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Commit 27139799 authored by Yifan Hong's avatar Yifan Hong
Browse files

libsnapshot: Don't accidentally delete snapshot when collapsing 

Test: libsnapshot_test
Change-Id: Ie84546f90f7f186bda88f19f7d29ad437ce97aa8
parent a9ffef27

fs_mgr/libsnapshot/snapshot.cpp

+1 −1
Original line number Diff line number Diff line
@@ -947,7 +947,7 @@ bool SnapshotManager::CollapseSnapshotDevice(const std::string& name, 
    // flushed remaining I/O. We could in theory replace with dm-zero (or

    // re-use the table above), but for now it's better to know why this

    // would fail.

    if (!dm.DeleteDeviceIfExists(dm_name)) {

    if (dm_name != name && !dm.DeleteDeviceIfExists(dm_name)) {

        LOG(ERROR) << "Unable to delete snapshot device " << dm_name << ", COW cannot be "

                   << "reclaimed until after reboot.";

        return false;