diff --git a/configure b/configure
index 8a3acef89d..277b70f259 100755
--- a/configure
+++ b/configure
@@ -4920,6 +4920,12 @@ if check_include sys/kcov.h ; then
     kcov=yes
 fi
 
+# check for btrfs filesystem support (kernel must be 3.9+)
+btrfs=no
+if check_include linux/btrfs.h ; then
+    btrfs=yes
+fi
+
 # If we're making warnings fatal, apply this to Sphinx runs as well
 sphinx_werror=""
 if test "$werror" = "yes"; then
@@ -6898,6 +6904,9 @@ fi
 if test "$kcov" = "yes" ; then
   echo "CONFIG_KCOV=y" >> $config_host_mak
 fi
+if test "$btrfs" = "yes" ; then
+  echo "CONFIG_BTRFS=y" >> $config_host_mak
+fi
 if test "$inotify" = "yes" ; then
   echo "CONFIG_INOTIFY=y" >> $config_host_mak
 fi
diff --git a/linux-user/ioctls.h b/linux-user/ioctls.h
index e2fc09b5a5..bf89b96d27 100644
--- a/linux-user/ioctls.h
+++ b/linux-user/ioctls.h
@@ -174,6 +174,21 @@
      IOCTL(FS_IOC32_GETVERSION, IOC_R, MK_PTR(TYPE_INT))
      IOCTL(FS_IOC32_SETVERSION, IOC_W, MK_PTR(TYPE_INT))
 
+#ifdef BTRFS_IOC_SUBVOL_CREATE
+     IOCTL(BTRFS_IOC_SUBVOL_CREATE, IOC_W,
+           MK_PTR(MK_STRUCT(STRUCT_btrfs_ioctl_vol_args)))
+#endif
+#ifdef BTRFS_IOC_SUBVOL_GETFLAGS
+     IOCTL(BTRFS_IOC_SUBVOL_GETFLAGS, IOC_R, MK_PTR(TYPE_ULONGLONG))
+#endif
+#ifdef BTRFS_IOC_SUBVOL_SETFLAGS
+     IOCTL(BTRFS_IOC_SUBVOL_SETFLAGS, IOC_W, MK_PTR(TYPE_ULONGLONG))
+#endif
+#ifdef BTRFS_IOC_GET_SUBVOL_INFO
+     IOCTL(BTRFS_IOC_GET_SUBVOL_INFO, IOC_R,
+           MK_PTR(MK_STRUCT(STRUCT_btrfs_ioctl_get_subvol_info_args)))
+#endif
+
 #ifdef CONFIG_USBFS
   /* USB ioctls */
   IOCTL(USBDEVFS_CONTROL, IOC_RW,
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index d14d849a72..93da3b9728 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -112,6 +112,9 @@
 #include <linux/if_alg.h>
 #include <linux/rtc.h>
 #include <sound/asound.h>
+#ifdef CONFIG_BTRFS
+#include <linux/btrfs.h>
+#endif
 #ifdef HAVE_DRM_H
 #include <libdrm/drm.h>
 #include <libdrm/i915_drm.h>
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index 9d07991176..cae79f8492 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -1005,6 +1005,14 @@ struct target_rtc_pll_info {
 #define TARGET_FS_IOC32_GETVERSION TARGET_IOR('v', 1, int)
 #define TARGET_FS_IOC32_SETVERSION TARGET_IOW('v', 2, int)
 
+/* btrfs ioctls */
+#define TARGET_BTRFS_IOC_SUBVOL_CREATE          TARGET_IOWU(BTRFS_IOCTL_MAGIC, 14)
+#define TARGET_BTRFS_IOC_SUBVOL_GETFLAGS        TARGET_IOR(BTRFS_IOCTL_MAGIC, 25,\
+                                                           abi_ullong)
+#define TARGET_BTRFS_IOC_SUBVOL_SETFLAGS        TARGET_IOW(BTRFS_IOCTL_MAGIC, 26,\
+                                                           abi_ullong)
+#define TARGET_BTRFS_IOC_GET_SUBVOL_INFO        TARGET_IORU(BTRFS_IOCTL_MAGIC, 60)
+
 /* usb ioctls */
 #define TARGET_USBDEVFS_CONTROL TARGET_IOWRU('U', 0)
 #define TARGET_USBDEVFS_BULK TARGET_IOWRU('U', 2)
diff --git a/linux-user/syscall_types.h b/linux-user/syscall_types.h
index 12bf3484e2..0ce58d7772 100644
--- a/linux-user/syscall_types.h
+++ b/linux-user/syscall_types.h
@@ -358,6 +358,38 @@ STRUCT(blkpg_partition,
        MK_ARRAY(TYPE_CHAR, BLKPG_DEVNAMELTH), /* devname */
        MK_ARRAY(TYPE_CHAR, BLKPG_VOLNAMELTH)) /* volname */
 
+#ifdef BTRFS_IOC_SUBVOL_CREATE
+STRUCT(btrfs_ioctl_vol_args,
+       TYPE_LONGLONG, /* fd */
+       MK_ARRAY(TYPE_CHAR, BTRFS_PATH_NAME_MAX + 1)) /* name */
+#endif
+
+#ifdef BTRFS_IOC_GET_SUBVOL_INFO
+STRUCT(btrfs_ioctl_timespec,
+       TYPE_ULONGLONG, /* sec */
+       TYPE_INT) /* nsec */
+
+STRUCT(btrfs_ioctl_get_subvol_info_args,
+       TYPE_ULONGLONG, /* treeid */
+       MK_ARRAY(TYPE_CHAR, BTRFS_VOL_NAME_MAX + 1),
+       TYPE_ULONGLONG, /* parentid */
+       TYPE_ULONGLONG, /* dirid */
+       TYPE_ULONGLONG, /* generation */
+       TYPE_ULONGLONG, /* flags */
+       MK_ARRAY(TYPE_CHAR, BTRFS_UUID_SIZE), /* uuid */
+       MK_ARRAY(TYPE_CHAR, BTRFS_UUID_SIZE), /* parent_uuid */
+       MK_ARRAY(TYPE_CHAR, BTRFS_UUID_SIZE), /* received_uuid */
+       TYPE_ULONGLONG, /* ctransid */
+       TYPE_ULONGLONG, /* otransid */
+       TYPE_ULONGLONG, /* stransid */
+       TYPE_ULONGLONG, /* rtransid */
+       MK_STRUCT(STRUCT_btrfs_ioctl_timespec), /* ctime */
+       MK_STRUCT(STRUCT_btrfs_ioctl_timespec), /* otime */
+       MK_STRUCT(STRUCT_btrfs_ioctl_timespec), /* stime */
+       MK_STRUCT(STRUCT_btrfs_ioctl_timespec), /* rtime */
+       MK_ARRAY(TYPE_ULONGLONG, 8)) /* reserved */
+#endif
+
 STRUCT(rtc_time,
        TYPE_INT, /* tm_sec */
        TYPE_INT, /* tm_min */