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qcow2: Add errp to rebuild_refcount_structure() 

Instead of fprint()-ing error messages in rebuild_refcount_structure()
and its rebuild_refcounts_write_refblocks() helper, pass them through an
Error object to qcow2_check_refcounts() (which will then print it).

Suggested-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220405134652.19278-4-hreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Hanna Reitz 2022-04-05 15:46:52 +02:00
parent 9ffd6d646d
commit 0423f75351
1 changed files with 19 additions and 14 deletions
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33
block/qcow2-refcount.c
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@ -2465,7 +2465,8 @@ static int64_t alloc_clusters_imrt(BlockDriverState *bs,
static int rebuild_refcounts_write_refblocks(
BlockDriverState *bs, void **refcount_table, int64_t *nb_clusters,
int64_t first_cluster, int64_t end_cluster,
uint64_t **on_disk_reftable_ptr, uint32_t *on_disk_reftable_entries_ptr
uint64_t **on_disk_reftable_ptr, uint32_t *on_disk_reftable_entries_ptr,
Error **errp
)
{
BDRVQcow2State *s = bs->opaque;
@ -2516,8 +2517,8 @@ static int rebuild_refcounts_write_refblocks(
nb_clusters,
&first_free_cluster);
if (refblock_offset < 0) {
fprintf(stderr, "ERROR allocating refblock: %s\n",
strerror(-refblock_offset));
error_setg_errno(errp, -refblock_offset,
"ERROR allocating refblock");
return refblock_offset;
}
@ -2539,6 +2540,7 @@ static int rebuild_refcounts_write_refblocks(
on_disk_reftable_entries *
REFTABLE_ENTRY_SIZE);
if (!on_disk_reftable) {
error_setg(errp, "ERROR allocating reftable memory");
return -ENOMEM;
}
@ -2562,7 +2564,7 @@ static int rebuild_refcounts_write_refblocks(
ret = qcow2_pre_write_overlap_check(bs, 0, refblock_offset,
s->cluster_size, false);
if (ret < 0) {
fprintf(stderr, "ERROR writing refblock: %s\n", strerror(-ret));
error_setg_errno(errp, -ret, "ERROR writing refblock");
return ret;
}
@ -2578,7 +2580,7 @@ static int rebuild_refcounts_write_refblocks(
ret = bdrv_pwrite(bs->file, refblock_offset, on_disk_refblock,
s->cluster_size);
if (ret < 0) {
fprintf(stderr, "ERROR writing refblock: %s\n", strerror(-ret));
error_setg_errno(errp, -ret, "ERROR writing refblock");
return ret;
}
@ -2601,7 +2603,8 @@ static int rebuild_refcounts_write_refblocks(
static int rebuild_refcount_structure(BlockDriverState *bs,
BdrvCheckResult *res,
void **refcount_table,
int64_t *nb_clusters)
int64_t *nb_clusters,
Error **errp)
{
BDRVQcow2State *s = bs->opaque;
int64_t reftable_offset = -1;
@ -2652,7 +2655,7 @@ static int rebuild_refcount_structure(BlockDriverState *bs,
rebuild_refcounts_write_refblocks(bs, refcount_table, nb_clusters,
0, *nb_clusters,
&on_disk_reftable,
&on_disk_reftable_entries);
&on_disk_reftable_entries, errp);
if (reftable_size_changed < 0) {
res->check_errors++;
ret = reftable_size_changed;
@ -2676,8 +2679,8 @@ static int rebuild_refcount_structure(BlockDriverState *bs,
refcount_table, nb_clusters,
&first_free_cluster);
if (reftable_offset < 0) {
fprintf(stderr, "ERROR allocating reftable: %s\n",
strerror(-reftable_offset));
error_setg_errno(errp, -reftable_offset,
"ERROR allocating reftable");
res->check_errors++;
ret = reftable_offset;
goto fail;
@ -2695,7 +2698,7 @@ static int rebuild_refcount_structure(BlockDriverState *bs,
reftable_start_cluster,
reftable_end_cluster,
&on_disk_reftable,
&on_disk_reftable_entries);
&on_disk_reftable_entries, errp);
if (reftable_size_changed < 0) {
res->check_errors++;
ret = reftable_size_changed;
@ -2725,7 +2728,7 @@ static int rebuild_refcount_structure(BlockDriverState *bs,
ret = qcow2_pre_write_overlap_check(bs, 0, reftable_offset, reftable_length,
false);
if (ret < 0) {
fprintf(stderr, "ERROR writing reftable: %s\n", strerror(-ret));
error_setg_errno(errp, -ret, "ERROR writing reftable");
goto fail;
}
@ -2733,7 +2736,7 @@ static int rebuild_refcount_structure(BlockDriverState *bs,
ret = bdrv_pwrite(bs->file, reftable_offset, on_disk_reftable,
reftable_length);
if (ret < 0) {
fprintf(stderr, "ERROR writing reftable: %s\n", strerror(-ret));
error_setg_errno(errp, -ret, "ERROR writing reftable");
goto fail;
}
@ -2746,7 +2749,7 @@ static int rebuild_refcount_structure(BlockDriverState *bs,
&reftable_offset_and_clusters,
sizeof(reftable_offset_and_clusters));
if (ret < 0) {
fprintf(stderr, "ERROR setting reftable: %s\n", strerror(-ret));
error_setg_errno(errp, -ret, "ERROR setting reftable");
goto fail;
}
@ -2814,11 +2817,13 @@ int qcow2_check_refcounts(BlockDriverState *bs, BdrvCheckResult *res,
if (rebuild && (fix & BDRV_FIX_ERRORS)) {
BdrvCheckResult old_res = *res;
int fresh_leaks = 0;
Error *local_err = NULL;
fprintf(stderr, "Rebuilding refcount structure\n");
ret = rebuild_refcount_structure(bs, res, &refcount_table,
&nb_clusters);
&nb_clusters, &local_err);
if (ret < 0) {
error_report_err(local_err);
goto fail;
}