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vma: fix regression in backup with non-cluster-aligned sizes

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This commit is contained in:
Wolfgang Bumiller 2017-08-14 13:29:14 +02:00
parent 4741af5c8f
commit 2ab9b48ef8
1 changed files with 28 additions and 23 deletions
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49
debian/patches/pve/0028-adding-old-vma-files.patch vendored
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@ -1,4 +1,4 @@
From cf7632dba8a8b7191f5e0c2ba826c6827fecb412 Mon Sep 17 00:00:00 2001
From 741b9f52069e043e93f0fc47e820ddbfa0bff7a3 Mon Sep 17 00:00:00 2001
From: Wolfgang Bumiller <w.bumiller@proxmox.com>
Date: Mon, 7 Aug 2017 08:51:16 +0200
Subject: [PATCH 28/28] adding old vma files
@ -8,14 +8,14 @@ Subject: [PATCH 28/28] adding old vma files
Makefile.objs | 1 +
block/backup.c | 128 ++++---
block/replication.c | 1 +
blockdev.c | 245 ++++++++-----
blockdev.c | 250 +++++++++-----
blockjob.c | 11 +-
include/block/block_int.h | 4 +
vma-reader.c | 857 ++++++++++++++++++++++++++++++++++++++++++++++
vma-writer.c | 771 +++++++++++++++++++++++++++++++++++++++++
vma.c | 757 ++++++++++++++++++++++++++++++++++++++++
vma.h | 149 ++++++++
11 files changed, 2794 insertions(+), 133 deletions(-)
11 files changed, 2799 insertions(+), 133 deletions(-)
create mode 100644 vma-reader.c
create mode 100644 vma-writer.c
create mode 100644 vma.c
@ -291,7 +291,7 @@ index 1c41d9e6bf..60c6524417 100644
if (local_err) {
error_propagate(errp, local_err);
diff --git a/blockdev.c b/blockdev.c
index 981276692a..1eeffb0571 100644
index 981276692a..76a7103743 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -31,7 +31,6 @@
@ -366,7 +366,7 @@ index 981276692a..1eeffb0571 100644
bool completed;
char targetfile[PATH_MAX];
BlockDriverState *target;
@@ -2988,13 +3013,74 @@ typedef struct PVEBackupDevInfo {
@@ -2988,13 +3013,79 @@ typedef struct PVEBackupDevInfo {
static void pvebackup_run_next_job(void);
@ -396,11 +396,10 @@ index 981276692a..1eeffb0571 100644
+
+ if (backup_state.vmaw) {
+ size_t zero_bytes = 0;
+ n_sectors = n_sectors * BDRV_SECTOR_SIZE / VMA_BLOCK_SIZE;
+ while (n_sectors >= VMA_CLUSTER_BITS) {
+ int64_t remaining = n_sectors * BDRV_SECTOR_SIZE;
+ while (remaining > 0) {
+ ret = vma_writer_write(backup_state.vmaw, di->dev_id, cluster_num,
+ buf, &zero_bytes);
+ n_sectors -= VMA_CLUSTER_BITS;
+ ++cluster_num;
+ if (buf) {
+ buf += VMA_CLUSTER_SIZE;
@ -412,9 +411,15 @@ index 981276692a..1eeffb0571 100644
+ if (di->bs && di->bs->job) {
+ block_job_cancel(di->bs->job);
+ }
+ break;
+ } else {
+ backup_state.zero_bytes += zero_bytes;
+ if (remaining >= VMA_CLUSTER_SIZE) {
+ backup_state.transferred += VMA_CLUSTER_SIZE;
+ } else {
+ backup_state.transferred += remaining;
+ }
+ remaining -= VMA_CLUSTER_SIZE;
+ }
+ }
+ } else {
@ -444,7 +449,7 @@ index 981276692a..1eeffb0571 100644
}
if (backup_state.di_list) {
@@ -3009,6 +3095,13 @@ static void pvebackup_cleanup(void)
@@ -3009,6 +3100,13 @@ static void pvebackup_cleanup(void)
}
}
@ -458,7 +463,7 @@ index 981276692a..1eeffb0571 100644
static void pvebackup_complete_cb(void *opaque, int ret)
{
PVEBackupDevInfo *di = opaque;
@@ -3020,14 +3113,18 @@ static void pvebackup_complete_cb(void *opaque, int ret)
@@ -3020,14 +3118,18 @@ static void pvebackup_complete_cb(void *opaque, int ret)
ret, strerror(-ret));
}
@ -480,7 +485,7 @@ index 981276692a..1eeffb0571 100644
if (!backup_state.cancel) {
pvebackup_run_next_job();
}
@@ -3041,14 +3138,9 @@ static void pvebackup_cancel(void *opaque)
@@ -3041,14 +3143,9 @@ static void pvebackup_cancel(void *opaque)
error_setg(&backup_state.error, "backup cancelled");
}
@ -497,7 +502,7 @@ index 981276692a..1eeffb0571 100644
}
GList *l = backup_state.di_list;
@@ -3073,19 +3165,15 @@ void qmp_backup_cancel(Error **errp)
@@ -3073,19 +3170,15 @@ void qmp_backup_cancel(Error **errp)
Coroutine *co = qemu_coroutine_create(pvebackup_cancel, NULL);
qemu_coroutine_enter(co);
@ -521,7 +526,7 @@ index 981276692a..1eeffb0571 100644
{
char *cdata = NULL;
gsize clen = 0;
@@ -3098,12 +3186,17 @@ static int config_to_vma(const char *file, BackupFormat format,
@@ -3098,12 +3191,17 @@ static int config_to_vma(const char *file, BackupFormat format,
char *basename = g_path_get_basename(file);
if (format == BACKUP_FORMAT_VMA) {
@ -541,7 +546,7 @@ index 981276692a..1eeffb0571 100644
g_free(cdata);
g_free(basename);
return 1;
@@ -3113,35 +3206,37 @@ static int config_to_vma(const char *file, BackupFormat format,
@@ -3113,35 +3211,37 @@ static int config_to_vma(const char *file, BackupFormat format,
g_free(basename);
g_free(cdata);
@ -592,7 +597,7 @@ index 981276692a..1eeffb0571 100644
bool has_devlist, const char *devlist,
bool has_speed, int64_t speed, Error **errp)
{
@@ -3149,14 +3244,15 @@ UuidInfo *qmp_backup(const char *backup_file, bool has_format,
@@ -3149,14 +3249,15 @@ UuidInfo *qmp_backup(const char *backup_file, bool has_format,
BlockDriverState *bs = NULL;
const char *backup_dir = NULL;
Error *local_err = NULL;
@ -610,7 +615,7 @@ index 981276692a..1eeffb0571 100644
error_set(errp, ERROR_CLASS_GENERIC_ERROR,
"previous backup not finished");
return NULL;
@@ -3231,40 +3327,28 @@ UuidInfo *qmp_backup(const char *backup_file, bool has_format,
@@ -3231,40 +3332,28 @@ UuidInfo *qmp_backup(const char *backup_file, bool has_format,
total += size;
}
@ -659,7 +664,7 @@ index 981276692a..1eeffb0571 100644
goto err;
}
}
@@ -3305,15 +3389,15 @@ UuidInfo *qmp_backup(const char *backup_file, bool has_format,
@@ -3305,15 +3394,15 @@ UuidInfo *qmp_backup(const char *backup_file, bool has_format,
/* add configuration file to archive */
if (has_config_file) {
@ -679,7 +684,7 @@ index 981276692a..1eeffb0571 100644
}
}
/* initialize global backup_state now */
@@ -3335,11 +3419,12 @@ UuidInfo *qmp_backup(const char *backup_file, bool has_format,
@@ -3335,11 +3424,12 @@ UuidInfo *qmp_backup(const char *backup_file, bool has_format,
}
backup_state.backup_file = g_strdup(backup_file);
@ -695,7 +700,7 @@ index 981276692a..1eeffb0571 100644
backup_state.total = total;
backup_state.transferred = 0;
@@ -3350,21 +3435,16 @@ UuidInfo *qmp_backup(const char *backup_file, bool has_format,
@@ -3350,21 +3440,16 @@ UuidInfo *qmp_backup(const char *backup_file, bool has_format,
while (l) {
PVEBackupDevInfo *di = (PVEBackupDevInfo *)l->data;
l = g_list_next(l);
@ -720,7 +725,7 @@ index 981276692a..1eeffb0571 100644
}
if (!backup_state.error) {
@@ -3398,9 +3478,10 @@ err:
@@ -3398,9 +3483,10 @@ err:
g_strfreev(devs);
}
@ -734,7 +739,7 @@ index 981276692a..1eeffb0571 100644
}
if (backup_dir) {
@@ -3772,7 +3853,7 @@ static BlockJob *do_drive_backup(DriveBackup *backup, BlockJobTxn *txn,
@@ -3772,7 +3858,7 @@ static BlockJob *do_drive_backup(DriveBackup *backup, BlockJobTxn *txn,
job = backup_job_create(backup->job_id, bs, target_bs, backup->speed,
backup->sync, bmap, backup->compress,
backup->on_source_error, backup->on_target_error,
@ -743,7 +748,7 @@ index 981276692a..1eeffb0571 100644
bdrv_unref(target_bs);
if (local_err != NULL) {
error_propagate(errp, local_err);
@@ -3851,7 +3932,7 @@ BlockJob *do_blockdev_backup(BlockdevBackup *backup, BlockJobTxn *txn,
@@ -3851,7 +3937,7 @@ BlockJob *do_blockdev_backup(BlockdevBackup *backup, BlockJobTxn *txn,
job = backup_job_create(backup->job_id, bs, target_bs, backup->speed,
backup->sync, NULL, backup->compress,
backup->on_source_error, backup->on_target_error,