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2013-01-18win32-aio: use iov utility functions instead of open-coding themMichael Tokarev1-14/+3
We have iov_from_buf() and iov_to_buf(), use them instead of open-coding these in block/win32-aio.c Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-01-17win32-aio: Fix memory leakKevin Wolf1-1/+1
The buffer is allocated for both reads and writes, and obviously it should be freed even if an error occurs. Cc: qemu-stable@nongnu.org Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-01-17win32-aio: Fix vectored readsKevin Wolf1-1/+1
Copying data in the right direction really helps a lot! Cc: qemu-stable@nongnu.org Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-01-15win32-aio: Fix how win32_aio_process_completion() frees bufferMarkus Armbruster1-1/+1
win32_aio_submit() allocates it with qemu_blockalign(), therefore it must be freed with qemu_vfree(), not g_free(). Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2012-12-19misc: move include files to include/qemu/Paolo Bonzini1-3/+3
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-12-19block: move include files to include/block/Paolo Bonzini1-2/+2
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-11-14aio: rename AIOPool to AIOCBInfoStefan Hajnoczi1-2/+2
Now that AIOPool no longer keeps a freelist, it isn't really a "pool" anymore. Rename it to AIOCBInfo and make it const since it no longer needs to be modified. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-11-14block: Workaround for older versions of MinGW gccStefan Weil1-5/+5
Versions before gcc-4.6 don't support unnamed fields in initializers (see http://gcc.gnu.org/bugzilla/show_bug.cgi?id=10676). Offset and OffsetHigh belong to an unnamed struct which is part of an unnamed union. Therefore the original code does not work with older versions of gcc. Signed-off-by: Stefan Weil <sw@weilnetz.de> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-10-31raw-win32: implement native asynchronous I/OPaolo Bonzini1-0/+226
With the new support for EventNotifiers in the AIO event loop, we can hook a completion port to every opened file and use asynchronous I/O on them. Wine's support is extremely inefficient, also because it really does the I/O synchronously on regular files. (!) But it works, and it is good to keep the Win32 and POSIX ports as similar as possible. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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