From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48483) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fmy2u-0003DG-Vg for qemu-devel@nongnu.org; Tue, 07 Aug 2018 05:12:54 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fmy2t-00057V-U1 for qemu-devel@nongnu.org; Tue, 07 Aug 2018 05:12:52 -0400 Received: from mail-pf1-x42b.google.com ([2607:f8b0:4864:20::42b]:41001) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1fmy2t-00057M-NW for qemu-devel@nongnu.org; Tue, 07 Aug 2018 05:12:51 -0400 Received: by mail-pf1-x42b.google.com with SMTP id y10-v6so8279000pfn.8 for ; Tue, 07 Aug 2018 02:12:51 -0700 (PDT) From: guangrong.xiao@gmail.com Date: Tue, 7 Aug 2018 17:12:03 +0800 Message-Id: <20180807091209.13531-5-xiaoguangrong@tencent.com> In-Reply-To: <20180807091209.13531-1-xiaoguangrong@tencent.com> References: <20180807091209.13531-1-xiaoguangrong@tencent.com> Subject: [Qemu-devel] [PATCH v3 04/10] migration: drop the return value of do_compress_ram_page List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: pbonzini@redhat.com, mst@redhat.com, mtosatti@redhat.com Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org, dgilbert@redhat.com, peterx@redhat.com, wei.w.wang@intel.com, jiang.biao2@zte.com.cn, eblake@redhat.com, Xiao Guangrong From: Xiao Guangrong It is not used and cleans the code up a little Reviewed-by: Peter Xu Signed-off-by: Xiao Guangrong --- migration/ram.c | 26 +++++++++++--------------- 1 file changed, 11 insertions(+), 15 deletions(-) diff --git a/migration/ram.c b/migration/ram.c index 49ace30614..e463de4f69 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -381,8 +381,8 @@ static QemuThread *decompress_threads; static QemuMutex decomp_done_lock; static QemuCond decomp_done_cond; -static int do_compress_ram_page(QEMUFile *f, z_stream *stream, RAMBlock *block, - ram_addr_t offset, uint8_t *source_buf); +static void do_compress_ram_page(QEMUFile *f, z_stream *stream, RAMBlock *block, + ram_addr_t offset, uint8_t *source_buf); static void *do_data_compress(void *opaque) { @@ -1842,15 +1842,14 @@ static int ram_save_multifd_page(RAMState *rs, RAMBlock *block, return 1; } -static int do_compress_ram_page(QEMUFile *f, z_stream *stream, RAMBlock *block, - ram_addr_t offset, uint8_t *source_buf) +static void do_compress_ram_page(QEMUFile *f, z_stream *stream, RAMBlock *block, + ram_addr_t offset, uint8_t *source_buf) { RAMState *rs = ram_state; - int bytes_sent, blen; uint8_t *p = block->host + (offset & TARGET_PAGE_MASK); + int ret; - bytes_sent = save_page_header(rs, f, block, offset | - RAM_SAVE_FLAG_COMPRESS_PAGE); + save_page_header(rs, f, block, offset | RAM_SAVE_FLAG_COMPRESS_PAGE); /* * copy it to a internal buffer to avoid it being modified by VM @@ -1858,17 +1857,14 @@ static int do_compress_ram_page(QEMUFile *f, z_stream *stream, RAMBlock *block, * decompression */ memcpy(source_buf, p, TARGET_PAGE_SIZE); - blen = qemu_put_compression_data(f, stream, source_buf, TARGET_PAGE_SIZE); - if (blen < 0) { - bytes_sent = 0; - qemu_file_set_error(migrate_get_current()->to_dst_file, blen); + ret = qemu_put_compression_data(f, stream, source_buf, TARGET_PAGE_SIZE); + if (ret < 0) { + qemu_file_set_error(migrate_get_current()->to_dst_file, ret); error_report("compressed data failed!"); - } else { - bytes_sent += blen; - ram_release_pages(block->idstr, offset & TARGET_PAGE_MASK, 1); + return; } - return bytes_sent; + ram_release_pages(block->idstr, offset & TARGET_PAGE_MASK, 1); } static void flush_compressed_data(RAMState *rs) -- 2.14.4