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From: Fiona Ebner <f.ebner@proxmox.com>
To: pve-devel@lists.proxmox.com
Date: Mon, 31 Mar 2025 15:19:48 +0200
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Subject: [pve-devel] [PATCH qemu v6 05/37] PVE backup: get device info:
allow caller to specify filter for which devices use fleecing
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For providing snapshot-access to external backup providers, EFI and
TPM also need an associated fleecing image. The new caller will thus
need a different filter.
Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
---
pve-backup.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/pve-backup.c b/pve-backup.c
index 8789a0667a..755f1abcf1 100644
--- a/pve-backup.c
+++ b/pve-backup.c
@@ -719,7 +719,7 @@ static void create_backup_jobs_bh(void *opaque) {
/*
* EFI disk and TPM state are small and it's just not worth setting up fleecing for them.
*/
-static bool device_uses_fleecing(const char *device_id)
+static bool fleecing_no_efi_tpm(const char *device_id)
{
return strncmp(device_id, "drive-efidisk", 13) && strncmp(device_id, "drive-tpmstate", 14);
}
@@ -731,7 +731,7 @@ static bool device_uses_fleecing(const char *device_id)
*/
static GList coroutine_fn GRAPH_RDLOCK *get_device_info(
const char *devlist,
- bool fleecing,
+ bool (*device_uses_fleecing)(const char*),
Error **errp)
{
gchar **devs = NULL;
@@ -757,7 +757,7 @@ static GList coroutine_fn GRAPH_RDLOCK *get_device_info(
di->bs = bs;
di->device_name = g_strdup(bdrv_get_device_name(bs));
- if (fleecing && device_uses_fleecing(*d)) {
+ if (device_uses_fleecing && device_uses_fleecing(*d)) {
g_autofree gchar *fleecing_devid = g_strconcat(*d, "-fleecing", NULL);
BlockBackend *fleecing_blk = blk_by_name(fleecing_devid);
if (!fleecing_blk) {
@@ -924,7 +924,8 @@ UuidInfo coroutine_fn *qmp_backup(
format = has_format ? format : BACKUP_FORMAT_VMA;
bdrv_graph_co_rdlock();
- di_list = get_device_info(devlist, has_fleecing && fleecing, &local_err);
+ di_list = get_device_info(devlist, (has_fleecing && fleecing) ? fleecing_no_efi_tpm : NULL,
+ &local_err);
bdrv_graph_co_rdunlock();
if (local_err) {
error_propagate(errp, local_err);
--
2.39.5
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