From patchwork Tue Oct 11 10:00:28 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Juan Quintela X-Patchwork-Id: 118909 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [140.186.70.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id E487CB6F65 for ; Tue, 11 Oct 2011 21:20:53 +1100 (EST) Received: from localhost ([::1]:43152 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RDZAl-0002OC-5Q for incoming@patchwork.ozlabs.org; Tue, 11 Oct 2011 06:02:55 -0400 Received: from eggs.gnu.org ([140.186.70.92]:35398) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RDZAV-00021y-PH for qemu-devel@nongnu.org; Tue, 11 Oct 2011 06:02:44 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1RDZAU-0008FT-Jc for qemu-devel@nongnu.org; Tue, 11 Oct 2011 06:02:39 -0400 Received: from mx1.redhat.com ([209.132.183.28]:60806) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RDZAU-0008FJ-BQ for qemu-devel@nongnu.org; Tue, 11 Oct 2011 06:02:38 -0400 Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id p9BA2bql023472 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Tue, 11 Oct 2011 06:02:37 -0400 Received: from neno.neno (ovpn-116-17.ams2.redhat.com [10.36.116.17]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id p9BA1lvp021320; Tue, 11 Oct 2011 06:02:33 -0400 From: Juan Quintela To: qemu-devel@nongnu.org Date: Tue, 11 Oct 2011 12:00:28 +0200 Message-Id: In-Reply-To: References: In-Reply-To: References: X-Scanned-By: MIMEDefang 2.67 on 10.5.11.12 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH 08/36] buffered_file: reuse QEMUFile has_error field X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Instead of having two has_error fields in QEMUFile & QEMUBufferedFile, reuse the 1st one. Notice that the one in buffered_file is only set after a file operation. Signed-off-by: Juan Quintela Reviewed-by: Anthony Liguori --- buffered_file.c | 17 ++++++++--------- 1 files changed, 8 insertions(+), 9 deletions(-) diff --git a/buffered_file.c b/buffered_file.c index 701b440..3dadec0 100644 --- a/buffered_file.c +++ b/buffered_file.c @@ -27,7 +27,6 @@ typedef struct QEMUFileBuffered BufferedCloseFunc *close; void *opaque; QEMUFile *file; - int has_error; int freeze_output; size_t bytes_xfer; size_t xfer_limit; @@ -73,7 +72,7 @@ static void buffered_flush(QEMUFileBuffered *s) { size_t offset = 0; - if (s->has_error) { + if (qemu_file_has_error(s->file)) { DPRINTF("flush when error, bailing\n"); return; } @@ -93,7 +92,7 @@ static void buffered_flush(QEMUFileBuffered *s) if (ret <= 0) { DPRINTF("error flushing data, %zd\n", ret); - s->has_error = 1; + qemu_file_set_error(s->file); break; } else { DPRINTF("flushed %zd byte(s)\n", ret); @@ -114,7 +113,7 @@ static int buffered_put_buffer(void *opaque, const uint8_t *buf, int64_t pos, in DPRINTF("putting %d bytes at %" PRId64 "\n", size, pos); - if (s->has_error) { + if (qemu_file_has_error(s->file)) { DPRINTF("flush when error, bailing\n"); return -EINVAL; } @@ -139,7 +138,7 @@ static int buffered_put_buffer(void *opaque, const uint8_t *buf, int64_t pos, in if (ret <= 0) { DPRINTF("error putting\n"); - s->has_error = 1; + qemu_file_set_error(s->file); offset = -EINVAL; break; } @@ -173,7 +172,7 @@ static int buffered_close(void *opaque) DPRINTF("closing\n"); - while (!s->has_error && s->buffer_size) { + while (!qemu_file_has_error(s->file) && s->buffer_size) { buffered_flush(s); if (s->freeze_output) s->wait_for_unfreeze(s->opaque); @@ -193,7 +192,7 @@ static int buffered_rate_limit(void *opaque) { QEMUFileBuffered *s = opaque; - if (s->has_error) { + if (qemu_file_has_error(s->file)) { return 1; } if (s->freeze_output) @@ -208,7 +207,7 @@ static int buffered_rate_limit(void *opaque) static int64_t buffered_set_rate_limit(void *opaque, int64_t new_rate) { QEMUFileBuffered *s = opaque; - if (s->has_error) + if (qemu_file_has_error(s->file)) goto out; if (new_rate > SIZE_MAX) { @@ -232,7 +231,7 @@ static void buffered_rate_tick(void *opaque) { QEMUFileBuffered *s = opaque; - if (s->has_error) { + if (qemu_file_has_error(s->file)) { buffered_close(s); return; }