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author | Aarushi Mehta <mehta.aaru20@gmail.com> | 2020-01-20 14:18:50 +0000 |
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committer | Stefan Hajnoczi <stefanha@redhat.com> | 2020-01-30 20:59:41 +0000 |
commit | f80f267373fd3170584da9d229ac07d4f26b7e16 (patch) | |
tree | 8961d4c96aa8970f1c2af50bf4320072d03221d1 /block.c | |
parent | fcb7a4a4e8ae8938e86a669dd9c276ee98aa4203 (diff) | |
download | qemu-f80f267373fd3170584da9d229ac07d4f26b7e16.zip qemu-f80f267373fd3170584da9d229ac07d4f26b7e16.tar.gz qemu-f80f267373fd3170584da9d229ac07d4f26b7e16.tar.bz2 |
blockdev: adds bdrv_parse_aio to use io_uring
Signed-off-by: Aarushi Mehta <mehta.aaru20@gmail.com>
Acked-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20200120141858.587874-8-stefanha@redhat.com
Message-Id: <20200120141858.587874-8-stefanha@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'block.c')
-rw-r--r-- | block.c | 22 |
1 files changed, 22 insertions, 0 deletions
@@ -846,6 +846,28 @@ static BlockdevDetectZeroesOptions bdrv_parse_detect_zeroes(QemuOpts *opts, } /** + * Set open flags for aio engine + * + * Return 0 on success, -1 if the engine specified is invalid + */ +int bdrv_parse_aio(const char *mode, int *flags) +{ + if (!strcmp(mode, "threads")) { + /* do nothing, default */ + } else if (!strcmp(mode, "native")) { + *flags |= BDRV_O_NATIVE_AIO; +#ifdef CONFIG_LINUX_IO_URING + } else if (!strcmp(mode, "io_uring")) { + *flags |= BDRV_O_IO_URING; +#endif + } else { + return -1; + } + + return 0; +} + +/** * Set open flags for a given discard mode * * Return 0 on success, -1 if the discard mode was invalid. |