Update man pages to include ext4 in the synposis, instead of just "ext2/ext3"

The e2fsprogs programs have historically just said that they operate
on ext2 and ext3 file system in their man pages.  Update them to say
that they also operate on ext4 file systems.

Addresses-Launchpad-bug: #381854

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

debugfs/debugfs.8.in

@@ -4,7 +4,7 @@
 .\" 
 .TH DEBUGFS 8 "@E2FSPROGS_MONTH@ @E2FSPROGS_YEAR@" "E2fsprogs version @E2FSPROGS_VERSION@"
 .SH NAME
-debugfs \- ext2/ext3 file system debugger
+debugfs \- ext2/ext3/ext4 file system debugger
 .SH SYNOPSIS
 .B debugfs
 [
@@ -37,10 +37,10 @@ device
 The 
 .B debugfs 
 program is an interactive file system debugger. It can be used to
-examine and change the state of an ext2 file system.
+examine and change the state of an ext2, ext3, or ext4 file system.
 .br
 .I device
-is the special file corresponding to the device containing the ext2
+is the special file corresponding to the device containing the
 file system (e.g /dev/hdXX).
 .SH OPTIONS
 .TP

e2fsck/e2fsck.8.in

@@ -4,7 +4,7 @@
 .\" 
 .TH E2FSCK 8 "@E2FSPROGS_MONTH@ @E2FSPROGS_YEAR@" "E2fsprogs version @E2FSPROGS_VERSION@"
 .SH NAME
-e2fsck \- check a Linux ext2/ext3 file system
+e2fsck \- check a Linux ext2/ext3/ext4 file system
 .SH SYNOPSIS
 .B e2fsck
 [
@@ -37,17 +37,13 @@ e2fsck \- check a Linux ext2/ext3 file system
 .I device
 .SH DESCRIPTION
 .B e2fsck
-is used to check a Linux second extended file system (ext2fs).  
+is used to check the ext2/ext3/ext4 family of file systems.   
-.B E2fsck
+For ext3 and ext4 filesystems that use a journal, if the system has been
-also 
+shut down uncleanly without any errors, normally, after replaying the
-supports ext2 filesystems containing a journal, which are
+committed transactions  in the journal, the file system should be
-also sometimes known as ext3 filesystems, by first applying the journal 
+marked as clean.   Hence, for filesystems that use journalling,
-to the filesystem before continuing with normal 
 .B e2fsck
-processing.  After the journal has been applied, a filesystem will
+will normally replay the journal and exit, unless its superblock
-normally be marked as clean.  Hence, for ext3 filesystems, 
-.B e2fsck
-will normally run the journal and exit, unless its superblock
 indicates that further checking is required.
 .PP
 .I device

misc/chattr.1.in

@@ -1,7 +1,7 @@
 .\" -*- nroff -*-
 .TH CHATTR 1 "@E2FSPROGS_MONTH@ @E2FSPROGS_YEAR@" "E2fsprogs version @E2FSPROGS_VERSION@"
 .SH NAME
-chattr \- change file attributes on a Linux second extended file system
+chattr \- change file attributes on a Linux file system
 .SH SYNOPSIS
 .B chattr
 [
@@ -17,7 +17,7 @@ chattr \- change file attributes on a Linux second extended file system
 .I files...
 .SH DESCRIPTION
 .B chattr
-changes the file attributes on a Linux second extended file system.
+changes the file attributes on a Linux file system.
 .PP
 The format of a symbolic mode is +-=[acdeijstuADST].
 .PP

misc/dumpe2fs.8.in

@@ -4,7 +4,7 @@
 .\" 
 .TH DUMPE2FS 8 "@E2FSPROGS_MONTH@ @E2FSPROGS_YEAR@" "E2fsprogs version @E2FSPROGS_VERSION@"
 .SH NAME
-dumpe2fs \- dump ext2/ext3 filesystem information
+dumpe2fs \- dump ext2/ext3/ext4 filesystem information
 .SH SYNOPSIS
 .B dumpe2fs
 [

misc/e2image.8.in

@@ -4,7 +4,7 @@
 .\" 
 .TH E2IMAGE 8 "@E2FSPROGS_MONTH@ @E2FSPROGS_YEAR@" "E2fsprogs version @E2FSPROGS_VERSION@"
 .SH NAME
-e2image \- Save critical ext2/ext3 filesystem metadata to a file
+e2image \- Save critical ext2/ext3/ext4 filesystem metadata to a file
 .SH SYNOPSIS
 .B e2image
 [
@@ -15,7 +15,7 @@ e2image \- Save critical ext2/ext3 filesystem metadata to a file
 .SH DESCRIPTION
 The
 .B e2image
-program will save critical ext2 or ext3 filesystem metadata located on 
+program will save critical ext2, ext3, or ext4 filesystem metadata located on 
 .I device  
 to a file specified by 
 .IR image-file .

misc/e2label.8.in

@@ -4,7 +4,7 @@
 .\" 
 .TH E2LABEL 8 "@E2FSPROGS_MONTH@ @E2FSPROGS_YEAR@" "E2fsprogs version @E2FSPROGS_VERSION@"
 .SH NAME
-e2label \- Change the label on an ext2/ext3 filesystem
+e2label \- Change the label on an ext2/ext3/ext4 filesystem
 .SH SYNOPSIS
 .B e2label
 .I device
@@ -13,7 +13,8 @@ e2label \- Change the label on an ext2/ext3 filesystem
 ]
 .SH DESCRIPTION
 .B e2label
-will display or change the filesystem label on the ext2 filesystem located on
+will display or change the filesystem label on the ext2, ext3, or ext4 
+filesystem located on
 .I device.  
 .PP
 If the optional argument 

misc/mke2fs.8.in

@@ -4,7 +4,7 @@
 .\"
 .TH MKE2FS 8 "@E2FSPROGS_MONTH@ @E2FSPROGS_YEAR@" "E2fsprogs version @E2FSPROGS_VERSION@"
 .SH NAME
-mke2fs \- create an ext2/ext3 filesystem
+mke2fs \- create an ext2/ext3/ext4 filesystem
 .SH SYNOPSIS
 .B mke2fs
 [
@@ -140,7 +140,8 @@ mke2fs \- create an ext2/ext3 filesystem
 @JDEV@]
 .SH DESCRIPTION
 .B mke2fs
-is used to create an ext2/ext3 filesystem (usually in a disk partition).
+is used to create an ext2, ext3, or ext4 filesystem, usually in a disk
+partition.
 .I device
 is the special file corresponding to the device (e.g
 .IR /dev/hdXX ).

misc/tune2fs.8.in

@@ -4,7 +4,7 @@
 .\"
 .TH TUNE2FS 8 "@E2FSPROGS_MONTH@ @E2FSPROGS_YEAR@" "E2fsprogs version @E2FSPROGS_VERSION@"
 .SH NAME
-tune2fs \- adjust tunable filesystem parameters on ext2/ext3 filesystems
+tune2fs \- adjust tunable filesystem parameters on ext2/ext3/ext4 filesystems
 .SH SYNOPSIS
 .B tune2fs
 [
@@ -88,8 +88,8 @@ device
 .SH DESCRIPTION
 .BI tune2fs
 allows the system administrator to adjust various tunable filesystem 
-parameters on Linux ext2/ext3 filesystems.  The current values of these
+parameters on Linux ext2, ext3, or ext4 filesystems.  The current values 
-options can be displayed by using the
+of these options can be displayed by using the
 .B -l
 option to
 .BR tune2fs (8)

resize/resize2fs.8.in

@@ -4,7 +4,7 @@
 .\" .TH RESIZE2FS 8 "@E2FSPROGS_MONTH@ @E2FSPROGS_YEAR@" "E2fsprogs version @E2FSPROGS_VERSION@"
 .TH RESIZE2FS 8 "@E2FSPROGS_MONTH@ @E2FSPROGS_YEAR@" "E2fsprogs version @E2FSPROGS_VERSION@"
 .SH NAME
-resize2fs \- ext2/ext3 file system resizer
+resize2fs \- ext2/ext3/ext4 file system resizer
 .SH SYNOPSIS
 .B resize2fs
 [
@@ -25,8 +25,8 @@ resize2fs \- ext2/ext3 file system resizer
 .SH DESCRIPTION
 The 
 .B resize2fs 
-program will resize ext2 or ext3 file systems.  It can be used to enlarge or
+program will resize ext2, ext3, or ext4 file systems.  It can be used to
-shrink an unmounted file system located on 
+enlarge or shrink an unmounted file system located on 
 .IR device .
 If the filesystem is mounted, it can be used to expand the size of the
 mounted filesystem, assuming the kernel supports on-line resizing.  (As