struct file *file;
struct work_struct work;
bool datasync;
+ struct cred *creds;
};
struct poll_iocb {
static void aio_fsync_work(struct work_struct *work)
{
struct aio_kiocb *iocb = container_of(work, struct aio_kiocb, fsync.work);
+ const struct cred *old_cred = override_creds(iocb->fsync.creds);
iocb->ki_res.res = vfs_fsync(iocb->fsync.file, iocb->fsync.datasync);
+ revert_creds(old_cred);
+ put_cred(iocb->fsync.creds);
iocb_put(iocb);
}
if (unlikely(!req->file->f_op->fsync))
return -EINVAL;
+ req->creds = prepare_creds();
+ if (!req->creds)
+ return -ENOMEM;
+
req->datasync = datasync;
INIT_WORK(&req->work, aio_fsync_work);
schedule_work(&req->work);