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2020-08-25Merge release-20200818.0-50-gc28bbee99 (automated)gVisor bot
2020-08-25overlay: clonePrivateMount must pass a Dentry reference to MakeVirtualDentry.Nicolas Lacasse
PiperOrigin-RevId: 328410065
2020-08-25Merge release-20200818.0-49-g1f0d23c7a (automated)gVisor bot
2020-08-25Merge release-20200818.0-47-g3cba0a41d (automated)gVisor bot
2020-08-25Merge release-20200818.0-46-g3b2e50f53 (automated)gVisor bot
2020-08-25Merge release-20200818.0-45-gb0c53f847 (automated)gVisor bot
2020-08-25Merge release-20200818.0-44-gb83758cd8 (automated)gVisor bot
2020-08-25Merge release-20200818.0-40-g46485f9d4 (automated)gVisor bot
2020-08-25Merge release-20200818.0-38-gc61f6fcf6 (automated)gVisor bot
2020-08-25Fix deadlock in gofer direct IO.Dean Deng
Fixes several java runtime tests: java/nio/channels/FileChannel/directio/ReadDirect.java java/nio/channels/FileChannel/directio/PreadDirect.java Updates #3576. PiperOrigin-RevId: 328281849
2020-08-25Merge release-20200818.0-37-gf1821fdb6 (automated)gVisor bot
2020-08-25Merge release-20200818.0-36-g4ad858a58 (automated)gVisor bot
2020-08-24Flush in fsimpl/gofer.regularFileFD.OnClose() if there are no dirty pages.Jamie Liu
This is closer to indistinguishable from VFS1 behavior. PiperOrigin-RevId: 328256068
2020-08-24Merge release-20200818.0-34-g2b0b5e252 (automated)gVisor bot
2020-08-24Merge release-20200818.0-32-g339d266be (automated)gVisor bot
2020-08-24Merge release-20200810.0-94-gbae25d2a0 (automated)gVisor bot
2020-08-24Update inotify documentation for gofer filesystem.Dean Deng
We now allow hard links to be created within gofer fs (see github.com/google/gvisor/commit/f20e63e31b56784c596897e86f03441f9d05f567). Update the inotify documentation accordingly. PiperOrigin-RevId: 328177485
2020-08-22Implement GetFilesystem for verity fsgVisor bot
verity GetFilesystem is implemented by mounting the underlying file system, save the mount, and store both the underlying root dentry and root Merkle file dentry in verity's root dentry. PiperOrigin-RevId: 327959334
2020-08-22Merge release-20200810.0-90-g17bc5c1b0 (automated)gVisor bot
2020-08-21Merge release-20200810.0-87-gbd3383a7e (automated)gVisor bot
2020-08-21Merge release-20200810.0-85-g0ea03f501 (automated)gVisor bot
2020-08-21Clarify seek behaviour for kernfs.GenericDirectoryFD.Rahat Mahmood
- Remove comment about GenericDirectoryFD not being compatible with dynamic directories. It is currently being used to implement dynamic directories. - Try to handle SEEK_END better than setting the offset to infinity. SEEK_END is poorly defined for dynamic directories anyways, so at least try make it work correctly for the static entries. Updates #1193. PiperOrigin-RevId: 327890128
2020-08-21Merge release-20200810.0-84-g5f33fdf37 (automated)gVisor bot
2020-08-21Pass overlay credentials via context in copy up.Nicolas Lacasse
Some VFS operations (those which operate on FDs) get their credentials via the context instead of via an explicit creds param. For these cases, we must pass the overlay credentials on the context. PiperOrigin-RevId: 327881259
2020-08-21Merge release-20200810.0-83-g5ec3d4ed3 (automated)gVisor bot
2020-08-21Make mounts ReadWrite first, then later change to ReadOnly.Nicolas Lacasse
This lets us create "synthetic" mountpoint directories in ReadOnly mounts during VFS setup. Also add context.WithMountNamespace, as some filesystems (like overlay) require a MountNamespace on ctx to handle vfs.Filesystem Operations. PiperOrigin-RevId: 327874971
2020-08-21Merge release-20200810.0-82-gc9e752b64 (automated)gVisor bot
2020-08-21Merge release-20200810.0-81-g2c422b7f2 (automated)gVisor bot
2020-08-21Fix parent directory creation in CreateDeviceFile.Nicolas Lacasse
It was not properly creating recursive directories. Added tests for this case. Updates #1196 PiperOrigin-RevId: 327850811
2020-08-21Merge release-20200810.0-80-gc24db90be (automated)gVisor bot
2020-08-21Merge release-20200810.0-79-g0324b94a7 (automated)gVisor bot
2020-08-20Merge release-20200810.0-77-ge8a25a283 (automated)gVisor bot
2020-08-20Merge release-20200810.0-76-gdf4822709 (automated)gVisor bot
2020-08-20Merge release-20200810.0-75-g3163aff86 (automated)gVisor bot
2020-08-20Add reference count checking to the fsimpl/host package.Dean Deng
Includes a minor refactor for inode construction. Updates #1486. PiperOrigin-RevId: 327694933
2020-08-20Merge release-20200810.0-74-g129018ab3 (automated)gVisor bot
2020-08-20Consistent precondition formattingMichael Pratt
Our "Preconditions:" blocks are very useful to determine the input invariants, but they are bit inconsistent throughout the codebase, which makes them harder to read (particularly cases with 5+ conditions in a single paragraph). I've reformatted all of the cases to fit in simple rules: 1. Cases with a single condition are placed on a single line. 2. Cases with multiple conditions are placed in a bulleted list. This format has been added to the style guide. I've also mentioned "Postconditions:", though those are much less frequently used, and all uses already match this style. PiperOrigin-RevId: 327687465
2020-08-20Merge release-20200810.0-72-g7ca62b9da (automated)gVisor bot
2020-08-20Merge release-20200810.0-71-g710adf23c (automated)gVisor bot
2020-08-20Merge release-20200810.0-70-gd2e32395c (automated)gVisor bot
2020-08-20Merge release-20200810.0-69-gbe76c7ce6 (automated)gVisor bot
2020-08-20Merge release-20200810.0-68-g633570462 (automated)gVisor bot
2020-08-19Remove path walk from localFile.MknodFabricio Voznika
Replace mknod call with mknodat equivalent to protect against symlink attacks. Also added Mknod tests. Remove goferfs reliance on gofer to check for file existence before creating a synthetic entry. Updates #2923 PiperOrigin-RevId: 327544516
2020-08-19Merge release-20200810.0-66-gf8a948300 (automated)gVisor bot
2020-08-19Merge release-20200810.0-65-g182f66ee5 (automated)gVisor bot
2020-08-19Merge release-20200810.0-62-g41777e90e (automated)gVisor bot
2020-08-19Merge release-20200810.0-61-g333172229 (automated)gVisor bot
2020-08-19Merge release-20200810.0-60-g33c60b893 (automated)gVisor bot
2020-08-19Merge release-20200810.0-59-g35dc7fe7e (automated)gVisor bot
2020-08-18[vfs] Allow offsets for special files other than regular files.Ayush Ranjan
Some character and block devices can be seekable. So allow their FD to maintain file offset. PiperOrigin-RevId: 327370684
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