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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=40.107.6.138; envelope-from=alexander.ivanov@virtuozzo.com; helo=EUR04-DB3-obe.outbound.protection.outlook.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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham 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" X-ZohoMail-DKIM: pass (identity @virtuozzo.com) X-ZM-MESSAGEID: 1660230261401100001 Content-Type: text/plain; charset="utf-8" It's too costly to write all the BAT to the disk. Let the flush function write only dirty blocks. Use parallels_set_bat_entry for setting a BAT entry and marking a relevant block as dirty. Move bdrv_co_flush call outside the locked area. v2: Patch order was changed so the replacement is done in parallels_co_chec= k. Now we use a helper to set BAT entry and mark the block dirty. Signed-off-by: Alexander Ivanov Reviewed-by: Denis V. Lunev --- block/parallels.c | 19 +++++++------------ 1 file changed, 7 insertions(+), 12 deletions(-) diff --git a/block/parallels.c b/block/parallels.c index 7f68f3cbc9..6879ea4597 100644 --- a/block/parallels.c +++ b/block/parallels.c @@ -428,7 +428,6 @@ static int coroutine_fn parallels_co_check(BlockDriverS= tate *bs, int64_t size, prev_off, high_off; int ret; uint32_t i; - bool flush_bat =3D false; =20 size =3D bdrv_getlength(bs->file->bs); if (size < 0) { @@ -467,9 +466,8 @@ static int coroutine_fn parallels_co_check(BlockDriverS= tate *bs, res->corruptions++; if (fix & BDRV_FIX_ERRORS) { prev_off =3D 0; - s->bat_bitmap[i] =3D 0; + parallels_set_bat_entry(s, i, 0); res->corruptions_fixed++; - flush_bat =3D true; continue; } } @@ -485,15 +483,6 @@ static int coroutine_fn parallels_co_check(BlockDriver= State *bs, prev_off =3D off; } =20 - ret =3D 0; - if (flush_bat) { - ret =3D bdrv_co_pwrite_sync(bs->file, 0, s->header_size, s->header= , 0); - if (ret < 0) { - res->check_errors++; - goto out; - } - } - res->image_end_offset =3D high_off + s->cluster_size; if (size > res->image_end_offset) { int64_t count; @@ -522,6 +511,12 @@ static int coroutine_fn parallels_co_check(BlockDriver= State *bs, =20 out: qemu_co_mutex_unlock(&s->lock); + + ret =3D bdrv_co_flush(bs); + if (ret < 0) { + res->check_errors++; + } + return ret; } =20 --=20 2.34.1