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| author | Dean Deng <deandeng@google.com> | 2020-09-17 15:36:40 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-09-17 15:38:44 -0700 |
| commit | 319d1b8ba0604e7bc029f98ae0e9b09badd5abad (patch) | |
| tree | 59de10aebb09e3ee68dc5444fb9abafc070cffdb /pkg/sentry/kernel/pipe | |
| parent | 8070cc3386d461752dc0e601f8a11f8b54f482a6 (diff) | |
Complete vfs2 implementation of fallocate.
This change includes overlay, special regular gofer files, and hostfs.
Fixes #3589.
PiperOrigin-RevId: 332330860
Diffstat (limited to 'pkg/sentry/kernel/pipe')
| -rw-r--r-- | pkg/sentry/kernel/pipe/vfs.go | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/pkg/sentry/kernel/pipe/vfs.go b/pkg/sentry/kernel/pipe/vfs.go index f223d59e1..f61039f5b 100644 --- a/pkg/sentry/kernel/pipe/vfs.go +++ b/pkg/sentry/kernel/pipe/vfs.go @@ -67,6 +67,11 @@ func (vp *VFSPipe) ReaderWriterPair(mnt *vfs.Mount, vfsd *vfs.Dentry, statusFlag return vp.newFD(mnt, vfsd, linux.O_RDONLY|statusFlags, locks), vp.newFD(mnt, vfsd, linux.O_WRONLY|statusFlags, locks) } +// Allocate implements vfs.FileDescriptionImpl.Allocate. +func (*VFSPipe) Allocate(context.Context, uint64, uint64, uint64) error { + return syserror.ESPIPE +} + // Open opens the pipe represented by vp. func (vp *VFSPipe) Open(ctx context.Context, mnt *vfs.Mount, vfsd *vfs.Dentry, statusFlags uint32, locks *vfs.FileLocks) (*vfs.FileDescription, error) { vp.mu.Lock() |