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bh=PDKyUbSmLP6Qcr0DTtmBT55sngUFPePIR6zJW4JRhd0=; b=K2//3/Zy6/uP+NGA1FMRGVsdzNXS98BCUzZ95rWoPqEETiakHPTrnIQw78AAE5VocVQ0C+ PEqzP3rT1FsM2Y193dragglsJPnndyxM/uPzmsZkiVy5/qbcrbTRD6Bjf2uvNaOYtuGnKw VDLNbH81ULv+BgNM03vN4sf4VDr0LoA= X-MC-Unique: KTfRADHdNPWZY86ykG-oVw-1 From: peterx@redhat.com To: Peter Maydell , qemu-devel@nongnu.org Cc: peterx@redhat.com, Fabiano Rosas Subject: [PULL 18/34] migration/multifd: Change retval of multifd_send_pages() Date: Thu, 8 Feb 2024 11:05:12 +0800 Message-ID: <20240208030528.368214-19-peterx@redhat.com> In-Reply-To: <20240208030528.368214-1-peterx@redhat.com> References: <20240208030528.368214-1-peterx@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.9 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=peterx@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.106, 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_NONE=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-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1707361699906100003 Content-Type: text/plain; charset="utf-8" From: Peter Xu Using int is an overkill when there're only two options. Change it to a boolean. Reviewed-by: Fabiano Rosas Link: https://lore.kernel.org/r/20240202102857.110210-18-peterx@redhat.com Signed-off-by: Peter Xu --- migration/multifd.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/migration/multifd.c b/migration/multifd.c index 12e587fda8..35d4e8ad1f 100644 --- a/migration/multifd.c +++ b/migration/multifd.c @@ -449,9 +449,10 @@ static void multifd_send_kick_main(MultiFDSendParams *= p) * thread is using the channel mutex when changing it, and the channel * have to had finish with its own, otherwise pending_job can't be * false. + * + * Returns true if succeed, false otherwise. */ - -static int multifd_send_pages(void) +static bool multifd_send_pages(void) { int i; static int next_channel; @@ -459,7 +460,7 @@ static int multifd_send_pages(void) MultiFDPages_t *pages =3D multifd_send_state->pages; =20 if (multifd_send_should_exit()) { - return -1; + return false; } =20 /* We wait here, until at least one channel is ready */ @@ -473,7 +474,7 @@ static int multifd_send_pages(void) next_channel %=3D migrate_multifd_channels(); for (i =3D next_channel;; i =3D (i + 1) % migrate_multifd_channels()) { if (multifd_send_should_exit()) { - return -1; + return false; } p =3D &multifd_send_state->params[i]; /* @@ -502,7 +503,7 @@ static int multifd_send_pages(void) qemu_mutex_unlock(&p->mutex); qemu_sem_post(&p->sem); =20 - return 1; + return true; } =20 /* Returns true if enqueue successful, false otherwise */ @@ -526,7 +527,7 @@ bool multifd_queue_page(RAMBlock *block, ram_addr_t off= set) changed =3D true; } =20 - if (multifd_send_pages() < 0) { + if (!multifd_send_pages()) { return false; } =20 @@ -666,7 +667,7 @@ int multifd_send_sync_main(void) return 0; } if (multifd_send_state->pages->num) { - if (multifd_send_pages() < 0) { + if (!multifd_send_pages()) { error_report("%s: multifd_send_pages fail", __func__); return -1; } --=20 2.43.0