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authorStefan Hajnoczi <stefanha@redhat.com>2014-05-08 16:34:58 +0200
committerStefan Hajnoczi <stefanha@redhat.com>2014-06-04 09:56:12 +0200
commit76ef2cf5493a215efc351f48ae7094d6c183fcac (patch)
tree820f8d55f657064db196f79b0343d92789ea65bb
parent8d242f0ed5908333035dd5a8a94c06d7fe3b765c (diff)
raw-posix: drop raw_get_aio_fd() since it is no longer used
virtio-blk data-plane now uses the QEMU block layer for I/O. We do not need raw_get_aio_fd() anymore. It was a layering violation anyway, so let's get rid of it. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
-rw-r--r--block/raw-posix.c34
-rw-r--r--include/block/block.h9
2 files changed, 0 insertions, 43 deletions
diff --git a/block/raw-posix.c b/block/raw-posix.c
index ffdb1763f8..c2b30be3d3 100644
--- a/block/raw-posix.c
+++ b/block/raw-posix.c
@@ -2331,40 +2331,6 @@ static BlockDriver bdrv_host_cdrom = {
};
#endif /* __FreeBSD__ */
-#ifdef CONFIG_LINUX_AIO
-/**
- * Return the file descriptor for Linux AIO
- *
- * This function is a layering violation and should be removed when it becomes
- * possible to call the block layer outside the global mutex. It allows the
- * caller to hijack the file descriptor so I/O can be performed outside the
- * block layer.
- */
-int raw_get_aio_fd(BlockDriverState *bs)
-{
- BDRVRawState *s;
-
- if (!bs->drv) {
- return -ENOMEDIUM;
- }
-
- if (bs->drv == bdrv_find_format("raw")) {
- bs = bs->file;
- }
-
- /* raw-posix has several protocols so just check for raw_aio_readv */
- if (bs->drv->bdrv_aio_readv != raw_aio_readv) {
- return -ENOTSUP;
- }
-
- s = bs->opaque;
- if (!s->use_aio) {
- return -ENOTSUP;
- }
- return s->fd;
-}
-#endif /* CONFIG_LINUX_AIO */
-
static void bdrv_file_init(void)
{
/*
diff --git a/include/block/block.h b/include/block/block.h
index 292754f9fe..29ac56da2c 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -481,15 +481,6 @@ void bdrv_op_block_all(BlockDriverState *bs, Error *reason);
void bdrv_op_unblock_all(BlockDriverState *bs, Error *reason);
bool bdrv_op_blocker_is_empty(BlockDriverState *bs);
-#ifdef CONFIG_LINUX_AIO
-int raw_get_aio_fd(BlockDriverState *bs);
-#else
-static inline int raw_get_aio_fd(BlockDriverState *bs)
-{
- return -ENOTSUP;
-}
-#endif
-
enum BlockAcctType {
BDRV_ACCT_READ,
BDRV_ACCT_WRITE,