meven added a comment.
Found some hints how to help the kernel manage its buffers and page cache
efficiently when writing
http://lkml.iu.edu/hypermail/linux/kernel/1005.2/01845.html
http://lkml.iu.edu/hypermail/linux/kernel/1005.2/01953.html
Also additional fadvise might be worse test
meven added a comment.
I have a first step : split to two loops use copy_file_range
https://invent.kde.org/frameworks/kio/-/merge_requests/602
TASK DETAIL
https://phabricator.kde.org/T12641
To: meven
Cc: apol, dfaure, #frameworks, #dolphin, ognarb, broulik, meven, sdorishlab,
badbunny
meven added a comment.
The io_uring cp example is a good reference to make use of the API.
https://github.com/axboe/liburing/blob/master/examples/io_uring-cp.c
TASK DETAIL
https://phabricator.kde.org/T12641
To: meven
Cc: apol, dfaure, #frameworks, #dolphin, ognarb, broulik, meven, sdorish
meven added a comment.
copy https://github.com/coreutils/coreutils/blob/master/src/copy.c#L301 use
https://man7.org/linux/man-pages/man2/copy_file_range.2.html or
https://github.com/coreutils/gnulib/blob/master/lib/full-write.h
Did not know about copy_file_range, it was introduced in kernel
meven updated the task description.
TASK DETAIL
https://phabricator.kde.org/T12641
To: meven
Cc: apol, dfaure, #frameworks, #dolphin, ognarb, broulik, meven, nikolaik,
pberestov, iasensio, fprice, LeGast00n, cblack, fbampaloukas, alexde, GB_2,
Codezela, feverfew, michaelh, spoorun, navarromor
dfaure added a comment.
I don't really understand the relation to ksmserver, surely kioslaves are not
part of session management.
I also don't really understand what would happen in the new event loop
(select/poll) of the kioslave while the non-blocking I/O is happening. It's not
like t
meven added a comment.
@dfaure does this makes sense to you ?
TASK DETAIL
https://phabricator.kde.org/T12641
To: meven
Cc: apol, dfaure, #frameworks, #dolphin, ognarb, broulik, meven, pberestov,
iasensio, fprice, LeGast00n, cblack, MrPepe, fbampaloukas, alexde, GB_2,
Codezela, feverfew, m
meven created this task.
meven triaged this task as "Normal" priority.
meven added projects: Frameworks, Dolphin.
TASK DESCRIPTION
Our man file copy function has some glaring issues that I'd like to tackle in
a few steps:
- Split the sendfile and read/write code path to function, to make e
