diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2017-06-05 14:39:03 +0200 |
|---|---|---|
| committer | Fam Zheng <famz@redhat.com> | 2017-06-16 07:55:00 +0800 |
| commit | 2119882c7eb7e2c612b24fc0c8d86f5887d6f1c3 (patch) | |
| tree | 2c41a8155a0b8f1746f654fe374546d4e6860f5e /migration/block.c | |
| parent | 3783fa3dd3d0104e9780bde073f66f1e37f1ce1c (diff) | |
block: introduce dirty_bitmap_mutex
It protects only the list of dirty bitmaps; in the next patch we will
also protect their content.
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20170605123908.18777-15-pbonzini@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Diffstat (limited to 'migration/block.c')
| -rw-r--r-- | migration/block.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/migration/block.c b/migration/block.c index 3aae5a375e..9e2092681e 100644 --- a/migration/block.c +++ b/migration/block.c @@ -341,10 +341,8 @@ static int set_dirty_tracking(void) int ret; QSIMPLEQ_FOREACH(bmds, &block_mig_state.bmds_list, entry) { - aio_context_acquire(blk_get_aio_context(bmds->blk)); bmds->dirty_bitmap = bdrv_create_dirty_bitmap(blk_bs(bmds->blk), BLOCK_SIZE, NULL, NULL); - aio_context_release(blk_get_aio_context(bmds->blk)); if (!bmds->dirty_bitmap) { ret = -errno; goto fail; @@ -355,9 +353,7 @@ static int set_dirty_tracking(void) fail: QSIMPLEQ_FOREACH(bmds, &block_mig_state.bmds_list, entry) { if (bmds->dirty_bitmap) { - aio_context_acquire(blk_get_aio_context(bmds->blk)); bdrv_release_dirty_bitmap(blk_bs(bmds->blk), bmds->dirty_bitmap); - aio_context_release(blk_get_aio_context(bmds->blk)); } } return ret; @@ -370,9 +366,7 @@ static void unset_dirty_tracking(void) BlkMigDevState *bmds; QSIMPLEQ_FOREACH(bmds, &block_mig_state.bmds_list, entry) { - aio_context_acquire(blk_get_aio_context(bmds->blk)); bdrv_release_dirty_bitmap(blk_bs(bmds->blk), bmds->dirty_bitmap); - aio_context_release(blk_get_aio_context(bmds->blk)); } } |