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authorPeter Maydell <peter.maydell@linaro.org>2020-10-06 15:04:10 +0100
committerPeter Maydell <peter.maydell@linaro.org>2020-10-06 15:04:10 +0100
commitf2687fdb7571a444b5af3509574b659d35ddd601 (patch)
treea9e0ad482699be555e957d3a622b6b6068e96d8b /block/qcow2-snapshot.c
parentd7c5b788295426c1ef48a9ffc3432c51220f69ba (diff)
parentbe52eca309788aa69dc10a8cae63e8a40de7a2f7 (diff)
Merge remote-tracking branch 'remotes/bonzini-gitlab/tags/for-upstream' into staging
* Reverse debugging (Pavel) * CFLAGS cleanup (Paolo) * ASLR fix (Mark) * cpus.c refactoring (Claudio) # gpg: Signature made Tue 06 Oct 2020 07:35:09 BST # gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83 # gpg: issuer "pbonzini@redhat.com" # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full] # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full] # Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1 # Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83 * remotes/bonzini-gitlab/tags/for-upstream: (37 commits) tests/acceptance: add reverse debugging test replay: create temporary snapshot at debugger connection replay: describe reverse debugging in docs/replay.txt gdbstub: add reverse continue support in replay mode gdbstub: add reverse step support in replay mode replay: flush rr queue before loading the vmstate replay: implement replay-seek command replay: introduce breakpoint at the specified step replay: introduce info hmp/qmp command qapi: introduce replay.json for record/replay-related stuff migration: introduce icount field for snapshots qcow2: introduce icount field for snapshots replay: provide an accessor for rr filename replay: don't record interrupt poll configure: don't enable ASLR for --enable-debug Windows builds configure: consistently pass CFLAGS/CXXFLAGS/LDFLAGS to meson configure: do not clobber environment CFLAGS/CXXFLAGS/LDFLAGS dtc: Convert Makefile bits to meson bits slirp: Convert Makefile bits to meson bits accel/tcg: use current_machine as it is always set for softmmu ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'block/qcow2-snapshot.c')
-rw-r--r--block/qcow2-snapshot.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/block/qcow2-snapshot.c b/block/qcow2-snapshot.c
index 9b68690f56..2e98c7f4b6 100644
--- a/block/qcow2-snapshot.c
+++ b/block/qcow2-snapshot.c
@@ -164,6 +164,12 @@ static int qcow2_do_read_snapshots(BlockDriverState *bs, bool repair,
sn->disk_size = bs->total_sectors * BDRV_SECTOR_SIZE;
}
+ if (sn->extra_data_size >= endof(QCowSnapshotExtraData, icount)) {
+ sn->icount = be64_to_cpu(extra.icount);
+ } else {
+ sn->icount = -1ULL;
+ }
+
if (sn->extra_data_size > sizeof(extra)) {
uint64_t extra_data_end;
size_t unknown_extra_data_size;
@@ -333,6 +339,7 @@ int qcow2_write_snapshots(BlockDriverState *bs)
memset(&extra, 0, sizeof(extra));
extra.vm_state_size_large = cpu_to_be64(sn->vm_state_size);
extra.disk_size = cpu_to_be64(sn->disk_size);
+ extra.icount = cpu_to_be64(sn->icount);
id_str_size = strlen(sn->id_str);
name_size = strlen(sn->name);
@@ -656,6 +663,7 @@ int qcow2_snapshot_create(BlockDriverState *bs, QEMUSnapshotInfo *sn_info)
sn->date_sec = sn_info->date_sec;
sn->date_nsec = sn_info->date_nsec;
sn->vm_clock_nsec = sn_info->vm_clock_nsec;
+ sn->icount = sn_info->icount;
sn->extra_data_size = sizeof(QCowSnapshotExtraData);
/* Allocate the L1 table of the snapshot and copy the current one there. */
@@ -1000,6 +1008,7 @@ int qcow2_snapshot_list(BlockDriverState *bs, QEMUSnapshotInfo **psn_tab)
sn_info->date_sec = sn->date_sec;
sn_info->date_nsec = sn->date_nsec;
sn_info->vm_clock_nsec = sn->vm_clock_nsec;
+ sn_info->icount = sn->icount;
}
*psn_tab = sn_tab;
return s->nb_snapshots;