Re: [PATCH] rbd: add timeout function to rbd driver

2017-07-27 Thread kbuild test robot
Hi Xiongwei, [auto build test WARNING on ceph-client/for-linus] [also build test WARNING on v4.13-rc2 next-20170727] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/xiongweijiang666-gmail-com/rbd

Re: [PATCH] rbd: add timeout function to rbd driver

2017-07-27 Thread Ilya Dryomov
On Thu, Jul 27, 2017 at 12:32 PM, wrote: > From: Xiongwei Jiang > > when an application is writing or reading on rbd device, if some or all > OSDs crash, the application will hang and can't be killed because it is > in D state. Even though OSDs comes up later, the application may still > keeps i

[PATCH] rbd: add timeout function to rbd driver

2017-07-27 Thread xiongweijiang666
From: Xiongwei Jiang when an application is writing or reading on rbd device, if some or all OSDs crash, the application will hang and can't be killed because it is in D state. Even though OSDs comes up later, the application may still keeps in D state. So we need a timeout mechanism to solve thi