diff --git a/CleanSpec.mk b/CleanSpec.mk
index 5b5eff4..304ce4e 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -60,3 +60,4 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/lib64/hw/gatekeeper.$(TARGET_DEVICE).so)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/root/vendor)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/root/init.rc)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/root/root)
diff --git a/adb/services.cpp b/adb/services.cpp
index ca34556..aff7012 100644
--- a/adb/services.cpp
+++ b/adb/services.cpp
@@ -58,6 +58,7 @@
 #include "transport.h"
 
 struct stinfo {
+    const char* service_name;
     void (*func)(int fd, void *cookie);
     int fd;
     void *cookie;
@@ -65,7 +66,7 @@
 
 static void service_bootstrap_func(void* x) {
     stinfo* sti = reinterpret_cast<stinfo*>(x);
-    adb_thread_setname(android::base::StringPrintf("service %d", sti->fd));
+    adb_thread_setname(android::base::StringPrintf("%s svc %d", sti->service_name, sti->fd));
     sti->func(sti->fd, sti->cookie);
     free(sti);
 }
@@ -160,8 +161,7 @@
     return true;
 }
 
-void reboot_service(int fd, void* arg)
-{
+void reboot_service(int fd, void* arg) {
     if (reboot_service_impl(fd, static_cast<const char*>(arg))) {
         // Don't return early. Give the reboot command time to take effect
         // to avoid messing up scripts which do "adb reboot && adb wait-for-device"
@@ -236,8 +236,7 @@
 
 #endif  // !ADB_HOST
 
-static int create_service_thread(void (*func)(int, void *), void *cookie)
-{
+static int create_service_thread(const char* service_name, void (*func)(int, void*), void* cookie) {
     int s[2];
     if (adb_socketpair(s)) {
         printf("cannot create service socket pair\n");
@@ -258,6 +257,7 @@
     if (sti == nullptr) {
         fatal("cannot allocate stinfo");
     }
+    sti->service_name = service_name;
     sti->func = func;
     sti->cookie = cookie;
     sti->fd = s[1];
@@ -281,7 +281,7 @@
     } else if(!strncmp("dev:", name, 4)) {
         ret = unix_open(name + 4, O_RDWR | O_CLOEXEC);
     } else if(!strncmp(name, "framebuffer:", 12)) {
-        ret = create_service_thread(framebuffer_service, 0);
+        ret = create_service_thread("fb", framebuffer_service, nullptr);
     } else if (!strncmp(name, "jdwp:", 5)) {
         ret = create_jdwp_connection_fd(atoi(name+5));
     } else if(!strncmp(name, "shell", 5)) {
@@ -289,17 +289,17 @@
     } else if(!strncmp(name, "exec:", 5)) {
         ret = StartSubprocess(name + 5, nullptr, SubprocessType::kRaw, SubprocessProtocol::kNone);
     } else if(!strncmp(name, "sync:", 5)) {
-        ret = create_service_thread(file_sync_service, NULL);
+        ret = create_service_thread("sync", file_sync_service, nullptr);
     } else if(!strncmp(name, "remount:", 8)) {
-        ret = create_service_thread(remount_service, NULL);
+        ret = create_service_thread("remount", remount_service, nullptr);
     } else if(!strncmp(name, "reboot:", 7)) {
         void* arg = strdup(name + 7);
         if (arg == NULL) return -1;
-        ret = create_service_thread(reboot_service, arg);
+        ret = create_service_thread("reboot", reboot_service, arg);
     } else if(!strncmp(name, "root:", 5)) {
-        ret = create_service_thread(restart_root_service, NULL);
+        ret = create_service_thread("root", restart_root_service, nullptr);
     } else if(!strncmp(name, "unroot:", 7)) {
-        ret = create_service_thread(restart_unroot_service, NULL);
+        ret = create_service_thread("unroot", restart_unroot_service, nullptr);
     } else if(!strncmp(name, "backup:", 7)) {
         ret = StartSubprocess(android::base::StringPrintf("/system/bin/bu backup %s",
                                                           (name + 7)).c_str(),
@@ -312,17 +312,20 @@
         if (sscanf(name + 6, "%d", &port) != 1) {
             return -1;
         }
-        ret = create_service_thread(restart_tcp_service, (void *) (uintptr_t) port);
+        ret = create_service_thread("tcp", restart_tcp_service, reinterpret_cast<void*>(port));
     } else if(!strncmp(name, "usb:", 4)) {
-        ret = create_service_thread(restart_usb_service, NULL);
+        ret = create_service_thread("usb", restart_usb_service, nullptr);
     } else if (!strncmp(name, "reverse:", 8)) {
         ret = reverse_service(name + 8);
     } else if(!strncmp(name, "disable-verity:", 15)) {
-        ret = create_service_thread(set_verity_enabled_state_service, (void*)0);
+        ret = create_service_thread("verity-on", set_verity_enabled_state_service,
+                                    reinterpret_cast<void*>(0));
     } else if(!strncmp(name, "enable-verity:", 15)) {
-        ret = create_service_thread(set_verity_enabled_state_service, (void*)1);
+        ret = create_service_thread("verity-off", set_verity_enabled_state_service,
+                                    reinterpret_cast<void*>(1));
     } else if (!strcmp(name, "reconnect")) {
-        ret = create_service_thread(reconnect_service, const_cast<atransport*>(transport));
+        ret = create_service_thread("reconnect", reconnect_service,
+                                    const_cast<atransport*>(transport));
 #endif
     }
     if (ret >= 0) {
@@ -484,14 +487,14 @@
             return nullptr;
         }
 
-        int fd = create_service_thread(wait_for_state, sinfo.get());
+        int fd = create_service_thread("wait", wait_for_state, sinfo.get());
         if (fd != -1) {
             sinfo.release();
         }
         return create_local_socket(fd);
     } else if (!strncmp(name, "connect:", 8)) {
         char* host = strdup(name + 8);
-        int fd = create_service_thread(connect_service, host);
+        int fd = create_service_thread("connect", connect_service, host);
         if (fd == -1) {
             free(host);
         }
diff --git a/adb/shell_service.cpp b/adb/shell_service.cpp
index ee821f8..5b48da0 100644
--- a/adb/shell_service.cpp
+++ b/adb/shell_service.cpp
@@ -435,8 +435,7 @@
 void Subprocess::ThreadHandler(void* userdata) {
     Subprocess* subprocess = reinterpret_cast<Subprocess*>(userdata);
 
-    adb_thread_setname(android::base::StringPrintf(
-            "shell srvc %d", subprocess->pid()));
+    adb_thread_setname(android::base::StringPrintf("shell svc %d", subprocess->pid()));
 
     D("passing data streams for PID %d", subprocess->pid());
     subprocess->PassDataStreams();
diff --git a/fs_mgr/fs_mgr_fstab.cpp b/fs_mgr/fs_mgr_fstab.cpp
index 31c8803..bce245c 100644
--- a/fs_mgr/fs_mgr_fstab.cpp
+++ b/fs_mgr/fs_mgr_fstab.cpp
@@ -779,47 +779,21 @@
 }
 
 /*
- * Returns the 1st matching fstab_rec that follows the start_rec.
- * start_rec is the result of a previous search or NULL.
+ * Returns the fstab_rec* whose mount_point is path.
+ * Returns nullptr if not found.
  */
-struct fstab_rec* fs_mgr_get_entry_for_mount_point_after(struct fstab_rec* start_rec,
-                                                         struct fstab* fstab,
-                                                         const std::string& path) {
-    int i;
+struct fstab_rec* fs_mgr_get_entry_for_mount_point(struct fstab* fstab, const std::string& path) {
     if (!fstab) {
         return nullptr;
     }
-
-    if (start_rec) {
-        for (i = 0; i < fstab->num_entries; i++) {
-            if (&fstab->recs[i] == start_rec) {
-                i++;
-                break;
-            }
-        }
-    } else {
-        i = 0;
-    }
-
-    for (; i < fstab->num_entries; i++) {
+    for (int i = 0; i < fstab->num_entries; i++) {
         if (fstab->recs[i].mount_point && path == fstab->recs[i].mount_point) {
             return &fstab->recs[i];
         }
     }
-
     return nullptr;
 }
 
-/*
- * Returns the 1st matching mount point.
- * There might be more. To look for others, use fs_mgr_get_entry_for_mount_point_after()
- * and give the fstab_rec from the previous search.
- */
-struct fstab_rec *fs_mgr_get_entry_for_mount_point(struct fstab *fstab, const char *path)
-{
-    return fs_mgr_get_entry_for_mount_point_after(NULL, fstab, path);
-}
-
 int fs_mgr_is_voldmanaged(const struct fstab_rec *fstab)
 {
     return fstab->fs_mgr_flags & MF_VOLDMANAGED;
diff --git a/fs_mgr/include_fstab/fstab/fstab.h b/fs_mgr/include_fstab/fstab/fstab.h
index 8a18ec0..ef51724 100644
--- a/fs_mgr/include_fstab/fstab/fstab.h
+++ b/fs_mgr/include_fstab/fstab/fstab.h
@@ -70,7 +70,6 @@
 
 int fs_mgr_add_entry(struct fstab* fstab, const char* mount_point, const char* fs_type,
                      const char* blk_device);
-struct fstab_rec* fs_mgr_get_entry_for_mount_point(struct fstab* fstab, const char* path);
 int fs_mgr_is_voldmanaged(const struct fstab_rec* fstab);
 int fs_mgr_is_nonremovable(const struct fstab_rec* fstab);
 int fs_mgr_is_verified(const struct fstab_rec* fstab);
@@ -95,6 +94,7 @@
 // TODO: move this into separate header files under include/fs_mgr/*.h
 #ifdef __cplusplus
 std::string fs_mgr_get_slot_suffix();
+struct fstab_rec* fs_mgr_get_entry_for_mount_point(struct fstab* fstab, const std::string& path);
 #endif
 
 #endif /* __CORE_FS_TAB_H */
diff --git a/libcutils/fs_config.cpp b/libcutils/fs_config.cpp
index 1185040..bab095e 100644
--- a/libcutils/fs_config.cpp
+++ b/libcutils/fs_config.cpp
@@ -80,7 +80,6 @@
     { 00775, AID_ROOT,         AID_ROOT,         0, "data/preloads" },
     { 00771, AID_SYSTEM,       AID_SYSTEM,       0, "data" },
     { 00755, AID_ROOT,         AID_SYSTEM,       0, "mnt" },
-    { 00755, AID_ROOT,         AID_ROOT,         0, "root" },
     { 00750, AID_ROOT,         AID_SHELL,        0, "sbin" },
     { 00777, AID_ROOT,         AID_ROOT,         0, "sdcard" },
     { 00751, AID_ROOT,         AID_SDCARD_R,     0, "storage" },
diff --git a/libsparse/Android.bp b/libsparse/Android.bp
index 6ec0991..b894656 100644
--- a/libsparse/Android.bp
+++ b/libsparse/Android.bp
@@ -15,19 +15,11 @@
     cflags: ["-Werror"],
     local_include_dirs: ["include"],
     export_include_dirs: ["include"],
+    shared_libs: [
+        "libz",
+        "libbase",
+    ],
     target: {
-        host: {
-            shared_libs: [
-                "libz-host",
-                "libbase",
-            ],
-        },
-        android: {
-            shared_libs: [
-                "libz",
-                "libbase",
-            ],
-        },
         windows: {
             enabled: true,
         },
diff --git a/libziparchive/Android.bp b/libziparchive/Android.bp
index f395c74..e3faee3 100644
--- a/libziparchive/Android.bp
+++ b/libziparchive/Android.bp
@@ -69,11 +69,11 @@
     shared_libs: [
         "liblog",
         "libbase",
+        "libz",
     ],
     target: {
         android: {
             shared_libs: [
-                "libz",
                 "libutils",
             ],
         },
@@ -81,18 +81,8 @@
             static_libs: ["libutils"],
         },
         linux_bionic: {
-            static_libs: ["libz"],
             enabled: true,
         },
-        linux: {
-            shared_libs: ["libz-host"],
-        },
-        darwin: {
-            shared_libs: ["libz-host"],
-        },
-        windows: {
-            shared_libs: ["libz-host"],
-        },
     },
 }
 
@@ -105,7 +95,7 @@
         "libziparchive_defaults",
         "libziparchive_flags",
     ],
-    shared_libs: ["libz-host"],
+    shared_libs: ["libz"],
     static_libs: ["libutils"],
 }
 
diff --git a/rootdir/Android.mk b/rootdir/Android.mk
index 48a46c6..e199ed4 100644
--- a/rootdir/Android.mk
+++ b/rootdir/Android.mk
@@ -127,7 +127,7 @@
 #
 # create some directories (some are mount points) and symlinks
 LOCAL_POST_INSTALL_CMD := mkdir -p $(addprefix $(TARGET_ROOT_OUT)/, \
-    sbin dev proc sys system data oem acct config storage mnt root $(BOARD_ROOT_EXTRA_FOLDERS)); \
+    sbin dev proc sys system data oem acct config storage mnt $(BOARD_ROOT_EXTRA_FOLDERS)); \
     ln -sf /system/etc $(TARGET_ROOT_OUT)/etc; \
     ln -sf /data/user_de/0/com.android.shell/files/bugreports $(TARGET_ROOT_OUT)/bugreports; \
     ln -sf /sys/kernel/debug $(TARGET_ROOT_OUT)/d; \