44 lines
1.6 KiB
Diff
44 lines
1.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Fiona Ebner <f.ebner@proxmox.com>
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Date: Tue, 26 Mar 2024 14:57:51 +0100
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Subject: [PATCH] alloc-track: error out when auto-remove is not set
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Since replacing the node now happens in the stream job, where the
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option cannot be read from (it's internal to the driver), it will
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always be treated as on.
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qemu-server will always set it, make sure to have other users notice
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the change (should they even exist). The option can be fully dropped
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in the future while adding a version guard in qemu-server.
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Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
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---
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block/alloc-track.c | 7 +++++--
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1 file changed, 5 insertions(+), 2 deletions(-)
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diff --git a/block/alloc-track.c b/block/alloc-track.c
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index b9f8ea9137..f3ed2935c4 100644
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--- a/block/alloc-track.c
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+++ b/block/alloc-track.c
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@@ -34,7 +34,6 @@ typedef struct {
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BdrvDirtyBitmap *bitmap;
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uint64_t granularity;
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DropState drop_state;
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- bool auto_remove;
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} BDRVAllocTrackState;
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static QemuOptsList runtime_opts = {
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@@ -86,7 +85,11 @@ static int track_open(BlockDriverState *bs, QDict *options, int flags,
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goto fail;
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}
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- s->auto_remove = qemu_opt_get_bool(opts, TRACK_OPT_AUTO_REMOVE, false);
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+ if (!qemu_opt_get_bool(opts, TRACK_OPT_AUTO_REMOVE, false)) {
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+ error_setg(errp, "alloc-track: requires auto-remove option to be set to on");
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+ ret = -EINVAL;
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+ goto fail;
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+ }
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/* open the target (write) node, backing will be attached by block layer */
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file = bdrv_open_child(NULL, options, "file", bs, &child_of_bds,
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