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2019-08-09ext: Move to pkg/sentry/fsimpl.Ayush Ranjan
fsimpl is the keeper of all filesystem implementations in VFS2. PiperOrigin-RevId: 262617869
2019-08-07ext: Seek unit tests.Ayush Ranjan
PiperOrigin-RevId: 262264674
2019-08-07ext: Read unit tests.Ayush Ranjan
PiperOrigin-RevId: 262242410
2019-08-07ext: vfs.FileDescriptionImpl and vfs.FilesystemImpl implementations.Ayush Ranjan
- This also gets rid of pipes for now because pipe does not have vfs2 specific support yet. - Added file path resolution logic. - Fixes testing infrastructure. - Does not include unit tests yet. PiperOrigin-RevId: 262213950
2019-07-30ext: block map file reader implementation.Ayush Ranjan
Also adds stress tests for block map reader and intensifies extent reader tests. PiperOrigin-RevId: 260838177
2019-07-29Migrate from using io.ReadSeeker to io.ReaderAt.Ayush Ranjan
This provides the following benefits: - We can now use pkg/fd package which does not take ownership of the file descriptor. So it does not close the fd when garbage collected. This reduces scope of errors from unexpected garbage collection of io.File. - It enforces the offset parameter in every read call. It does not affect the fd offset nor is it affected by it. Hence reducing scope of error of using stale offsets when reading. - We do not need to serialize the usage of any global file descriptor anymore. So this drops the mutual exclusion req hence reducing complexity and congestion. PiperOrigin-RevId: 260635174
2019-07-29ext: extent reader implementation.Ayush Ranjan
PiperOrigin-RevId: 260629559
2019-07-29ext: inode implementations.Ayush Ranjan
PiperOrigin-RevId: 260624470
2019-07-24ext: filesystem boilerplate code.Ayush Ranjan
PiperOrigin-RevId: 259865366
2019-07-24ext: Add tests for root directory inode.Ayush Ranjan
PiperOrigin-RevId: 259856442
2019-07-24ext: testing environment setup with VFS2 support.Ayush Ranjan
PiperOrigin-RevId: 259835948
2019-07-23ext: Added extent tree building logic.Ayush Ranjan
PiperOrigin-RevId: 259628657
2019-07-17ext: Filesystem init implementation.Ayush Ranjan
PiperOrigin-RevId: 258645957
2019-07-11ext: boilerplate code.Ayush Ranjan
Renamed ext4 to ext since we are targeting ext(2/3/4). Removed fs.go since we are targeting VFS2. Added ext.go with filesystem struct. PiperOrigin-RevId: 257689775
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