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authorDavid Anderson <dvander@google.com>2018-10-30 02:48:56 +0100
committerDavid Anderson <dvander@google.com>2018-10-30 21:47:59 +0100
commit2b2f423ef694a03f4fd429b1d3fa221619131df4 (patch)
treeebf4be0805c18d4bb9f450be8bfcd2742e16845b
parentMerge "Add description for the new translation" (diff)
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-rw-r--r--recovery_main.cpp9
-rw-r--r--roots.cpp25
-rw-r--r--roots.h2
3 files changed, 34 insertions, 2 deletions
diff --git a/recovery_main.cpp b/recovery_main.cpp
index 78350944c..19ef4f3d0 100644
--- a/recovery_main.cpp
+++ b/recovery_main.cpp
@@ -478,8 +478,13 @@ int main(int argc, char** argv) {
break;
case Device::ENTER_FASTBOOT:
- LOG(INFO) << "Entering fastboot";
- fastboot = true;
+ if (logical_partitions_mapped()) {
+ ui->Print("Partitions may be mounted - rebooting to enter fastboot.");
+ android::base::SetProperty(ANDROID_RB_PROPERTY, "reboot,fastboot");
+ } else {
+ LOG(INFO) << "Entering fastboot";
+ fastboot = true;
+ }
break;
case Device::ENTER_RECOVERY:
diff --git a/roots.cpp b/roots.cpp
index c29771af6..dc347848a 100644
--- a/roots.cpp
+++ b/roots.cpp
@@ -38,10 +38,12 @@
#include <cryptfs.h>
#include <ext4_utils/wipe.h>
#include <fs_mgr.h>
+#include <fs_mgr_dm_linear.h>
#include "otautil/mounts.h"
static struct fstab* fstab = nullptr;
+static bool did_map_logical_partitions = false;
extern struct selabel_handle* sehandle;
@@ -117,6 +119,25 @@ int ensure_path_mounted_at(const char* path, const char* mount_point) {
mount_point = v->mount_point;
}
+ // If we can't acquire the block device for a logical partition, it likely
+ // was never created. In that case we try to create it.
+ if (fs_mgr_is_logical(v) && !fs_mgr_update_logical_partition(v)) {
+ if (did_map_logical_partitions) {
+ LOG(ERROR) << "Failed to find block device for partition";
+ return -1;
+ }
+ std::string super_name = fs_mgr_get_super_partition_name();
+ if (!android::fs_mgr::CreateLogicalPartitions(super_name)) {
+ LOG(ERROR) << "Failed to create logical partitions";
+ return -1;
+ }
+ did_map_logical_partitions = true;
+ if (!fs_mgr_update_logical_partition(v)) {
+ LOG(ERROR) << "Failed to find block device for partition";
+ return -1;
+ }
+ }
+
const MountedVolume* mv = find_mounted_volume_by_mount_point(mount_point);
if (mv != nullptr) {
// Volume is already mounted.
@@ -387,3 +408,7 @@ int setup_install_mounts() {
}
return 0;
}
+
+bool logical_partitions_mapped() {
+ return did_map_logical_partitions;
+}
diff --git a/roots.h b/roots.h
index 46bb77e02..702af8de5 100644
--- a/roots.h
+++ b/roots.h
@@ -53,4 +53,6 @@ int format_volume(const char* volume, const char* directory);
// mounted (/tmp and /cache) are mounted. Returns 0 on success.
int setup_install_mounts();
+bool logical_partitions_mapped();
+
#endif // RECOVERY_ROOTS_H_