udevd: fix cleanup of /dev/.udev/uevent_seqnum

[elogind.git] / NEWS

diff --git a/NEWS b/NEWS
index aec8bb330b6016241d280c5de9835e967ecb18f1..69c6beff2d12e438c5c58c002bef61f03474cc94 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -3,8 +3,8 @@ udev 133
 
 The strings of the parsed rules, which are kept in memory, no longer
 contain duplicate entries, or duplicate tails of strings. This reduces
-the total size of a huge distro rule set to 0.08 MB, compared to the
-1.2MB of udev version 130.
+the total in-memory size of a huge distro rule set to 0.08 MB, compared
+to the 1.2MB of udev version 130.
 
 The export of DEVTYPE=disk/partition got removed from the default
 rules. This value is available from the kernel.
@@ -12,7 +12,20 @@ The pnp shell script modprobe hack is removed from the default rules.
 ACPI devices have proper modalias support and take care of the same
 functionality.
 Installations which support old kernels, but install current default
-udev rules may need to add that to the compat rules file.
+udev rules may want to add that to the compat rules file.
+
+Libvolume_id now always probes for all known filesystems, and does not
+stop at the first match. Some filesystems are marked as "exclusive probe",
+and if any other filesytem type matches at the same time, libvolume_id
+will by default not return any probing result. This is intended to help
+with conflicting left-over signatures from earlier file system formats.
+That way, we no longer depend on the probe-order in case of competing
+signatures. In some setups the kernel allows to mount a volume with just
+the old filesystem signature still in place. This may damage the new
+filesystem and cause data-loss, just by mounting it. Because volume_id
+can not decide which one the correct signature is, the wrong signatures
+need to be removed manually from the volume, or the volume needs to be
+reformatted, to enable filesystem detection and possible auto-mounting.
 
 udev 132
 ========