From 552e7c8ae2c6e281a72791aefa1729be86f96642 Mon Sep 17 00:00:00 2001 From: Hanna Reitz Date: Tue, 5 Apr 2022 15:46:52 +0200 Subject: [PATCH 5/6] qcow2: Add errp to rebuild_refcount_structure() RH-Author: Hanna Reitz RH-MergeRequest: 171: qcow2: Improve refcount structure rebuilding RH-Commit: [3/4] 9dddd1d21383c4cbd528e5a0d42b0c2a7d87c8f6 RH-Bugzilla: 1519071 RH-Acked-by: Miroslav Rezanina RH-Acked-by: Stefan Hajnoczi RH-Acked-by: Eric Blake 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 Signed-off-by: Hanna Reitz Message-Id: <20220405134652.19278-4-hreitz@redhat.com> Reviewed-by: Eric Blake (cherry picked from commit 0423f75351ab83b844a31349218b0eadd830e07a) Signed-off-by: Hanna Reitz --- block/qcow2-refcount.c | 33 +++++++++++++++++++-------------- 1 file changed, 19 insertions(+), 14 deletions(-) diff --git a/block/qcow2-refcount.c b/block/qcow2-refcount.c index 555d8ba5ac..09f8ef4927 100644 --- a/block/qcow2-refcount.c +++ b/block/qcow2-refcount.c @@ -2462,7 +2462,8 @@ 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; @@ -2513,8 +2514,8 @@ 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; } @@ -2536,6 +2537,7 @@ 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; } @@ -2559,7 +2561,7 @@ 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; } @@ -2575,7 +2577,7 @@ 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; } @@ -2598,7 +2600,8 @@ 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; @@ -2649,7 +2652,7 @@ 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; @@ -2673,8 +2676,8 @@ 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; @@ -2692,7 +2695,7 @@ 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; @@ -2722,7 +2725,7 @@ 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; } @@ -2730,7 +2733,7 @@ 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; } @@ -2743,7 +2746,7 @@ 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; } @@ -2811,11 +2814,13 @@ 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; } -- 2.27.0