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devicemapper: define the fallback flag

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DM_UDEV_DISABLE_LIBRARY_FALLBACK is disabled by most applications today
when using device-mapper, and ensuring that device-mapper is in sync
with udev. This flag instructs devicemapper to not fallback to creating
the device nodes itself. In the case of udev sync not being supported,
devicemapper will attempt to create the devices in a timely manner,
regardless of udev.

Signed-off-by: Vincent Batts <vbatts@redhat.com>
Upstream-commit: dbb642b7fbdf42d3b401d610403ba58ebbde38d7
Component: engine
This commit is contained in:
Vincent Batts
2015-01-19 15:52:39 -05:00
parent 63795bba13
commit 2622e003cc
1 changed files with 1 additions and 0 deletions
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1
components/engine/pkg/devicemapper/devmapper_wrapper.go
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@ -86,6 +86,7 @@ const (
DmUdevDisableSubsystemRulesFlag = C.DM_UDEV_DISABLE_SUBSYSTEM_RULES_FLAG
DmUdevDisableDiskRulesFlag = C.DM_UDEV_DISABLE_DISK_RULES_FLAG
DmUdevDisableOtherRulesFlag = C.DM_UDEV_DISABLE_OTHER_RULES_FLAG
DmUdevDisableLibraryFallback = C.DM_UDEV_DISABLE_LIBRARY_FALLBACK
)
var (