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Merge pull request #10197 from vbatts/vbatts-dm_cookie_support

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devicemapper: API for cookie support
This commit is contained in:
Michael Crosby 2015-01-27 11:44:03 -08:00
commit c81fb7fa4a
2 changed files with 12 additions and 0 deletions
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7
pkg/devicemapper/devmapper.go
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@ -339,6 +339,13 @@ func UdevSetSyncSupport(enable bool) bool {
return UdevSyncSupported()
}
// CookieSupported returns whether the version of device-mapper supports the
// use of cookie's in the tasks.
// This is largely a lower level call that other functions use.
func CookieSupported() bool {
return DmCookieSupported() != 0
}
// Useful helper for cleanup
func RemoveDevice(name string) error {
log.Debugf("[devmapper] RemoveDevice START(%s)", name)

5
pkg/devicemapper/devmapper_wrapper.go
View file

@ -110,6 +110,7 @@ var (
DmUdevWait = dmUdevWaitFct
DmUdevSetSyncSupport = dmUdevSetSyncSupportFct
DmUdevGetSyncSupport = dmUdevGetSyncSupportFct
DmCookieSupported = dmCookieSupportedFct
LogWithErrnoInit = logWithErrnoInitFct
)
@ -246,6 +247,10 @@ func dmUdevWaitFct(cookie uint) int {
return int(C.dm_udev_wait(C.uint32_t(cookie)))
}
func dmCookieSupportedFct() int {
return int(C.dm_cookie_supported())
}
func dmLogInitVerboseFct(level int) {
C.dm_log_init_verbose(C.int(level))
}