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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/gofer/context_file.go | |
| parent | 0f4be95a336bd5dbf214bc40eb5d1bbb5fce36a4 (diff) | |
Implement fallocate(2)
Closes #225
PiperOrigin-RevId: 247508791
Change-Id: I04f47cf2770b30043e5a272aba4ba6e11d0476cc
Diffstat (limited to 'pkg/sentry/fs/gofer/context_file.go')
| -rw-r--r-- | pkg/sentry/fs/gofer/context_file.go | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/pkg/sentry/fs/gofer/context_file.go b/pkg/sentry/fs/gofer/context_file.go index 842a34af8..be53ac4d9 100644 --- a/pkg/sentry/fs/gofer/context_file.go +++ b/pkg/sentry/fs/gofer/context_file.go @@ -59,6 +59,13 @@ func (c *contextFile) setAttr(ctx context.Context, valid p9.SetAttrMask, attr p9 return err } +func (c *contextFile) allocate(ctx context.Context, mode p9.AllocateMode, offset, length uint64) error { + ctx.UninterruptibleSleepStart(false) + err := c.file.Allocate(mode, offset, length) + ctx.UninterruptibleSleepFinish(false) + return err +} + func (c *contextFile) rename(ctx context.Context, directory contextFile, name string) error { ctx.UninterruptibleSleepStart(false) err := c.file.Rename(directory.file, name) |