Re: [PATCH BUGFIX 0/2] bfq: fix unbalanced decrements causing loss of throughput

2019-01-14 Thread Jens Axboe
On 1/14/19 2:09 AM, Paolo Valente wrote: > > >> Il giorno 7 dic 2018, alle ore 15:40, Jens Axboe ha >> scritto: >> >> On 12/7/18 3:01 AM, Paolo Valente wrote: >>> >>> Il giorno 7 dic 2018, alle ore 03:23, Jens Axboe ha scritto: On 12/6/18 11:18 AM, Paolo Valente wrote: >>>

Re: [PATCH BUGFIX 0/2] bfq: fix unbalanced decrements causing loss of throughput

2019-01-14 Thread Paolo Valente
> Il giorno 7 dic 2018, alle ore 15:40, Jens Axboe ha scritto: > > On 12/7/18 3:01 AM, Paolo Valente wrote: >> >> >>> Il giorno 7 dic 2018, alle ore 03:23, Jens Axboe ha >>> scritto: >>> >>> On 12/6/18 11:18 AM, Paolo Valente wrote: Hi Jens, the first patch in this series fixes

Re: [PATCH BUGFIX 0/2] bfq: fix unbalanced decrements causing loss of throughput

2018-12-07 Thread Jens Axboe
On 12/7/18 3:01 AM, Paolo Valente wrote: > > >> Il giorno 7 dic 2018, alle ore 03:23, Jens Axboe ha >> scritto: >> >> On 12/6/18 11:18 AM, Paolo Valente wrote: >>> Hi Jens, >>> the first patch in this series fixes an error in the decrementing of >>> the counter of the number of groups with pend

Re: [PATCH BUGFIX 0/2] bfq: fix unbalanced decrements causing loss of throughput

2018-12-07 Thread Paolo Valente
> Il giorno 7 dic 2018, alle ore 03:23, Jens Axboe ha scritto: > > On 12/6/18 11:18 AM, Paolo Valente wrote: >> Hi Jens, >> the first patch in this series fixes an error in the decrementing of >> the counter of the number of groups with pending I/O. This wrong >> decrement caused loss of throu

Re: [PATCH BUGFIX 0/2] bfq: fix unbalanced decrements causing loss of throughput

2018-12-06 Thread Jens Axboe
On 12/6/18 11:18 AM, Paolo Valente wrote: > Hi Jens, > the first patch in this series fixes an error in the decrementing of > the counter of the number of groups with pending I/O. This wrong > decrement caused loss of throughput or, less likely, of control on > I/O. The second patch is a fix of som

[PATCH BUGFIX 0/2] bfq: fix unbalanced decrements causing loss of throughput

2018-12-06 Thread Paolo Valente
Hi Jens, the first patch in this series fixes an error in the decrementing of the counter of the number of groups with pending I/O. This wrong decrement caused loss of throughput or, less likely, of control on I/O. The second patch is a fix of some wrong comments, which somehow contributed to makin