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There were two separate instances of string->virBitmap code:
virBitmapParseInternal and virBitmapParseUnlimited.
By adding a flag to switch to expanding APIs we can merge the two
implementations into one.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
In order to prepare for reuse of the function, move the allocation of
the bitmap to the caller.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Since the feature is not needed remove it and remove the function to
virBitmapParseInternal.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The function can't fail at this point. Remove the return value.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The function can't fail at this point. Remove the return value.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The function can't fail at this point. Remove the return value.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
There's nothing that can fail in the function. Remove the return value
and adjust callers.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The function isn't used besides tests. Since the separator parsing
capability is trivial we can keep it in place and just unexport it for
now.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Use automatic memory freeing for the temporary bitmap and remove the
pointless 'cleanup' section.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Use automatic memory freeing for the temporary bitmap and remove the
pointless 'cleanup' section.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Use automatic memory freeing for the temporary bitmap and remove the
pointless 'cleanup' section.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Use automatic memory freeing for the temporary bitmap and remove the
pointless 'cleanup' section.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Use automatic memory freeing for the temporary bitmap and remove the
pointless 'cleanup' section.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Automatically free 'cmd' and 'created' by moving them to the appropriate
scopes.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Use automatic memory freeing for the temporary bitmap and remove the
pointless 'cleanup' section.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Use automatic memory freeing for the temporary bitmap and remove the
pointless 'cleanup' section.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Use automatic memory freeing for the temporary bitmap and remove the
pointless 'cleanup' section.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Use automatic memory freeing for the 'ret' bitmap and remove the
pointless 'cleanup' section.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Automatically free the 'slotmap' bitmap and get rid of the cleanup
section.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Use g_autoptr for the temp bitmap. To achieve this the variable must be
moved down to the appropriate scope.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Use automatic memory clearing for the temporary strings and bitmap and
remove the cleanup section. There are multiple temporary strings added
so that we don't reuse one.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Automatically free the 'ret' temporary bitmap and get rid of the cleanup
section.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Use automatic freeing where possible and use g_clear_pointer instead of
manual NULL-ing.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Move the 'path' and 'type' variables down to the appropriate block and
use automatic freeing for them as well as the temporary virBitmap.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Unfortunately, this fix breakes machinectl in a very nasty way,
for instance 'machinectl shell' drops into the host shell. It's
worse than being unable to start a container with CGroupsV1.
Revert until a proper fix is figured out.
This reverts commit 1b9ce05ce2.
References: https://gitlab.com/libvirt/libvirt/-/issues/182
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
We need to make sure the URI scheme is present before passing
it to strchr(), otherwise we're going to get
$ virt-ssh-helper foo
Segmentation fault (core dumped)
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
This reverts commit 69977ff105.
After previous commit it's no longer possible that QEMU driver is
not initialized in qemuStateShutdownPrepare() nor
qemuStateShutdownWait().
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
The initialization of drivers happens in a separate thread.
However, the main thread continues initialization and sets
shutdown callbacks (virStateShutdownPrepare() and
virStateShutdownWait()) even though the driver init thread is
still running. This is dangerous because if the daemon decides to
quit early (e.g. because SIGINT was delivered) the
shutdownPrepare and shutdownWait callback are called over
partially init drivers.
Set callbacks only after all drivers were initialized.
Resolves: https://gitlab.com/libvirt/libvirt/-/issues/218
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2027400
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Use the modern style and fix all offenders since new functions were
already using the contemporary style.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The error is a hard error, so the part about fallback doesn't make
sense. Spell the attribute the same way as it's in XML.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
A couple of links were still pointing to the obsolete Go
packages instead of the current module-aware ones.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
For x86, we invalidate qemu caps cache if the host CPUID changed.
However other cpu drivers do not have the 'getHostData' function
implemented.
Skip the comparison if we do not have host CPUData available,
since virCPUDataIsIdentical always returns an error in that case.
https://bugzilla.redhat.com/show_bug.cgi?id=2030119
Fixes: 3bc6f46d30
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
Outline some of the basics and the caveats of the non-shared migration
code.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
After conversion the table doesn't have to custom colors, but otherwise
seems to hold well.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Use it to enable the 'write-blocking' mode of 'blockdev-mirror'.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Non-shared storage migration of guests which are disk I/O intensive and
have fast local storage may actually never converge if the guest happens
to dirty the disk faster than it can be copied.
This patch introduces a new flag
'VIR_MIGRATE_NON_SHARED_SYNCHRONOUS_WRITES' which will instruct
hypervisors to synchronize local I/O writes with the writes to remote
storage used for migration so that the guest can't overwhelm the
migration. This comes at a cost of decreased local I/O performance for
guests which behave well on average.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Make the macro useful also for cases when one of multiple flags is
required.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Separate the paragraphs where the topic changes to simplify further
additions.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Using whitespace to align the '=' and values doesn't make sense for the
virDomainMigrateFlags enum as the visual block is interrupted by
comments.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Wire up the flag to enable the 'write-blocking' 'copy-mode' of
'blockdev-mirror'.
It's not supported by all qemu versions but it is with those which we
use -blockdev with so we can use that instead of adding another custom
capability as we use blockdev for some time now.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
In cases when the destination storage is slower than the normal VM
storage and the VM does intensive I/O to the disk a block copy job may
never converge.
Switching it to synchronous mode will ensure that all writes done by the
guest are propagated to the destination at the cost of slowing down I/O
of the guest to the synchronous speed.
This patch adds the new API flag and implements virsh support.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Forces the data to be written synchronously to both the original and the
mirrored images which ensures that the job will reach synchronized
phase.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
