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| author | Fabricio Voznika <fvoznika@google.com> | 2020-09-01 19:20:37 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-09-01 19:22:12 -0700 |
| commit | 37a217aca4a128d66a6dd4969375ea81bd879ac7 (patch) | |
| tree | 21f60d54ca05029cd2c67d7de78cb987ee76f050 /pkg/p9/messages_test.go | |
| parent | 40faeaa180a30906da4822a105c43fcdb996750d (diff) | |
Implement setattr+clunk in 9P
This is to cover the common pattern: open->read/write->close,
where SetAttr needs to be called to update atime/mtime before
the file is closed.
Benchmark results:
BM_OpenReadClose/10240 CPU
setattr+clunk: 63783 ns
VFS2: 68109 ns
VFS1: 72507 ns
Updates #1198
PiperOrigin-RevId: 329628461
Diffstat (limited to 'pkg/p9/messages_test.go')
| -rw-r--r-- | pkg/p9/messages_test.go | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/pkg/p9/messages_test.go b/pkg/p9/messages_test.go index 7facc9f5e..bfeb6c236 100644 --- a/pkg/p9/messages_test.go +++ b/pkg/p9/messages_test.go @@ -376,6 +376,30 @@ func TestEncodeDecode(t *testing.T) { &Rumknod{ Rmknod{QID: QID{Type: 1}}, }, + &Tsetattrclunk{ + FID: 1, + Valid: SetAttrMask{ + Permissions: true, + UID: true, + GID: true, + Size: true, + ATime: true, + MTime: true, + CTime: true, + ATimeNotSystemTime: true, + MTimeNotSystemTime: true, + }, + SetAttr: SetAttr{ + Permissions: 1, + UID: 2, + GID: 3, + Size: 4, + ATimeSeconds: 5, + ATimeNanoSeconds: 6, + MTimeSeconds: 7, + MTimeNanoSeconds: 8, + }, + }, } for _, enc := range objs { |