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| author | Fabricio Voznika <fvoznika@google.com> | 2019-05-09 15:34:44 -0700 |
|---|---|---|
| committer | Shentubot <shentubot@google.com> | 2019-05-09 15:35:49 -0700 |
| commit | 1bee43be13549b01e18d87df194ac219845de5cf (patch) | |
| tree | 4b93064a7ec8b7de2cd515a692f11f0fc311b483 /pkg/sentry/fs/inode_overlay.go | |
| parent | 0f4be95a336bd5dbf214bc40eb5d1bbb5fce36a4 (diff) | |
Implement fallocate(2)
Closes #225
PiperOrigin-RevId: 247508791
Change-Id: I04f47cf2770b30043e5a272aba4ba6e11d0476cc
Diffstat (limited to 'pkg/sentry/fs/inode_overlay.go')
| -rw-r--r-- | pkg/sentry/fs/inode_overlay.go | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/pkg/sentry/fs/inode_overlay.go b/pkg/sentry/fs/inode_overlay.go index 3d015328e..ead487097 100644 --- a/pkg/sentry/fs/inode_overlay.go +++ b/pkg/sentry/fs/inode_overlay.go @@ -582,6 +582,13 @@ func overlayTruncate(ctx context.Context, o *overlayEntry, d *Dirent, size int64 return o.upper.InodeOperations.Truncate(ctx, o.upper, size) } +func overlayAllocate(ctx context.Context, o *overlayEntry, d *Dirent, offset, length int64) error { + if err := copyUp(ctx, d); err != nil { + return err + } + return o.upper.InodeOperations.Allocate(ctx, o.upper, offset, length) +} + func overlayReadlink(ctx context.Context, o *overlayEntry) (string, error) { o.copyMu.RLock() defer o.copyMu.RUnlock() |