29b173ad99
Include latest upstream disk corruption fix - hopefully that's all of them! OBS-URL: https://build.opensuse.org/request/show/746103 OBS-URL: https://build.opensuse.org/package/show/Virtualization/qemu?expand=0&rev=505
58 lines
1.9 KiB
Diff
58 lines
1.9 KiB
Diff
From: Max Reitz <mreitz@redhat.com>
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Date: Fri, 1 Nov 2019 16:25:09 +0100
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Subject: block: Add bdrv_co_get_self_request()
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Git-commit: c28107e9e55b11cd35cf3dc2505e3e69d10dcf13
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Cc: qemu-stable@nongnu.org
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Signed-off-by: Max Reitz <mreitz@redhat.com>
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Message-id: 20191101152510.11719-3-mreitz@redhat.com
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Signed-off-by: Max Reitz <mreitz@redhat.com>
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Signed-off-by: Bruce Rogers <brogers@suse.com>
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---
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block/io.c | 18 ++++++++++++++++++
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include/block/block_int.h | 1 +
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2 files changed, 19 insertions(+)
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diff --git a/block/io.c b/block/io.c
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index d9f632f450b744515d3f91d2aa26..0366daf27f4a2133148716135d63 100644
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--- a/block/io.c
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+++ b/block/io.c
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@@ -721,6 +721,24 @@ static bool is_request_serialising_and_aligned(BdrvTrackedRequest *req)
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(req->bytes == req->overlap_bytes);
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}
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+/**
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+ * Return the tracked request on @bs for the current coroutine, or
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+ * NULL if there is none.
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+ */
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+BdrvTrackedRequest *coroutine_fn bdrv_co_get_self_request(BlockDriverState *bs)
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+{
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+ BdrvTrackedRequest *req;
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+ Coroutine *self = qemu_coroutine_self();
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+
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+ QLIST_FOREACH(req, &bs->tracked_requests, list) {
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+ if (req->co == self) {
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+ return req;
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+ }
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+ }
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+
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+ return NULL;
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+}
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+
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/**
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* Round a region to cluster boundaries
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*/
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diff --git a/include/block/block_int.h b/include/block/block_int.h
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index 4465b022424c23aea82942547cc3..05ee6b4866f84a9ab9ba0dcda5da 100644
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--- a/include/block/block_int.h
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+++ b/include/block/block_int.h
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@@ -964,6 +964,7 @@ void bdrv_unapply_subtree_drain(BdrvChild *child, BlockDriverState *old_parent);
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bool coroutine_fn bdrv_wait_serialising_requests(BdrvTrackedRequest *self);
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void bdrv_mark_request_serialising(BdrvTrackedRequest *req, uint64_t align);
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+BdrvTrackedRequest *coroutine_fn bdrv_co_get_self_request(BlockDriverState *bs);
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int get_tmp_filename(char *filename, int size);
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BlockDriver *bdrv_probe_all(const uint8_t *buf, int buf_size,
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