Re: [PATCH v4 08/18] tools/testing/nvdimm: add 'bio_delay' mechanism

2018-01-03 Thread Jeff Moyer
Jan Kara writes: > On Tue 02-01-18 13:51:49, Dan Williams wrote: >> On Tue, Jan 2, 2018 at 1:44 PM, Dave Chinner wrote: >> > On Sat, Dec 23, 2017 at 04:56:43PM -0800, Dan Williams wrote: >> >> In support of testing truncate colliding with dma add a mechanism

Re: [PATCH v4 08/18] tools/testing/nvdimm: add 'bio_delay' mechanism

2018-01-03 Thread Jan Kara
On Tue 02-01-18 13:51:49, Dan Williams wrote: > On Tue, Jan 2, 2018 at 1:44 PM, Dave Chinner wrote: > > On Sat, Dec 23, 2017 at 04:56:43PM -0800, Dan Williams wrote: > >> In support of testing truncate colliding with dma add a mechanism that > >> delays the completion of

Re: [PATCH v4 08/18] tools/testing/nvdimm: add 'bio_delay' mechanism

2018-01-02 Thread Dan Williams
On Tue, Jan 2, 2018 at 1:44 PM, Dave Chinner wrote: > On Sat, Dec 23, 2017 at 04:56:43PM -0800, Dan Williams wrote: >> In support of testing truncate colliding with dma add a mechanism that >> delays the completion of block I/O requests by a programmable number of >> seconds.

Re: [PATCH v4 08/18] tools/testing/nvdimm: add 'bio_delay' mechanism

2018-01-02 Thread Dave Chinner
On Sat, Dec 23, 2017 at 04:56:43PM -0800, Dan Williams wrote: > In support of testing truncate colliding with dma add a mechanism that > delays the completion of block I/O requests by a programmable number of > seconds. This allows a truncate operation to be issued while page > references are held

Re: [PATCH v4 08/18] tools/testing/nvdimm: add 'bio_delay' mechanism

2018-01-02 Thread Dan Williams
On Wed, Dec 27, 2017 at 10:08 AM, Ross Zwisler wrote: > On Sat, Dec 23, 2017 at 04:56:43PM -0800, Dan Williams wrote: >> In support of testing truncate colliding with dma add a mechanism that >> delays the completion of block I/O requests by a programmable number of

Re: [PATCH v4 08/18] tools/testing/nvdimm: add 'bio_delay' mechanism

2017-12-27 Thread Ross Zwisler
On Sat, Dec 23, 2017 at 04:56:43PM -0800, Dan Williams wrote: > In support of testing truncate colliding with dma add a mechanism that > delays the completion of block I/O requests by a programmable number of > seconds. This allows a truncate operation to be issued while page > references are held

[PATCH v4 08/18] tools/testing/nvdimm: add 'bio_delay' mechanism

2017-12-23 Thread Dan Williams
In support of testing truncate colliding with dma add a mechanism that delays the completion of block I/O requests by a programmable number of seconds. This allows a truncate operation to be issued while page references are held for direct-I/O. Signed-off-by: Dan Williams