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udev: fix lvmetad rules to not ignore loop device configuration

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If loop device is first configured on systems where /dev/loop-control
is used to dynamically create the loop device itself, there's an
ADD+CHANGE even generated. But next time the existing /dev/loop[0-9]*
is reused, there's only a CHANGE event since the device representing
it is already present in kernel (so no ADD event in this case).

We can't ignore this CHANGE event for loop devices! This is a regression
caused by 756bcabbfe297688ba240a880bc2b55265ad33f0. We already had
a similar problem with MD devices which was fixed by
2ac217d408470dcecb69b83d9cbf7a254747fa5b (but that one was
only an intra-release fix).
This commit is contained in:
Peter Rajnoha 2013-08-16 15:45:00 +02:00
parent f1dc4d3d81
commit cac49725c9
2 changed files with 2 additions and 1 deletions
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1
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.02.101 - Version 2.02.101 -
=================================== ===================================
Fix ignored lvmetad update on loop device configuration (2.02.99).
Use LVM_PATH instead of hardcoded value in lvm2 activation systemd generator. Use LVM_PATH instead of hardcoded value in lvm2 activation systemd generator.
Refresh existing VG before autoactivation (event retrigger/device reappeared). Refresh existing VG before autoactivation (event retrigger/device reappeared).
Fix vgck to notice on-disk corruption even if lvmetad is used. Fix vgck to notice on-disk corruption even if lvmetad is used.

2
udev/69-dm-lvm-metad.rules.in
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@ -21,7 +21,7 @@ SUBSYSTEM!="block", GOTO="lvm_end"
ENV{ID_FS_TYPE}!="LVM2_member|LVM1_member", GOTO="lvm_end" ENV{ID_FS_TYPE}!="LVM2_member|LVM1_member", GOTO="lvm_end"
ACTION=="remove", GOTO="lvm_scan" ACTION=="remove", GOTO="lvm_scan"
ACTION=="change", KERNEL=="md[0-9]*", GOTO="lvm_scan" ACTION=="change", KERNEL=="md[0-9]*|loop[0-9]*", GOTO="lvm_scan"
# If the PV is not a dm device, scan only after device addition (ADD event) # If the PV is not a dm device, scan only after device addition (ADD event)
KERNEL!="dm-[0-9]*", ACTION!="add", GOTO="lvm_end" KERNEL!="dm-[0-9]*", ACTION!="add", GOTO="lvm_end"