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path: root/pkg/sentry/fs/inode.go
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2019-05-17Fix gofer rename ctime and cleanup stat_times testMichael Pratt
There is a lot of redundancy that we can simplify in the stat_times test. This will make it easier to add new tests. However, the simplification reveals that cached uattrs on goferfs don't properly update ctime on rename. PiperOrigin-RevId: 248773425 Change-Id: I52662728e1e9920981555881f9a85f9ce04041cf
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
2019-04-29Allow and document bug ids in gVisor codebase.Nicolas Lacasse
PiperOrigin-RevId: 245818639 Change-Id: I03703ef0fb9b6675955637b9fe2776204c545789
2019-04-05Use string type for extended attribute values, instead of []byte.Nicolas Lacasse
Strings are a better fit for this usage because they are immutable in Go, and can contain arbitrary bytes. It also allows us to avoid casting bytes to string (and the associated allocation) in the hot path when checking for overlay whiteouts. PiperOrigin-RevId: 242208856 Change-Id: I7699ae6302492eca71787dd0b72e0a5a217a3db2
2019-03-18Remove references to replaced child in Rename in ramfs/agentfsMichael Pratt
In the case of a rename replacing an existing destination inode, ramfs Rename failed to first remove the replaced inode. This caused: 1. A leak of a reference to the inode (making it live indefinitely). 2. For directories, a leak of the replaced directory's .. link to the parent. This would cause the parent's link count to incorrectly increase. (2) is much simpler to test than (1), so that's what I've done. agentfs has a similar bug with link count only, so the Dirent layer informs the Inode if this is a replacing rename. Fixes #133 PiperOrigin-RevId: 239105698 Change-Id: I4450af2462d8ae3339def812287213d2cbeebde0
2019-02-13Internal change.Googler
PiperOrigin-RevId: 233802562 Change-Id: I40e1b13fd571daaf241b00f8df4bcedd034dc3f1
2019-01-14Remove fs.Handle, ramfs.Entry, and all the DeprecatedFileOperations.Nicolas Lacasse
More helper structs have been added to the fsutil package to make it easier to implement fs.InodeOperations and fs.FileOperations. PiperOrigin-RevId: 229305982 Change-Id: Ib6f8d3862f4216745116857913dbfa351530223b
2018-11-27Fix data race in fs.Async.Nicolas Lacasse
Replaces the WaitGroup with a RWMutex. Calls to Async hold the mutex for reading, while AsyncBarrier takes the lock for writing. This ensures that all executing Async work finishes before AsyncBarrier returns. Also pushes the Async() call from Inode.Release into gofer/InodeOperations.Release(). This removes a recursive Async call which should not have been allowed in the first place. The gofer Release call is the slow one (since it may make RPCs to the gofer), so putting the Async call there makes sense. PiperOrigin-RevId: 223093067 Change-Id: I116da7b20fce5ebab8d99c2ab0f27db7c89d890e
2018-11-08Create stubs for syscalls upto Linux 4.4.Rahat Mahmood
Create syscall stubs for missing syscalls upto Linux 4.4 and advertise a kernel version of 4.4. PiperOrigin-RevId: 220667680 Change-Id: Idbdccde538faabf16debc22f492dd053a8af0ba7
2018-10-19Use correct company name in copyright headerIan Gudger
PiperOrigin-RevId: 217951017 Change-Id: Ie08bf6987f98467d07457bcf35b5f1ff6e43c035
2018-10-17Move Unix transport out of netstackIan Gudger
PiperOrigin-RevId: 217557656 Change-Id: I63d27635b1a6c12877279995d2d9847b6a19da9b
2018-08-10Enable checkpoint/restore in cases of UDS use.Brielle Broder
Previously, processes which used file-system Unix Domain Sockets could not be checkpoint-ed in runsc because the sockets were saved with their inode numbers which do not necessarily remain the same upon restore. Now, the sockets are also saved with their paths so that the new inodes can be determined for the sockets based on these paths after restoring. Tests for cases with UDS use are included. Test cleanup to come. PiperOrigin-RevId: 208268781 Change-Id: Ieaa5d5d9a64914ca105cae199fd8492710b1d7ec
2018-08-02Automated rollback of changelist 207037226Zhaozhong Ni
PiperOrigin-RevId: 207125440 Change-Id: I6c572afb4d693ee72a0c458a988b0e96d191cd49
2018-08-01Automated rollback of changelist 207007153Michael Pratt
PiperOrigin-RevId: 207037226 Change-Id: I8b5f1a056d4f3eab17846f2e0193bb737ecb5428
2018-08-01stateify: convert all packages to use explicit mode.Zhaozhong Ni
PiperOrigin-RevId: 207007153 Change-Id: Ifedf1cc3758dc18be16647a4ece9c840c1c636c9
2018-05-07Fix misspellingsIan Gudger
PiperOrigin-RevId: 195742598 Change-Id: Ibd4a8e4394e268c87700b6d1e50b4b37dfce5182
2018-04-28Check in gVisor.Googler
PiperOrigin-RevId: 194583126 Change-Id: Ica1d8821a90f74e7e745962d71801c598c652463
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