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authorYifan Hong <elsk@google.com>2018-11-26 23:59:09 +0100
committerYifan Hong <elsk@google.com>2018-11-28 00:57:47 +0100
commit49327806062652db999f3f0a7f360edb3047791a (patch)
tree6ab66ac6da9121f2b1d505b428dbc5896684723b
parentMerge changes I7b7cee68,I07d22c0d (diff)
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-rw-r--r--fsck_unshare_blocks.cpp13
-rw-r--r--recovery.cpp11
-rw-r--r--roots.cpp9
-rw-r--r--roots.h2
4 files changed, 17 insertions, 18 deletions
diff --git a/fsck_unshare_blocks.cpp b/fsck_unshare_blocks.cpp
index 684958e38..b653d13ce 100644
--- a/fsck_unshare_blocks.cpp
+++ b/fsck_unshare_blocks.cpp
@@ -40,7 +40,6 @@
static constexpr const char* SYSTEM_E2FSCK_BIN = "/system/bin/e2fsck_static";
static constexpr const char* TMP_E2FSCK_BIN = "/tmp/e2fsck.bin";
-static constexpr const char* SYSTEM_ROOT = "/system";
static bool copy_file(const char* source, const char* dest) {
android::base::unique_fd source_fd(open(source, O_RDONLY));
@@ -121,14 +120,10 @@ bool do_fsck_unshare_blocks() {
std::vector<std::string> partitions = { "/odm", "/oem", "/product", "/vendor" };
// Temporarily mount system so we can copy e2fsck_static.
- bool mounted = false;
- if (volume_for_mount_point(SYSTEM_ROOT) == nullptr) {
- mounted = ensure_path_mounted_at("/", "/mnt/system") != -1;
- partitions.push_back("/");
- } else {
- mounted = ensure_path_mounted_at(SYSTEM_ROOT, "/mnt/system") != -1;
- partitions.push_back(SYSTEM_ROOT);
- }
+ std::string system_root = get_system_root();
+ bool mounted = ensure_path_mounted_at(system_root.c_str(), "/mnt/system");
+ partitions.push_back(system_root);
+
if (!mounted) {
LOG(ERROR) << "Failed to mount system image.";
return false;
diff --git a/recovery.cpp b/recovery.cpp
index e17526a95..7e1fa43a6 100644
--- a/recovery.cpp
+++ b/recovery.cpp
@@ -78,7 +78,6 @@ static constexpr const char* CACHE_ROOT = "/cache";
static constexpr const char* DATA_ROOT = "/data";
static constexpr const char* METADATA_ROOT = "/metadata";
static constexpr const char* SDCARD_ROOT = "/sdcard";
-static constexpr const char* SYSTEM_ROOT = "/system";
// We define RECOVERY_API_VERSION in Android.mk, which will be picked up by build system and packed
// into target_files.zip. Assert the version defined in code and in Android.mk are consistent.
@@ -837,14 +836,8 @@ static Device::BuiltinAction prompt_and_wait(Device* device, int status) {
}
case Device::MOUNT_SYSTEM:
// the system partition is mounted at /mnt/system
- if (volume_for_mount_point(SYSTEM_ROOT) == nullptr) {
- if (ensure_path_mounted_at("/", "/mnt/system") != -1) {
- ui->Print("Mounted /system.\n");
- }
- } else {
- if (ensure_path_mounted_at(SYSTEM_ROOT, "/mnt/system") != -1) {
- ui->Print("Mounted /system.\n");
- }
+ if (ensure_path_mounted_at(get_system_root().c_str(), "/mnt/system") != -1) {
+ ui->Print("Mounted /system.\n");
}
break;
diff --git a/roots.cpp b/roots.cpp
index dc347848a..e68cb20bc 100644
--- a/roots.cpp
+++ b/roots.cpp
@@ -44,6 +44,7 @@
static struct fstab* fstab = nullptr;
static bool did_map_logical_partitions = false;
+static constexpr const char* SYSTEM_ROOT = "/system";
extern struct selabel_handle* sehandle;
@@ -412,3 +413,11 @@ int setup_install_mounts() {
bool logical_partitions_mapped() {
return did_map_logical_partitions;
}
+
+std::string get_system_root() {
+ if (volume_for_mount_point(SYSTEM_ROOT) == nullptr) {
+ return "/";
+ } else {
+ return SYSTEM_ROOT;
+ }
+}
diff --git a/roots.h b/roots.h
index 702af8de5..314eb5f26 100644
--- a/roots.h
+++ b/roots.h
@@ -55,4 +55,6 @@ int setup_install_mounts();
bool logical_partitions_mapped();
+std::string get_system_root();
+
#endif // RECOVERY_ROOTS_H_