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-rw-r--r--etc/udev/udev.rules.examples4
-rw-r--r--udev.823
2 files changed, 18 insertions, 9 deletions
diff --git a/etc/udev/udev.rules.examples b/etc/udev/udev.rules.examples
index 0d619e37e6..a464b6ba57 100644
--- a/etc/udev/udev.rules.examples
+++ b/etc/udev/udev.rules.examples
@@ -51,6 +51,10 @@ KERNEL="dm-[0-9]*", PROGRAM="/sbin/devmap_name %M %m", NAME="%k", SYMLINK="%c"
# DRI devices always go into a subdirectory (as per the LSB spec)
KERNEL="card*", NAME="dri/card%n"
+# create all 15 partitions of a USB flash card reader
+# note the trailing spaces in the attribute, use udevinfo(8) to examine your device
+BUS="scsi", SYSFS{model}="CF/MD ", NAME{all_partitions}="compactflash"
+
# alsa devices
KERNEL="controlC[0-9]*", NAME="snd/%k"
KERNEL="hw[CD0-9]*", NAME="snd/%k"
diff --git a/udev.8 b/udev.8
index 21ec908b82..9eeff96d48 100644
--- a/udev.8
+++ b/udev.8
@@ -151,16 +151,15 @@ file.
Every line in the rules file defines the mapping between device attributes
and the device file name. One ore more keys are specified to match a rule
with the current device. If all keys are matching, the rule will be applied
-and the name is used for the device node. One or more optional symlinks
-targeting the node may be specified.
+and the name is used for the device node.
.br
If no matching rule is found, the default kernel device name is used.
.P
-The line format is:
+Every rule consists of a list a comma separated fields:
.sp
-.I key,[key,...] name [, symlink]
+.IR "key " ,[ "key " ,...] " name " [, " symlink" ]
.sp
-where keys are:
+where possible fields are:
.TP
.B BUS
Match the bus type of the device.
@@ -196,13 +195,19 @@ Match the returned string of the last
call. This key may used in any following rule after a
.B PROGRAM
call.
-.P
-The
+.TP
.B NAME
-field given with the attribute
+The name of the node to be created. If the name field is omitted or its
+value is empty, the device will be ignored and no node will be created.
+.br
+If given with the attribute
.BR NAME{ all_partitions }
-will create all 15 partitions of a blockdevice.
+it will create all 15 partitions of a blockdevice.
This may be useful for removable media devices.
+.TP
+.B SYMLINK
+The name of a symlink targeting the node. Multiple symlinks may be
+specified by separating the names by the space character.
.P
.RB "The " NAME " ," SYMLINK " and " PROGRAM
fields support simple printf-like string substitution: