Hi,
Andrew, would you consider including this patchset in -mm for some more
testing. At least patches 1 - 4.
Patch 5 is the new listio syscall approach from Bharata B Rao which is much
cleaner than overloading sys_io_submit() with a new opcode but maybe needs some
more discussion before being engraved in stone.
I'm thinking here of having the capability to be notified when m requests
have completed (m <= total_number_of_submitted_requests) as suggested by Ulrich
Drepper.
Ulrich, is this still something you want? In which case we may need to add
another argument to sys_lio_submit().
Sébastien.
This set consists in 5 patches:
1. rework-compat-sys-io-submit: cleanup the sys_io_submit() compat
layer,
making it more efficient and laying out the base for the following
patches
2. aio-header-fix-includes: fixes the double inclusion of uio.h in aio.h
3. export-good_sigevent: move good_sigevent into signal.c and make it
non-static
4. aio-notify-sig: the AIO completion signal notification
5. listio: adds listio support
Description are in the individual patches.
Changes from v4:
No comments received for v4, so it must be perfect ;-)
replaced the IOCB_CMD_GROUP listio implementation with Bharata's
syscall approach which I find much cleaner.
Changes from v3:
All changes following comments from Zach Brown and Christoph Hellwig
- added justification for the compat_sys_io_submit() cleanup
- more cleanups in compat_sys_io_submit() to put it in line with
sys_io_submit()
- Changed "Export good_sigevent()" patch name to "Make good_sigevent()
non-static" to better describe what it does.=20
- Reworked good_sigevent() to make it more readable.
- Simplified the use of the SIGEV_* constants in signal notification
- Take a reference on the target task both for the SIGEV_THREAD_ID and
SIGEV_SIGNAL cases.
Changes from v2:
- rebased to 2.6.19-rc6-mm2
- reworked the sys_io_submit() compat layer as suggested by Zach Brown
- fixed saving of a pointer to a task struct in aio-notify-sig as
pointed out by Andrew Morton
Changes from v1:
- cleanups suggested by Christoph Hellwig, Badari Pulavarty and
Zach Brown
- added listio patch
-
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