ext4: document the "abort" mount option

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

diff --git a/Documentation/filesystems/ext4.txt b/Documentation/filesystems/ext4.txt
index 608fdba97b72c5c95dec4d28cbb8364132a8a90d..7be02ac5fa36d7f4c07856fe9cf89391e08986f7 100644 (file)
--- a/Documentation/filesystems/ext4.txt
+++ b/Documentation/filesystems/ext4.txt
@@ -235,6 +235,10 @@ minixdf                    Make 'df' act like Minix.
 
 debug                  Extra debugging information is sent to syslog.
 
+abort                  Simulate the effects of calling ext4_abort() for
+                       debugging purposes.  This is normally used while
+                       remounting a filesystem which is already mounted.
+
 errors=remount-ro      Remount the filesystem read-only on an error.
 errors=continue                Keep going on a filesystem error.
 errors=panic           Panic and halt the machine if an error occurs.