From: Karel Zak <kzak@redhat.com>
Date: Thu, 3 Feb 2011 11:34:34 +0000 (+0100)
Subject: blkid: add note about PART_ENTRY_ tags to blkid.8
X-Git-Tag: v2.19~43
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=c38b4ebb0ee560ecc4958d253c08ede3b07f3c5f;p=thirdparty%2Futil-linux.git

blkid: add note about PART_ENTRY_ tags to blkid.8

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

diff --git a/misc-utils/blkid.8 b/misc-utils/blkid.8
index ac72bf69d7..746ed39ee5 100644
--- a/misc-utils/blkid.8
+++ b/misc-utils/blkid.8
@@ -160,7 +160,12 @@ print the device name only, this output format is always enabled for \fB-L\fR
 and \fB-U\fR options
 .TP
 .B udev
-print key="value" pairs for easy import into the udev environment
+print key="value" pairs for easy import into the udev environment. The keys are
+prefixed by ID_FS_ or ID_PART_ prefixes.
+
+The udev output returns ID_FS_AMBIVALENT tag if more superblocks are detected,
+and ID_PART_ENTRY_* tags are always returned for all partitions including empty
+partitions.
 .TP
 .B export
 print key=value pairs for easy import into the environment.  This output format
@@ -173,6 +178,9 @@ used together with \fB-i\fR option.
 .TP
 .BI \-p
 Switch to low-level superblock probing mode (bypass cache).
+
+Note that low-level probing also returns information about partition table type
+(PTTYPE tag) and partitions (PART_ENTRY_* tags).
 .TP
 .BI \-s " tag"
 For each (specified) device, show only the tags that match