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authorJamie Liu <jamieliu@google.com>2020-09-09 18:37:29 -0700
committergVisor bot <gvisor-bot@google.com>2020-09-09 18:39:23 -0700
commit2c7df1a9a5cd5288404308e8f0775499d68a0b13 (patch)
tree7bd08b38c9960d64277a2e190156a086d172715e /pkg/sentry/platform
parentf949951144dc11391804ddc89042a1e9ce800972 (diff)
Don't write VFS2 gofer client timestamps back on dentry destruction.
This feature is too expensive for runsc, even with setattrclunk, because fsgofer.localFile.SetAttr() ends up needing to call reopenProcFD(), incurring two string allocations for the FD pathname, an fd.FD allocation, and two calls to runtime.SetFinalizer() when the fd.FD is created and closed respectively (b/133767962) (plus the actual cost of the syscalls, which is negligible). PiperOrigin-RevId: 330843012
Diffstat (limited to 'pkg/sentry/platform')
0 files changed, 0 insertions, 0 deletions