diff options
Diffstat (limited to 'vendor/github.com/moby/sys/mountinfo/mountinfo.go')
| -rw-r--r-- | vendor/github.com/moby/sys/mountinfo/mountinfo.go | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/vendor/github.com/moby/sys/mountinfo/mountinfo.go b/vendor/github.com/moby/sys/mountinfo/mountinfo.go index 136b14167..1987fcbb2 100644 --- a/vendor/github.com/moby/sys/mountinfo/mountinfo.go +++ b/vendor/github.com/moby/sys/mountinfo/mountinfo.go @@ -1,6 +1,9 @@ package mountinfo -import "io" +import ( + "io" + "os" +) // GetMounts retrieves a list of mounts for the current running process, // with an optional filter applied (use nil for no filter). @@ -16,15 +19,17 @@ func GetMountsFromReader(reader io.Reader, f FilterFunc) ([]*Info, error) { return parseInfoFile(reader, f) } -// Mounted determines if a specified mountpoint has been mounted. -// On Linux it looks at /proc/self/mountinfo. -func Mounted(mountpoint string) (bool, error) { - entries, err := GetMounts(SingleEntryFilter(mountpoint)) - if err != nil { - return false, err +// Mounted determines if a specified path is a mount point. +// +// The argument must be an absolute path, with all symlinks resolved, and clean. +// One way to ensure it is to process the path using filepath.Abs followed by +// filepath.EvalSymlinks before calling this function. +func Mounted(path string) (bool, error) { + // root is always mounted + if path == string(os.PathSeparator) { + return true, nil } - - return len(entries) > 0, nil + return mounted(path) } // Info reveals information about a particular mounted filesystem. This |