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bh=ZUQr/xmQi6Lc41sX7GRbuzs/MT4gD1nKwSC2k47KZnE=; b=MKgkTHDMvlGpuvGU3L/KhM1+8h4wSiPJBv7PXfvCA0csQXcKwDeplVVTZyhBL6JEuYzyed VfsIgZg5Eu2zTCWWERidoUwmcyB4wiZdrrDhyAV7WTZ2ZoDLaW3gCiVoENagrLZybHYYJ7 d0Uiee8FV7MXAM4VnOI/H4K5L7NSHBM= X-MC-Unique: c-V3yZIUNUec6P5aU3q6KQ-1 From: Hanna Czenczek To: qemu-block@nongnu.org Cc: qemu-devel@nongnu.org, Hanna Czenczek , Kevin Wolf , Richard Henderson Subject: [PULL 11/17] parallels: Move check of cluster outside image to a separate function Date: Mon, 5 Jun 2023 17:45:35 +0200 Message-Id: <20230605154541.1043261-12-hreitz@redhat.com> In-Reply-To: <20230605154541.1043261-1-hreitz@redhat.com> References: <20230605154541.1043261-1-hreitz@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.1 on 10.11.54.6 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=hreitz@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1685980111986100001 Content-Type: text/plain; charset="utf-8" From: Alexander Ivanov We will add more and more checks so we need a better code structure in parallels_co_check. Let each check performs in a separate loop in a separate helper. Signed-off-by: Alexander Ivanov Reviewed-by: Denis V. Lunev Message-Id: <20230424093147.197643-8-alexander.ivanov@virtuozzo.com> Reviewed-by: Hanna Czenczek Signed-off-by: Hanna Czenczek --- block/parallels.c | 75 +++++++++++++++++++++++++++++++---------------- 1 file changed, 49 insertions(+), 26 deletions(-) diff --git a/block/parallels.c b/block/parallels.c index 94b7408b6b..7f0f72e879 100644 --- a/block/parallels.c +++ b/block/parallels.c @@ -440,13 +440,55 @@ static void parallels_check_unclean(BlockDriverState = *bs, } } =20 +static int coroutine_fn GRAPH_RDLOCK +parallels_check_outside_image(BlockDriverState *bs, BdrvCheckResult *res, + BdrvCheckMode fix) +{ + BDRVParallelsState *s =3D bs->opaque; + uint32_t i; + int64_t off, high_off, size; + + size =3D bdrv_getlength(bs->file->bs); + if (size < 0) { + res->check_errors++; + return size; + } + + high_off =3D 0; + for (i =3D 0; i < s->bat_size; i++) { + off =3D bat2sect(s, i) << BDRV_SECTOR_BITS; + if (off > size) { + fprintf(stderr, "%s cluster %u is outside image\n", + fix & BDRV_FIX_ERRORS ? "Repairing" : "ERROR", i); + res->corruptions++; + if (fix & BDRV_FIX_ERRORS) { + parallels_set_bat_entry(s, i, 0); + res->corruptions_fixed++; + } + continue; + } + if (high_off < off) { + high_off =3D off; + } + } + + if (high_off =3D=3D 0) { + res->image_end_offset =3D s->data_end << BDRV_SECTOR_BITS; + } else { + res->image_end_offset =3D high_off + s->cluster_size; + s->data_end =3D res->image_end_offset >> BDRV_SECTOR_BITS; + } + + return 0; +} + static int coroutine_fn GRAPH_RDLOCK parallels_co_check(BlockDriverState *bs, BdrvCheckResult *res, BdrvCheckMode fix) { BDRVParallelsState *s =3D bs->opaque; - int64_t size, prev_off, high_off; - int ret =3D 0; + int64_t size, prev_off; + int ret; uint32_t i; =20 size =3D bdrv_getlength(bs->file->bs); @@ -459,10 +501,14 @@ parallels_co_check(BlockDriverState *bs, BdrvCheckRes= ult *res, =20 parallels_check_unclean(bs, res, fix); =20 + ret =3D parallels_check_outside_image(bs, res, fix); + if (ret < 0) { + goto out; + } + res->bfi.total_clusters =3D s->bat_size; res->bfi.compressed_clusters =3D 0; /* compression is not supported */ =20 - high_off =3D 0; prev_off =3D 0; for (i =3D 0; i < s->bat_size; i++) { int64_t off =3D bat2sect(s, i) << BDRV_SECTOR_BITS; @@ -471,23 +517,7 @@ parallels_co_check(BlockDriverState *bs, BdrvCheckResu= lt *res, continue; } =20 - /* cluster outside the image */ - if (off > size) { - fprintf(stderr, "%s cluster %u is outside image\n", - fix & BDRV_FIX_ERRORS ? "Repairing" : "ERROR", i); - res->corruptions++; - if (fix & BDRV_FIX_ERRORS) { - parallels_set_bat_entry(s, i, 0); - res->corruptions_fixed++; - } - prev_off =3D 0; - continue; - } - res->bfi.allocated_clusters++; - if (off > high_off) { - high_off =3D off; - } =20 if (prev_off !=3D 0 && (prev_off + s->cluster_size) !=3D off) { res->bfi.fragmented_clusters++; @@ -495,13 +525,6 @@ parallels_co_check(BlockDriverState *bs, BdrvCheckResu= lt *res, prev_off =3D off; } =20 - if (high_off =3D=3D 0) { - res->image_end_offset =3D s->data_end << BDRV_SECTOR_BITS; - } else { - res->image_end_offset =3D high_off + s->cluster_size; - s->data_end =3D res->image_end_offset >> BDRV_SECTOR_BITS; - } - if (size > res->image_end_offset) { int64_t count; count =3D DIV_ROUND_UP(size - res->image_end_offset, s->cluster_si= ze); --=20 2.40.1