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| author | Dean Deng <deandeng@google.com> | 2020-08-24 11:28:28 -0700 |
|---|---|---|
| committer | Andrei Vagin <avagin@gmail.com> | 2020-09-09 17:53:10 -0700 |
| commit | 78c8c9e4c8a47818df14aac192a33a0f7b9f9006 (patch) | |
| tree | 2f76a6540b90710b84c6275c06fbb85b21ad79a3 /pkg/sentry/fsimpl | |
| parent | 194bcb6ca3c3a6ef59a471b5d46886b41575d1bc (diff) | |
Update inotify documentation for gofer filesystem.
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
Diffstat (limited to 'pkg/sentry/fsimpl')
| -rw-r--r-- | pkg/sentry/fsimpl/gofer/gofer.go | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/pkg/sentry/fsimpl/gofer/gofer.go b/pkg/sentry/fsimpl/gofer/gofer.go index c6696b9d8..81d34cfe3 100644 --- a/pkg/sentry/fsimpl/gofer/gofer.go +++ b/pkg/sentry/fsimpl/gofer/gofer.go @@ -703,6 +703,13 @@ type dentry struct { locks vfs.FileLocks // Inotify watches for this dentry. + // + // Note that inotify may behave unexpectedly in the presence of hard links, + // because dentries corresponding to the same file have separate inotify + // watches when they should share the same set. This is the case because it is + // impossible for us to know for sure whether two dentries correspond to the + // same underlying file (see the gofer filesystem section fo vfs/inotify.md for + // a more in-depth discussion on this matter). watches vfs.Watches } |