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path: root/pkg/p9/handlers.go
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2019-06-13Update canonical repository.Adin Scannell
This can be merged after: https://github.com/google/gvisor-website/pull/77 or https://github.com/google/gvisor-website/pull/78 PiperOrigin-RevId: 253132620
2019-05-20Forward named pipe creation to the goferMichael Pratt
The backing 9p server must allow named pipe creation, which the runsc fsgofer currently does not. There are small changes to the overlay here. GetFile may block when opening a named pipe, which can cause a deadlock: 1. open(O_RDONLY) -> copyMu.Lock() -> GetFile() 2. open(O_WRONLY) -> copyMu.Lock() -> Deadlock A named pipe usable for writing must already be on the upper filesystem, but we are still taking copyMu for write when checking for upper. That can be changed to a read lock to fix the common case. However, a named pipe on the lower filesystem would still deadlock in open(O_WRONLY) when it tries to actually perform copy up (which would simply return EINVAL). Move the copy up type check before taking copyMu for write to avoid this. p9 must be modified, as it was incorrectly removing the file mode when sending messages on the wire. PiperOrigin-RevId: 249154033 Change-Id: Id6637130e567b03758130eb6c7cdbc976384b7d6
2019-05-09Implement fallocate(2)Fabricio Voznika
Closes #225 PiperOrigin-RevId: 247508791 Change-Id: I04f47cf2770b30043e5a272aba4ba6e11d0476cc
2019-04-29Change copyright notice to "The gVisor Authors"Michael Pratt
Based on the guidelines at https://opensource.google.com/docs/releasing/authors/. 1. $ rg -l "Google LLC" | xargs sed -i 's/Google LLC.*/The gVisor Authors./' 2. Manual fixup of "Google Inc" references. 3. Add AUTHORS file. Authors may request to be added to this file. 4. Point netstack AUTHORS to gVisor AUTHORS. Drop CONTRIBUTORS. Fixes #209 PiperOrigin-RevId: 245823212 Change-Id: I64530b24ad021a7d683137459cafc510f5ee1de9
2019-02-28Fix typoMichael Pratt
PiperOrigin-RevId: 236239090 Change-Id: I92e63d6f4b52b78852626c87743fdd86175e09d3
2019-02-25Don't call WalkGetAttr for walk(names=[]).Jamie Liu
PiperOrigin-RevId: 235587729 Change-Id: I37074416b10a30ca3a00d11bcde338d8d979beaf
2019-02-15Internal change.Googler
PiperOrigin-RevId: 234169795 Change-Id: I3c576ae6ad460e2c0e3f142a2671dc18d34a07ef
2018-10-23Remove artificial name length check.Adin Scannell
This should be determined by the filesystem. PiperOrigin-RevId: 218376553 Change-Id: I55d176e2cdf8acdd6642789af057b98bb8ca25b8
2018-10-23Track paths and provide a rename hook.Adin Scannell
This change also adds extensive testing to the p9 package via mocks. The sanity checks and type checks are moved from the gofer into the core package, where they can be more easily validated. PiperOrigin-RevId: 218296768 Change-Id: I4fc3c326e7bf1e0e140a454cbacbcc6fd617ab55
2018-10-19Use correct company name in copyright headerIan Gudger
PiperOrigin-RevId: 217951017 Change-Id: Ie08bf6987f98467d07457bcf35b5f1ff6e43c035
2018-09-07Add additional sanity checks for walk.Adin Scannell
PiperOrigin-RevId: 212058684 Change-Id: I319709b9ffcfccb3231bac98df345d2a20eca24b
2018-08-13Add path sanity checks.Adin Scannell
PiperOrigin-RevId: 208527333 Change-Id: I55291bc6b8bc6b88fdd75baf899a71854c39c1a7
2018-04-28Check in gVisor.Googler
PiperOrigin-RevId: 194583126 Change-Id: Ica1d8821a90f74e7e745962d71801c598c652463
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