ChangeLog, e2fsck.8.in:
e2fsck.8.in: Add explanation that you can use mke2fs -n -b blocksize
to printout alternate superblock locations.
diff --git a/e2fsck/e2fsck.8.in b/e2fsck/e2fsck.8.in
index c76ff03..378c908 100644
--- a/e2fsck/e2fsck.8.in
+++ b/e2fsck/e2fsck.8.in
@@ -54,8 +54,20 @@
corrupted. The location of the backup superblock is dependent on the
filesystem's blocksize. For filesystems with 1k blocksizes, a backup
superblock can be found at block 8193; for filesystems with 2k
-blocksizes, at block 16384; and for 4k blocksizes, at block 32768. If
-an alternative superblock is specified and
+blocksizes, at block 16384; and for 4k blocksizes, at block 32768.
+.IP
+Additional backup superblocks can be determined by using the
+.B mke2fs
+program using the
+.B \-n
+option to print out where the superblocks were created. The
+.B \-b
+option to
+.BR mke2fs ,
+which specifies blocksize of the filesystem must be specified in order
+for the superblock locations that are printed out to be accurate.
+.IP
+If an alternative superblock is specified and
the filesystem is not opened read-only, e2fsck will make sure that the
primary superblock is updated appropriately upon completion of the
filesystem check.