[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH v2 08/10] migration: Create include for migratio
From: |
Dr. David Alan Gilbert |
Subject: |
Re: [Qemu-devel] [PATCH v2 08/10] migration: Create include for migration snapshots |
Date: |
Thu, 1 Jun 2017 13:43:37 +0100 |
User-agent: |
Mutt/1.8.2 (2017-04-18) |
* Juan Quintela (address@hidden) wrote:
> Start removing migration code from sysemu/sysemu.h.
>
> Signed-off-by: Juan Quintela <address@hidden>
Yes, the names always confused me.
Reviewed-by: Dr. David Alan Gilbert <address@hidden>
> ---
> hmp.c | 5 +++--
> include/block/block_int.h | 4 ++--
> include/migration/snapshot.h | 21 +++++++++++++++++++++
> include/sysemu/sysemu.h | 3 ---
> migration/savevm.c | 5 +++--
> replay/replay-snapshot.c | 5 +++--
> vl.c | 3 ++-
> 7 files changed, 34 insertions(+), 12 deletions(-)
> create mode 100644 include/migration/snapshot.h
>
> diff --git a/hmp.c b/hmp.c
> index 20f5dab..ad72390 100644
> --- a/hmp.c
> +++ b/hmp.c
> @@ -42,6 +42,7 @@
> #include "qemu/error-report.h"
> #include "exec/ramlist.h"
> #include "hw/intc/intc.h"
> +#include "migration/snapshot.h"
>
> #ifdef CONFIG_SPICE
> #include <spice/enums.h>
> @@ -1284,7 +1285,7 @@ void hmp_loadvm(Monitor *mon, const QDict *qdict)
>
> vm_stop(RUN_STATE_RESTORE_VM);
>
> - if (load_vmstate(name, &err) == 0 && saved_vm_running) {
> + if (load_snapshot(name, &err) == 0 && saved_vm_running) {
> vm_start();
> }
> hmp_handle_error(mon, &err);
> @@ -1294,7 +1295,7 @@ void hmp_savevm(Monitor *mon, const QDict *qdict)
> {
> Error *err = NULL;
>
> - save_vmstate(qdict_get_try_str(qdict, "name"), &err);
> + save_snapshot(qdict_get_try_str(qdict, "name"), &err);
> hmp_handle_error(mon, &err);
> }
>
> diff --git a/include/block/block_int.h b/include/block/block_int.h
> index e5eb473..cb78c4f 100644
> --- a/include/block/block_int.h
> +++ b/include/block/block_int.h
> @@ -601,8 +601,8 @@ struct BlockDriverState {
> int copy_on_read;
>
> /* If we are reading a disk image, give its size in sectors.
> - * Generally read-only; it is written to by load_vmstate and
> save_vmstate,
> - * but the block layer is quiescent during those.
> + * Generally read-only; it is written to by load_snapshot and
> + * save_snaphost, but the block layer is quiescent during those.
> */
> int64_t total_sectors;
>
> diff --git a/include/migration/snapshot.h b/include/migration/snapshot.h
> new file mode 100644
> index 0000000..c85b6ec
> --- /dev/null
> +++ b/include/migration/snapshot.h
> @@ -0,0 +1,21 @@
> +/*
> + * QEMU snapshots
> + *
> + * Copyright (c) 2004-2008 Fabrice Bellard
> + * Copyright (c) 2009-2015 Red Hat Inc
> + *
> + * Authors:
> + * Juan Quintela <address@hidden>
> + *
> + *
> + * This work is licensed under the terms of the GNU GPL, version 2 or later.
> + * See the COPYING file in the top-level directory.
> + */
> +
> +#ifndef QEMU_MIGRATION_SNAPSHOT_H
> +#define QEMU_MIGRATION_SNAPSHOT_H
> +
> +int save_snapshot(const char *name, Error **errp);
> +int load_snapshot(const char *name, Error **errp);
> +
> +#endif
> diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h
> index 723c8dc..9841a52 100644
> --- a/include/sysemu/sysemu.h
> +++ b/include/sysemu/sysemu.h
> @@ -92,9 +92,6 @@ void qemu_remove_exit_notifier(Notifier *notify);
> void qemu_add_machine_init_done_notifier(Notifier *notify);
> void qemu_remove_machine_init_done_notifier(Notifier *notify);
>
> -int save_vmstate(const char *name, Error **errp);
> -int load_vmstate(const char *name, Error **errp);
> -
> void qemu_announce_self(void);
>
> extern int autostart;
> diff --git a/migration/savevm.c b/migration/savevm.c
> index bb3f9ec..f2664f3 100644
> --- a/migration/savevm.c
> +++ b/migration/savevm.c
> @@ -35,6 +35,7 @@
> #include "sysemu/sysemu.h"
> #include "qemu/timer.h"
> #include "migration/migration.h"
> +#include "migration/snapshot.h"
> #include "qemu-file-channel.h"
> #include "qemu-file.h"
> #include "savevm.h"
> @@ -2067,7 +2068,7 @@ int qemu_loadvm_state(QEMUFile *f)
> return ret;
> }
>
> -int save_vmstate(const char *name, Error **errp)
> +int save_snapshot(const char *name, Error **errp)
> {
> BlockDriverState *bs, *bs1;
> QEMUSnapshotInfo sn1, *sn = &sn1, old_sn1, *old_sn = &old_sn1;
> @@ -2224,7 +2225,7 @@ void qmp_xen_load_devices_state(const char *filename,
> Error **errp)
> migration_incoming_state_destroy();
> }
>
> -int load_vmstate(const char *name, Error **errp)
> +int load_snapshot(const char *name, Error **errp)
> {
> BlockDriverState *bs, *bs_vm_state;
> QEMUSnapshotInfo sn;
> diff --git a/replay/replay-snapshot.c b/replay/replay-snapshot.c
> index c75cd38..a4ded29 100644
> --- a/replay/replay-snapshot.c
> +++ b/replay/replay-snapshot.c
> @@ -19,6 +19,7 @@
> #include "qapi/qmp/qstring.h"
> #include "qemu/error-report.h"
> #include "migration/vmstate.h"
> +#include "migration/snapshot.h"
>
> static void replay_pre_save(void *opaque)
> {
> @@ -66,13 +67,13 @@ void replay_vmstate_init(void)
>
> if (replay_snapshot) {
> if (replay_mode == REPLAY_MODE_RECORD) {
> - if (save_vmstate(replay_snapshot, &err) != 0) {
> + if (save_snapshot(replay_snapshot, &err) != 0) {
> error_report_err(err);
> error_report("Could not create snapshot for icount record");
> exit(1);
> }
> } else if (replay_mode == REPLAY_MODE_PLAY) {
> - if (load_vmstate(replay_snapshot, &err) != 0) {
> + if (load_snapshot(replay_snapshot, &err) != 0) {
> error_report_err(err);
> error_report("Could not load snapshot for icount replay");
> exit(1);
> diff --git a/vl.c b/vl.c
> index 993690d..86f6c71 100644
> --- a/vl.c
> +++ b/vl.c
> @@ -87,6 +87,7 @@ int main(int argc, char **argv)
> #include "sysemu/blockdev.h"
> #include "hw/block/block.h"
> #include "migration/block.h"
> +#include "migration/snapshot.h"
> #include "sysemu/tpm.h"
> #include "sysemu/dma.h"
> #include "hw/audio/soundhw.h"
> @@ -4722,7 +4723,7 @@ int main(int argc, char **argv, char **envp)
> replay_vmstate_init();
> } else if (loadvm) {
> Error *local_err = NULL;
> - if (load_vmstate(loadvm, &local_err) < 0) {
> + if (load_snapshot(loadvm, &local_err) < 0) {
> error_report_err(local_err);
> autostart = 0;
> }
> --
> 2.9.4
>
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK
[Prev in Thread] |
Current Thread |
[Next in Thread] |
- Re: [Qemu-devel] [PATCH v2 08/10] migration: Create include for migration snapshots,
Dr. David Alan Gilbert <=