void make_empty_dir_item(char *body, __le32 dirid, __le32 objid,
__le32 par_dirid, __le32 par_objid)
{
struct reiserfs_de_head *deh;
memset(body, 0, EMPTY_DIR_SIZE);
deh = (struct reiserfs_de_head *)body;
put_deh_offset(&(deh[0]), DOT_OFFSET);
deh[0].deh_dir_id = dirid;
deh[0].deh_objectid = objid;
deh[0].deh_state = 0;
put_deh_location(&(deh[0]), EMPTY_DIR_SIZE - ROUND_UP(strlen(".")));
mark_de_visible(&(deh[0]));
put_deh_offset(&(deh[1]), DOT_DOT_OFFSET);
deh[1].deh_dir_id = par_dirid;
deh[1].deh_objectid = par_objid;
deh[1].deh_state = 0;
put_deh_location(&(deh[1]),
deh_location(&(deh[0])) - ROUND_UP(strlen("..")));
mark_de_visible(&(deh[1]));
memcpy(body + deh_location(&(deh[0])), ".", 1);
memcpy(body + deh_location(&(deh[1])), "..", 2);
}
/* compose directory item containing "." and ".." entries */
void make_empty_dir_item (char * body, __u32 dirid, __u32 objid,
__u32 par_dirid, __u32 par_objid)
{
struct reiserfs_de_head * deh;
memset (body, 0, EMPTY_DIR_SIZE);
deh = (struct reiserfs_de_head *)body;
/* direntry header of "." */
put_deh_offset( &(deh[0]), DOT_OFFSET );
/* these two are from make_le_item_head, and are are LE */
deh[0].deh_dir_id = dirid;
deh[0].deh_objectid = objid;
deh[0].deh_state = 0; /* Endian safe if 0 */
put_deh_location( &(deh[0]), EMPTY_DIR_SIZE - ROUND_UP( strlen( "." ) ) );
mark_de_visible(&(deh[0]));
/* direntry header of ".." */
put_deh_offset( &(deh[1]), DOT_DOT_OFFSET );
/* key of ".." for the root directory */
/* these two are from the inode, and are are LE */
deh[1].deh_dir_id = par_dirid;
deh[1].deh_objectid = par_objid;
deh[1].deh_state = 0; /* Endian safe if 0 */
put_deh_location( &(deh[1]), deh_location( &(deh[0])) - ROUND_UP( strlen( ".." ) ) );
mark_de_visible(&(deh[1]));
/* copy ".." and "." */
memcpy (body + deh_location( &(deh[0]) ), ".", 1);
memcpy (body + deh_location( &(deh[1]) ), "..", 2);
}
/*
* compose directory item containing "." and ".." entries (entries are
* not aligned to 4 byte boundary)
*/
void make_empty_dir_item_v1(char *body, __le32 dirid, __le32 objid,
__le32 par_dirid, __le32 par_objid)
{
struct reiserfs_de_head *dot, *dotdot;
memset(body, 0, EMPTY_DIR_SIZE_V1);
dot = (struct reiserfs_de_head *)body;
dotdot = dot + 1;
/* direntry header of "." */
put_deh_offset(dot, DOT_OFFSET);
/* these two are from make_le_item_head, and are are LE */
dot->deh_dir_id = dirid;
dot->deh_objectid = objid;
dot->deh_state = 0; /* Endian safe if 0 */
put_deh_location(dot, EMPTY_DIR_SIZE_V1 - strlen("."));
mark_de_visible(dot);
/* direntry header of ".." */
put_deh_offset(dotdot, DOT_DOT_OFFSET);
/* key of ".." for the root directory */
/* these two are from the inode, and are are LE */
dotdot->deh_dir_id = par_dirid;
dotdot->deh_objectid = par_objid;
dotdot->deh_state = 0; /* Endian safe if 0 */
put_deh_location(dotdot, deh_location(dot) - strlen(".."));
mark_de_visible(dotdot);
/* copy ".." and "." */
memcpy(body + deh_location(dot), ".", 1);
memcpy(body + deh_location(dotdot), "..", 2);
}
