On Fri, Feb 25, 2022 at 10:53:26AM -0800, Stefan Roesch wrote: > One of the key architectual tenets is to keep the parameters for > io-uring stable. After the call has been submitted, its value can > be changed. Unfortunaltely this is not the case for the current statx > implementation. > > IO-Uring change: > This changes replaces the const char * filename pointer in the io_statx > structure with a struct filename *. In addition it also creates the > filename object during the prepare phase. > > With this change, the opcode also needs to invoke cleanup, so the > filename object gets freed after processing the request. > > fs change: > This replaces the const char* __user filename parameter in the two > functions do_statx and vfs_statx with a struct filename *. In addition > to be able to correctly construct a filename object a new helper > function getname_statx_lookup_flags is introduced. The function makes > sure that do_statx and vfs_statx is invoked with the correct lookup flags. > > Signed-off-by: Stefan Roesch <shr@xxxxxx> At least it doesn't break my KVM boots anymore: Tested-by: Luis Chamberlain <mcgrof@xxxxxxxxxx> Luis
