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Change DEFAULT_UDEV_SYNC to 1 so udev_sync is used even without any config.

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This should be set by default! Normally we have "activation/udev_sync = 1"
in lvm.conf (example.conf.in). But if we use lvm2 without any config file
(or without a definition within '--config' option) the DEFAULT_UDEV_SYNC
is used instead. Together with verify_udev_operations=0 (when we rely on
udev fully), this can cause races as the node could be missing when needed.

(See also https://bugzilla.redhat.com/show_bug.cgi?id=723144)
This commit is contained in:
Peter Rajnoha 2011-08-02 10:49:57 +00:00
parent 3c614ef1c1
commit c212019f3a
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 2.02.87 -
===============================
Change DEFAULT_UDEV_SYNC to 1 so udev_sync is used even without any config.
Add systemd unit file to provide lvm2 monitoring.
Compare also file size to detect changed config file.

2
lib/config/defaults.h
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@ -77,7 +77,7 @@
#define DEFAULT_LABELSECTOR UINT64_C(1)
#define DEFAULT_READ_AHEAD "auto"
#define DEFAULT_UDEV_RULES 1
#define DEFAULT_UDEV_SYNC 0
#define DEFAULT_UDEV_SYNC 1
#define DEFAULT_VERIFY_UDEV_OPERATIONS 0
#define DEFAULT_ACTIVATION_CHECKS 0
#define DEFAULT_EXTENT_SIZE 4096 /* In KB */