在 2012-11-16五的 13:59 +0100，Jiri Denemark写道：
> On Mon, Nov 12, 2012 at 09:57:29 +0800, liguang wrote:
> > original migration did not aware of offline case,
> > so, try to support offline migration quietly
> > (did not disturb original migration) by pass
> > VIR_MIGRATE_OFFLINE flag to migration APIs if only
> > the domain is really inactive, and
> > migration process will not puzzled by domain
> > offline and exit unexpectedly.
> > these changes did not take care of disk images the
> > domain required, for them could be transferred by
> > other APIs as suggested, then VIR_MIGRATE_OFFLINE
> > must not combined with VIR_MIGRATE_NON_SHARED_*.
> > and you must do a persistent migration at same time,
> > do "virsh migrate --offline --persistent ...".
> >
> > Signed-off-by: liguang <lig.f...@cn.fujitsu.com>
> > ---
> > include/libvirt/libvirt.h.in | 1 +
> > src/qemu/qemu_driver.c | 16 +++---
> > src/qemu/qemu_migration.c | 110
> > ++++++++++++++++++++++++++++--------------
> > src/qemu/qemu_migration.h | 9 ++-
> > tools/virsh-domain.c | 5 ++
> > tools/virsh.pod | 5 +-
> > 6 files changed, 97 insertions(+), 49 deletions(-)
> >
> > diff --git a/include/libvirt/libvirt.h.in b/include/libvirt/libvirt.h.in
> > index fe58c08..1e0500d 100644
> > --- a/include/libvirt/libvirt.h.in
> > +++ b/include/libvirt/libvirt.h.in
> > @@ -1090,6 +1090,7 @@ typedef enum {
> > * whole migration process;
> > this will be used automatically
> > * when supported */
> > VIR_MIGRATE_UNSAFE = (1 << 9), /* force migration even if
> > it is considered unsafe */
> > + VIR_MIGRATE_OFFLINE = (1 << 10), /* offline migrate */
> > } virDomainMigrateFlags;
> >
> > /* Domain migration. */
> > diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
> > index 978af57..5f91688 100644
> > --- a/src/qemu/qemu_driver.c
> > +++ b/src/qemu/qemu_driver.c
> > @@ -9594,7 +9594,7 @@ qemudDomainMigratePrepareTunnel(virConnectPtr dconn,
> >
> > ret = qemuMigrationPrepareTunnel(driver, dconn,
> > NULL, 0, NULL, NULL, /* No cookies in
> > v2 */
> > - st, dname, dom_xml);
> > + st, dname, dom_xml, flags);
> >
> > cleanup:
> > qemuDriverUnlock(driver);
> > @@ -9654,7 +9654,7 @@ qemudDomainMigratePrepare2(virConnectPtr dconn,
> > ret = qemuMigrationPrepareDirect(driver, dconn,
> > NULL, 0, NULL, NULL, /* No cookies */
> > uri_in, uri_out,
> > - dname, dom_xml);
> > + dname, dom_xml, flags);
> >
> > cleanup:
> > qemuDriverUnlock(driver);
> > @@ -9796,7 +9796,7 @@ qemuDomainMigrateBegin3(virDomainPtr domain,
> > asyncJob = QEMU_ASYNC_JOB_NONE;
> > }
> >
> > - if (!virDomainObjIsActive(vm)) {
> > + if (!virDomainObjIsActive(vm) && !(flags & VIR_MIGRATE_OFFLINE)) {
> > virReportError(VIR_ERR_OPERATION_INVALID,
> > "%s", _("domain is not running"));
> > goto endjob;
> > @@ -9805,9 +9805,9 @@ qemuDomainMigrateBegin3(virDomainPtr domain,
> > /* Check if there is any ejected media.
> > * We don't want to require them on the destination.
> > */
> > -
> > - if (qemuDomainCheckEjectableMedia(driver, vm, asyncJob) < 0)
> > - goto endjob;
> > + if (virDomainObjIsActive(vm) && (flags & VIR_MIGRATE_OFFLINE))
> > + if (qemuDomainCheckEjectableMedia(driver, vm, asyncJob) < 0)
> > + goto endjob;
>
> This condition is wrong, you actually want to call
> qemuDomainCheckEjectableMedia iff the migration is NOT offline and in that
> case we already know the domain is active. Thus
>
> if (!(flags & VIR_MIGRATE_OFFLINE) &&
> qemuDomainCheckEjectableMedia(driver, vm, asyncJob) < 0)
> goto enjob;
>
> is how it should look like.
>
Okay
> >
> > if (!(xml = qemuMigrationBegin(driver, vm, xmlin, dname,
> > cookieout, cookieoutlen,
> > @@ -9891,7 +9891,7 @@ qemuDomainMigratePrepare3(virConnectPtr dconn,
> > cookiein, cookieinlen,
> > cookieout, cookieoutlen,
> > uri_in, uri_out,
> > - dname, dom_xml);
> > + dname, dom_xml, flags);
> >
> > cleanup:
> > qemuDriverUnlock(driver);
> > @@ -9936,7 +9936,7 @@ qemuDomainMigratePrepareTunnel3(virConnectPtr dconn,
> > ret = qemuMigrationPrepareTunnel(driver, dconn,
> > cookiein, cookieinlen,
> > cookieout, cookieoutlen,
> > - st, dname, dom_xml);
> > + st, dname, dom_xml, flags);
> > qemuDriverUnlock(driver);
> >
> > cleanup:
> > diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c
> > index 5f8a9c5..2479114 100644
> > --- a/src/qemu/qemu_migration.c
> > +++ b/src/qemu/qemu_migration.c
> > @@ -1443,6 +1443,20 @@ char *qemuMigrationBegin(struct qemud_driver *driver,
> > QEMU_MIGRATION_COOKIE_LOCKSTATE) < 0)
> > goto cleanup;
> >
> > + if (flags & VIR_MIGRATE_OFFLINE) {
> > + if (flags & (VIR_MIGRATE_NON_SHARED_DISK|
>
> Just a nit, add space between "VIR_MIGRATE_NON_SHARED_DISK" and '|'.
Okay
>
> > + VIR_MIGRATE_NON_SHARED_INC)) {
> > + virReportError(VIR_ERR_OPERATION_INVALID,
> > + "%s", _("offline migration cannot handle
> > non-shared storage"));
> > + goto cleanup;
> > + }
> > + if (!(flags & VIR_MIGRATE_PERSIST_DEST)) {
> > + virReportError(VIR_ERR_OPERATION_INVALID,
> > + "%s", _("offline migration must be specified
> > with the persistent flag set"));
> > + goto cleanup;
> > + }
> > + }
> > +
> > if (xmlin) {
> > if (!(def = virDomainDefParseString(driver->caps, xmlin,
> > QEMU_EXPECTED_VIRT_TYPES,
>
> And as I said in v13, please, wrap the long lines so that they fit in 80
> characters.
Okay
>
> > @@ -1500,7 +1514,8 @@ qemuMigrationPrepareAny(struct qemud_driver *driver,
> > const char *dname,
> > const char *dom_xml,
> > const char *migrateFrom,
> > - virStreamPtr st)
> > + virStreamPtr st,
> > + unsigned long flags)
> > {
> > virDomainDefPtr def = NULL;
> > virDomainObjPtr vm = NULL;
> > @@ -1610,15 +1625,17 @@ qemuMigrationPrepareAny(struct qemud_driver *driver,
> > /* Start the QEMU daemon, with the same command-line arguments plus
> > * -incoming $migrateFrom
> > */
> > - if (qemuProcessStart(dconn, driver, vm, migrateFrom, dataFD[0], NULL,
> > NULL,
> > - VIR_NETDEV_VPORT_PROFILE_OP_MIGRATE_IN_START,
> > - VIR_QEMU_PROCESS_START_PAUSED |
> > - VIR_QEMU_PROCESS_START_AUTODESROY) < 0) {
> > - virDomainAuditStart(vm, "migrated", false);
> > - /* Note that we don't set an error here because qemuProcessStart
> > - * should have already done that.
> > - */
> > - goto endjob;
> > + if (!(flags & VIR_MIGRATE_OFFLINE)) {
> > + if (qemuProcessStart(dconn, driver, vm, migrateFrom, dataFD[0],
> > NULL, NULL,
> > + VIR_NETDEV_VPORT_PROFILE_OP_MIGRATE_IN_START,
> > + VIR_QEMU_PROCESS_START_PAUSED |
> > + VIR_QEMU_PROCESS_START_AUTODESROY) < 0) {
> > + virDomainAuditStart(vm, "migrated", false);
> > + /* Note that we don't set an error here because
> > qemuProcessStart
> > + * should have already done that.
> > + */
> > + goto endjob;
> > + }
> > }
> >
> > if (tunnel) {
> > @@ -1626,7 +1643,8 @@ qemuMigrationPrepareAny(struct qemud_driver *driver,
> > virReportSystemError(errno, "%s",
> > _("cannot pass pipe for tunnelled
> > migration"));
> > virDomainAuditStart(vm, "migrated", false);
> > - qemuProcessStop(driver, vm, VIR_DOMAIN_SHUTOFF_FAILED, 0);
> > + if (!(flags & VIR_MIGRATE_OFFLINE))
> > + qemuProcessStop(driver, vm, VIR_DOMAIN_SHUTOFF_FAILED, 0);
> > goto endjob;
> > }
> > dataFD[1] = -1; /* 'st' owns the FD now & will close it */
>
> Oh well, is there any reason why you changed the code in
> qemuMigrationPrepareAny you had in v13 and was mostly right (except for using
you reminded me of an active domain to be migrated by offline mechanism,
so I try to do much more preparation, in addition, prepare a stream for
tunnel v3 requirement.
> migration cookie) to something like this? Just add
>
> if (flags & VIR_MIGRATE_OFFLINE) {
> ret = 0;
> goto done;
> }
>
> below the "vm->def->id = -1;" line. And add the "done" label above
> qemuDomainCleanupAdd() and make virDomainAuditStart and event creation
> conditional for non-offline migrations only. It's also possible that we
> actually need to bake migration cookie (although with 0 flags) so we may need
> to move the "done" label few lines to the top and do some additional magic.
> But I'm not 100% sure about that. And yes, I realize I messed this part a bit
> last time since I suggested placing "done" few lines further, which would skip
> the call to qemuDomainCleanupAdd. Sorry about that.
>
> > @@ -1709,7 +1727,8 @@ qemuMigrationPrepareTunnel(struct qemud_driver
> > *driver,
> > int *cookieoutlen,
> > virStreamPtr st,
> > const char *dname,
> > - const char *dom_xml)
> > + const char *dom_xml,
> > + unsigned long flags)
> > {
> > int ret;
> >
> > @@ -1723,7 +1742,7 @@ qemuMigrationPrepareTunnel(struct qemud_driver
> > *driver,
> > */
> > ret = qemuMigrationPrepareAny(driver, dconn, cookiein, cookieinlen,
> > cookieout, cookieoutlen, dname, dom_xml,
> > - "stdio", st);
> > + "stdio", st, flags);
> > return ret;
> > }
> >
> > @@ -1738,7 +1757,8 @@ qemuMigrationPrepareDirect(struct qemud_driver
> > *driver,
> > const char *uri_in,
> > char **uri_out,
> > const char *dname,
> > - const char *dom_xml)
> > + const char *dom_xml,
> > + unsigned long flags)
> > {
> > static int port = 0;
> > int this_port;
> > @@ -1834,7 +1854,7 @@ qemuMigrationPrepareDirect(struct qemud_driver
> > *driver,
> >
> > ret = qemuMigrationPrepareAny(driver, dconn, cookiein, cookieinlen,
> > cookieout, cookieoutlen, dname, dom_xml,
> > - migrateFrom, NULL);
> > + migrateFrom, NULL, flags);
> > cleanup:
> > VIR_FREE(hostname);
> > if (ret != 0)
> > @@ -2280,7 +2300,7 @@ cleanup:
> > orig_err = virSaveLastError();
> >
> > if (spec->fwdType != MIGRATION_FWD_DIRECT) {
> > - if (iothread && qemuMigrationStopTunnel(iothread, ret < 0) < 0)
> > + if (iothread && qemuMigrationStopTunnel(iothread, ret < 0) < 0)
>
> Looks like an accidental change.
>
> > ret = -1;
> > VIR_FORCE_CLOSE(fd);
> > }
> > @@ -2353,6 +2373,9 @@ static int doNativeMigrate(struct qemud_driver
> > *driver,
> > if (!uribits)
> > return -1;
> >
> > + if (flags & VIR_MIGRATE_OFFLINE)
> > + return 0;
> > +
> > if (qemuCapsGet(priv->caps, QEMU_CAPS_MIGRATE_QEMU_FD))
> > spec.destType = MIGRATION_DEST_CONNECT_HOST;
> > else
>
> We should not be doing this hacking deep inside Perform phase, which should
> rather be skipped completely during offline migration.
Okay, I will skip perform phase.
>
> > @@ -2665,10 +2688,18 @@ static int doPeer2PeerMigrate3(struct qemud_driver
> > *driver,
> > uri, &uri_out, flags, dname, resource, dom_xml);
> > qemuDomainObjExitRemoteWithDriver(driver, vm);
> > }
> > +
> > VIR_FREE(dom_xml);
> > +
> > if (ret == -1)
> > goto cleanup;
> >
> > + if (flags & VIR_MIGRATE_OFFLINE) {
> > + cookieout = NULL;
> > + cookieoutlen = 0;
>
> And these two lines seem to confirm we really should not skip baking the
> cookie in PrepareAny (or just setting it to NULL with 0 len) rather than doing
> this hack here.
skip baking in PrepareAny?
did not see it.
>
> > + goto finish;
> > + }
> > +
> > if (!(flags & VIR_MIGRATE_TUNNELLED) &&
> > (uri_out == NULL)) {
> > virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
> > @@ -2771,7 +2802,7 @@ finish:
> > vm->def->name);
> >
> > cleanup:
> > - if (ddomain) {
> > + if (ddomain || (flags & VIR_MIGRATE_OFFLINE)) {
> > virObjectUnref(ddomain);
> > ret = 0;
> > } else {
>
> As I said several times already, this code would just ignore any error that
> might have happened so far. If we get here during offline migration with
> ddomain == NULL, we would pretend everything went ok and return 0. It's
> certainly possible I'm just missing something and my statement is not quite
> right but so far you haven't said anything that would make me think so.
> Please, either remove this change or explain in detail why it is needed and
> why the thing I'm saying is wrong.
you're right, Thanks!
>
> You said "or you'll get an error for ret = -1". Does that mean we can get here
> with ddomain == NULL even though everything succeeded? If so it's
> qemuMigrationFinish that needs to be fixed to properly return non-NULL when
> offline migration succeeded. However, looking at the code qemuMigrationFinish
> looks like it should already do so.
>
> > @@ -2848,7 +2879,7 @@ static int doPeer2PeerMigrate(struct qemud_driver
> > *driver,
> > }
> >
> > /* domain may have been stopped while we were talking to remote daemon
> > */
> > - if (!virDomainObjIsActive(vm)) {
> > + if (!virDomainObjIsActive(vm) && !(flags & VIR_MIGRATE_OFFLINE)) {
> > virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
> > _("guest unexpectedly quit"));
> > goto cleanup;
> > @@ -2911,7 +2942,7 @@ qemuMigrationPerformJob(struct qemud_driver *driver,
> > if (qemuMigrationJobStart(driver, vm, QEMU_ASYNC_JOB_MIGRATION_OUT) <
> > 0)
> > goto cleanup;
> >
> > - if (!virDomainObjIsActive(vm)) {
> > + if (!virDomainObjIsActive(vm) && !(flags & VIR_MIGRATE_OFFLINE)) {
> > virReportError(VIR_ERR_OPERATION_INVALID,
> > "%s", _("domain is not running"));
> > goto endjob;
> > @@ -3235,26 +3266,27 @@ qemuMigrationFinish(struct qemud_driver *driver,
> > * object, but if no, clean up the empty qemu process.
> > */
> > if (retcode == 0) {
> > - if (!virDomainObjIsActive(vm)) {
> > + if (!virDomainObjIsActive(vm) && !(flags & VIR_MIGRATE_OFFLINE)) {
> > virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
> > _("guest unexpectedly quit"));
> > goto endjob;
> > }
> >
> > - if (qemuMigrationVPAssociatePortProfiles(vm->def) < 0) {
> > - qemuProcessStop(driver, vm, VIR_DOMAIN_SHUTOFF_FAILED,
> > - VIR_QEMU_PROCESS_STOP_MIGRATED);
> > - virDomainAuditStop(vm, "failed");
> > - event = virDomainEventNewFromObj(vm,
> > - VIR_DOMAIN_EVENT_STOPPED,
> > -
> > VIR_DOMAIN_EVENT_STOPPED_FAILED);
> > - goto endjob;
> > + if (!(flags & VIR_MIGRATE_OFFLINE)) {
> > + if (qemuMigrationVPAssociatePortProfiles(vm->def) < 0) {
> > + qemuProcessStop(driver, vm, VIR_DOMAIN_SHUTOFF_FAILED,
> > + VIR_QEMU_PROCESS_STOP_MIGRATED);
> > + virDomainAuditStop(vm, "failed");
> > + event = virDomainEventNewFromObj(vm,
> > + VIR_DOMAIN_EVENT_STOPPED,
> > +
> > VIR_DOMAIN_EVENT_STOPPED_FAILED);
> > + goto endjob;
> > + }
> > + if (mig->network)
> > + if (qemuDomainMigrateOPDRelocate(driver, vm, mig) < 0)
> > + VIR_WARN("unable to provide network data for
> > relocation");
> > }
> >
> > - if (mig->network)
> > - if (qemuDomainMigrateOPDRelocate(driver, vm, mig) < 0)
> > - VIR_WARN("unable to provide network data for relocation");
> > -
> > if (flags & VIR_MIGRATE_PERSIST_DEST) {
> > virDomainDefPtr vmdef;
> > if (vm->persistent)
> > @@ -3302,7 +3334,7 @@ qemuMigrationFinish(struct qemud_driver *driver,
> > event = NULL;
> > }
> >
> > - if (!(flags & VIR_MIGRATE_PAUSED)) {
> > + if (!(flags & VIR_MIGRATE_PAUSED) && !(flags &
> > VIR_MIGRATE_OFFLINE)) {
> > /* run 'cont' on the destination, which allows migration on
> > qemu
> > * >= 0.10.6 to work properly. This isn't strictly necessary
> > on
> > * older qemu's, but it also doesn't hurt anything there
> > @@ -3351,9 +3383,11 @@ qemuMigrationFinish(struct qemud_driver *driver,
> > VIR_DOMAIN_EVENT_SUSPENDED,
> >
> > VIR_DOMAIN_EVENT_SUSPENDED_PAUSED);
> > }
> > - if (virDomainSaveStatus(driver->caps, driver->stateDir, vm) < 0) {
> > - VIR_WARN("Failed to save status on vm %s", vm->def->name);
> > - goto endjob;
> > + if (virDomainObjIsActive(vm)) {
> > + if (virDomainSaveStatus(driver->caps, driver->stateDir, vm) <
> > 0) {
> > + VIR_WARN("Failed to save status on vm %s", vm->def->name);
> > + goto endjob;
> > + }
> > }
>
> We should also skip generating the events. Or even better, we should emit
> VIR_DOMAIN_EVENT_DEFINED for offline migration.
Okay, I will skip.
>
> >
> > /* Guest is successfully running, so cancel previous auto destroy
> > */
> > @@ -3420,6 +3454,9 @@ int qemuMigrationConfirm(struct qemud_driver *driver,
> > if (!(mig = qemuMigrationEatCookie(driver, vm, cookiein, cookieinlen,
> > 0)))
> > return -1;
> >
> > + if (flags & VIR_MIGRATE_OFFLINE)
> > + goto done;
> > +
> > /* Did the migration go as planned? If yes, kill off the
> > * domain object, but if no, resume CPUs
> > */
> > @@ -3455,6 +3492,7 @@ int qemuMigrationConfirm(struct qemud_driver *driver,
> > }
> > }
> >
> > +done:
> > qemuMigrationCookieFree(mig);
> > rv = 0;
> >
> > diff --git a/src/qemu/qemu_migration.h b/src/qemu/qemu_migration.h
> > index 7a2269a..f2dc5aa 100644
> > --- a/src/qemu/qemu_migration.h
> > +++ b/src/qemu/qemu_migration.h
> > @@ -36,7 +36,8 @@
> > VIR_MIGRATE_NON_SHARED_DISK | \
> > VIR_MIGRATE_NON_SHARED_INC | \
> > VIR_MIGRATE_CHANGE_PROTECTION | \
> > - VIR_MIGRATE_UNSAFE)
> > + VIR_MIGRATE_UNSAFE | \
> > + VIR_MIGRATE_OFFLINE)
> >
> > enum qemuMigrationJobPhase {
> > QEMU_MIGRATION_PHASE_NONE = 0,
> > @@ -97,7 +98,8 @@ int qemuMigrationPrepareTunnel(struct qemud_driver
> > *driver,
> > int *cookieoutlen,
> > virStreamPtr st,
> > const char *dname,
> > - const char *dom_xml);
> > + const char *dom_xml,
> > + unsigned long flags);
> >
> > int qemuMigrationPrepareDirect(struct qemud_driver *driver,
> > virConnectPtr dconn,
> > @@ -108,7 +110,8 @@ int qemuMigrationPrepareDirect(struct qemud_driver
> > *driver,
> > const char *uri_in,
> > char **uri_out,
> > const char *dname,
> > - const char *dom_xml);
> > + const char *dom_xml,
> > + unsigned long flags);
> >
> > int qemuMigrationPerform(struct qemud_driver *driver,
> > virConnectPtr conn,
> > diff --git a/tools/virsh-domain.c b/tools/virsh-domain.c
> > index 393b67b..39674ba 100644
> > --- a/tools/virsh-domain.c
> > +++ b/tools/virsh-domain.c
> > @@ -6644,6 +6644,7 @@ static const vshCmdInfo info_migrate[] = {
> >
> > static const vshCmdOptDef opts_migrate[] = {
> > {"live", VSH_OT_BOOL, 0, N_("live migration")},
> > + {"offline", VSH_OT_BOOL, 0, N_("offline (domain's inactive)
> > migration")},
> > {"p2p", VSH_OT_BOOL, 0, N_("peer-2-peer migration")},
> > {"direct", VSH_OT_BOOL, 0, N_("direct migration")},
> > {"tunneled", VSH_OT_ALIAS, 0, "tunnelled"},
> > @@ -6729,6 +6730,10 @@ doMigrate(void *opaque)
> > if (vshCommandOptBool(cmd, "unsafe"))
> > flags |= VIR_MIGRATE_UNSAFE;
> >
> > + if (vshCommandOptBool(cmd, "offline")) {
> > + flags |= VIR_MIGRATE_OFFLINE;
> > + }
> > +
> > if (xmlfile &&
> > virFileReadAll(xmlfile, 8192, &xml) < 0) {
> > vshError(ctl, _("file '%s' doesn't exist"), xmlfile);
> > diff --git a/tools/virsh.pod b/tools/virsh.pod
> > index e0c6b42..2545455 100644
> > --- a/tools/virsh.pod
> > +++ b/tools/virsh.pod
> > @@ -1026,13 +1026,14 @@ I<--total> for only the total stats, I<start> for
> > only the per-cpu
> > stats of the CPUs from I<start>, I<count> for only I<count> CPUs'
> > stats.
> >
> > -=item B<migrate> [I<--live>] [I<--direct>] [I<--p2p> [I<--tunnelled>]]
> > +=item B<migrate> [I<--live>] [I<--offline>] [I<--direct>] [I<--p2p>
> > [I<--tunnelled>]]
> > [I<--persistent>] [I<--undefinesource>] [I<--suspend>]
> > [I<--copy-storage-all>]
> > [I<--copy-storage-inc>] [I<--change-protection>] [I<--unsafe>]
> > [I<--verbose>]
> > I<domain> I<desturi> [I<migrateuri>] [I<dname>]
> > [I<--timeout> B<seconds>] [I<--xml> B<file>]
> >
> > -Migrate domain to another host. Add I<--live> for live migration; I<--p2p>
> > +Migrate domain to another host. Add I<--live> for live migration;
> > +I<--offline> for offline (domain's inactive) migration; <--p2p>
> > for peer-2-peer migration; I<--direct> for direct migration; or
> > I<--tunnelled>
> > for tunnelled migration. I<--persistent> leaves the domain persistent on
> > destination host, I<--undefinesource> undefines the domain on the source
> > host,
>
> I'm afraid we need yet another version of this patch :-(
Okay, Thanks for your kind comment!
>
> Jirka
--
li guang lig.f...@cn.fujitsu.com
linux kernel team at FNST, china
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