Re: Re: [PATCH] block: Add blk_rq_pos(rq) to sort rq when plushing plug-list.

2012-10-16 Thread Jianpeng Ma
On 2012-10-16 15:48 Shaohua Li Wrote: >2012/10/16 Jianpeng Ma : >> On 2012-10-15 21:18 Shaohua Li Wrote: >>>2012/10/15 Shaohua Li : 2012/10/15 Jianpeng Ma : > My workload is a raid5 which had 16 disks. And used our filesystem to > write using direct-io mode. > I used the

Re: Re: [PATCH] block: Add blk_rq_pos(rq) to sort rq when plushing plug-list.

2012-10-16 Thread Shaohua Li
2012/10/16 Jianpeng Ma : > On 2012-10-15 21:18 Shaohua Li Wrote: >>2012/10/15 Shaohua Li : >>> 2012/10/15 Jianpeng Ma : My workload is a raid5 which had 16 disks. And used our filesystem to write using direct-io mode. I used the blktrace to find those message: 8,16 0

Re: Re: [PATCH] block: Add blk_rq_pos(rq) to sort rq when plushing plug-list.

2012-10-16 Thread Jianpeng Ma
On 2012-10-15 21:18 Shaohua Li Wrote: >2012/10/15 Shaohua Li : >> 2012/10/15 Jianpeng Ma : >>> My workload is a raid5 which had 16 disks. And used our filesystem to >>> write using direct-io mode. >>> I used the blktrace to find those message: >>> >>> 8,16 0 3570 1.083923979 2519 I

Re: Re: [PATCH] block: Add blk_rq_pos(rq) to sort rq when plushing plug-list.

2012-10-16 Thread Jianpeng Ma
On 2012-10-15 21:18 Shaohua Li s...@kernel.org Wrote: 2012/10/15 Shaohua Li s...@fusionio.com: 2012/10/15 Jianpeng Ma majianp...@gmail.com: My workload is a raid5 which had 16 disks. And used our filesystem to write using direct-io mode. I used the blktrace to find those message: 8,16 0

Re: Re: [PATCH] block: Add blk_rq_pos(rq) to sort rq when plushing plug-list.

2012-10-16 Thread Shaohua Li
2012/10/16 Jianpeng Ma majianp...@gmail.com: On 2012-10-15 21:18 Shaohua Li s...@kernel.org Wrote: 2012/10/15 Shaohua Li s...@fusionio.com: 2012/10/15 Jianpeng Ma majianp...@gmail.com: My workload is a raid5 which had 16 disks. And used our filesystem to write using direct-io mode. I used the

Re: Re: [PATCH] block: Add blk_rq_pos(rq) to sort rq when plushing plug-list.

2012-10-16 Thread Jianpeng Ma
On 2012-10-16 15:48 Shaohua Li s...@kernel.org Wrote: 2012/10/16 Jianpeng Ma majianp...@gmail.com: On 2012-10-15 21:18 Shaohua Li s...@kernel.org Wrote: 2012/10/15 Shaohua Li s...@fusionio.com: 2012/10/15 Jianpeng Ma majianp...@gmail.com: My workload is a raid5 which had 16 disks. And used our

Re: Re: [PATCH] block: Add blk_rq_pos(rq) to sort rq when plushing plug-list.

2012-10-15 Thread Jianpeng Ma
On 2012-10-15 21:18 Shaohua Li Wrote: >2012/10/15 Shaohua Li : >> 2012/10/15 Jianpeng Ma : >>> My workload is a raid5 which had 16 disks. And used our filesystem to >>> write using direct-io mode. >>> I used the blktrace to find those message: >>> >>> 8,16 0 3570 1.083923979 2519 I

Re: [PATCH] block: Add blk_rq_pos(rq) to sort rq when plushing plug-list.

2012-10-15 Thread Shaohua Li
2012/10/15 Shaohua Li : > 2012/10/15 Jianpeng Ma : >> My workload is a raid5 which had 16 disks. And used our filesystem to >> write using direct-io mode. >> I used the blktrace to find those message: >> >> 8,16 0 3570 1.083923979 2519 I W 144323176 + 24 [md127_raid5] >> 8,16 0

Re: [PATCH] block: Add blk_rq_pos(rq) to sort rq when plushing plug-list.

2012-10-15 Thread Shaohua Li
2012/10/15 Jianpeng Ma : > My workload is a raid5 which had 16 disks. And used our filesystem to > write using direct-io mode. > I used the blktrace to find those message: > > 8,16 0 3570 1.083923979 2519 I W 144323176 + 24 [md127_raid5] > 8,16 00 1.083926214 0 m

Re: [PATCH] block: Add blk_rq_pos(rq) to sort rq when plushing plug-list.

2012-10-15 Thread Shaohua Li
2012/10/15 Jianpeng Ma majianp...@gmail.com: My workload is a raid5 which had 16 disks. And used our filesystem to write using direct-io mode. I used the blktrace to find those message: 8,16 0 3570 1.083923979 2519 I W 144323176 + 24 [md127_raid5] 8,16 00

Re: [PATCH] block: Add blk_rq_pos(rq) to sort rq when plushing plug-list.

2012-10-15 Thread Shaohua Li
2012/10/15 Shaohua Li s...@fusionio.com: 2012/10/15 Jianpeng Ma majianp...@gmail.com: My workload is a raid5 which had 16 disks. And used our filesystem to write using direct-io mode. I used the blktrace to find those message: 8,16 0 3570 1.083923979 2519 I W 144323176 + 24

Re: Re: [PATCH] block: Add blk_rq_pos(rq) to sort rq when plushing plug-list.

2012-10-15 Thread Jianpeng Ma
On 2012-10-15 21:18 Shaohua Li s...@kernel.org Wrote: 2012/10/15 Shaohua Li s...@fusionio.com: 2012/10/15 Jianpeng Ma majianp...@gmail.com: My workload is a raid5 which had 16 disks. And used our filesystem to write using direct-io mode. I used the blktrace to find those message: 8,16 0