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author | Chirantan Ekbote <chirantan@chromium.org> | 2020-03-17 17:52:02 +0900 |
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committer | Commit Bot <commit-bot@chromium.org> | 2020-03-19 08:13:30 +0000 |
commit | 93a987705782a882c9f1d05b8b472276c20ae50f (patch) | |
tree | 976ac67b17d1b5622f7f0ba6f9dbbd8da973bb89 /devices/src/virtio/fs/passthrough.rs | |
parent | a07d84ad6876197368ed23b641c2400a44809e69 (diff) | |
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devices: fs: Support FOPEN_CACHE_DIR
Add support for FOPEN_CACHE_DIR so that the guest can cache directory entries for longer. BUG=b:150264964 TEST=vm.Virtiofs Change-Id: Iade67b54084ed72378afa70af9e9e0f7f0bc03e8 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/2105821 Reviewed-by: Daniel Verkamp <dverkamp@chromium.org> Tested-by: kokoro <noreply+kokoro@google.com> Commit-Queue: Chirantan Ekbote <chirantan@chromium.org>
Diffstat (limited to 'devices/src/virtio/fs/passthrough.rs')
-rw-r--r-- | devices/src/virtio/fs/passthrough.rs | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/devices/src/virtio/fs/passthrough.rs b/devices/src/virtio/fs/passthrough.rs index d23009b..aab1403 100644 --- a/devices/src/virtio/fs/passthrough.rs +++ b/devices/src/virtio/fs/passthrough.rs @@ -592,7 +592,13 @@ impl PassthroughFs { OpenOptions::DIRECT_IO, flags & (libc::O_DIRECTORY as u32) == 0, ), - CachePolicy::Always => opts |= OpenOptions::KEEP_CACHE, + CachePolicy::Always => { + opts |= if flags & (libc::O_DIRECTORY as u32) == 0 { + OpenOptions::KEEP_CACHE + } else { + OpenOptions::CACHE_DIR + } + } _ => {} }; |