diff options
Diffstat (limited to 'vendor/github.com/moby/sys/mountinfo')
| -rw-r--r-- | vendor/github.com/moby/sys/mountinfo/mountinfo.go | 33 | ||||
| -rw-r--r-- | vendor/github.com/moby/sys/mountinfo/mountinfo_filters.go | 11 | ||||
| -rw-r--r-- | vendor/github.com/moby/sys/mountinfo/mountinfo_linux.go | 5 |
3 files changed, 28 insertions, 21 deletions
diff --git a/vendor/github.com/moby/sys/mountinfo/mountinfo.go b/vendor/github.com/moby/sys/mountinfo/mountinfo.go index fe828c8f5..403a89331 100644 --- a/vendor/github.com/moby/sys/mountinfo/mountinfo.go +++ b/vendor/github.com/moby/sys/mountinfo/mountinfo.go @@ -29,35 +29,38 @@ type Info struct { // ID is a unique identifier of the mount (may be reused after umount). ID int - // Parent indicates the ID of the mount parent (or of self for the top of the - // mount tree). + // Parent is the ID of the parent mount (or of self for the root + // of this mount namespace's mount tree). Parent int - // Major indicates one half of the device ID which identifies the device class. - Major int + // Major and Minor are the major and the minor components of the Dev + // field of unix.Stat_t structure returned by unix.*Stat calls for + // files on this filesystem. + Major, Minor int - // Minor indicates one half of the device ID which identifies a specific - // instance of device. - Minor int - - // Root of the mount within the filesystem. + // Root is the pathname of the directory in the filesystem which forms + // the root of this mount. Root string - // Mountpoint indicates the mount point relative to the process's root. + // Mountpoint is the pathname of the mount point relative to the + // process's root directory. Mountpoint string - // Options represents mount-specific options. + // Options is a comma-separated list of mount options. Options string - // Optional represents optional fields. + // Optional are zero or more fields of the form "tag[:value]", + // separated by a space. Currently, the possible optional fields are + // "shared", "master", "propagate_from", and "unbindable". For more + // information, see mount_namespaces(7) Linux man page. Optional string - // FSType indicates the type of filesystem, such as EXT3. + // FSType is the filesystem type in the form "type[.subtype]". FSType string - // Source indicates filesystem specific information or "none". + // Source is filesystem-specific information, or "none". Source string - // VFSOptions represents per super block options. + // VFSOptions is a comma-separated list of superblock options. VFSOptions string } diff --git a/vendor/github.com/moby/sys/mountinfo/mountinfo_filters.go b/vendor/github.com/moby/sys/mountinfo/mountinfo_filters.go index 5869b2cee..16079c3c5 100644 --- a/vendor/github.com/moby/sys/mountinfo/mountinfo_filters.go +++ b/vendor/github.com/moby/sys/mountinfo/mountinfo_filters.go @@ -14,11 +14,16 @@ import "strings" // stop: true if parsing should be stopped after the entry. type FilterFunc func(*Info) (skip, stop bool) -// PrefixFilter discards all entries whose mount points -// do not start with a specific prefix. +// PrefixFilter discards all entries whose mount points do not start with, or +// are equal to the path specified in prefix. The prefix path must be absolute, +// have all symlinks resolved, and cleaned (i.e. no extra slashes or dots). +// +// PrefixFilter treats prefix as a path, not a partial prefix, which means that +// given "/foo", "/foo/bar" and "/foobar" entries, PrefixFilter("/foo") returns +// "/foo" and "/foo/bar", and discards "/foobar". func PrefixFilter(prefix string) FilterFunc { return func(m *Info) (bool, bool) { - skip := !strings.HasPrefix(m.Mountpoint, prefix) + skip := !strings.HasPrefix(m.Mountpoint+"/", prefix+"/") return skip, false } } diff --git a/vendor/github.com/moby/sys/mountinfo/mountinfo_linux.go b/vendor/github.com/moby/sys/mountinfo/mountinfo_linux.go index e591c8365..f09a70fa0 100644 --- a/vendor/github.com/moby/sys/mountinfo/mountinfo_linux.go +++ b/vendor/github.com/moby/sys/mountinfo/mountinfo_linux.go @@ -12,7 +12,8 @@ import ( // GetMountsFromReader retrieves a list of mounts from the // reader provided, with an optional filter applied (use nil // for no filter). This can be useful in tests or benchmarks -// that provide a fake mountinfo data. +// that provide fake mountinfo data, or when a source other +// than /proc/self/mountinfo needs to be read from. // // This function is Linux-specific. func GetMountsFromReader(r io.Reader, filter FilterFunc) ([]*Info, error) { @@ -133,8 +134,6 @@ func GetMountsFromReader(r io.Reader, filter FilterFunc) ([]*Info, error) { return out, nil } -// Parse /proc/self/mountinfo because comparing Dev and ino does not work from -// bind mounts func parseMountTable(filter FilterFunc) ([]*Info, error) { f, err := os.Open("/proc/self/mountinfo") if err != nil { |