diff options
| author | Karel Zak | 2009-10-14 02:17:27 +0200 |
|---|---|---|
| committer | Karel Zak | 2009-10-14 02:51:30 +0200 |
| commit | 2d71a929413c7afc25a836560243881b81e922c4 (patch) | |
| tree | d1183200766ccd3891fa2cd6d1f2a2e241358da6 /misc-utils/blkid.8 | |
| parent | lib: import whole ismounted.c code from e2fsprogs (diff) | |
| download | kernel-qcow2-util-linux-2d71a929413c7afc25a836560243881b81e922c4.tar.gz kernel-qcow2-util-linux-2d71a929413c7afc25a836560243881b81e922c4.tar.xz kernel-qcow2-util-linux-2d71a929413c7afc25a836560243881b81e922c4.zip | |
blkid: add pretty output, document -L incompatibility with e2fsprogs
... sad story, I have temporary disabled pretty-output code
in very early version of blkid.c in u-l-ng. (It was also in
time when pretty-output was very new feature in e2fsprogs.)
Unfortunately, the -L option (shortcut to "-o list") in u-l-ng version
was reused for for any other functionality few months later.... this
stupid thing was released in u-l-ng 2.15 and 2.16 without any negative
feedback from users.
It means the blkid from u-l-ng is not backwardly compatible with
the original version from e2fsprogs. The -L option has a different
meaning there.
I'm sorry about this bug...
This patch:
* enable pretty-output (-o line)
* add a note about incompatibility between u-l-ng and e2fsprogs
to blkid.8 man page
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'misc-utils/blkid.8')
| -rw-r--r-- | misc-utils/blkid.8 | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/misc-utils/blkid.8 b/misc-utils/blkid.8 index 9fc83937a..9419da0f8 100644 --- a/misc-utils/blkid.8 +++ b/misc-utils/blkid.8 @@ -96,7 +96,13 @@ Look up one device that uses the label (same as: -l -o device -t LABEL=<label>). This look up method is able to reliable use /dev/disk/by-label udev symlinks (depends on setting in /etc/blkid.conf). Avoid to use the symlinks directly. It is not reliable to use the symlinks without verification. -The \fB-L\fR option is portable and works on systems with and without udev. +The \fB-L\fR option works on systems with and without udev. + +Unfortunately, the original +.B blkid(8) +from e2fsprogs use the \fB-L\fR option as a +synonym to the \fB-o list\fR option. For better portability use "-l -o device +-t LABEL=<label>" and "-o list" in your scripts rather than -L option. .TP .B \-u " list " Restrict probing functions to defined (comma separated) list of "usage" types. @@ -130,10 +136,12 @@ print all tags (the default) print the value of the tags .TP .B list -print the devices in a user-friendly format +print the devices in a user-friendly format, this output format is unsupported +for low-level probing (\fB-p\fR) .TP .B device -print the device name only +print the device name only, this output format is always enabled for \fB-L\fR +and \fB-U\fR options .TP .B udev vol_id compatible mode; usable in udev rules |