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authorKarel Zak2011-02-03 12:34:34 +0100
committerKarel Zak2011-02-03 12:34:34 +0100
commitc38b4ebb0ee560ecc4958d253c08ede3b07f3c5f (patch)
treee53206af0950f7a7d2c687a6df5623da33c00dfa /misc-utils/blkid.8
parentblkid: don't return PART_ENTRY_* if partition is empty (diff)
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blkid: add note about PART_ENTRY_ tags to blkid.8
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'misc-utils/blkid.8')
-rw-r--r--misc-utils/blkid.810
1 files changed, 9 insertions, 1 deletions
diff --git a/misc-utils/blkid.8 b/misc-utils/blkid.8
index ac72bf69d..746ed39ee 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