62 #define DIRECT_BLOCK ((inode->i_size + uspi->s_bsize - 1) >> uspi->s_bshift)
63 #define DIRECT_FRAGMENT ((inode->i_size + uspi->s_fsize - 1) >> uspi->s_fshift)
70 	struct ufs_sb_private_info * uspi;  in ufs_trunc_direct()  local
80 	uspi = UFS_SB(sb)->s_uspi;  in ufs_trunc_direct()
88 	frag2 = ((frag1 & uspi->s_fpbmask) ? ((frag1 | uspi->s_fpbmask) + 1) : frag1);  in ufs_trunc_direct()
89 	frag3 = frag4 & ~uspi->s_fpbmask;  in ufs_trunc_direct()
111 	p = ufs_get_direct_data_ptr(uspi, ufsi, ufs_fragstoblks(frag1));  in ufs_trunc_direct()
127 		p = ufs_get_direct_data_ptr(uspi, ufsi, i);  in ufs_trunc_direct()
131 		ufs_data_ptr_clear(uspi, p);  in ufs_trunc_direct()
135 			free_count = uspi->s_fpb;  in ufs_trunc_direct()
137 			free_count += uspi->s_fpb;  in ufs_trunc_direct()
141 			free_count = uspi->s_fpb;  in ufs_trunc_direct()
155 	p = ufs_get_direct_data_ptr(uspi, ufsi, ufs_fragstoblks(frag3));  in ufs_trunc_direct()
160 	ufs_data_ptr_clear(uspi, p);  in ufs_trunc_direct()
174 	struct ufs_sb_private_info * uspi;  in ufs_trunc_indirect()  local
187 	uspi = UFS_SB(sb)->s_uspi;  in ufs_trunc_indirect()
196 	ind_ubh = ubh_bread(sb, tmp, uspi->s_bsize);  in ufs_trunc_indirect()
202 		ufs_data_ptr_clear(uspi, p);  in ufs_trunc_indirect()
207 	for (i = indirect_block; i < uspi->s_apb; i++) {  in ufs_trunc_indirect()
208 		ind = ubh_get_data_ptr(uspi, ind_ubh, i);  in ufs_trunc_indirect()
213 		ufs_data_ptr_clear(uspi, ind);  in ufs_trunc_indirect()
217 			free_count = uspi->s_fpb;  in ufs_trunc_indirect()
219 			free_count += uspi->s_fpb;  in ufs_trunc_indirect()
223 			free_count = uspi->s_fpb;  in ufs_trunc_indirect()
232 	for (i = 0; i < uspi->s_apb; i++)  in ufs_trunc_indirect()
233 		if (!ufs_is_data_ptr_zero(uspi,  in ufs_trunc_indirect()
234 					  ubh_get_data_ptr(uspi, ind_ubh, i)))  in ufs_trunc_indirect()
236 	if (i >= uspi->s_apb) {  in ufs_trunc_indirect()
238 		ufs_data_ptr_clear(uspi, p);  in ufs_trunc_indirect()
240 		ufs_free_blocks (inode, tmp, uspi->s_fpb);  in ufs_trunc_indirect()
257 	struct ufs_sb_private_info * uspi;  in ufs_trunc_dindirect()  local
266 	uspi = UFS_SB(sb)->s_uspi;  in ufs_trunc_dindirect()
269 		? ((DIRECT_BLOCK - offset) >> uspi->s_apbshift) : 0;  in ufs_trunc_dindirect()
275 	dind_bh = ubh_bread(sb, tmp, uspi->s_bsize);  in ufs_trunc_dindirect()
281 		ufs_data_ptr_clear(uspi, p);  in ufs_trunc_dindirect()
285 	for (i = dindirect_block ; i < uspi->s_apb ; i++) {  in ufs_trunc_dindirect()
286 		dind = ubh_get_data_ptr(uspi, dind_bh, i);  in ufs_trunc_dindirect()
290 		retry |= ufs_trunc_indirect (inode, offset + (i << uspi->s_apbshift), dind);  in ufs_trunc_dindirect()
294 	for (i = 0; i < uspi->s_apb; i++)  in ufs_trunc_dindirect()
295 		if (!ufs_is_data_ptr_zero(uspi,  in ufs_trunc_dindirect()
296 					  ubh_get_data_ptr(uspi, dind_bh, i)))  in ufs_trunc_dindirect()
298 	if (i >= uspi->s_apb) {  in ufs_trunc_dindirect()
300 		ufs_data_ptr_clear(uspi, p);  in ufs_trunc_dindirect()
302 		ufs_free_blocks(inode, tmp, uspi->s_fpb);  in ufs_trunc_dindirect()
319 	struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;  in ufs_trunc_tindirect()  local
330 	tindirect_block = (DIRECT_BLOCK > (UFS_NDADDR + uspi->s_apb + uspi->s_2apb))  in ufs_trunc_tindirect()
331 		? ((DIRECT_BLOCK - UFS_NDADDR - uspi->s_apb - uspi->s_2apb) >> uspi->s_2apbshift) : 0;  in ufs_trunc_tindirect()
333 	p = ufs_get_direct_data_ptr(uspi, ufsi, UFS_TIND_BLOCK);  in ufs_trunc_tindirect()
336 	tind_bh = ubh_bread (sb, tmp, uspi->s_bsize);  in ufs_trunc_tindirect()
342 		ufs_data_ptr_clear(uspi, p);  in ufs_trunc_tindirect()
346 	for (i = tindirect_block ; i < uspi->s_apb ; i++) {  in ufs_trunc_tindirect()
347 		tind = ubh_get_data_ptr(uspi, tind_bh, i);  in ufs_trunc_tindirect()
349 			uspi->s_apb + ((i + 1) << uspi->s_2apbshift), tind);  in ufs_trunc_tindirect()
352 	for (i = 0; i < uspi->s_apb; i++)  in ufs_trunc_tindirect()
353 		if (!ufs_is_data_ptr_zero(uspi,  in ufs_trunc_tindirect()
354 					  ubh_get_data_ptr(uspi, tind_bh, i)))  in ufs_trunc_tindirect()
356 	if (i >= uspi->s_apb) {  in ufs_trunc_tindirect()
358 		ufs_data_ptr_clear(uspi, p);  in ufs_trunc_tindirect()
360 		ufs_free_blocks(inode, tmp, uspi->s_fpb);  in ufs_trunc_tindirect()
378 	struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;  in ufs_alloc_lastblock()  local
385 	lastfrag = (i_size_read(inode) + uspi->s_fsize - 1) >> uspi->s_fshift;  in ufs_alloc_lastblock()
424 	       end = uspi->s_fpb - ufs_fragnum(lastfrag) - 1;  in ufs_alloc_lastblock()
447 	struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;  in ufs_truncate()  local
472 					    ufs_get_direct_data_ptr(uspi, ufsi,  in ufs_truncate()
474 		retry |= ufs_trunc_dindirect(inode, UFS_IND_BLOCK + uspi->s_apb,  in ufs_truncate()
475 					     ufs_get_direct_data_ptr(uspi, ufsi,  in ufs_truncate()