From 319d1b8ba0604e7bc029f98ae0e9b09badd5abad Mon Sep 17 00:00:00 2001 From: Dean Deng Date: Thu, 17 Sep 2020 15:36:40 -0700 Subject: Complete vfs2 implementation of fallocate. This change includes overlay, special regular gofer files, and hostfs. Fixes #3589. PiperOrigin-RevId: 332330860 --- pkg/sentry/fsimpl/host/host.go | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) (limited to 'pkg/sentry/fsimpl/host') diff --git a/pkg/sentry/fsimpl/host/host.go b/pkg/sentry/fsimpl/host/host.go index 1bd0e4ee8..c4551562a 100644 --- a/pkg/sentry/fsimpl/host/host.go +++ b/pkg/sentry/fsimpl/host/host.go @@ -560,12 +560,7 @@ func (f *fileDescription) Release(context.Context) { // Allocate implements vfs.FileDescriptionImpl. func (f *fileDescription) Allocate(ctx context.Context, mode, offset, length uint64) error { - if !f.inode.seekable { - return syserror.ESPIPE - } - - // TODO(gvisor.dev/issue/3589): Implement Allocate for non-pipe hostfds. - return syserror.EOPNOTSUPP + return unix.Fallocate(f.inode.hostFD, uint32(mode), int64(offset), int64(length)) } // PRead implements FileDescriptionImpl. -- cgit v1.2.3