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moby--moby/pkg/devicemapper/devmapper_wrapper_deferred_remove.go
Vivek Goyal 4986ce7cfb devicemapper: Create a method to get device info with deferred remove field
Deferred reove functionality was added to library later. So in old version
of library it did not report deferred_remove field. 

Create a new function which also gets deferred_remove field and it will be
called only on newer version of library. 

Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
2015-04-21 18:14:59 -04:00

33 lines
942 B
Go

// +build linux,!libdm_no_deferred_remove
package devicemapper
/*
#cgo LDFLAGS: -L. -ldevmapper
#include <libdevmapper.h>
*/
import "C"
const LibraryDeferredRemovalSupport = true
func dmTaskDeferredRemoveFct(task *CDmTask) int {
return int(C.dm_task_deferred_remove((*C.struct_dm_task)(task)))
}
func dmTaskGetInfoWithDeferredFct(task *CDmTask, info *Info) int {
Cinfo := C.struct_dm_info{}
defer func() {
info.Exists = int(Cinfo.exists)
info.Suspended = int(Cinfo.suspended)
info.LiveTable = int(Cinfo.live_table)
info.InactiveTable = int(Cinfo.inactive_table)
info.OpenCount = int32(Cinfo.open_count)
info.EventNr = uint32(Cinfo.event_nr)
info.Major = uint32(Cinfo.major)
info.Minor = uint32(Cinfo.minor)
info.ReadOnly = int(Cinfo.read_only)
info.TargetCount = int32(Cinfo.target_count)
info.DeferredRemove = int(Cinfo.deferred_remove)
}()
return int(C.dm_task_get_info((*C.struct_dm_task)(task), &Cinfo))
}