d_fsd 84 fs/debugfs/file.c void *d_fsd; d_fsd 86 fs/debugfs/file.c d_fsd = READ_ONCE(dentry->d_fsdata); d_fsd 87 fs/debugfs/file.c if (!((unsigned long)d_fsd & DEBUGFS_FSDATA_IS_REAL_FOPS_BIT)) { d_fsd 88 fs/debugfs/file.c fsd = d_fsd; d_fsd 94 fs/debugfs/file.c fsd->real_fops = (void *)((unsigned long)d_fsd & d_fsd 98 fs/debugfs/file.c if (cmpxchg(&dentry->d_fsdata, d_fsd, fsd) != d_fsd) {