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authorMarcelo Tosatti <mtosatti@redhat.com>2011-01-26 12:12:35 -0200
committerKevin Wolf <kwolf@redhat.com>2011-02-07 12:51:19 +0100
commit8591675f44929a9e4b5d3a5fd702a4b6d41c7903 (patch)
tree1ad3ac6b6d162ea31f952922e1e4f4b7dce74725 /block-migration.c
parentdb593f2565dc12442d6bac9e8eaefa027dfcada9 (diff)
downloadqemu-arm-8591675f44929a9e4b5d3a5fd702a4b6d41c7903.tar.gz
block: enable in_use flag
Set block device in use during block migration, disallow drive_del and bdrv_truncate for in use devices. Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block-migration.c')
-rw-r--r--block-migration.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/block-migration.c b/block-migration.c
index 323e1e2bcd..8218bac09c 100644
--- a/block-migration.c
+++ b/block-migration.c
@@ -301,6 +301,7 @@ static void init_blk_migration_it(void *opaque, BlockDriverState *bs)
bmds->shared_base = block_mig_state.shared_base;
alloc_aio_bitmap(bmds);
drive_get_ref(drive_get_by_blockdev(bs));
+ bdrv_set_in_use(bs, 1);
block_mig_state.total_sector_sum += sectors;
@@ -539,6 +540,7 @@ static void blk_mig_cleanup(Monitor *mon)
while ((bmds = QSIMPLEQ_FIRST(&block_mig_state.bmds_list)) != NULL) {
QSIMPLEQ_REMOVE_HEAD(&block_mig_state.bmds_list, entry);
+ bdrv_set_in_use(bmds->bs, 0);
drive_put_ref(drive_get_by_blockdev(bmds->bs));
qemu_free(bmds->aio_bitmap);
qemu_free(bmds);