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| author | gVisor bot <gvisor-bot@google.com> | 2020-02-14 13:39:51 -0800 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-02-14 13:40:39 -0800 |
| commit | e4c7f3e6f6c19f3259820a4c41b69e85c0454379 (patch) | |
| tree | c63b9ac4d97a715a226feba4fbbd5cab03bb6743 /pkg/sentry/vfs/dentry.go | |
| parent | 50c493193b72997a6b09f353fd9217349941c494 (diff) | |
Inline vfs.VirtualFilesystem in Kernel struct
This saves one pointer dereference per VFS access.
Updates #1623
PiperOrigin-RevId: 295216176
Diffstat (limited to 'pkg/sentry/vfs/dentry.go')
| -rw-r--r-- | pkg/sentry/vfs/dentry.go | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/pkg/sentry/vfs/dentry.go b/pkg/sentry/vfs/dentry.go index 486a76475..35b208721 100644 --- a/pkg/sentry/vfs/dentry.go +++ b/pkg/sentry/vfs/dentry.go @@ -71,6 +71,8 @@ import ( // lifetime. Dentry reference counts only indicate the extent to which VFS // requires Dentries to exist; Filesystems may elect to cache or discard // Dentries with zero references. +// +// +stateify savable type Dentry struct { // parent is this Dentry's parent in this Filesystem. If this Dentry is // independent, parent is nil. @@ -89,7 +91,7 @@ type Dentry struct { children map[string]*Dentry // mu synchronizes disowning and mounting over this Dentry. - mu sync.Mutex + mu sync.Mutex `state:"nosave"` // impl is the DentryImpl associated with this Dentry. impl is immutable. // This should be the last field in Dentry. |