diff --git a/roots.cpp b/roots.cpp
index 4936947..fe49f2b 100644
--- a/roots.cpp
+++ b/roots.cpp
@@ -26,6 +26,8 @@
 #include <ctype.h>
 #include <fcntl.h>
 
+#include <android-base/logging.h>
+
 #include <fs_mgr.h>
 #include "common.h"
 #include "make_ext4fs.h"
@@ -44,13 +46,13 @@
 
     fstab = fs_mgr_read_fstab("/etc/recovery.fstab");
     if (!fstab) {
-        LOGE("failed to read /etc/recovery.fstab\n");
+        LOG(ERROR) << "failed to read /etc/recovery.fstab";
         return;
     }
 
     ret = fs_mgr_add_entry(fstab, "/tmp", "ramdisk", "ramdisk");
     if (ret < 0 ) {
-        LOGE("failed to add /tmp entry to fstab\n");
+        LOG(ERROR) << "failed to add /tmp entry to fstab";
         fs_mgr_free_fstab(fstab);
         fstab = NULL;
         return;
@@ -74,7 +76,7 @@
 int ensure_path_mounted_at(const char* path, const char* mount_point) {
     Volume* v = volume_for_path(path);
     if (v == NULL) {
-        LOGE("unknown volume for path [%s]\n", path);
+        LOG(ERROR) << "unknown volume for path [" << path << "]";
         return -1;
     }
     if (strcmp(v->fs_type, "ramdisk") == 0) {
@@ -83,7 +85,7 @@
     }
 
     if (!scan_mounted_volumes()) {
-        LOGE("failed to scan mounted volumes\n");
+        LOG(ERROR) << "failed to scan mounted volumes";
         return -1;
     }
 
@@ -104,25 +106,25 @@
                strcmp(v->fs_type, "vfat") == 0) {
         int result = mount(v->blk_device, mount_point, v->fs_type, v->flags, v->fs_options);
         if (result == -1 && fs_mgr_is_formattable(v)) {
-            LOGE("failed to mount %s (%s), formatting ...\n",
-                    mount_point, strerror(errno));
+            LOG(ERROR) << "failed to mount " << mount_point << " (" << strerror(errno)
+                       << ") , formatting.....";
             bool crypt_footer = fs_mgr_is_encryptable(v) && !strcmp(v->key_loc, "footer");
             if (fs_mgr_do_format(v, crypt_footer) == 0) {
                 result = mount(v->blk_device, mount_point, v->fs_type, v->flags, v->fs_options);
             } else {
-                LOGE("failed to format %s (%s)\n", mount_point, strerror(errno));
+                PLOG(ERROR) << "failed to format " << mount_point;
                 return -1;
             }
         }
 
         if (result == -1) {
-            LOGE("failed to mount %s (%s)\n", mount_point, strerror(errno));
+            PLOG(ERROR) << "failed to mount " << mount_point;
             return -1;
         }
         return 0;
     }
 
-    LOGE("unknown fs_type \"%s\" for %s\n", v->fs_type, mount_point);
+    LOG(ERROR) << "unknown fs_type \"" << v->fs_type << "\" for " << mount_point;
     return -1;
 }
 
@@ -134,7 +136,7 @@
 int ensure_path_unmounted(const char* path) {
     Volume* v = volume_for_path(path);
     if (v == NULL) {
-        LOGE("unknown volume for path [%s]\n", path);
+        LOG(ERROR) << "unknown volume for path [" << path << "]";
         return -1;
     }
     if (strcmp(v->fs_type, "ramdisk") == 0) {
@@ -143,7 +145,7 @@
     }
 
     if (!scan_mounted_volumes()) {
-        LOGE("failed to scan mounted volumes\n");
+        LOG(ERROR) << "failed to scan mounted volumes";
         return -1;
     }
 
@@ -165,7 +167,7 @@
     }
     waitpid(child, &status, 0);
     if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) {
-        LOGE("%s failed with status %d\n", path, WEXITSTATUS(status));
+        LOG(ERROR) << path << " failed with status " << WEXITSTATUS(status);
     }
     return WEXITSTATUS(status);
 }
@@ -173,21 +175,21 @@
 int format_volume(const char* volume, const char* directory) {
     Volume* v = volume_for_path(volume);
     if (v == NULL) {
-        LOGE("unknown volume \"%s\"\n", volume);
+        LOG(ERROR) << "unknown volume \"" << volume << "\"";
         return -1;
     }
     if (strcmp(v->fs_type, "ramdisk") == 0) {
         // you can't format the ramdisk.
-        LOGE("can't format_volume \"%s\"", volume);
+        LOG(ERROR) << "can't format_volume \"" << volume << "\"";
         return -1;
     }
     if (strcmp(v->mount_point, volume) != 0) {
-        LOGE("can't give path \"%s\" to format_volume\n", volume);
+        LOG(ERROR) << "can't give path \"" << volume << "\" to format_volume";
         return -1;
     }
 
     if (ensure_path_unmounted(volume) != 0) {
-        LOGE("format_volume failed to unmount \"%s\"\n", v->mount_point);
+        LOG(ERROR) << "format_volume failed to unmount \"" << v->mount_point << "\"";
         return -1;
     }
 
@@ -195,10 +197,10 @@
         // if there's a key_loc that looks like a path, it should be a
         // block device for storing encryption metadata.  wipe it too.
         if (v->key_loc != NULL && v->key_loc[0] == '/') {
-            LOGI("wiping %s\n", v->key_loc);
+            LOG(INFO) << "wiping " << v->key_loc;
             int fd = open(v->key_loc, O_WRONLY | O_CREAT, 0644);
             if (fd < 0) {
-                LOGE("format_volume: failed to open %s\n", v->key_loc);
+                LOG(ERROR) << "format_volume: failed to open " << v->key_loc;
                 return -1;
             }
             wipe_block_device(fd, get_file_size(fd));
@@ -216,16 +218,19 @@
             result = make_ext4fs_directory(v->blk_device, length, volume, sehandle, directory);
         } else {   /* Has to be f2fs because we checked earlier. */
             if (v->key_loc != NULL && strcmp(v->key_loc, "footer") == 0 && length < 0) {
-                LOGE("format_volume: crypt footer + negative length (%zd) not supported on %s\n", length, v->fs_type);
+                LOG(ERROR) << "format_volume: crypt footer + negative length (" << length
+                           << ") not supported on " << v->fs_type;
                 return -1;
             }
             if (length < 0) {
-                LOGE("format_volume: negative length (%zd) not supported on %s\n", length, v->fs_type);
+                LOG(ERROR) << "format_volume: negative length (" << length
+                           << ") not supported on " << v->fs_type;
                 return -1;
             }
             char *num_sectors;
             if (asprintf(&num_sectors, "%zd", length / 512) <= 0) {
-                LOGE("format_volume: failed to create %s command for %s\n", v->fs_type, v->blk_device);
+                LOG(ERROR) << "format_volume: failed to create " << v->fs_type
+                           << " command for " << v->blk_device;
                 return -1;
             }
             const char *f2fs_path = "/sbin/mkfs.f2fs";
@@ -235,13 +240,13 @@
             free(num_sectors);
         }
         if (result != 0) {
-            LOGE("format_volume: make %s failed on %s with %d(%s)\n", v->fs_type, v->blk_device, result, strerror(errno));
+            PLOG(ERROR) << "format_volume: make " << v->fs_type << " failed on " << v->blk_device;
             return -1;
         }
         return 0;
     }
 
-    LOGE("format_volume: fs_type \"%s\" unsupported\n", v->fs_type);
+    LOG(ERROR) << "format_volume: fs_type \"" << v->fs_type << "\" unsupported";
     return -1;
 }
 
@@ -251,7 +256,7 @@
 
 int setup_install_mounts() {
     if (fstab == NULL) {
-        LOGE("can't set up install mounts: no fstab loaded\n");
+        LOG(ERROR) << "can't set up install mounts: no fstab loaded";
         return -1;
     }
     for (int i = 0; i < fstab->num_entries; ++i) {
@@ -260,13 +265,13 @@
         if (strcmp(v->mount_point, "/tmp") == 0 ||
             strcmp(v->mount_point, "/cache") == 0) {
             if (ensure_path_mounted(v->mount_point) != 0) {
-                LOGE("failed to mount %s\n", v->mount_point);
+                LOG(ERROR) << "failed to mount " << v->mount_point;
                 return -1;
             }
 
         } else {
             if (ensure_path_unmounted(v->mount_point) != 0) {
-                LOGE("failed to unmount %s\n", v->mount_point);
+                LOG(ERROR) << "failed to unmount " << v->mount_point;
                 return -1;
             }
         }