Re: [PATCH 4/6] block: avoid ordered task state change for polled IO

Hi Jens On 11/13/18 12:26 AM, Jens Axboe wrote: > On 11/12/18 2:35 AM, jianchao.wang wrote: >> Hi Jens >> >> On 11/10/18 11:13 PM, Jens Axboe wrote: >>> We only really need the barrier if we're going to be sleeping, >>> if we're just polling we're fine with the __set_current_state() >>> variant.

Re: [PATCH v3] block: copy ioprio in __bio_clone_fast()

On 11/12/18 2:29 AM, Jean Delvare wrote: > From: Hannes Reinecke > > We need to copy the io priority, too; otherwise the clone will run > with a different priority than the original one. Applied, thanks. -- Jens Axboe

Re: [PATCH 4/6] block: avoid ordered task state change for polled IO

On 11/12/18 2:35 AM, jianchao.wang wrote: > Hi Jens > > On 11/10/18 11:13 PM, Jens Axboe wrote: >> We only really need the barrier if we're going to be sleeping, >> if we're just polling we're fine with the __set_current_state() >> variant. >> >> Signed-off-by: Jens Axboe >> --- >>

Re: [PATCH v2] kyber: fix wrong strlcpy() size in trace_kyber_latency()

On 11/12/18 1:08 AM, Omar Sandoval wrote: > From: Omar Sandoval > > When copying to the latency type, we should be passing LATENCY_TYPE_LEN, > not DOMAIN_LEN (this isn't a problem in practice because we only pass > "total" or "I/O"). Fix it by changing all of the strlcpy() calls to use >

Re: [PATCH 0/16 v3] loop: Fix oops and possible deadlocks

On Thu 08-11-18 16:28:11, Theodore Y. Ts'o wrote: > On Thu, Nov 08, 2018 at 02:01:00PM +0100, Jan Kara wrote: > > Hi, > > > > this patch series fixes oops and possible deadlocks as reported by syzbot > > [1] > > [2]. The second patch in the series (from Tetsuo) fixes the oops, the > > remaining

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Re: [PATCH 4/6] block: avoid ordered task state change for polled IO

Hi Jens On 11/10/18 11:13 PM, Jens Axboe wrote: > We only really need the barrier if we're going to be sleeping, > if we're just polling we're fine with the __set_current_state() > variant. > > Signed-off-by: Jens Axboe > --- > fs/block_dev.c | 25 + > 1 file changed,

[PATCH v3] block: copy ioprio in __bio_clone_fast()

From: Hannes Reinecke We need to copy the io priority, too; otherwise the clone will run with a different priority than the original one. Fixes: 43b62ce3ff0a ("block: move bio io prio to a new field") Signed-off-by: Hannes Reinecke Signed-off-by: Jean Delvare --- Changes since v2: * Rebased

[PATCH v2] kyber: fix wrong strlcpy() size in trace_kyber_latency()

From: Omar Sandoval When copying to the latency type, we should be passing LATENCY_TYPE_LEN, not DOMAIN_LEN (this isn't a problem in practice because we only pass "total" or "I/O"). Fix it by changing all of the strlcpy() calls to use sizeof(). Fixes: 6c3b7af1c975 ("kyber: add tracepoints")