docs: update info about env debug variables

Signed-off-by: Karel Zak <kzak@redhat.com>

18 files changed, 67 insertions, 31 deletions

diff --git a/Documentation/howto-debug.txt b/Documentation/howto-debug.txt
index ca7346fbe..6936eb54d 100644
--- a/Documentation/howto-debug.txt
+++ b/Documentation/howto-debug.txt
@@ -51,8 +51,10 @@ higher the debugging level. Search for `DEBUG' from files
 to see what the different bits mean. At the time of writing this the following
 enabled full debug.
 
-	export LIBBLKID_DEBUG=0xffff
-	export LIBMOUNT_DEBUG=0xffff
+	export LIBBLKID_DEBUG=all
+	export LIBMOUNT_DEBUG=all
+	export LIBFDISK_DEBUG=all
+	export LIBSMARTCOLS_DEBUG=all
 
 The libblkid reads by default /etc/blkid.conf which can be overridden by the
 environment variable BLKID_CONF. See manual libblkid/libblkid.3 for details
diff --git a/disk-utils/cfdisk.8 b/disk-utils/cfdisk.8
index 6471de669..0c68af897 100644
--- a/disk-utils/cfdisk.8
+++ b/disk-utils/cfdisk.8
@@ -150,6 +150,14 @@ for more details about colorization configuration.
 .B cfdisk
 does not support color customization with a color-scheme file.
 
+.SH ENVIRONMENT
+.IP LIBFDISK_DEBUG=all
+enables libfdisk debug output.
+.IP LIBBLKID_DEBUG=all
+enables libblkid debug output.
+.IP LIBSMARTCOLS_DEBUG=all
+enables libsmartcols debug output.
+
 .SH "SEE ALSO"
 .BR fdisk (8),
 .BR sfdisk (8),
diff --git a/disk-utils/fdisk.8 b/disk-utils/fdisk.8
index 9ed342e4e..c998e2ca5 100644
--- a/disk-utils/fdisk.8
+++ b/disk-utils/fdisk.8
@@ -304,7 +304,12 @@ The original version was written by
 Andries E. Brouwer, A. V. Le Blanc and others.
 
 .SH ENVIRONMENT
-.IP "Setting LIBFDISK_DEBUG=0xffff enables debug output."
+.IP LIBFDISK_DEBUG=all
+enables libfdisk debug output.
+.IP LIBBLKID_DEBUG=all
+enables libblkid debug output.
+.IP LIBSMARTCOLS_DEBUG=all
+enables libsmartcols debug output.
 
 .SH "SEE ALSO"
 .BR cfdisk (8),
diff --git a/disk-utils/fsck.8 b/disk-utils/fsck.8
index 833fca2aa..531bcf50c 100644
--- a/disk-utils/fsck.8
+++ b/disk-utils/fsck.8
@@ -436,11 +436,11 @@ to override the standard location of the
 file.  It is also useful for developers who are testing
 .BR fsck .
 .TP
-.B LIBBLKID_DEBUG=0xffff
-enables debug output.
+.B LIBBLKID_DEBUG=all
+enables libblkid debug output.
 .TP
-.B LIBMOUNT_DEBUG=0xffff
-enables debug output.
+.B LIBMOUNT_DEBUG=all
+enables lilbmount debug output.
 .SH SEE ALSO
 .na
 .BR fstab (5),
diff --git a/disk-utils/mkswap.8 b/disk-utils/mkswap.8
index b4bb7d677..c110d21ef 100644
--- a/disk-utils/mkswap.8
+++ b/disk-utils/mkswap.8
@@ -134,8 +134,8 @@ Note that a swap file must not contain any holes (so, using
 to create the file is not acceptable).
 
 .SH ENVIRONMENT
-.IP LIBBLKID_DEBUG=0xffff
-enables debug output.
+.IP LIBBLKID_DEBUG=all
+enables libblkid debug output.
 
 .SH "SEE ALSO"
 .BR fdisk (8),
diff --git a/disk-utils/partx.8 b/disk-utils/partx.8
index 5ceb2044e..88eef60b1 100644
--- a/disk-utils/partx.8
+++ b/disk-utils/partx.8
@@ -168,8 +168,8 @@ The original version was written by
 Andries E.\& Brouwer
 .ME .
 .SH ENVIRONMENT
-.IP LIBBLKID_DEBUG=0xffff
-enables debug output.
+.IP LIBBLKID_DEBUG=all
+enables libblkid debug output.
 .SH AVAILABILITY
 The partx command is part of the util-linux package and is available from
 .UR ftp://\:ftp.kernel.org\:/pub\:/linux\:/utils\:/util-linux/
diff --git a/disk-utils/sfdisk.8 b/disk-utils/sfdisk.8
index 029083fc9..e672d39d7 100644
--- a/disk-utils/sfdisk.8
+++ b/disk-utils/sfdisk.8
@@ -344,6 +344,14 @@ sfdisk since version 2.25 does not provide \fB\-\-DOS\fR, \fB\-\-IBM\fR, \fB\-\-
 \fB\-\-unhide\fR, \fB\-\-show\-extended\fR, \fB\-\-cylinders\fR, \fB\-\-heads\fR, \fB\-\-sectors\fR,
 \fB\-\-inside\-outer\fR, \fB\-\-not\-inside\-outer\fR options.
 
+.SH ENVIRONMENT
+.IP LIBFDISK_DEBUG=all
+enables libfdisk debug output.
+.IP LIBBLKID_DEBUG=all
+enables libblkid debug output.
+.IP LIBSMARTCOLS_DEBUG=all
+enables libsmartcols debug output.
+
 .SH "SEE ALSO"
 .BR fdisk (8),
 .BR cfdisk (8),
diff --git a/disk-utils/swaplabel.8 b/disk-utils/swaplabel.8
index 0f83b2db2..2985dfc36 100644
--- a/disk-utils/swaplabel.8
+++ b/disk-utils/swaplabel.8
@@ -59,8 +59,8 @@ must be in the standard 8-4-4-4-12 character format, such as is output by
 .B swaplabel
 was written by Jason Borden <jborden@bluehost.com> and Karel Zak <kzak@redhat.com>.
 .SH ENVIRONMENT
-.IP LIBBLKID_DEBUG=0xffff
-enables debug output.
+.IP LIBBLKID_DEBUG=all
+enables libblkid debug output.
 .SH AVAILABILITY
 The swaplabel command is part of the util-linux package and is available from
 ftp://ftp.kernel.org/pub/linux/utils/util-linux/.
diff --git a/lib/terminal-colors.d.5 b/lib/terminal-colors.d.5
index d19057faf..7b39e613f 100644
--- a/lib/terminal-colors.d.5
+++ b/lib/terminal-colors.d.5
@@ -170,7 +170,8 @@ use:
 .B /etc/terminal-colors.d
 
 .SH ENVIRONMENT
-Setting TERMINAL_COLORS_DEBUG=0xfffff enables debug output.
+.IP TERMINAL_COLORS_DEBUG=all
+enables debug output.
 
 .SH COMPATIBILITY
 The terminal-colors.d functionality is currently supported by all util-linux
diff --git a/misc-utils/blkid.8 b/misc-utils/blkid.8
index a974b8e99..7d1aa5b02 100644
--- a/misc-utils/blkid.8
+++ b/misc-utils/blkid.8
@@ -298,7 +298,7 @@ file.
 was written by Andreas Dilger for libblkid and improved by Theodore Ts'o
 and Karel Zak.
 .SH ENVIRONMENT
-.IP "Setting LIBBLKID_DEBUG=0xffff enables debug output."
+.IP "Setting LIBBLKID_DEBUG=all enables debug output."
 .SH SEE ALSO
 .BR libblkid (3),
 .BR findfs (8),
diff --git a/misc-utils/findfs.8 b/misc-utils/findfs.8
index 32b74b423..385414f75 100644
--- a/misc-utils/findfs.8
+++ b/misc-utils/findfs.8
@@ -72,8 +72,8 @@ and re-written for the util-linux package by
 Karel Zak
 .ME .
 .SH ENVIRONMENT
-.IP LIBBLKID_DEBUG=0xffff
-enables debug output.
+.IP LIBBLKID_DEBUG=all
+enables libblkid debug output.
 .SH SEE ALSO
 .BR blkid (8),
 .BR lsblk (8),
diff --git a/misc-utils/findmnt.8 b/misc-utils/findmnt.8
index a6318ed6e..27121d87f 100644
--- a/misc-utils/findmnt.8
+++ b/misc-utils/findmnt.8
@@ -247,8 +247,10 @@ Monitors remounts to read-only mode on all ext3 filesystems.
 overrides the default location of the fstab file
 .IP LIBMOUNT_MTAB=<path>
 overrides the default location of the mtab file
-.IP LIBMOUNT_DEBUG=0xffff
-enables debug output
+.IP LIBMOUNT_DEBUG=all
+enables libmount debug output
+.IP LIBSMARTCOLS_DEBUG=all
+enables libsmartcols debug output
 .SH AUTHORS
 .nf
 Karel Zak <kzak@redhat.com>
diff --git a/misc-utils/lsblk.8 b/misc-utils/lsblk.8
index d11a79009..8c9740c11 100644
--- a/misc-utils/lsblk.8
+++ b/misc-utils/lsblk.8
@@ -142,7 +142,12 @@ Milan Broz <mbroz@redhat.com>
 Karel Zak <kzak@redhat.com>
 .fi
 .SH ENVIRONMENT
-.IP "Setting LIBMOUNT_DEBUG=0xffff enables debug output."
+.IP LIBBLKID_DEBUG=all
+enables libblkid debug output.
+.IP LIBMOUNT_DEBUG=all
+enables libmount debug output.
+.IP LIBSMARTCOLS_DEBUG=all
+enables libsmartcols debug output.
 .SH SEE ALSO
 .BR findmnt (8),
 .BR blkid (8),
diff --git a/misc-utils/wipefs.8 b/misc-utils/wipefs.8
index 207b67501..13cadb456 100644
--- a/misc-utils/wipefs.8
+++ b/misc-utils/wipefs.8
@@ -98,7 +98,8 @@ Restores ext2 signature from the backup file  ~/wipefs-sdb-0x00000438.bak.
 .SH AUTHOR
 Karel Zak <kzak@redhat.com>
 .SH ENVIRONMENT
-.IP "Setting LIBBLKID_DEBUG=0xffff enables debug output."
+.IP LIBBLKID_DEBUG=all
+enables libblkid debug output.
 .SH SEE ALSO
 .BR blkid (8),
 .BR findfs (8)
diff --git a/sys-utils/mount.8 b/sys-utils/mount.8
index 926f6e7a7..931fad16b 100644
--- a/sys-utils/mount.8
+++ b/sys-utils/mount.8
@@ -3118,11 +3118,13 @@ temporary file
 a list of filesystem types to try
 .SH ENVIRONMENT
 .IP LIBMOUNT_FSTAB=<path>
-overrides the default location of the fstab file
+overrides the default location of the fstab file (ignored for suid)
 .IP LIBMOUNT_MTAB=<path>
-overrides the default location of the mtab file
-.IP LIBMOUNT_DEBUG=0xffff
-enables debug output
+overrides the default location of the mtab file (ignored for suid)
+.IP LIBMOUNT_DEBUG=all
+enables libmount debug output
+.IP LIBBLKID_DEBUG=all
+enables libblkid debug output
 .SH "SEE ALSO"
 .BR mount (2),
 .BR umount (2),
diff --git a/sys-utils/mountpoint.1 b/sys-utils/mountpoint.1
index 078ba2506..c410f8167 100644
--- a/sys-utils/mountpoint.1
+++ b/sys-utils/mountpoint.1
@@ -43,8 +43,8 @@ Zero if the directory or file is a mountpoint, non-zero if not.
 .PP
 Karel Zak <kzak@redhat.com>
 .SH ENVIRONMENT
-.IP LIBMOUNT_DEBUG=0xffff
-enables debug output.
+.IP LIBMOUNT_DEBUG=all
+enables libmount debug output.
 .SH NOTES
 .PP
 The util-linux
diff --git a/sys-utils/swapon.8 b/sys-utils/swapon.8
index cf66b01ca..84047ae16 100644
--- a/sys-utils/swapon.8
+++ b/sys-utils/swapon.8
@@ -233,6 +233,8 @@ made.
 .SH ENVIRONMENT
 .IP LIBMOUNT_DEBUG=all
 enables libmount debug output.
+.IP LIBBLKID_DEBUG=all
+enables libblkid debug output.
 
 .SH SEE ALSO
 .BR swapon (2),
diff --git a/sys-utils/umount.8 b/sys-utils/umount.8
index 8a640f44d..b0bfa9a84 100644
--- a/sys-utils/umount.8
+++ b/sys-utils/umount.8
@@ -188,11 +188,11 @@ table of mounted filesystems
 table of known filesystems
 .SH ENVIRONMENT
 .IP LIBMOUNT_FSTAB=<path>
-overrides the default location of the fstab file
+overrides the default location of the fstab file (ignored for suid)
 .IP LIBMOUNT_MTAB=<path>
-overrides the default location of the mtab file
-.IP LIBMOUNT_DEBUG=0xffff
-enables debug output
+overrides the default location of the mtab file (ignored for suid)
+.IP LIBMOUNT_DEBUG=all
+enables libmount debug output
 .SH "SEE ALSO"
 .BR umount (2),
 .BR mount (8),