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authorPeter Maydell <peter.maydell@linaro.org>2014-05-28 15:22:40 +0100
committerPeter Maydell <peter.maydell@linaro.org>2014-05-28 15:22:40 +0100
commit3ee933c9d4869891a5614fba4815a3857dc3ef8f (patch)
treeab2a3c5fac9f46379737f18872b5d728f8df2343 /block-migration.c
parent052367ba8573809957f1abd288f79fbbda05a284 (diff)
parentfbab9ccbdbb4d8a18abf07b6dc05b3b4a2164cd0 (diff)
downloadfocaccia-qemu-3ee933c9d4869891a5614fba4815a3857dc3ef8f.tar.gz
focaccia-qemu-3ee933c9d4869891a5614fba4815a3857dc3ef8f.zip
Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging
Block pull request

# gpg: Signature made Wed 28 May 2014 13:31:15 BST using RSA key ID 81AB73C8
# gpg: Can't check signature: public key not found

* remotes/stefanha/tags/block-pull-request: (33 commits)
  block/sheepdog: Don't use qerror_report()
  block/sheepdog: Fix silent sd_open(), sd_create() failures
  block/sheepdog: Propagate errors to open and create methods
  block/sheepdog: Propagate errors through find_vdi_name()
  block/sheepdog: Propagate errors through do_sd_create()
  block/sheepdog: Propagate errors through sd_prealloc()
  block/sheepdog: Propagate errors through get_sheep_fd()
  block/sheepdog: Propagate errors through connect_to_sdog()
  block/vvfat: Propagate errors through init_directories()
  block/vvfat: Propagate errors through enable_write_target()
  block/ssh: Propagate errors to open and create methods
  block/ssh: Propagate errors through connect_to_ssh()
  block/ssh: Propagate errors through authenticate()
  block/ssh: Propagate errors through check_host_key()
  block/ssh: Drop superfluous libssh2_session_last_errno() calls
  block/rbd: Propagate errors to open and create methods
  qemu-nbd: Don't use qerror_report()
  blockdev: Don't use qerror_report() in do_drive_del()
  blockdev: Don't use qerror_report_err() in drive_init()
  docs: Define refcount_bits value
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'block-migration.c')
-rw-r--r--block-migration.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/block-migration.c b/block-migration.c
index 56951e09ae..16562709c8 100644
--- a/block-migration.c
+++ b/block-migration.c
@@ -59,6 +59,7 @@ typedef struct BlkMigDevState {
     unsigned long *aio_bitmap;
     int64_t completed_sectors;
     BdrvDirtyBitmap *dirty_bitmap;
+    Error *blocker;
 } BlkMigDevState;
 
 typedef struct BlkMigBlock {
@@ -361,7 +362,8 @@ static void init_blk_migration_it(void *opaque, BlockDriverState *bs)
         bmds->completed_sectors = 0;
         bmds->shared_base = block_mig_state.shared_base;
         alloc_aio_bitmap(bmds);
-        bdrv_set_in_use(bs, 1);
+        error_setg(&bmds->blocker, "block device is in use by migration");
+        bdrv_op_block_all(bs, bmds->blocker);
         bdrv_ref(bs);
 
         block_mig_state.total_sector_sum += sectors;
@@ -599,7 +601,8 @@ static void blk_mig_cleanup(void)
     blk_mig_lock();
     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);
+        bdrv_op_unblock_all(bmds->bs, bmds->blocker);
+        error_free(bmds->blocker);
         bdrv_unref(bmds->bs);
         g_free(bmds->aio_bitmap);
         g_free(bmds);