xfs: fix panic_mask documentation

This bit of the docs didn't quite reflect reality.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

diff --git a/Documentation/filesystems/xfs.txt b/Documentation/filesystems/xfs.txt
index 5be51fd..2e56845 100644 (file)
--- a/Documentation/filesystems/xfs.txt
+++ b/Documentation/filesystems/xfs.txt
@@ -287,9 +287,9 @@ The following sysctls are available for the XFS filesystem:
                XFS_ERRLEVEL_LOW:       1
                XFS_ERRLEVEL_HIGH:      5
 
-  fs.xfs.panic_mask            (Min: 0  Default: 0  Max: 127)
+  fs.xfs.panic_mask            (Min: 0  Default: 0  Max: 255)
        Causes certain error conditions to call BUG(). Value is a bitmask;
-       AND together the tags which represent errors which should cause panics:
+       OR together the tags which represent errors which should cause panics:
 
                XFS_NO_PTAG                     0
                XFS_PTAG_IFLUSH                 0x00000001
@@ -299,6 +299,7 @@ The following sysctls are available for the XFS filesystem:
                XFS_PTAG_SHUTDOWN_CORRUPT       0x00000010
                XFS_PTAG_SHUTDOWN_IOERROR       0x00000020
                XFS_PTAG_SHUTDOWN_LOGERROR      0x00000040
+               XFS_PTAG_FSBLOCK_ZERO           0x00000080
 
        This option is intended for debugging only.