On Wed, Jul 15, 2020 at 11:02 AM Pavel Begunkov wrote:
> I think, if you're going to push this idea, we should start a new thread
> CC'ing strace devs.
Makes sense. I've pruned the Cc list, so here's the link for reference:
https://lore.kernel.org/linux-fsdevel/cajfpegu3ewbbftsjiphm7emytk2mzi
On 15/07/2020 11:49, Pavel Begunkov wrote:
> On 15/07/2020 11:41, Miklos Szeredi wrote:
>> On Wed, Jul 15, 2020 at 10:33 AM Pavel Begunkov
>> wrote:
>>>
>>> On 14/07/2020 14:55, Miklos Szeredi wrote:
On Tue, Jul 14, 2020 at 1:36 PM Pavel Begunkov
wrote:
>
> On 14/07/2020 11:07
On 15/07/2020 11:41, Miklos Szeredi wrote:
> On Wed, Jul 15, 2020 at 10:33 AM Pavel Begunkov
> wrote:
>>
>> On 14/07/2020 14:55, Miklos Szeredi wrote:
>>> On Tue, Jul 14, 2020 at 1:36 PM Pavel Begunkov
>>> wrote:
On 14/07/2020 11:07, Miklos Szeredi wrote:
> On Tue, Jul 14, 2020 at
On Wed, Jul 15, 2020 at 10:33 AM Pavel Begunkov wrote:
>
> On 14/07/2020 14:55, Miklos Szeredi wrote:
> > On Tue, Jul 14, 2020 at 1:36 PM Pavel Begunkov
> > wrote:
> >>
> >> On 14/07/2020 11:07, Miklos Szeredi wrote:
> >>> On Tue, Jul 14, 2020 at 8:51 AM Pavel Machek wrote:
>
> Hi!
>
On 14/07/2020 14:55, Miklos Szeredi wrote:
> On Tue, Jul 14, 2020 at 1:36 PM Pavel Begunkov wrote:
>>
>> On 14/07/2020 11:07, Miklos Szeredi wrote:
>>> On Tue, Jul 14, 2020 at 8:51 AM Pavel Machek wrote:
Hi!
>> At first, I thought that the proposed system call is capable of
>>>
On Tue, Jul 14, 2020 at 1:36 PM Pavel Begunkov wrote:
>
> On 14/07/2020 11:07, Miklos Szeredi wrote:
> > On Tue, Jul 14, 2020 at 8:51 AM Pavel Machek wrote:
> >>
> >> Hi!
> >>
> At first, I thought that the proposed system call is capable of
> reading *multiple* small files using a sing
On 14/07/2020 11:07, Miklos Szeredi wrote:
> On Tue, Jul 14, 2020 at 8:51 AM Pavel Machek wrote:
>>
>> Hi!
>>
At first, I thought that the proposed system call is capable of
reading *multiple* small files using a single system call - which
would help increase HDD/SSD queue utilizati
On Tue, Jul 14, 2020 at 8:51 AM Pavel Machek wrote:
>
> Hi!
>
> > > At first, I thought that the proposed system call is capable of
> > > reading *multiple* small files using a single system call - which
> > > would help increase HDD/SSD queue utilization and increase IOPS (I/O
> > > operations pe
Hi!
> > At first, I thought that the proposed system call is capable of
> > reading *multiple* small files using a single system call - which
> > would help increase HDD/SSD queue utilization and increase IOPS (I/O
> > operations per second) - but that isn't the case and the proposed
> > system ca
Hey,
> On 8. Jul 2020, at 17:38, Greg Kroah-Hartman
> wrote:
>
> On Wed, Jul 08, 2020 at 05:16:41PM +0200, René Rebe wrote:
>> Hey there,
>>
>> maybe instead of this rather specific, niche readfile syscall, would it not
>> be beneficial
>> to allow issuing any group or bundle of several arbit
On Wed, Jul 08, 2020 at 05:16:41PM +0200, René Rebe wrote:
> Hey there,
>
> maybe instead of this rather specific, niche readfile syscall, would it not
> be beneficial
> to allow issuing any group or bundle of several arbitrary system calls so
> this could also
> be used to speed up other, more
Hey there,
maybe instead of this rather specific, niche readfile syscall, would it not be
beneficial
to allow issuing any group or bundle of several arbitrary system calls so this
could also
be used to speed up other, more demanding high performance applications that
need
a bit more than just r
On Sat, Jul 04, 2020 at 04:02:46PM +0200, Greg Kroah-Hartman wrote:
> Here is a tiny new syscall, readfile, that makes it simpler to read
> small/medium sized files all in one shot, no need to do open/read/close.
> This is especially helpful for tools that poke around in procfs or
> sysfs, making a
On Mon, Jul 06, 2020 at 08:07:46AM +0200, Jan Ziak wrote:
> On Sun, Jul 5, 2020 at 1:58 PM Greg KH wrote:
> >
> > On Sun, Jul 05, 2020 at 06:09:03AM +0200, Jan Ziak wrote:
> > > On Sun, Jul 5, 2020 at 5:27 AM Matthew Wilcox wrote:
> > > >
> > > > On Sun, Jul 05, 2020 at 05:18:58AM +0200, Jan Ziak
On Mon, Jul 06, 2020 at 08:07:46AM +0200, Jan Ziak wrote:
> On Sun, Jul 5, 2020 at 1:58 PM Greg KH wrote:
> > It also is a measurable increase over reading just a single file.
> > Here's my really really fast AMD system doing just one call to readfile
> > vs. one call sequence to open/read/close:
On Sun, Jul 5, 2020 at 1:58 PM Greg KH wrote:
>
> On Sun, Jul 05, 2020 at 06:09:03AM +0200, Jan Ziak wrote:
> > On Sun, Jul 5, 2020 at 5:27 AM Matthew Wilcox wrote:
> > >
> > > On Sun, Jul 05, 2020 at 05:18:58AM +0200, Jan Ziak wrote:
> > > > On Sun, Jul 5, 2020 at 5:12 AM Matthew Wilcox
> > >
On Sun, Jul 05, 2020 at 01:44:54PM +0200, Greg KH wrote:
> On Sun, Jul 05, 2020 at 01:07:14AM -0700, Vito Caputo wrote:
> > On Sun, Jul 05, 2020 at 04:27:32AM +0100, Matthew Wilcox wrote:
> > > On Sun, Jul 05, 2020 at 05:18:58AM +0200, Jan Ziak wrote:
> > > > On Sun, Jul 5, 2020 at 5:12 AM Matthew
On Sun, Jul 05, 2020 at 09:25:39AM +0200, Jan Ziak wrote:
> On Sun, Jul 5, 2020 at 8:32 AM Andreas Dilger wrote:
> >
> > On Jul 4, 2020, at 8:46 PM, Jan Ziak <0xe2.0x9a.0...@gmail.com> wrote:
> > >
> > > On Sun, Jul 5, 2020 at 4:16 AM Matthew Wilcox wrote:
> > >>
> > >> On Sun, Jul 05, 2020 at 04
On Sun, Jul 05, 2020 at 06:09:03AM +0200, Jan Ziak wrote:
> On Sun, Jul 5, 2020 at 5:27 AM Matthew Wilcox wrote:
> >
> > On Sun, Jul 05, 2020 at 05:18:58AM +0200, Jan Ziak wrote:
> > > On Sun, Jul 5, 2020 at 5:12 AM Matthew Wilcox wrote:
> > > >
> > > > You should probably take a look at io_uring
On Sun, Jul 05, 2020 at 04:06:22AM +0200, Jan Ziak wrote:
> Hello
>
> At first, I thought that the proposed system call is capable of
> reading *multiple* small files using a single system call - which
> would help increase HDD/SSD queue utilization and increase IOPS (I/O
> operations per second)
On Sat, Jul 04, 2020 at 08:30:40PM +0100, Al Viro wrote:
> On Sat, Jul 04, 2020 at 04:02:46PM +0200, Greg Kroah-Hartman wrote:
> > Here is a tiny new syscall, readfile, that makes it simpler to read
> > small/medium sized files all in one shot, no need to do open/read/close.
> > This is especially
On Sun, Jul 05, 2020 at 01:07:14AM -0700, Vito Caputo wrote:
> On Sun, Jul 05, 2020 at 04:27:32AM +0100, Matthew Wilcox wrote:
> > On Sun, Jul 05, 2020 at 05:18:58AM +0200, Jan Ziak wrote:
> > > On Sun, Jul 5, 2020 at 5:12 AM Matthew Wilcox wrote:
> > > >
> > > > You should probably take a look at
On Sun, Jul 05, 2020 at 04:27:32AM +0100, Matthew Wilcox wrote:
> On Sun, Jul 05, 2020 at 05:18:58AM +0200, Jan Ziak wrote:
> > On Sun, Jul 5, 2020 at 5:12 AM Matthew Wilcox wrote:
> > >
> > > You should probably take a look at io_uring. That has the level of
> > > complexity of this proposal and
On Sun, Jul 5, 2020 at 8:32 AM Andreas Dilger wrote:
>
> On Jul 4, 2020, at 8:46 PM, Jan Ziak <0xe2.0x9a.0...@gmail.com> wrote:
> >
> > On Sun, Jul 5, 2020 at 4:16 AM Matthew Wilcox wrote:
> >>
> >> On Sun, Jul 05, 2020 at 04:06:22AM +0200, Jan Ziak wrote:
> >>> Hello
> >>>
> >>> At first, I thou
On Jul 4, 2020, at 8:46 PM, Jan Ziak <0xe2.0x9a.0...@gmail.com> wrote:
>
> On Sun, Jul 5, 2020 at 4:16 AM Matthew Wilcox wrote:
>>
>> On Sun, Jul 05, 2020 at 04:06:22AM +0200, Jan Ziak wrote:
>>> Hello
>>>
>>> At first, I thought that the proposed system call is capable of
>>> reading *multiple
On Sun, Jul 5, 2020 at 5:27 AM Matthew Wilcox wrote:
>
> On Sun, Jul 05, 2020 at 05:18:58AM +0200, Jan Ziak wrote:
> > On Sun, Jul 5, 2020 at 5:12 AM Matthew Wilcox wrote:
> > >
> > > You should probably take a look at io_uring. That has the level of
> > > complexity of this proposal and support
On Sun, Jul 05, 2020 at 05:18:58AM +0200, Jan Ziak wrote:
> On Sun, Jul 5, 2020 at 5:12 AM Matthew Wilcox wrote:
> >
> > You should probably take a look at io_uring. That has the level of
> > complexity of this proposal and supports open/read/close along with many
> > other opcodes.
>
> Then gli
On Sun, Jul 5, 2020 at 5:12 AM Matthew Wilcox wrote:
>
> You should probably take a look at io_uring. That has the level of
> complexity of this proposal and supports open/read/close along with many
> other opcodes.
Then glibc can implement readfile using io_uring and there is no need
for a new
On Sun, Jul 05, 2020 at 04:46:04AM +0200, Jan Ziak wrote:
> On Sun, Jul 5, 2020 at 4:16 AM Matthew Wilcox wrote:
> >
> > On Sun, Jul 05, 2020 at 04:06:22AM +0200, Jan Ziak wrote:
> > > Hello
> > >
> > > At first, I thought that the proposed system call is capable of
> > > reading *multiple* small
On Sun, Jul 5, 2020 at 4:16 AM Matthew Wilcox wrote:
>
> On Sun, Jul 05, 2020 at 04:06:22AM +0200, Jan Ziak wrote:
> > Hello
> >
> > At first, I thought that the proposed system call is capable of
> > reading *multiple* small files using a single system call - which
> > would help increase HDD/SSD
On Sun, Jul 05, 2020 at 04:06:22AM +0200, Jan Ziak wrote:
> Hello
>
> At first, I thought that the proposed system call is capable of
> reading *multiple* small files using a single system call - which
> would help increase HDD/SSD queue utilization and increase IOPS (I/O
> operations per second)
Hello
At first, I thought that the proposed system call is capable of
reading *multiple* small files using a single system call - which
would help increase HDD/SSD queue utilization and increase IOPS (I/O
operations per second) - but that isn't the case and the proposed
system call can read just a
On Sat, Jul 04, 2020 at 04:02:46PM +0200, Greg Kroah-Hartman wrote:
> Here is a tiny new syscall, readfile, that makes it simpler to read
> small/medium sized files all in one shot, no need to do open/read/close.
> This is especially helpful for tools that poke around in procfs or
> sysfs, making a
Here is a tiny new syscall, readfile, that makes it simpler to read
small/medium sized files all in one shot, no need to do open/read/close.
This is especially helpful for tools that poke around in procfs or
sysfs, making a little bit of a less system load than before, especially
as syscall overhea
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