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| author | Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> | 2012-03-29 10:31:31 +0100 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2012-04-19 16:03:27 +0200 |
| commit | e82dabd82e7a8ce0294bce829b3d2dd25eb3a514 (patch) | |
| tree | 23323a335733668cc2f7214905b7d27b8481282b /aio.c | |
| parent | bef0fd5958120542f126f2dedbfce65d8839a94d (diff) | |
| download | qemu-e82dabd82e7a8ce0294bce829b3d2dd25eb3a514.tar.gz qemu-e82dabd82e7a8ce0294bce829b3d2dd25eb3a514.tar.bz2 qemu-e82dabd82e7a8ce0294bce829b3d2dd25eb3a514.zip | |
ide: convert ide_sector_write() to asynchronous I/O
The IDE PIO write sector code path uses bdrv_write() and hence can make
the guest unresponsive while the I/O request is in progress. This patch
converts ide_sector_write() to use bdrv_aio_writev() by using the
BUSY_STAT bit to tell the guest that the request is in progress.
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Tested-by: Richard Davies <richard@arachsys.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'aio.c')
0 files changed, 0 insertions, 0 deletions