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[Qemu-devel] [PATCH 0/2 v2] Open disk images with O_DIRECT
From: |
Laurent Vivier |
Subject: |
[Qemu-devel] [PATCH 0/2 v2] Open disk images with O_DIRECT |
Date: |
Mon, 3 Dec 2007 11:09:19 +0100 |
These patches allow to open file using O_DIRECT and bypass the host I/O cache.
The v2 is a new version including comments from Anthony Liguori ("directio"
has been renamed "cache"), from Balazs Attila-Mihaly (for Win32 support,
not tested) and Samuel Thibault (for the generic function qemu_memalign()".
[PATCH 1/2] Add "cache" parameter to "-drive"
Using "cache=off" with "-drive" will open the disk image
file using "O_DIRECT".
[PATCH 2/2] Direct IDE I/O
This patch enhances the "-drive ,cache=off" mode with IDE drive emulation
by removing the buffer used in the IDE emulation.
Laurent
- [Qemu-devel] [PATCH 0/2 v2] Open disk images with O_DIRECT,
Laurent Vivier <=
- [Qemu-devel] [PATCH 1/2 v2] Add "cache" parameter to "-drive", Laurent Vivier, 2007/12/03
- [Qemu-devel] [PATCH 2/2 v2] Direct IDE I/O, Laurent Vivier, 2007/12/03
- Re: [Qemu-devel] [PATCH 2/2 v2] Direct IDE I/O, Fabrice Bellard, 2007/12/03
- Re: [Qemu-devel] [PATCH 2/2 v2] Direct IDE I/O, Laurent Vivier, 2007/12/03
- Re: [Qemu-devel] [PATCH 2/2 v2] Direct IDE I/O, Markus Hitter, 2007/12/03
- Re: [Qemu-devel] [PATCH 2/2 v2] Direct IDE I/O, Paul Brook, 2007/12/03
- Re: [Qemu-devel] [PATCH 2/2 v2] Direct IDE I/O, Samuel Thibault, 2007/12/03
- Re: [Qemu-devel] [PATCH 2/2 v2] Direct IDE I/O, Anthony Liguori, 2007/12/03
- Re: [Qemu-devel] [PATCH 2/2 v2] Direct IDE I/O, Samuel Thibault, 2007/12/03
- Re: [Qemu-devel] [PATCH 2/2 v2] Direct IDE I/O, Paul Brook, 2007/12/03