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@ -61,15 +61,15 @@ func getDevFromImageAndPool(pool, image string) (string, bool) {
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// Search /sys/bus for rbd device that matches given pool and image.
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func getRbdDevFromImageAndPool(pool string, image string) (string, bool) {
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// /sys/bus/rbd/devices/X/name and /sys/bus/rbd/devices/X/pool
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sys_path := "/sys/bus/rbd/devices"
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if dirs, err := ioutil.ReadDir(sys_path); err == nil {
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sysPath := "/sys/bus/rbd/devices"
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if dirs, err := ioutil.ReadDir(sysPath); err == nil {
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for _, f := range dirs {
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// Pool and name format:
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// see rbd_pool_show() and rbd_name_show() at
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// https://github.com/torvalds/linux/blob/master/drivers/block/rbd.c
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name := f.Name()
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// First match pool, then match name.
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poolFile := path.Join(sys_path, name, "pool")
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poolFile := path.Join(sysPath, name, "pool")
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poolBytes, err := ioutil.ReadFile(poolFile)
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if err != nil {
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glog.V(4).Infof("error reading %s: %v", poolFile, err)
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@ -79,7 +79,7 @@ func getRbdDevFromImageAndPool(pool string, image string) (string, bool) {
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glog.V(4).Infof("device %s is not %q: %q", name, pool, string(poolBytes))
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continue
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}
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imgFile := path.Join(sys_path, name, "name")
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imgFile := path.Join(sysPath, name, "name")
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imgBytes, err := ioutil.ReadFile(imgFile)
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if err != nil {
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glog.V(4).Infof("error reading %s: %v", imgFile, err)
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