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librbd: update in-memory migration snap map after creating snap

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Signed-off-by: Mykola Golub <mgolub@suse.com>
This commit is contained in:
Mykola Golub 2018-07-06 11:56:48 +03:00 committed by Jason Dillaman
parent 57ee7e1491
commit fccaa4838f
1 changed files with 11 additions and 0 deletions
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11
src/librbd/operation/SnapshotCreateRequest.cc
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@ -310,6 +310,17 @@ void SnapshotCreateRequest<I>::update_snap_context() {
image_ctx.snapc.snaps.swap(snaps);
image_ctx.data_ctx.selfmanaged_snap_set_write_ctx(
image_ctx.snapc.seq, image_ctx.snaps);
if (!image_ctx.migration_info.empty()) {
auto it = image_ctx.migration_info.snap_map.find(CEPH_NOSNAP);
assert(it != image_ctx.migration_info.snap_map.end());
assert(!it->second.empty());
if (it->second[0] == CEPH_NOSNAP) {
ldout(cct, 5) << this << " " << __func__
<< ": updating migration snap_map" << dendl;
it->second[0] = m_snap_id;
}
}
}
} // namespace operation