obj-$(CONFIG_SIGNALFD) += signalfd.o
obj-$(CONFIG_TIMERFD) += timerfd.o
obj-$(CONFIG_EVENTFD) += eventfd.o
+obj-$(CONFIG_USERFAULTFD) += userfaultfd.o
obj-$(CONFIG_AIO) += aio.o
obj-$(CONFIG_FS_DAX) += dax.o
obj-$(CONFIG_FILE_LOCKING) += locks.o
# Do not add any filesystems before this line
obj-$(CONFIG_FSCACHE) += fscache/
obj-$(CONFIG_REISERFS_FS) += reiserfs/
-obj-$(CONFIG_EXT3_FS) += ext3/ # Before ext2 so root fs can be ext3
-obj-$(CONFIG_EXT2_FS) += ext2/
-# We place ext4 after ext2 so plain ext2 root fs's are mounted using ext2
-# unless explicitly requested by rootfstype
obj-$(CONFIG_EXT4_FS) += ext4/
-obj-$(CONFIG_JBD) += jbd/
+# We place ext4 before ext2 so that clean ext3 root fs's do NOT mount using the
+# ext2 driver, which doesn't know about journalling! Explicitly request ext2
+# by giving the rootfstype= parameter.
+obj-$(CONFIG_EXT2_FS) += ext2/
obj-$(CONFIG_JBD2) += jbd2/
obj-$(CONFIG_CRAMFS) += cramfs/
obj-$(CONFIG_SQUASHFS) += squashfs/
obj-$(CONFIG_NILFS2_FS) += nilfs2/
obj-$(CONFIG_BEFS_FS) += befs/
obj-$(CONFIG_HOSTFS) += hostfs/
-obj-$(CONFIG_HPPFS) += hppfs/
obj-$(CONFIG_CACHEFILES) += cachefiles/
obj-$(CONFIG_DEBUG_FS) += debugfs/
obj-$(CONFIG_TRACING) += tracefs/