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t=1709133703; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Yei0QUkdknw0DkZwKKRyp+HpBHZX5C0CfiFOhKXCH40=; b=rJDJQesUMca6NWzHoml4wMxJ/eklkUKBzUVHZHVzvqprkxm/UGbRFiEgb4Q36asScgGNoP tTbmqJ5wfZ23nl7wzv/QmbFpNSmldH72xBSGkko1GGwSWS1peEAUd+BzoknVcYScKFsZD6 3DqliJ215+4orb8ZKMOUkCsNdeNkpYs= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1709133703; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Yei0QUkdknw0DkZwKKRyp+HpBHZX5C0CfiFOhKXCH40=; b=YDYxikAbMgTkryqW6JO38laq1lXeHdQ3jFOB1rwi00OjrKMAJjpcFhbgVp1ZIaVrejt3fN PYHP1sHu14L76+BQ== From: Fabiano Rosas To: qemu-devel@nongnu.org Cc: berrange@redhat.com, armbru@redhat.com, Peter Xu , Claudio Fontana Subject: [PATCH v5 05/23] io: fsync before closing a file channel Date: Wed, 28 Feb 2024 12:21:09 -0300 Message-Id: <20240228152127.18769-6-farosas@suse.de> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20240228152127.18769-1-farosas@suse.de> References: <20240228152127.18769-1-farosas@suse.de> MIME-Version: 1.0 Content-Type: text/plain; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=195.135.223.131; envelope-from=farosas@suse.de; helo=smtp-out2.suse.de X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 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_MED=-2.3, 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 @suse.de) X-ZM-MESSAGEID: 1709133847104100019 Make sure the data is flushed to disk before closing file channels. This is to ensure data is on disk and not lost in the event of a host crash. This is currently being implemented to affect the migration code when migrating to a file, but all QIOChannelFile users should benefit from the change. Reviewed-by: Daniel P. Berrang=C3=A9 Acked-by: Daniel P. Berrang=C3=A9 Signed-off-by: Fabiano Rosas --- io/channel-file.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/io/channel-file.c b/io/channel-file.c index a6ad7770c6..d4706fa592 100644 --- a/io/channel-file.c +++ b/io/channel-file.c @@ -242,6 +242,11 @@ static int qio_channel_file_close(QIOChannel *ioc, { QIOChannelFile *fioc =3D QIO_CHANNEL_FILE(ioc); =20 + if (qemu_fdatasync(fioc->fd) < 0) { + error_setg_errno(errp, errno, + "Unable to synchronize file data with storage dev= ice"); + return -1; + } if (qemu_close(fioc->fd) < 0) { error_setg_errno(errp, errno, "Unable to close file"); --=20 2.35.3