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authorDean Deng <deandeng@google.com>2020-05-29 08:07:44 -0700
committergVisor bot <gvisor-bot@google.com>2020-05-29 08:09:14 -0700
commitfe464f44b7d3696bafd9a2faf3750e1dc4d56d80 (patch)
treeac32d66056f6a81207180c1f9fda660c5caad75e /pkg/sentry/fsimpl/ext
parent50844fee29aed500fff41f417f6183867ca0f0b5 (diff)
Port inotify to vfs2, with support in tmpfs.
Support in other filesystem impls is still needed. Unlike in Linux and vfs1, we need to plumb inotify down to each filesystem implementation in order to keep track of links/inode structures properly. IN_EXCL_UNLINK still needs to be implemented, as well as a few inotify hooks that are not present in either vfs1 or vfs2. Those will be addressed in subsequent changes. Updates #1479. PiperOrigin-RevId: 313781995
Diffstat (limited to 'pkg/sentry/fsimpl/ext')
-rw-r--r--pkg/sentry/fsimpl/ext/dentry.go12
1 files changed, 12 insertions, 0 deletions
diff --git a/pkg/sentry/fsimpl/ext/dentry.go b/pkg/sentry/fsimpl/ext/dentry.go
index bfbd7c3d4..4d0deaf03 100644
--- a/pkg/sentry/fsimpl/ext/dentry.go
+++ b/pkg/sentry/fsimpl/ext/dentry.go
@@ -60,3 +60,15 @@ func (d *dentry) DecRef() {
// inode.decRef().
d.inode.decRef()
}
+
+// InotifyWithParent implements vfs.DentryImpl.InotifyWithParent.
+//
+// TODO(gvisor.dev/issue/1479): Implement inotify.
+func (d *dentry) InotifyWithParent(events uint32, cookie uint32) {}
+
+// Watches implements vfs.DentryImpl.Watches.
+//
+// TODO(gvisor.dev/issue/1479): Implement inotify.
+func (d *dentry) Watches() *vfs.Watches {
+ return nil
+}