Re: [PATCH V2] btrfs: implement delayed inode items operation

2011-03-04 Thread Itaru Kitayama
Hi Miao, With the V3 patch applied, I was able to run dbench 50 without a problem. Thanks, On Thu, 03 Mar 2011 14:15:44 +0800 Miao Xie mi...@cn.fujitsu.com wrote: On Thu, 24 Feb 2011 23:02:55 +0900, Itaru Kitayama wrote: I have applied the V2 patch on top of the next-rc branch of

Re: [PATCH V2] btrfs: implement delayed inode items operation

2011-03-04 Thread David Nicol
On Thu, Feb 17, 2011 at 7:09 PM, Chris Mason This work is really cool, thanks for doing it.  I'm starting a run on this tonight and if all goes well I'll review in detail and try to queue it along with the per-subvolume storage bits for .39. Thanks! -chris This is the kind of thing --

Re: [PATCH V2] btrfs: implement delayed inode items operation

2011-03-02 Thread Miao Xie
Hi, Kitayama-san Sorry for my late reply. On Thu, 24 Feb 2011 23:02:55 +0900, Itaru Kitayama wrote: I have applied the V2 patch on top of the next-rc branch of btrfs-unstable and ran dbench 50. The run never finished and lots of stall messages recorded in the log. Looking at the stack trace,

Re: [PATCH V2] btrfs: implement delayed inode items operation

2011-02-18 Thread Miao Xie
Hi, Chris CC Tsutomu Itoh On Thu, 17 Feb 2011 20:09:00 -0500, Chris Mason wrote: Excerpts from Miao Xie's message of 2011-02-17 00:48:40 -0500: Compare with Ext3/4, the performance of file creation and deletion on btrfs is very poor. the reason is that btrfs must do a lot of b+ tree

Re: [PATCH V2] btrfs: implement delayed inode items operation

2011-02-18 Thread Chris Mason
Excerpts from Miao Xie's message of 2011-02-18 08:09:28 -0500: On fri, 18 Feb 2011 07:19:42 -0500, Chris Mason wrote: Excerpts from Miao Xie's message of 2011-02-18 04:08:12 -0500: Hi, Chris CC Tsutomu Itoh On Thu, 17 Feb 2011 20:09:00 -0500, Chris Mason wrote: Excerpts from Miao

Re: [PATCH V2] btrfs: implement delayed inode items operation

2011-02-17 Thread Chris Mason
Excerpts from Miao Xie's message of 2011-02-17 00:48:40 -0500: Compare with Ext3/4, the performance of file creation and deletion on btrfs is very poor. the reason is that btrfs must do a lot of b+ tree insertions, such as inode item, directory name item, directory name index and so on. If