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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=40.107.6.132; 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: 1659960677863100001 Content-Type: text/plain; charset="utf-8" Signed-off-by: Alexander Ivanov --- block/parallels.c | 29 +++++++++++++++++++---------- 1 file changed, 19 insertions(+), 10 deletions(-) diff --git a/block/parallels.c b/block/parallels.c index a229c06f25..108aa907b8 100644 --- a/block/parallels.c +++ b/block/parallels.c @@ -413,6 +413,23 @@ static coroutine_fn int parallels_co_readv(BlockDriver= State *bs, return ret; } =20 +static void parallels_check_unclean(BlockDriverState *bs, + BdrvCheckResult *res, + BdrvCheckMode fix) +{ + BDRVParallelsState *s =3D bs->opaque; + + if (s->header_unclean) { + fprintf(stderr, "%s image was not closed correctly\n", + fix & BDRV_FIX_ERRORS ? "Repairing" : "ERROR"); + res->corruptions++; + if (fix & BDRV_FIX_ERRORS) { + /* parallels_close will do the job right */ + res->corruptions_fixed++; + s->header_unclean =3D false; + } + } +} =20 static int coroutine_fn parallels_co_check(BlockDriverState *bs, BdrvCheckResult *res, @@ -431,16 +448,8 @@ static int coroutine_fn parallels_co_check(BlockDriver= State *bs, } =20 qemu_co_mutex_lock(&s->lock); - if (s->header_unclean) { - fprintf(stderr, "%s image was not closed correctly\n", - fix & BDRV_FIX_ERRORS ? "Repairing" : "ERROR"); - res->corruptions++; - if (fix & BDRV_FIX_ERRORS) { - /* parallels_close will do the job right */ - res->corruptions_fixed++; - s->header_unclean =3D false; - } - } + + parallels_check_unclean(bs, res, fix); =20 res->bfi.total_clusters =3D s->bat_size; res->bfi.compressed_clusters =3D 0; /* compression is not supported */ --=20 2.34.1 From nobody Mon Feb 9 06:08:10 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; arc=pass (i=1 dmarc=pass fromdomain=virtuozzo.com); dmarc=pass(p=quarantine dis=none) header.from=virtuozzo.com ARC-Seal: i=2; a=rsa-sha256; t=1659960686; cv=pass; d=zohomail.com; s=zohoarc; b=RTMQzFTJbq+F4zMC/DO1nGHOFbz+faFXEl5Uv6Zw0siUUn++DGe9VdqxQW55id7wYqznTFP5VZ+i1oAWzi9hs9VAV+m3ZOKTUBIZSWfw9K6Zb5DEvfTV5GP9j8XAPuIg0pnS/lv/BprVWT8tbFEjllVrY6YMpYzOb/2BEJqDGls= ARC-Message-Signature: i=2; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=40.107.6.99; 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: 1659960687481100001 Content-Type: text/plain; charset="utf-8" Signed-off-by: Alexander Ivanov --- block/parallels.c | 76 +++++++++++++++++++++++++++++++++-------------- 1 file changed, 53 insertions(+), 23 deletions(-) diff --git a/block/parallels.c b/block/parallels.c index 108aa907b8..7b400ecdcc 100644 --- a/block/parallels.c +++ b/block/parallels.c @@ -413,6 +413,13 @@ static coroutine_fn int parallels_co_readv(BlockDriver= State *bs, return ret; } =20 +static void parallels_set_bat_entry(BDRVParallelsState *s, + uint32_t index, uint32_t offset) +{ + s->bat_bitmap[index] =3D offset; + bitmap_set(s->bat_dirty_bmap, bat_entry_off(index) / s->bat_dirty_bloc= k, 1); +} + static void parallels_check_unclean(BlockDriverState *bs, BdrvCheckResult *res, BdrvCheckMode fix) @@ -431,6 +438,47 @@ static void parallels_check_unclean(BlockDriverState *= bs, } } =20 +static int parallels_check_outside_image(BlockDriverState *bs, + BdrvCheckResult *res, + BdrvCheckMode fix) +{ + BDRVParallelsState *s =3D bs->opaque; + uint32_t i; + int64_t off, size; + int ret; + bool flush_bat =3D false; + + size =3D bdrv_getlength(bs->file->bs); + if (size < 0) { + res->check_errors++; + return size; + } + + 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++; + flush_bat =3D true; + } + } + } + + if (flush_bat) { + ret =3D bdrv_co_pwrite_sync(bs->file, 0, s->header_size, s->header= , 0); + if (ret < 0) { + res->check_errors++; + return ret; + } + } + + return 0; +} + static int coroutine_fn parallels_co_check(BlockDriverState *bs, BdrvCheckResult *res, BdrvCheckMode fix) @@ -439,7 +487,6 @@ 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) { @@ -451,6 +498,11 @@ static int coroutine_fn parallels_co_check(BlockDriver= State *bs, =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 @@ -463,20 +515,6 @@ static int coroutine_fn parallels_co_check(BlockDriver= State *bs, 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) { - prev_off =3D 0; - s->bat_bitmap[i] =3D 0; - res->corruptions_fixed++; - flush_bat =3D true; - continue; - } - } - res->bfi.allocated_clusters++; if (off > high_off) { high_off =3D off; @@ -489,14 +527,6 @@ static int coroutine_fn parallels_co_check(BlockDriver= State *bs, } =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; --=20 2.34.1 From nobody Mon Feb 9 06:08:10 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; arc=pass (i=1 dmarc=pass fromdomain=virtuozzo.com); dmarc=pass(p=quarantine dis=none) header.from=virtuozzo.com ARC-Seal: i=2; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=40.107.6.132; 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: 1659960877607100001 Content-Type: text/plain; charset="utf-8" Signed-off-by: Alexander Ivanov --- block/parallels.c | 96 ++++++++++++++++++++++++++++------------------- 1 file changed, 58 insertions(+), 38 deletions(-) diff --git a/block/parallels.c b/block/parallels.c index 7b400ecdcc..6d4cfb738b 100644 --- a/block/parallels.c +++ b/block/parallels.c @@ -479,57 +479,31 @@ static int parallels_check_outside_image(BlockDriverS= tate *bs, return 0; } =20 -static int coroutine_fn parallels_co_check(BlockDriverState *bs, - BdrvCheckResult *res, - BdrvCheckMode fix) +static int parallels_check_leak(BlockDriverState *bs, + BdrvCheckResult *res, + BdrvCheckMode fix) { BDRVParallelsState *s =3D bs->opaque; - int64_t size, prev_off, high_off; - int ret; uint32_t i; - - size =3D bdrv_getlength(bs->file->bs); - if (size < 0) { - res->check_errors++; - return size; - } - - qemu_co_mutex_lock(&s->lock); - - parallels_check_unclean(bs, res, fix); - - 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 */ + int64_t off, high_off, size, count; + int ret; =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; - if (off =3D=3D 0) { - prev_off =3D 0; - continue; - } - - res->bfi.allocated_clusters++; + off =3D bat2sect(s, i) << BDRV_SECTOR_BITS; 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++; - } - prev_off =3D off; + size =3D bdrv_getlength(bs->file->bs); + if (size < 0) { + res->check_errors++; + return size; } =20 - ret =3D 0; res->image_end_offset =3D high_off + s->cluster_size; if (size > res->image_end_offset) { - int64_t count; count =3D DIV_ROUND_UP(size - res->image_end_offset, s->cluster_si= ze); fprintf(stderr, "%s space leaked at the end of the image %" PRId64= "\n", fix & BDRV_FIX_LEAKS ? "Repairing" : "ERROR", @@ -547,12 +521,58 @@ static int coroutine_fn parallels_co_check(BlockDrive= rState *bs, if (ret < 0) { error_report_err(local_err); res->check_errors++; - goto out; + return ret; } res->leaks_fixed +=3D count; } } =20 + return 0; +} + +static int coroutine_fn parallels_co_check(BlockDriverState *bs, + BdrvCheckResult *res, + BdrvCheckMode fix) +{ + BDRVParallelsState *s =3D bs->opaque; + int64_t prev_off; + int ret; + uint32_t i; + + qemu_co_mutex_lock(&s->lock); + + parallels_check_unclean(bs, res, fix); + + ret =3D parallels_check_outside_image(bs, res, fix); + if (ret < 0) { + goto out; + } + + ret =3D parallels_check_leak(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 */ + + prev_off =3D 0; + for (i =3D 0; i < s->bat_size; i++) { + int64_t off =3D bat2sect(s, i) << BDRV_SECTOR_BITS; + if (off =3D=3D 0) { + prev_off =3D 0; + continue; + } + + res->bfi.allocated_clusters++; + + if (prev_off !=3D 0 && (prev_off + s->cluster_size) !=3D off) { + res->bfi.fragmented_clusters++; + } + prev_off =3D off; + } + + ret =3D 0; out: qemu_co_mutex_unlock(&s->lock); return ret; --=20 2.34.1 From nobody Mon Feb 9 06:08:10 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; arc=pass (i=1 dmarc=pass fromdomain=virtuozzo.com); dmarc=pass(p=quarantine dis=none) header.from=virtuozzo.com ARC-Seal: i=2; a=rsa-sha256; t=1659961158; cv=pass; d=zohomail.com; s=zohoarc; b=ANjjVh+3coIGWvld+c3mlRUZXltd8dPPPfPm60NFWZ+DkeHTKlFEiH6woD4WWsj4e0QKF/VCH4Zs2O9yWjNgUtgReXzDdkqGFe7nHhAVNv6wBOCbhWpbEU0tVoP3tT/4YUh5M/2ZBvwl0+nKfuwy+7tAM8elWnyv/ze2fzuSvUQ= ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1659961158; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=40.107.6.132; 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: 1659961158916100003 Content-Type: text/plain; charset="utf-8" Signed-off-by: Alexander Ivanov --- block/parallels.c | 38 +++++++++++++++++++++++++------------- 1 file changed, 25 insertions(+), 13 deletions(-) diff --git a/block/parallels.c b/block/parallels.c index 6d4cfb738b..0edbb812dd 100644 --- a/block/parallels.c +++ b/block/parallels.c @@ -530,12 +530,34 @@ static int parallels_check_leak(BlockDriverState *bs, return 0; } =20 +static void parallels_check_fragmentation(BlockDriverState *bs, + BdrvCheckResult *res, + BdrvCheckMode fix) +{ + BDRVParallelsState *s =3D bs->opaque; + uint32_t i; + int64_t off, prev_off; + + prev_off =3D 0; + for (i =3D 0; i < s->bat_size; i++) { + off =3D bat2sect(s, i) << BDRV_SECTOR_BITS; + if (off =3D=3D 0) { + prev_off =3D 0; + continue; + } + if (prev_off !=3D 0 && (prev_off + s->cluster_size) !=3D off) { + res->bfi.fragmented_clusters++; + } + prev_off =3D off; + } + +} + static int coroutine_fn parallels_co_check(BlockDriverState *bs, BdrvCheckResult *res, BdrvCheckMode fix) { BDRVParallelsState *s =3D bs->opaque; - int64_t prev_off; int ret; uint32_t i; =20 @@ -553,23 +575,13 @@ static int coroutine_fn parallels_co_check(BlockDrive= rState *bs, goto out; } =20 + parallels_check_fragmentation(bs, res, fix); + res->bfi.total_clusters =3D s->bat_size; res->bfi.compressed_clusters =3D 0; /* compression is not supported */ =20 - prev_off =3D 0; for (i =3D 0; i < s->bat_size; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=40.107.6.99; 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: 1659961439896100001 Content-Type: text/plain; charset="utf-8" Signed-off-by: Alexander Ivanov --- block/parallels.c | 25 ++++++++++++++++++------- 1 file changed, 18 insertions(+), 7 deletions(-) diff --git a/block/parallels.c b/block/parallels.c index 0edbb812dd..b0982d60d0 100644 --- a/block/parallels.c +++ b/block/parallels.c @@ -553,13 +553,29 @@ static void parallels_check_fragmentation(BlockDriver= State *bs, =20 } =20 +static void parallels_collect_statistics(BlockDriverState *bs, + BdrvCheckResult *res, + BdrvCheckMode fix) +{ + BDRVParallelsState *s =3D bs->opaque; + uint32_t i; + + res->bfi.total_clusters =3D s->bat_size; + res->bfi.compressed_clusters =3D 0; /* compression is not supported */ + + for (i =3D 0; i < s->bat_size; i++) { + if (bat2sect(s, i) !=3D 0) { + res->bfi.allocated_clusters++; + } + } +} + static int coroutine_fn parallels_co_check(BlockDriverState *bs, BdrvCheckResult *res, BdrvCheckMode fix) { BDRVParallelsState *s =3D bs->opaque; int ret; - uint32_t i; =20 qemu_co_mutex_lock(&s->lock); =20 @@ -577,12 +593,7 @@ static int coroutine_fn parallels_co_check(BlockDriver= State *bs, =20 parallels_check_fragmentation(bs, res, fix); =20 - res->bfi.total_clusters =3D s->bat_size; - res->bfi.compressed_clusters =3D 0; /* compression is not supported */ - - for (i =3D 0; i < s->bat_size; i++) { - res->bfi.allocated_clusters++; - } + parallels_collect_statistics(bs, res, fix); =20 ret =3D 0; out: --=20 2.34.1 From nobody Mon Feb 9 06:08:10 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=40.107.6.132; 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: 1659961711310100001 Content-Type: text/plain; charset="utf-8" Replace the way that we use mutex in parallels_co_check() for more clean co= de. Signed-off-by: Alexander Ivanov --- block/parallels.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/block/parallels.c b/block/parallels.c index b0982d60d0..3cb5452613 100644 --- a/block/parallels.c +++ b/block/parallels.c @@ -577,28 +577,25 @@ static int coroutine_fn parallels_co_check(BlockDrive= rState *bs, BDRVParallelsState *s =3D bs->opaque; int ret; =20 - qemu_co_mutex_lock(&s->lock); + WITH_QEMU_LOCK_GUARD(&s->lock); =20 parallels_check_unclean(bs, res, fix); =20 ret =3D parallels_check_outside_image(bs, res, fix); if (ret < 0) { - goto out; + return ret; } =20 ret =3D parallels_check_leak(bs, res, fix); if (ret < 0) { - goto out; + return ret; } =20 parallels_check_fragmentation(bs, res, fix); =20 parallels_collect_statistics(bs, res, fix); =20 - ret =3D 0; -out: - qemu_co_mutex_unlock(&s->lock); - return ret; + return 0; } =20 =20 --=20 2.34.1 From nobody Mon Feb 9 06:08:10 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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b=eBjESQpMnOsIcAv4aX6UtlnLVknEOmDS/yBTaiXS5Mb1JzjsWXL3A/I0NBRYuYdzr3HLsBfQ+GafQco4tQoWhGJAmaqmYM252eATgybRo5JdbIq4mjLcmDthw54k4Co6gqF9dLj94sKGMWoi9TCFd5STUJrk4ml1IQRJXWWq4S7HwDNrVIY3Onb/OPiQrXDVmwKz9r8Nl0ddn2FS81xpNm2TRXLqMB592CVYJBq/cywYLY723bEUubNaz84+QukmCZMpyQPzNjejK1SgjHuc09GugXc9T+4FCvB6PcZ/ki6gtLSklPfQz1KEqtHn0fMoXHBDpQ6hiWvlYudcalWmMQ== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=virtuozzo.com; From: Alexander Ivanov To: qemu-devel@nongnu.org Cc: qemu-block@nongnu.org, den@virtuozzo.com, stefanha@redhat.com, vsementsov@yandex-team.ru, kwolf@redhat.com, hreitz@redhat.com Subject: [PATCH 7/9] parallels: Out of image offset in BAT leads to image inflation Date: Mon, 8 Aug 2022 14:07:32 +0200 Message-Id: <20220808120734.1168314-8-alexander.ivanov@virtuozzo.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220808120734.1168314-1-alexander.ivanov@virtuozzo.com> References: <20220808120734.1168314-1-alexander.ivanov@virtuozzo.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: FR3P281CA0042.DEUP281.PROD.OUTLOOK.COM (2603:10a6:d10:4a::13) To AS8PR08MB7095.eurprd08.prod.outlook.com (2603:10a6:20b:402::11) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 03a5c2f7-5169-4733-25b0-08da79369c6f X-MS-TrafficTypeDiagnostic: VI1PR08MB5360:EE_ X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=40.107.6.99; 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: 1659960789959100001 Content-Type: text/plain; charset="utf-8" When an image is opened, data_end field in BDRVParallelsState is setted as the biggest offset in the BAT plus cluster size. If there is a corrupted offset pointing outside the image, the image size increase accordingly. It potentially leads to attempts to create a file size of petabytes. Set the data_end field with the original file size if the image was opened for checking and repairing purposes or raise an error. Signed-off-by: Alexander Ivanov --- block/parallels.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/block/parallels.c b/block/parallels.c index 3cb5452613..72cf7499c1 100644 --- a/block/parallels.c +++ b/block/parallels.c @@ -811,6 +811,7 @@ static int parallels_open(BlockDriverState *bs, QDict *= options, int flags, BDRVParallelsState *s =3D bs->opaque; ParallelsHeader ph; int ret, size, i; + int64_t file_size; QemuOpts *opts =3D NULL; Error *local_err =3D NULL; char *buf; @@ -890,6 +891,22 @@ static int parallels_open(BlockDriverState *bs, QDict = *options, int flags, } } =20 + file_size =3D bdrv_getlength(bs->file->bs); + if (file_size < 0) { + goto fail; + } + + file_size >>=3D BDRV_SECTOR_BITS; + if (s->data_end > file_size) { + if (flags & BDRV_O_CHECK) { + s->data_end =3D file_size; + } else { + error_setg(errp, "parallels: Offset in BAT is out of image"); + ret =3D -EINVAL; + goto fail; + } + } + if (le32_to_cpu(ph.inuse) =3D=3D HEADER_INUSE_MAGIC) { /* Image was not closed correctly. 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=40.107.6.132; 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: 1659960883577100001 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. Signed-off-by: Alexander Ivanov --- block/parallels.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/block/parallels.c b/block/parallels.c index 72cf7499c1..38b1482e81 100644 --- a/block/parallels.c +++ b/block/parallels.c @@ -469,7 +469,7 @@ static int parallels_check_outside_image(BlockDriverSta= te *bs, } =20 if (flush_bat) { - ret =3D bdrv_co_pwrite_sync(bs->file, 0, s->header_size, s->header= , 0); + ret =3D bdrv_co_flush(bs); if (ret < 0) { res->check_errors++; return ret; --=20 2.34.1 From nobody Mon Feb 9 06:08:10 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; arc=pass (i=1 dmarc=pass fromdomain=virtuozzo.com); dmarc=pass(p=quarantine dis=none) header.from=virtuozzo.com ARC-Seal: i=2; a=rsa-sha256; t=1659961177; cv=pass; d=zohomail.com; s=zohoarc; b=Cj+8rCBeS9Mc8aoyCawV9BrD0zqzLUaUYPmAVMN2kvpzYruZg+I76aXhklGklN3YoAi2LepceHX36FlxXmf9ayHxToTm8amYDf8hrsGamGOUaEmvlnn6fwYXsVAtKj1fPkjygaKEnuiAa2qVF0j8IptlBeGlBhsev+Z5G5uTp+g= ARC-Message-Signature: i=2; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=40.107.6.99; 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: 1659961179214100001 Content-Type: text/plain; charset="utf-8" Frgamentation is a part of statistics so it is better to count the statisti= cs in one function. Signed-off-by: Alexander Ivanov --- block/parallels.c | 31 ++++++++----------------------- 1 file changed, 8 insertions(+), 23 deletions(-) diff --git a/block/parallels.c b/block/parallels.c index 38b1482e81..11597c5dc4 100644 --- a/block/parallels.c +++ b/block/parallels.c @@ -530,13 +530,16 @@ static int parallels_check_leak(BlockDriverState *bs, return 0; } =20 -static void parallels_check_fragmentation(BlockDriverState *bs, - BdrvCheckResult *res, - BdrvCheckMode fix) +static void parallels_collect_statistics(BlockDriverState *bs, + BdrvCheckResult *res, + BdrvCheckMode fix) { BDRVParallelsState *s =3D bs->opaque; - uint32_t i; int64_t off, prev_off; + uint32_t i; + + res->bfi.total_clusters =3D s->bat_size; + res->bfi.compressed_clusters =3D 0; /* compression is not supported */ =20 prev_off =3D 0; for (i =3D 0; i < s->bat_size; i++) { @@ -549,24 +552,8 @@ static void parallels_check_fragmentation(BlockDriverS= tate *bs, res->bfi.fragmented_clusters++; } prev_off =3D off; - } =20 -} - -static void parallels_collect_statistics(BlockDriverState *bs, - BdrvCheckResult *res, - BdrvCheckMode fix) -{ - BDRVParallelsState *s =3D bs->opaque; - uint32_t i; - - res->bfi.total_clusters =3D s->bat_size; - res->bfi.compressed_clusters =3D 0; /* compression is not supported */ - - for (i =3D 0; i < s->bat_size; i++) { - if (bat2sect(s, i) !=3D 0) { - res->bfi.allocated_clusters++; - } + res->bfi.allocated_clusters++; } } =20 @@ -591,8 +578,6 @@ static int coroutine_fn parallels_co_check(BlockDriverS= tate *bs, return ret; } =20 - parallels_check_fragmentation(bs, res, fix); - parallels_collect_statistics(bs, res, fix); =20 return 0; --=20 2.34.1