afs_dataversion_t
afs_dataversion_t data_version; /* current data version */
afs_dataversion_t dir_version, invalid_before;
struct file *file, afs_dataversion_t *_dir_version)
afs_dataversion_t dir_version;
afs_dataversion_t *_dir_version)
afs_dataversion_t data_version = READ_ONCE(dvnode->status.data_version);
struct afs_fid *_fid, afs_dataversion_t *_dir_version)
struct afs_fid *_fid, afs_dataversion_t *_dir_version);
afs_dataversion_t invalid_before; /* Child dentries are invalid before this */
afs_dataversion_t dv_before; /* Data version before the call */