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Diffstat (limited to 'pkg/sentry/fs/inode_operations.go')
-rw-r--r--pkg/sentry/fs/inode_operations.go13
1 files changed, 12 insertions, 1 deletions
diff --git a/pkg/sentry/fs/inode_operations.go b/pkg/sentry/fs/inode_operations.go
index 70f2eae96..2bbfb72ef 100644
--- a/pkg/sentry/fs/inode_operations.go
+++ b/pkg/sentry/fs/inode_operations.go
@@ -190,7 +190,18 @@ type InodeOperations interface {
// ListXattr returns the set of all extended attributes names that
// have values. Inodes that do not support extended attributes return
// EOPNOTSUPP.
- ListXattr(ctx context.Context, inode *Inode) (map[string]struct{}, error)
+ //
+ // If this is called through the listxattr(2) syscall, size indicates the
+ // size of the buffer that the application has allocated to hold the
+ // attribute list. If the list would be larger than size, implementations may
+ // return ERANGE to indicate that the buffer is too small, but they are also
+ // free to ignore the hint entirely. All size checking is done independently
+ // at the syscall layer.
+ ListXattr(ctx context.Context, inode *Inode, size uint64) (map[string]struct{}, error)
+
+ // RemoveXattr removes an extended attribute specified by name. Inodes that
+ // do not support extended attributes return EOPNOTSUPP.
+ RemoveXattr(ctx context.Context, inode *Inode, name string) error
// Check determines whether an Inode can be accessed with the
// requested permission mask using the context (which gives access