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2020-08-26Merge release-20200818.0-61-g983a55aa0 (automated)gVisor bot
2020-08-25Merge release-20200818.0-40-g46485f9d4 (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
2020-08-21Merge 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
2020-08-19Merge release-20200810.0-57-gf2822da54 (automated)gVisor bot
2020-08-18Move ERESTART* error definitions to syserror package.Dean Deng
This is needed to avoid circular dependencies between the vfs and kernel packages. PiperOrigin-RevId: 327355524
2020-08-17Merge release-20200810.0-44-gd42d01b97 (automated)gVisor bot
2020-08-17Stop masking the IO error in handleIOError.Nicolas Lacasse
PiperOrigin-RevId: 327123331
2020-08-12Merge release-20200804.0-66-gc5ed39016 (automated)gVisor bot
2020-08-12Release fd references on aio callback cancellation.Dean Deng
Discovered by reference leak checker on tmpfs.inode. PiperOrigin-RevId: 326294755
2020-08-05Merge release-20200804.0-23-g1403a88c6 (automated)gVisor bot
2020-08-05Release extra memfd reference.Dean Deng
PiperOrigin-RevId: 325122849
2020-08-05Merge release-20200622.1-335-g87ee3898f (automated)gVisor bot
2020-08-04Handle EOF in vfs2 sendfile.Dean Deng
Discovered by syzkaller. PiperOrigin-RevId: 324938438
2020-08-03Merge release-20200622.1-314-g5626ccf61 (automated)gVisor bot
2020-08-03Remove old TODO.Dean Deng
Fixes #2920. PiperOrigin-RevId: 324695118
2020-08-03Merge release-20200622.1-313-gb2ae7ea1b (automated)gVisor bot
2020-08-03Plumbing context.Context to DecRef() and Release().Nayana Bidari
context is passed to DecRef() and Release() which is needed for SO_LINGER implementation. PiperOrigin-RevId: 324672584
2020-08-03Merge release-20200622.1-310-g1fbbc795e (automated)gVisor bot
2020-08-03Add inotify events for fallocate and tests for fallocate/sendfile.Dean Deng
Updates #1479, #2923. PiperOrigin-RevId: 324658826
2020-07-31Merge release-20200622.1-300-ga7d9aa6d5 (automated)gVisor bot
2020-07-31Clean up vfs2 fallocate.Dean Deng
Move to setstat.go and add a FileDescription wrapper method. PiperOrigin-RevId: 324165277
2020-07-30Fix SETOWN_EX return value.Dean Deng
Return on success should be 0, not size of the struct copied out. PiperOrigin-RevId: 324029193
2020-07-27Merge release-20200622.1-238-g9a4ad9d5e (automated)gVisor bot
2020-07-27Merge pull request #2958 from lubinszARM:pr_vfs2_1gVisor bot
PiperOrigin-RevId: 323443142
2020-07-24Merge release-20200622.1-210-gd9a3f5d0c (automated)gVisor bot
2020-07-23Add permission checks to vfs2 truncate.Dean Deng
- Check write permission on truncate(2). Unlike ftruncate(2), truncate(2) fails if the user does not have write permissions on the file. - For gofers under InteropModeShared, check file type before making a truncate request. We should fail early and avoid making an rpc when possible. Furthermore, depending on the remote host's failure may give us unexpected behavior--if the host converts the truncate request to an ftruncate syscall on an open fd, we will get EINVAL instead of EISDIR. Updates #2923. PiperOrigin-RevId: 322913569
2020-07-24Merge release-20200622.1-207-g4ec351633 (automated)gVisor bot
2020-07-23Implement get/set_robust_list.Nicolas Lacasse
PiperOrigin-RevId: 322904430
2020-07-23Merge release-20200622.1-206-g5e34ee68c (automated)gVisor bot
2020-07-23Added stub FUSE filesystemRidwan Sharif
Allow FUSE filesystems to be mounted using libfuse. The appropriate flags and mount options are parsed and understood by fusefs.
2020-07-23Merge release-20200622.1-195-g6f7f73996 (automated)gVisor bot
2020-07-23Marshallable socket opitons.Ayush Ranjan
Socket option values are now required to implement marshal.Marshallable. Co-authored-by: Rahat Mahmood <rahat@google.com> PiperOrigin-RevId: 322831612
2020-07-23Merge release-20200622.1-193-gb396d3882 (automated)gVisor bot
2020-07-23Port sendfile to vfs2.Nicolas Lacasse
And do some refactoring of the wait logic in sendfile/splice/tee. Updates #1035 #2923 PiperOrigin-RevId: 322815521
2020-07-07Merge release-20200622.1-74-g10930189c (automated)gVisor bot
2020-07-07Fix mknod and inotify syscall testAyush Ranjan
This change fixes a few things: - creating sockets using mknod(2) is supported via vfs2 - fsgofer can create regular files via mknod(2) - mode = 0 for mknod(2) will be interpreted as regular file in vfs2 as well Updates #2923 PiperOrigin-RevId: 320074267
2020-07-02Merge release-20200622.1-55-g65d998555 (automated)gVisor bot
2020-07-01Port vfs1 implementation of sync_file_range to vfs2.Dean Deng
Currently, we always perform a full-file sync which could be extremely expensive for some applications. Although vfs1 did not fully support sync_file_range, there were some optimizations that allowed us skip some unnecessary write-outs. Updates #2923, #1897. PiperOrigin-RevId: 319324213
2020-07-01Merge release-20200622.1-52-g6a90c88b9 (automated)gVisor bot
2020-07-01Port fallocate to VFS2.Zach Koopmans
PiperOrigin-RevId: 319283715
2020-07-01Merge release-20200622.1-49-gcda2979b6 (automated)gVisor bot
2020-07-01Complete async signal delivery support in vfs2.Dean Deng
- Support FIOASYNC, FIO{SET,GET}OWN, SIOC{G,S}PGRP (refactor getting/setting owner in the process). - Unset signal recipient when setting owner with pid == 0 and valid owner type. Updates #2923. PiperOrigin-RevId: 319231420
2020-06-28Merge release-20200622.1-39-ge8f1a5c1f (automated)gVisor bot
2020-06-27Port GETOWN, SETOWN fcntls to vfs2.Dean Deng
Also make some fixes to vfs1's F_SETOWN. The fcntl test now entirely passes on vfs2. Fixes #2920. PiperOrigin-RevId: 318669529
2020-06-26Merge release-20200622.1-29-g54a31e219 (automated)gVisor bot
2020-06-26Support inotify IN_ONESHOT.Dean Deng
Also, while we're here, make sure that gofer inotify events are generated when files are created in remote revalidating mode. Updates #1479. PiperOrigin-RevId: 318536354
2020-06-24Merge release-20200608.0-119-g364ac92ba (automated)gVisor bot
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