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-rw-r--r--fs/ext2/super.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index 900e19cf9ef6..3a71cea68420 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -192,6 +192,9 @@ static void init_once(void *foo)
init_rwsem(&ei->xattr_sem);
#endif
mutex_init(&ei->truncate_mutex);
+#ifdef CONFIG_FS_DAX
+ init_rwsem(&ei->dax_sem);
+#endif
inode_init_once(&ei->vfs_inode);
}