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Tue, 17 May 2022 04:39:13 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyijHEck4TzHalCT+J8FFxm0xKUX9KpR1NNln+3v8/SmA5S58218/xmmdTUhhzi7wF4Vw4diw== X-Received: by 2002:a05:6000:2aa:b0:20c:5a12:20dc with SMTP id l10-20020a05600002aa00b0020c5a1220dcmr18761333wry.316.1652787553618; Tue, 17 May 2022 04:39:13 -0700 (PDT) From: Alberto Faria To: qemu-devel@nongnu.org Cc: Kevin Wolf , qemu-block@nongnu.org, Hanna Reitz , Alberto Faria Subject: [PATCH 16/18] block: Add blk_co_truncate() Date: Tue, 17 May 2022 12:39:05 +0100 Message-Id: <20220517113907.200001-5-afaria@redhat.com> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20220517113524.197910-1-afaria@redhat.com> References: <20220517113524.197910-1-afaria@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=afaria@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, 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+importer2=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1652792982380100001 Content-Type: text/plain; charset="utf-8" Also convert blk_truncate() into a generated_co_wrapper. Signed-off-by: Alberto Faria Reviewed-by: Hanna Reitz Reviewed-by: Paolo Bonzini --- block/block-backend.c | 7 ++++--- include/sysemu/block-backend-io.h | 8 ++++++-- tests/unit/test-block-iothread.c | 14 ++++++++++++++ 3 files changed, 24 insertions(+), 5 deletions(-) diff --git a/block/block-backend.c b/block/block-backend.c index 7bad42259e..52be1d9116 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -2303,8 +2303,9 @@ int coroutine_fn blk_co_pwrite_compressed(BlockBacken= d *blk, int64_t offset, BDRV_REQ_WRITE_COMPRESSED); } =20 -int blk_truncate(BlockBackend *blk, int64_t offset, bool exact, - PreallocMode prealloc, BdrvRequestFlags flags, Error **er= rp) +int coroutine_fn blk_co_truncate(BlockBackend *blk, int64_t offset, bool e= xact, + PreallocMode prealloc, BdrvRequestFlags f= lags, + Error **errp) { IO_OR_GS_CODE(); if (!blk_is_available(blk)) { @@ -2312,7 +2313,7 @@ int blk_truncate(BlockBackend *blk, int64_t offset, b= ool exact, return -ENOMEDIUM; } =20 - return bdrv_truncate(blk->root, offset, exact, prealloc, flags, errp); + return bdrv_co_truncate(blk->root, offset, exact, prealloc, flags, err= p); } =20 int blk_save_vmstate(BlockBackend *blk, const uint8_t *buf, diff --git a/include/sysemu/block-backend-io.h b/include/sysemu/block-backe= nd-io.h index bb1ae25863..004493ec36 100644 --- a/include/sysemu/block-backend-io.h +++ b/include/sysemu/block-backend-io.h @@ -183,7 +183,11 @@ int generated_co_wrapper blk_pwrite_zeroes(BlockBacken= d *blk, int64_t offset, BdrvRequestFlags flags); int coroutine_fn blk_co_pwrite_zeroes(BlockBackend *blk, int64_t offset, int64_t bytes, BdrvRequestFlags flag= s); -int blk_truncate(BlockBackend *blk, int64_t offset, bool exact, - PreallocMode prealloc, BdrvRequestFlags flags, Error **er= rp); +int generated_co_wrapper blk_truncate(BlockBackend *blk, int64_t offset, + bool exact, PreallocMode prealloc, + BdrvRequestFlags flags, Error **errp= ); +int coroutine_fn blk_co_truncate(BlockBackend *blk, int64_t offset, bool e= xact, + PreallocMode prealloc, BdrvRequestFlags f= lags, + Error **errp); =20 #endif /* BLOCK_BACKEND_IO_H */ diff --git a/tests/unit/test-block-iothread.c b/tests/unit/test-block-iothr= ead.c index d701c5a056..9b7353ce89 100644 --- a/tests/unit/test-block-iothread.c +++ b/tests/unit/test-block-iothread.c @@ -298,6 +298,19 @@ static void test_sync_op_truncate(BdrvChild *c) c->bs->open_flags |=3D BDRV_O_RDWR; } =20 +static void test_sync_op_blk_truncate(BlockBackend *blk) +{ + int ret; + + /* Normal success path */ + ret =3D blk_truncate(blk, 65536, false, PREALLOC_MODE_OFF, 0, NULL); + g_assert_cmpint(ret, =3D=3D, 0); + + /* Early error: Negative offset */ + ret =3D blk_truncate(blk, -2, false, PREALLOC_MODE_OFF, 0, NULL); + g_assert_cmpint(ret, =3D=3D, -EINVAL); +} + static void test_sync_op_block_status(BdrvChild *c) { int ret; @@ -425,6 +438,7 @@ const SyncOpTest sync_op_tests[] =3D { }, { .name =3D "/sync-op/truncate", .fn =3D test_sync_op_truncate, + .blkfn =3D test_sync_op_blk_truncate, }, { .name =3D "/sync-op/block_status", .fn =3D test_sync_op_block_status, --=20 2.35.3