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| author | Fam Zheng | 2018-06-01 11:26:43 +0200 |
|---|---|---|
| committer | Stefan Hajnoczi | 2018-06-01 15:41:48 +0200 |
| commit | 1efad060d7e131dd52ecd1e038a6ddd37a3940c8 (patch) | |
| tree | 4b55633dcca404ae4cd99c70b5793329c8f63fa0 /include | |
| parent | qcow2: Implement copy offloading (diff) | |
| download | qemu-1efad060d7e131dd52ecd1e038a6ddd37a3940c8.tar.gz qemu-1efad060d7e131dd52ecd1e038a6ddd37a3940c8.tar.xz qemu-1efad060d7e131dd52ecd1e038a6ddd37a3940c8.zip | |
file-posix: Implement bdrv_co_copy_range
With copy_file_range(2), we can implement the bdrv_co_copy_range
semantics.
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-id: 20180601092648.24614-6-famz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/block/raw-aio.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/include/block/raw-aio.h b/include/block/raw-aio.h index 9e47b8a629..0e717fd475 100644 --- a/include/block/raw-aio.h +++ b/include/block/raw-aio.h @@ -25,9 +25,15 @@ #define QEMU_AIO_FLUSH 0x0008 #define QEMU_AIO_DISCARD 0x0010 #define QEMU_AIO_WRITE_ZEROES 0x0020 +#define QEMU_AIO_COPY_RANGE 0x0040 #define QEMU_AIO_TYPE_MASK \ - (QEMU_AIO_READ|QEMU_AIO_WRITE|QEMU_AIO_IOCTL|QEMU_AIO_FLUSH| \ - QEMU_AIO_DISCARD|QEMU_AIO_WRITE_ZEROES) + (QEMU_AIO_READ | \ + QEMU_AIO_WRITE | \ + QEMU_AIO_IOCTL | \ + QEMU_AIO_FLUSH | \ + QEMU_AIO_DISCARD | \ + QEMU_AIO_WRITE_ZEROES | \ + QEMU_AIO_COPY_RANGE) /* AIO flags */ #define QEMU_AIO_MISALIGNED 0x1000 |