X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/378393581903b274cb7a4d18e0d978071a6b592d..13fec9890cf095cc781fdf7b8917cb03bf32dd4c:/bsd/vfs/vfs_journal.h

diff --git a/bsd/vfs/vfs_journal.h b/bsd/vfs/vfs_journal.h
index cf87d421e..b03209b9a 100644
--- a/bsd/vfs/vfs_journal.h
+++ b/bsd/vfs/vfs_journal.h
@@ -202,6 +202,19 @@ journal  *journal_open(struct vnode *jvp,
 					   void        (*flush)(void *arg),
 					   void         *arg);
 
+/*
+ * Test whether the journal is clean or not.  This is intended
+ * to be used when you're mounting read-only.  If the journal
+ * is not clean for some reason then you should not mount the
+ * volume as your data structures may be in an unknown state.
+ */
+int journal_is_clean(struct vnode *jvp,
+		     off_t         offset,
+		     off_t         journal_size,
+		     struct vnode *fsvp,
+                     size_t        min_fs_block_size);
+
+
 /*
  * Call journal_close() just before your file system is unmounted.
  * It flushes any outstanding transactions and makes sure the