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authorkevin.xu <cming.xu@gmail.com>2020-04-27 21:51:31 +0800
committerGitHub <noreply@github.com>2020-04-27 21:51:31 +0800
commite896ca54db67524afc20b644d43c72185e72dc0e (patch)
tree2a16f3a62a5cafd098f1f028c621f1b655589d69 /pkg/sentry/fsimpl/ext/disklayout
parent1f19624fa127d7d59cabe29593cc80b7fe6c81f8 (diff)
parent3c67754663f424f2ebbc0ff2a4c80e30618d5355 (diff)
Merge pull request #1 from google/master
catch up
Diffstat (limited to 'pkg/sentry/fsimpl/ext/disklayout')
-rw-r--r--pkg/sentry/fsimpl/ext/disklayout/BUILD6
-rw-r--r--pkg/sentry/fsimpl/ext/disklayout/extent.go10
-rw-r--r--pkg/sentry/fsimpl/ext/disklayout/extent_test.go6
3 files changed, 12 insertions, 10 deletions
diff --git a/pkg/sentry/fsimpl/ext/disklayout/BUILD b/pkg/sentry/fsimpl/ext/disklayout/BUILD
index fcfaf5c3e..9bd9c76c0 100644
--- a/pkg/sentry/fsimpl/ext/disklayout/BUILD
+++ b/pkg/sentry/fsimpl/ext/disklayout/BUILD
@@ -1,5 +1,4 @@
-load("@io_bazel_rules_go//go:def.bzl", "go_test")
-load("//tools/go_stateify:defs.bzl", "go_library")
+load("//tools:defs.bzl", "go_library", "go_test")
package(licenses = ["notice"])
@@ -23,7 +22,6 @@ go_library(
"superblock_old.go",
"test_utils.go",
],
- importpath = "gvisor.dev/gvisor/pkg/sentry/fsimpl/ext/disklayout",
visibility = ["//pkg/sentry:internal"],
deps = [
"//pkg/abi/linux",
@@ -44,6 +42,6 @@ go_test(
"inode_test.go",
"superblock_test.go",
],
- embed = [":disklayout"],
+ library = ":disklayout",
deps = ["//pkg/sentry/kernel/time"],
)
diff --git a/pkg/sentry/fsimpl/ext/disklayout/extent.go b/pkg/sentry/fsimpl/ext/disklayout/extent.go
index 567523d32..4110649ab 100644
--- a/pkg/sentry/fsimpl/ext/disklayout/extent.go
+++ b/pkg/sentry/fsimpl/ext/disklayout/extent.go
@@ -29,8 +29,12 @@ package disklayout
// byte (i * sb.BlockSize()) to ((i+1) * sb.BlockSize()).
const (
- // ExtentStructsSize is the size of all the three extent on-disk structs.
- ExtentStructsSize = 12
+ // ExtentHeaderSize is the size of the header of an extent tree node.
+ ExtentHeaderSize = 12
+
+ // ExtentEntrySize is the size of an entry in an extent tree node.
+ // This size is the same for both leaf and internal nodes.
+ ExtentEntrySize = 12
// ExtentMagic is the magic number which must be present in the header.
ExtentMagic = 0xf30a
@@ -57,7 +61,7 @@ type ExtentNode struct {
Entries []ExtentEntryPair
}
-// ExtentEntry reprsents an extent tree node entry. The entry can either be
+// ExtentEntry represents an extent tree node entry. The entry can either be
// an ExtentIdx or Extent itself. This exists to simplify navigation logic.
type ExtentEntry interface {
// FileBlock returns the first file block number covered by this entry.
diff --git a/pkg/sentry/fsimpl/ext/disklayout/extent_test.go b/pkg/sentry/fsimpl/ext/disklayout/extent_test.go
index b0fad9b71..8762b90db 100644
--- a/pkg/sentry/fsimpl/ext/disklayout/extent_test.go
+++ b/pkg/sentry/fsimpl/ext/disklayout/extent_test.go
@@ -21,7 +21,7 @@ import (
// TestExtentSize tests that the extent structs are of the correct
// size.
func TestExtentSize(t *testing.T) {
- assertSize(t, ExtentHeader{}, ExtentStructsSize)
- assertSize(t, ExtentIdx{}, ExtentStructsSize)
- assertSize(t, Extent{}, ExtentStructsSize)
+ assertSize(t, ExtentHeader{}, ExtentHeaderSize)
+ assertSize(t, ExtentIdx{}, ExtentEntrySize)
+ assertSize(t, Extent{}, ExtentEntrySize)
}