Re-design of the original gocryptfs code to work as a library.
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% STATFS(1) % github.com/rfjakob % Sep 2019

NAME

statfs - dump the statfs(2) information for PATH to console in JSON format.

SYNOPSIS

statfs PATH

DESCRIPTION

The statfs(2) system call returns information about a mounted filesystem in a statfs_t structure. This tool dumps this information in JSON format. It is developed as part of gocryptfs and written in Go.

The statfs_t structure is architecture-dependent. On amd64 it looks like this:

type Statfs_t struct {
	Type   int64
	Bsize  int64
	Blocks uint64
	Bfree  uint64
	Bavail uint64
	Files  uint64
	Ffree  uint64
	Fsid   struct {
		Val [2]int32
	}
	Namelen int64
	Frsize  int64
	Flags   int64
	Spare   [4]int64
}

See the statfs(2) man page for the meaning of these fields, and note that the field names here are acc. to the Go golang.org/x/sys/unix naming convention, and slightly different than in C.

EXAMPLES

Get the statfs(2) information for /tmp:

$ statfs /tmp
{
	"Type": 16914836,
	"Bsize": 4096,
	"Blocks": 3067428,
	"Bfree": 3067411,
	"Bavail": 3067411,
	"Files": 3067428,
	"Ffree": 3067381,
	"Fsid": {
		"Val": [
			0,
			0
		]
	},
	"Namelen": 255,
	"Frsize": 4096,
	"Flags": 38,
	"Spare": [
		0,
		0,
		0,
		0
	]
}

SEE ALSO

statfs(2) gocryptfs(1)