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Update GetMountRefs comments

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This commit is contained in:
Yecheng Fu 2019-10-27 15:55:07 +08:00
parent 9832418870
commit c0788c1f21
2 changed files with 4 additions and 3 deletions
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2
pkg/util/mount/mount.go
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@ -48,7 +48,7 @@ type Interface interface {
// most notably linux bind mounts and symbolic link.
IsLikelyNotMountPoint(file string) (bool, error)
// GetMountRefs finds all mount references to the path, returns a
// list of paths. Path could be a mountpoint path, device or a normal
// list of paths. Path could be a mountpoint or a normal
// directory (for bind mount).
GetMountRefs(pathname string) ([]string, error)
}

5
pkg/util/mount/mount_linux.go
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@ -238,7 +238,7 @@ func (mounter *Mounter) IsLikelyNotMountPoint(file string) (bool, error) {
}
// GetMountRefs finds all mount references to pathname, returns a
// list of paths. Path could be a mountpoint path, device or a normal
// list of paths. Path could be a mountpoint or a normal
// directory (for bind mount).
func (mounter *Mounter) GetMountRefs(pathname string) ([]string, error) {
pathExists, pathErr := PathExists(pathname)
@ -441,7 +441,8 @@ func parseProcMounts(content []byte) ([]MountPoint, error) {
// SearchMountPoints finds all mount references to the source, returns a list of
// mountpoints.
// This function assumes source cannot be device.
// The source can be a mount point or a normal directory (bind mount). We
// didn't support device because there is no use case by now.
// Some filesystems may share a source name, e.g. tmpfs. And for bind mounting,
// it's possible to mount a non-root path of a filesystem, so we need to use
// root path and major:minor to represent mount source uniquely.