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2020-08-31Merge release-20200818.0-93-g6cdfa4fee (automated)gVisor bot
2020-08-31Merge release-20200818.0-92-g9d0d82088 (automated)gVisor bot
2020-08-31Merge release-20200818.0-89-ga3d189301 (automated)gVisor bot
2020-08-29Merge release-20200818.0-88-g3bee863ae (automated)gVisor bot
2020-08-29Merge release-20200818.0-87-gf6ddcbefa (automated)gVisor bot
2020-08-28Merge release-20200818.0-86-gd3057717d (automated)gVisor bot
2020-08-28Merge release-20200818.0-85-gd5787f628 (automated)gVisor bot
2020-08-28Merge release-20200818.0-84-gb4820e598 (automated)gVisor bot
2020-08-28Implement StatFS for various VFS2 filesystems.Rahat Mahmood
This mainly involved enabling kernfs' client filesystems to provide a StatFS implementation. Fixes #3411, #3515. PiperOrigin-RevId: 329009864
2020-08-28Merge release-20200818.0-83-gbdd5996a7 (automated)gVisor bot
2020-08-28Merge release-20200818.0-80-g7bc9f9b47 (automated)gVisor bot
2020-08-28Merge release-20200818.0-79-g8ae0ab722 (automated)gVisor bot
2020-08-28Merge release-20200818.0-78-g421e35020 (automated)gVisor bot
2020-08-28Merge release-20200818.0-77-g84f04909c (automated)gVisor bot
2020-08-27Merge release-20200818.0-75-g57877b420 (automated)gVisor bot
2020-08-27Merge release-20200818.0-74-g6f8fb7e0d (automated)gVisor bot
2020-08-27Merge release-20200818.0-73-g29d528399 (automated)gVisor bot
2020-08-27Merge release-20200818.0-71-g26c588f06 (automated)gVisor bot
2020-08-27Merge release-20200818.0-69-gdc81eb9c3 (automated)gVisor bot
2020-08-27Merge release-20200818.0-68-g01a35a2f1 (automated)gVisor bot
2020-08-27Merge release-20200818.0-67-g140ffb600 (automated)gVisor bot
2020-08-27Merge release-20200818.0-66-g32e7a54f7 (automated)gVisor bot
2020-08-27Merge release-20200818.0-65-ga4b1c6f5a (automated)gVisor bot
2020-08-27Merge release-20200818.0-63-g38895db3a (automated)gVisor bot
2020-08-26Merge release-20200818.0-61-g983a55aa0 (automated)gVisor bot
2020-08-26Merge release-20200818.0-60-g366f1a8f1 (automated)gVisor bot
2020-08-26Merge release-20200818.0-59-gb03e0ee80 (automated)gVisor bot
2020-08-26Merge release-20200818.0-58-g83a8b309e (automated)gVisor bot
2020-08-26Merge release-20200818.0-56-gdf3c105f4 (automated)gVisor bot
2020-08-25Use new reference count utility throughout gvisor.Dean Deng
This uses the refs_vfs2 template in vfs2 as well as objects common to vfs1 and vfs2. Note that vfs1-only refcounts are not replaced, since vfs1 will be deleted soon anyway. The following structs now use the new tool, with leak check enabled: devpts:rootInode fuse:inode kernfs:Dentry kernfs:dir kernfs:readonlyDir kernfs:StaticDirectory proc:fdDirInode proc:fdInfoDirInode proc:subtasksInode proc:taskInode proc:tasksInode vfs:FileDescription vfs:MountNamespace vfs:Filesystem sys:dir kernel:FSContext kernel:ProcessGroup kernel:Session shm:Shm mm:aioMappable mm:SpecialMappable transport:queue And the following use the template, but because they currently are not leak checked, a TODO is left instead of enabling leak check in this patch: kernel:FDTable tun:tunEndpoint Updates #1486. PiperOrigin-RevId: 328460377
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
2020-08-21Make 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
2020-08-18Merge release-20200810.0-48-gb9d87ae7a (automated)gVisor bot
2020-08-18[vfs2] Implement /proc/sys/net/ipv4/tcp_rmem and /proc/sys/net/ipv4/tcp_wmem.Ayush Ranjan
Updates #1035 PiperOrigin-RevId: 327253907
2020-08-06Merge release-20200804.0-27-g35312a95c (automated)gVisor bot
2020-08-05Add loss recovery option for TCP.Nayana Bidari
/proc/sys/net/ipv4/tcp_recovery is used to enable RACK loss recovery in TCP. PiperOrigin-RevId: 325157807
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
2020-07-24Merge release-20200622.1-209-gbac4ebaab (automated)gVisor bot
2020-07-23FileDescription is hard to spell.Dean Deng
Fix typos. PiperOrigin-RevId: 322913282
2020-07-16Merge release-20200622.1-170-g0a745cb34 (automated)gVisor bot
2020-07-14Include context in kernfs.Inode.Stat methodCraig Chi
To implement stat(2) in FUSE, we have to embed credentials and pid in request header. The information should be extracted from the context passed to VFS layer. Therefore `Stat()` signature in `kernfs.Inode` interface should include context as first argument. Some other fs implementations need to be modified as well, such as devpts, host, pipefs, and proc. Fixes #3235
2020-07-01Merge release-20200622.1-46-g43f5dd95a (automated)gVisor bot
2020-06-30Fix index calculation for /proc/[pid]/cmdline.Dean Deng
We were truncating buf using a index relative to the middle of the slice (i.e. where envv begins), but we need to calculate the index relative to the entire slice. Updates #2923. PiperOrigin-RevId: 319154950
2020-06-25Merge release-20200608.0-124-gb5e814445 (automated)gVisor bot
2020-06-24Fix procfs bugs in vfs2.Dean Deng
- Support writing on proc/[pid]/{uid,gid}map - Return EIO for writing to static files. Updates #2923. PiperOrigin-RevId: 318188503
2020-06-24Merge release-20200608.0-119-g364ac92ba (automated)gVisor bot
2020-06-19Merge release-20200608.0-97-g8655fb724 (automated)gVisor bot
2020-06-19Fix vfs2 proc/self/fd dirent iteration.Dean Deng
Make proc/self/fd iteration work properly. Also, the comment on kernfs.Inode.IterDirents did not accurately reflect how parameters should be used/were used in kernfs.Inode impls other than fdDir. Updates #2923. PiperOrigin-RevId: 317370325
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