81 lines
2.8 KiB
Diff
81 lines
2.8 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
|
From: Fabian Ebner <f.ebner@proxmox.com>
|
|
Date: Thu, 23 Jun 2022 14:00:05 +0200
|
|
Subject: [PATCH] Revert "block/rbd: workaround for ceph issue #53784"
|
|
|
|
This reverts commit fc176116cdea816ceb8dd969080b2b95f58edbc0 in
|
|
preparation to revert 0347a8fd4c3faaedf119be04c197804be40a384b.
|
|
|
|
Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>
|
|
---
|
|
block/rbd.c | 42 ++----------------------------------------
|
|
1 file changed, 2 insertions(+), 40 deletions(-)
|
|
|
|
diff --git a/block/rbd.c b/block/rbd.c
|
|
index 64a8d7d48b..9fc6dcb957 100644
|
|
--- a/block/rbd.c
|
|
+++ b/block/rbd.c
|
|
@@ -1348,7 +1348,6 @@ static int coroutine_fn qemu_rbd_co_block_status(BlockDriverState *bs,
|
|
int status, r;
|
|
RBDDiffIterateReq req = { .offs = offset };
|
|
uint64_t features, flags;
|
|
- uint64_t head = 0;
|
|
|
|
assert(offset + bytes <= s->image_size);
|
|
|
|
@@ -1376,43 +1375,7 @@ static int coroutine_fn qemu_rbd_co_block_status(BlockDriverState *bs,
|
|
return status;
|
|
}
|
|
|
|
-#if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 17, 0)
|
|
- /*
|
|
- * librbd had a bug until early 2022 that affected all versions of ceph that
|
|
- * supported fast-diff. This bug results in reporting of incorrect offsets
|
|
- * if the offset parameter to rbd_diff_iterate2 is not object aligned.
|
|
- * Work around this bug by rounding down the offset to object boundaries.
|
|
- * This is OK because we call rbd_diff_iterate2 with whole_object = true.
|
|
- * However, this workaround only works for non cloned images with default
|
|
- * striping.
|
|
- *
|
|
- * See: https://tracker.ceph.com/issues/53784
|
|
- */
|
|
-
|
|
- /* check if RBD image has non-default striping enabled */
|
|
- if (features & RBD_FEATURE_STRIPINGV2) {
|
|
- return status;
|
|
- }
|
|
-
|
|
-#pragma GCC diagnostic push
|
|
-#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
|
|
- /*
|
|
- * check if RBD image is a clone (= has a parent).
|
|
- *
|
|
- * rbd_get_parent_info is deprecated from Nautilus onwards, but the
|
|
- * replacement rbd_get_parent is not present in Luminous and Mimic.
|
|
- */
|
|
- if (rbd_get_parent_info(s->image, NULL, 0, NULL, 0, NULL, 0) != -ENOENT) {
|
|
- return status;
|
|
- }
|
|
-#pragma GCC diagnostic pop
|
|
-
|
|
- head = req.offs & (s->object_size - 1);
|
|
- req.offs -= head;
|
|
- bytes += head;
|
|
-#endif
|
|
-
|
|
- r = rbd_diff_iterate2(s->image, NULL, req.offs, bytes, true, true,
|
|
+ r = rbd_diff_iterate2(s->image, NULL, offset, bytes, true, true,
|
|
qemu_rbd_diff_iterate_cb, &req);
|
|
if (r < 0 && r != QEMU_RBD_EXIT_DIFF_ITERATE2) {
|
|
return status;
|
|
@@ -1431,8 +1394,7 @@ static int coroutine_fn qemu_rbd_co_block_status(BlockDriverState *bs,
|
|
status = BDRV_BLOCK_ZERO | BDRV_BLOCK_OFFSET_VALID;
|
|
}
|
|
|
|
- assert(req.bytes > head);
|
|
- *pnum = req.bytes - head;
|
|
+ *pnum = req.bytes;
|
|
return status;
|
|
}
|
|
|