Re: [RFC PATCH 0/5] apply rwlock for extent state

2012-03-21 Thread Andrea Gelmini
2012/3/21 Liu Bo liubo2...@cn.fujitsu.com: Any comments? No comment, but I'm using this patches without problem since you published it (compressed /home with hourly snapshot delete/creation). Thanks a lot for your work, Andrea -- To unsubscribe from this list: send the line unsubscribe

Re: [RFC PATCH 0/5] apply rwlock for extent state

2012-03-21 Thread Chris Samuel
On 21/03/12 23:34, Andrea Gelmini wrote: No comment, but I'm using this patches without problem since you published it (compressed /home with hourly snapshot delete/creation). Well worth sending a Tested-By: tag then, it's useful information. cheers, Chris -- Chris Samuel :

Re: [RFC PATCH 0/5] apply rwlock for extent state

2012-03-21 Thread Liu Bo
On 03/22/2012 09:04 AM, Chris Samuel wrote: On 21/03/12 23:34, Andrea Gelmini wrote: No comment, but I'm using this patches without problem since you published it (compressed /home with hourly snapshot delete/creation). Well worth sending a Tested-By: tag then, it's useful information.

Re: [RFC PATCH 0/5] apply rwlock for extent state

2012-03-20 Thread Liu Bo
Any comments? On 03/15/2012 05:12 PM, Liu Bo wrote: This patchset is against one of project ideas, RBtree lock contention: Btrfs uses a number of rbtrees to index in-memory data structures. Some of these are dominated by reads, and the lock contention from searching them is showing up in

[RFC PATCH 0/5] apply rwlock for extent state

2012-03-15 Thread Liu Bo
This patchset is against one of project ideas, RBtree lock contention: Btrfs uses a number of rbtrees to index in-memory data structures. Some of these are dominated by reads, and the lock contention from searching them is showing up in profiles. We need to look into an RCU and sequence counter