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| author | Fabricio Voznika <fvoznika@google.com> | 2020-09-01 19:20:37 -0700 |
|---|---|---|
| committer | Andrei Vagin <avagin@gmail.com> | 2020-09-09 17:53:10 -0700 |
| commit | 8a8f457862e093f8d513b92769ebdf637929891a (patch) | |
| tree | df42f5016f06ae2874fb83f1c96e4af4b8c4e9bc /test/syscalls/linux/rseq/critical_amd64.S | |
| parent | 29306b3f646c57aaa475ffe224b04d4473e364c7 (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 'test/syscalls/linux/rseq/critical_amd64.S')
0 files changed, 0 insertions, 0 deletions