mirror of https://github.com/docker/cli.git
64 lines
1.7 KiB
Go
64 lines
1.7 KiB
Go
package mountinfo
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import (
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"os"
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)
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// GetMounts retrieves a list of mounts for the current running process,
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// with an optional filter applied (use nil for no filter).
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func GetMounts(f FilterFunc) ([]*Info, error) {
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return parseMountTable(f)
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}
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// Mounted determines if a specified path is a mount point.
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//
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// The argument must be an absolute path, with all symlinks resolved, and clean.
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// One way to ensure it is to process the path using filepath.Abs followed by
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// filepath.EvalSymlinks before calling this function.
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func Mounted(path string) (bool, error) {
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// root is always mounted
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if path == string(os.PathSeparator) {
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return true, nil
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}
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return mounted(path)
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}
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// Info reveals information about a particular mounted filesystem. This
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// struct is populated from the content in the /proc/<pid>/mountinfo file.
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type Info struct {
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// ID is a unique identifier of the mount (may be reused after umount).
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ID int
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// Parent indicates the ID of the mount parent (or of self for the top of the
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// mount tree).
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Parent int
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// Major indicates one half of the device ID which identifies the device class.
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Major int
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// Minor indicates one half of the device ID which identifies a specific
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// instance of device.
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Minor int
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// Root of the mount within the filesystem.
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Root string
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// Mountpoint indicates the mount point relative to the process's root.
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Mountpoint string
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// Options represents mount-specific options.
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Options string
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// Optional represents optional fields.
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Optional string
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// FSType indicates the type of filesystem, such as EXT3.
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FSType string
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// Source indicates filesystem specific information or "none".
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Source string
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// VFSOptions represents per super block options.
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VFSOptions string
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}
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