From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51957) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a5one-0003pb-W7 for qemu-devel@nongnu.org; Mon, 07 Dec 2015 00:57:27 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1a5ona-0005eh-04 for qemu-devel@nongnu.org; Mon, 07 Dec 2015 00:57:26 -0500 Received: from mx1.redhat.com ([209.132.183.28]:42520) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a5onZ-0005ed-Qj for qemu-devel@nongnu.org; Mon, 07 Dec 2015 00:57:21 -0500 Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (Postfix) with ESMTPS id 77391C0B0200 for ; Mon, 7 Dec 2015 05:57:21 +0000 (UTC) From: Peter Xu Date: Mon, 7 Dec 2015 13:56:30 +0800 Message-Id: <1449467796-15856-6-git-send-email-peterx@redhat.com> In-Reply-To: <1449467796-15856-1-git-send-email-peterx@redhat.com> References: <1449467796-15856-1-git-send-email-peterx@redhat.com> Subject: [Qemu-devel] [PATCH v5 05/11] dump-guest-memory: introduce dump_process() helper function. List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: drjones@redhat.com, lersek@redhat.com, armbru@redhat.com, peterx@redhat.com, lcapitulino@redhat.com, famz@redhat.com, pbonzini@redhat.com No functional change. Cleanup only. Signed-off-by: Peter Xu --- dump.c | 31 +++++++++++++++++++++---------- include/sysemu/dump.h | 3 +++ 2 files changed, 24 insertions(+), 10 deletions(-) diff --git a/dump.c b/dump.c index ccd56c8..f0ee9a8 100644 --- a/dump.c +++ b/dump.c @@ -1441,6 +1441,9 @@ static void dump_init(DumpState *s, int fd, bool has_format, Error *err = NULL; int ret; + s->has_format = has_format; + s->format = format; + /* kdump-compressed is conflict with paging and filter */ if (has_format && format != DUMP_GUEST_MEMORY_FORMAT_ELF) { assert(!paging && !has_filter); @@ -1594,6 +1597,23 @@ cleanup: dump_cleanup(s); } +/* this operation might be time consuming. */ +static void dump_process(DumpState *s, Error **errp) +{ + Error *local_err = NULL; + + if (s->has_format && s->format != DUMP_GUEST_MEMORY_FORMAT_ELF) { + create_kdump_vmcore(s, &local_err); + } else { + create_vmcore(s, &local_err); + } + + s->status = (local_err ? DUMP_STATUS_FAILED : DUMP_STATUS_COMPLETED); + error_propagate(errp, local_err); + + dump_cleanup(s); +} + void qmp_dump_guest_memory(bool paging, const char *file, bool has_detach, bool detach, bool has_begin, int64_t begin, bool has_length, @@ -1679,16 +1699,7 @@ void qmp_dump_guest_memory(bool paging, const char *file, return; } - if (has_format && format != DUMP_GUEST_MEMORY_FORMAT_ELF) { - create_kdump_vmcore(s, &local_err); - } else { - create_vmcore(s, &local_err); - } - - s->status = (local_err ? DUMP_STATUS_FAILED : DUMP_STATUS_COMPLETED); - error_propagate(errp, local_err); - - dump_cleanup(s); + dump_process(s, errp); } DumpGuestMemoryCapability *qmp_query_dump_guest_memory_capability(Error **errp) diff --git a/include/sysemu/dump.h b/include/sysemu/dump.h index affef38..d6f4a9c 100644 --- a/include/sysemu/dump.h +++ b/include/sysemu/dump.h @@ -185,6 +185,9 @@ typedef struct DumpState { size_t num_dumpable; /* number of page that can be dumped */ uint32_t flag_compress; /* indicate the compression format */ DumpStatus status; /* current dump status */ + + bool has_format; /* whether format is provided */ + DumpGuestMemoryFormat format; /* valid only if has_format == true */ } DumpState; uint16_t cpu_to_dump16(DumpState *s, uint16_t val); -- 2.4.3