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| author | Kevin Wolf <kwolf@redhat.com> | 2019-04-15 16:56:07 +0200 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2019-04-30 15:29:00 +0200 |
| commit | 360bd07471dfd1830246e8403ffdc9ba9d82f9d4 (patch) | |
| tree | 6c2f7bc1811979d6b0554ee298d2a35b945b36b3 /block/qcow2.c | |
| parent | f29fbf7c6b1c9a84f6931c1c222716fbe073e6e4 (diff) | |
| download | qemu-360bd07471dfd1830246e8403ffdc9ba9d82f9d4.zip qemu-360bd07471dfd1830246e8403ffdc9ba9d82f9d4.tar.gz qemu-360bd07471dfd1830246e8403ffdc9ba9d82f9d4.tar.bz2 | |
qcow2: Add errp to preallocate_co()
We'll add a bdrv_co_truncate() call in the next patch which can return
an Error that we don't want to discard. So add an errp parameter to
preallocate_co().
Cc: qemu-stable@nongnu.org
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Diffstat (limited to 'block/qcow2.c')
| -rw-r--r-- | block/qcow2.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/block/qcow2.c b/block/qcow2.c index dfac74c..b4f9f5a 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -2721,7 +2721,7 @@ static int qcow2_set_up_encryption(BlockDriverState *bs, * Returns: 0 on success, -errno on failure. */ static int coroutine_fn preallocate_co(BlockDriverState *bs, uint64_t offset, - uint64_t new_length) + uint64_t new_length, Error **errp) { BDRVQcow2State *s = bs->opaque; uint64_t bytes; @@ -2738,6 +2738,7 @@ static int coroutine_fn preallocate_co(BlockDriverState *bs, uint64_t offset, ret = qcow2_alloc_cluster_offset(bs, offset, &cur_bytes, &host_offset, &meta); if (ret < 0) { + error_setg_errno(errp, -ret, "Allocating clusters failed"); return ret; } @@ -2746,6 +2747,7 @@ static int coroutine_fn preallocate_co(BlockDriverState *bs, uint64_t offset, ret = qcow2_alloc_cluster_link_l2(bs, meta); if (ret < 0) { + error_setg_errno(errp, -ret, "Mapping clusters failed"); qcow2_free_any_clusters(bs, meta->alloc_offset, meta->nb_clusters, QCOW2_DISCARD_NEVER); return ret; @@ -2775,6 +2777,7 @@ static int coroutine_fn preallocate_co(BlockDriverState *bs, uint64_t offset, ret = bdrv_pwrite(s->data_file, (host_offset + cur_bytes) - 1, &data, 1); if (ret < 0) { + error_setg_errno(errp, -ret, "Writing to EOF failed"); return ret; } } @@ -3748,9 +3751,8 @@ static int coroutine_fn qcow2_co_truncate(BlockDriverState *bs, int64_t offset, break; case PREALLOC_MODE_METADATA: - ret = preallocate_co(bs, old_length, offset); + ret = preallocate_co(bs, old_length, offset, errp); if (ret < 0) { - error_setg_errno(errp, -ret, "Preallocation failed"); goto fail; } break; @@ -3766,9 +3768,8 @@ static int coroutine_fn qcow2_co_truncate(BlockDriverState *bs, int64_t offset, /* With a data file, preallocation means just allocating the metadata * and forwarding the truncate request to the data file */ if (has_data_file(bs)) { - ret = preallocate_co(bs, old_length, offset); + ret = preallocate_co(bs, old_length, offset, errp); if (ret < 0) { - error_setg_errno(errp, -ret, "Preallocation failed"); goto fail; } break; |