 08:56:32PM +0800, zwu.ker...@gmail.com wrote: > >> From: Zhi Yong Wu > >> > >> Fork and run one kernel kthread to calculate > >> that temperature base

Re: [RFC v2 07/10] vfs: fork one kthread to update data temperature

2012-09-27 Thread Zhi Yong Wu
On Thu, Sep 27, 2012 at 3:01 PM, Dave Chinner wrote: > On Thu, Sep 27, 2012 at 02:54:22PM +0800, Zhi Yong Wu wrote: >> On Thu, Sep 27, 2012 at 12:03 PM, Dave Chinner wrote: >> > On Sun, Sep 23, 2012 at 08:56:32PM +0800, zwu.ker...@gmail.com wrote: >> >> From: Zhi Yong Wu >> >> >> >> Fork and r