diff options
Diffstat (limited to 'pkg/sentry/fs/fsutil/inode.go')
| -rw-r--r-- | pkg/sentry/fs/fsutil/inode.go | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/pkg/sentry/fs/fsutil/inode.go b/pkg/sentry/fs/fsutil/inode.go index b6366d906..151be1d0d 100644 --- a/pkg/sentry/fs/fsutil/inode.go +++ b/pkg/sentry/fs/fsutil/inode.go @@ -34,6 +34,7 @@ type SimpleFileInode struct { InodeNoExtendedAttributes `state:"nosave"` InodeNoopRelease `state:"nosave"` InodeNoopWriteOut `state:"nosave"` + InodeNotAllocatable `state:"nosave"` InodeNotDirectory `state:"nosave"` InodeNotMappable `state:"nosave"` InodeNotOpenable `state:"nosave"` @@ -61,6 +62,7 @@ type NoReadWriteFileInode struct { InodeNoExtendedAttributes `state:"nosave"` InodeNoopRelease `state:"nosave"` InodeNoopWriteOut `state:"nosave"` + InodeNotAllocatable `state:"nosave"` InodeNotDirectory `state:"nosave"` InodeNotMappable `state:"nosave"` InodeNotSocket `state:"nosave"` @@ -465,3 +467,26 @@ func (InodeDenyWriteChecker) Check(ctx context.Context, inode *fs.Inode, p fs.Pe } return fs.ContextCanAccessFile(ctx, inode, p) } + +//InodeNotAllocatable can be used by Inodes that do not support Allocate(). +type InodeNotAllocatable struct{} + +func (InodeNotAllocatable) Allocate(_ context.Context, _ *fs.Inode, _, _ int64) error { + return syserror.EOPNOTSUPP +} + +// InodeNoopAllocate implements fs.InodeOperations.Allocate as a noop. +type InodeNoopAllocate struct{} + +// Allocate implements fs.InodeOperations.Allocate. +func (InodeNoopAllocate) Allocate(_ context.Context, _ *fs.Inode, _, _ int64) error { + return nil +} + +// InodeIsDirAllocate implements fs.InodeOperations.Allocate for directories. +type InodeIsDirAllocate struct{} + +// Allocate implements fs.InodeOperations.Allocate. +func (InodeIsDirAllocate) Allocate(_ context.Context, _ *fs.Inode, _, _ int64) error { + return syserror.EISDIR +} |