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Merge pull request #82031 from codenrhoden/mount-comments

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Additional mount comments
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Kubernetes Prow Robot 2019-11-13 21:45:34 -08:00 committed by GitHub
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1 changed files with 11 additions and 4 deletions
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15
pkg/util/mount/mount.go
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@ -47,11 +47,18 @@ type Interface interface {
// is not a mountpoint.
// It should return ErrNotExist when the directory does not exist.
// IsLikelyNotMountPoint does NOT properly detect all mountpoint types
// most notably linux bind mounts and symbolic link.
// most notably linux bind mounts and symbolic link. For callers that do not
// care about such situations, this is a faster alternative to calling List()
// and scanning that output.
IsLikelyNotMountPoint(file string) (bool, error)
// GetMountRefs finds all mount references to the path, returns a
// list of paths. Path could be a mountpoint or a normal
// directory (for bind mount).
// GetMountRefs finds all mount references to pathname, returning a slice of
// paths. Pathname can be a mountpoint path or a normal directory
// (for bind mount). On Linux, pathname is excluded from the slice.
// For example, if /dev/sdc was mounted at /path/a and /path/b,
// GetMountRefs("/path/a") would return ["/path/b"]
// GetMountRefs("/path/b") would return ["/path/a"]
// On Windows there is no way to query all mount points; as long as pathname is
// a valid mount, it will be returned.
GetMountRefs(pathname string) ([]string, error)
}