Lines Matching refs:bh
51 struct buffer_head *bh; in affs_grow_extcache() local
100 bh = affs_bread(sb, key); in affs_grow_extcache()
101 if (!bh) in affs_grow_extcache()
103 key = be32_to_cpu(AFFS_TAIL(sb, bh)->extension); in affs_grow_extcache()
104 affs_brelse(bh); in affs_grow_extcache()
118 affs_alloc_extblock(struct inode *inode, struct buffer_head *bh, u32 ext) in affs_alloc_extblock() argument
124 blocknr = affs_alloc_block(inode, bh->b_blocknr); in affs_alloc_extblock()
142 tmp = be32_to_cpu(AFFS_TAIL(sb, bh)->extension); in affs_alloc_extblock()
145 AFFS_TAIL(sb, bh)->extension = cpu_to_be32(blocknr); in affs_alloc_extblock()
146 affs_adjust_checksum(bh, blocknr - tmp); in affs_alloc_extblock()
147 mark_buffer_dirty_inode(bh, inode); in affs_alloc_extblock()
159 struct buffer_head *bh = AFFS_I(inode)->i_ext_bh; in affs_get_extblock() local
161 get_bh(bh); in affs_get_extblock()
164 bh = affs_get_extblock_slow(inode, ext); in affs_get_extblock()
166 return bh; in affs_get_extblock()
173 struct buffer_head *bh; in affs_get_extblock_slow() local
180 bh = AFFS_I(inode)->i_ext_bh; in affs_get_extblock_slow()
181 ext_key = be32_to_cpu(AFFS_TAIL(sb, bh)->extension); in affs_get_extblock_slow()
185 bh = affs_alloc_extblock(inode, bh, ext); in affs_get_extblock_slow()
186 if (IS_ERR(bh)) in affs_get_extblock_slow()
187 return bh; in affs_get_extblock_slow()
207 bh = affs_alloc_extblock(inode, prev_bh, ext); in affs_get_extblock_slow()
209 if (IS_ERR(bh)) in affs_get_extblock_slow()
210 return bh; in affs_get_extblock_slow()
258 bh = affs_bread(sb, ext_key); in affs_get_extblock_slow()
259 if (!bh) in affs_get_extblock_slow()
261 ext_key = be32_to_cpu(AFFS_TAIL(sb, bh)->extension); in affs_get_extblock_slow()
262 affs_brelse(bh); in affs_get_extblock_slow()
275 bh = affs_bread(sb, ext_key); in affs_get_extblock_slow()
276 if (!bh) in affs_get_extblock_slow()
284 AFFS_I(inode)->i_ext_bh = bh; in affs_get_extblock_slow()
285 get_bh(bh); in affs_get_extblock_slow()
287 return bh; in affs_get_extblock_slow()
290 affs_brelse(bh); in affs_get_extblock_slow()
448 struct buffer_head *bh, tmp_bh; in affs_bread_ino() local
454 bh = affs_bread(inode->i_sb, tmp_bh.b_blocknr); in affs_bread_ino()
455 if (bh) { in affs_bread_ino()
456 bh->b_state |= tmp_bh.b_state; in affs_bread_ino()
457 return bh; in affs_bread_ino()
467 struct buffer_head *bh, tmp_bh; in affs_getzeroblk_ino() local
473 bh = affs_getzeroblk(inode->i_sb, tmp_bh.b_blocknr); in affs_getzeroblk_ino()
474 if (bh) { in affs_getzeroblk_ino()
475 bh->b_state |= tmp_bh.b_state; in affs_getzeroblk_ino()
476 return bh; in affs_getzeroblk_ino()
486 struct buffer_head *bh, tmp_bh; in affs_getemptyblk_ino() local
492 bh = affs_getemptyblk(inode->i_sb, tmp_bh.b_blocknr); in affs_getemptyblk_ino()
493 if (bh) { in affs_getemptyblk_ino()
494 bh->b_state |= tmp_bh.b_state; in affs_getemptyblk_ino()
495 return bh; in affs_getemptyblk_ino()
507 struct buffer_head *bh; in affs_do_readpage_ofs() local
522 bh = affs_bread_ino(inode, bidx, create); in affs_do_readpage_ofs()
523 if (IS_ERR(bh)) in affs_do_readpage_ofs()
524 return PTR_ERR(bh); in affs_do_readpage_ofs()
528 memcpy(data + pos, AFFS_DATA(bh) + boff, tmp); in affs_do_readpage_ofs()
530 affs_brelse(bh); in affs_do_readpage_ofs()
543 struct buffer_head *bh, *prev_bh; in affs_extent_file_ofs() local
550 bh = NULL; in affs_extent_file_ofs()
555 bh = affs_bread_ino(inode, bidx, 0); in affs_extent_file_ofs()
556 if (IS_ERR(bh)) in affs_extent_file_ofs()
557 return PTR_ERR(bh); in affs_extent_file_ofs()
560 memset(AFFS_DATA(bh) + boff, 0, tmp); in affs_extent_file_ofs()
561 be32_add_cpu(&AFFS_DATA_HEAD(bh)->size, tmp); in affs_extent_file_ofs()
562 affs_fix_checksum(sb, bh); in affs_extent_file_ofs()
563 mark_buffer_dirty_inode(bh, inode); in affs_extent_file_ofs()
567 bh = affs_bread_ino(inode, bidx - 1, 0); in affs_extent_file_ofs()
568 if (IS_ERR(bh)) in affs_extent_file_ofs()
569 return PTR_ERR(bh); in affs_extent_file_ofs()
573 prev_bh = bh; in affs_extent_file_ofs()
574 bh = affs_getzeroblk_ino(inode, bidx); in affs_extent_file_ofs()
575 if (IS_ERR(bh)) in affs_extent_file_ofs()
579 AFFS_DATA_HEAD(bh)->ptype = cpu_to_be32(T_DATA); in affs_extent_file_ofs()
580 AFFS_DATA_HEAD(bh)->key = cpu_to_be32(inode->i_ino); in affs_extent_file_ofs()
581 AFFS_DATA_HEAD(bh)->sequence = cpu_to_be32(bidx); in affs_extent_file_ofs()
582 AFFS_DATA_HEAD(bh)->size = cpu_to_be32(tmp); in affs_extent_file_ofs()
583 affs_fix_checksum(sb, bh); in affs_extent_file_ofs()
584 bh->b_state &= ~(1UL << BH_New); in affs_extent_file_ofs()
585 mark_buffer_dirty_inode(bh, inode); in affs_extent_file_ofs()
593 AFFS_DATA_HEAD(prev_bh)->next = cpu_to_be32(bh->b_blocknr); in affs_extent_file_ofs()
594 affs_adjust_checksum(prev_bh, bh->b_blocknr - tmp_next); in affs_extent_file_ofs()
601 affs_brelse(bh); in affs_extent_file_ofs()
607 return PTR_ERR(bh); in affs_extent_file_ofs()
675 struct buffer_head *bh, *prev_bh; in affs_write_end_ofs() local
695 bh = NULL; in affs_write_end_ofs()
701 bh = affs_bread_ino(inode, bidx, 0); in affs_write_end_ofs()
702 if (IS_ERR(bh)) { in affs_write_end_ofs()
703 written = PTR_ERR(bh); in affs_write_end_ofs()
708 memcpy(AFFS_DATA(bh) + boff, data + from, tmp); in affs_write_end_ofs()
709 be32_add_cpu(&AFFS_DATA_HEAD(bh)->size, tmp); in affs_write_end_ofs()
710 affs_fix_checksum(sb, bh); in affs_write_end_ofs()
711 mark_buffer_dirty_inode(bh, inode); in affs_write_end_ofs()
716 bh = affs_bread_ino(inode, bidx - 1, 0); in affs_write_end_ofs()
717 if (IS_ERR(bh)) { in affs_write_end_ofs()
718 written = PTR_ERR(bh); in affs_write_end_ofs()
723 prev_bh = bh; in affs_write_end_ofs()
724 bh = affs_getemptyblk_ino(inode, bidx); in affs_write_end_ofs()
725 if (IS_ERR(bh)) in affs_write_end_ofs()
727 memcpy(AFFS_DATA(bh), data + from, bsize); in affs_write_end_ofs()
728 if (buffer_new(bh)) { in affs_write_end_ofs()
729 AFFS_DATA_HEAD(bh)->ptype = cpu_to_be32(T_DATA); in affs_write_end_ofs()
730 AFFS_DATA_HEAD(bh)->key = cpu_to_be32(inode->i_ino); in affs_write_end_ofs()
731 AFFS_DATA_HEAD(bh)->sequence = cpu_to_be32(bidx); in affs_write_end_ofs()
732 AFFS_DATA_HEAD(bh)->size = cpu_to_be32(bsize); in affs_write_end_ofs()
733 AFFS_DATA_HEAD(bh)->next = 0; in affs_write_end_ofs()
734 bh->b_state &= ~(1UL << BH_New); in affs_write_end_ofs()
742 AFFS_DATA_HEAD(prev_bh)->next = cpu_to_be32(bh->b_blocknr); in affs_write_end_ofs()
743 affs_adjust_checksum(prev_bh, bh->b_blocknr - tmp_next); in affs_write_end_ofs()
748 affs_fix_checksum(sb, bh); in affs_write_end_ofs()
749 mark_buffer_dirty_inode(bh, inode); in affs_write_end_ofs()
755 prev_bh = bh; in affs_write_end_ofs()
756 bh = affs_bread_ino(inode, bidx, 1); in affs_write_end_ofs()
757 if (IS_ERR(bh)) in affs_write_end_ofs()
761 memcpy(AFFS_DATA(bh), data + from, tmp); in affs_write_end_ofs()
762 if (buffer_new(bh)) { in affs_write_end_ofs()
763 AFFS_DATA_HEAD(bh)->ptype = cpu_to_be32(T_DATA); in affs_write_end_ofs()
764 AFFS_DATA_HEAD(bh)->key = cpu_to_be32(inode->i_ino); in affs_write_end_ofs()
765 AFFS_DATA_HEAD(bh)->sequence = cpu_to_be32(bidx); in affs_write_end_ofs()
766 AFFS_DATA_HEAD(bh)->size = cpu_to_be32(tmp); in affs_write_end_ofs()
767 AFFS_DATA_HEAD(bh)->next = 0; in affs_write_end_ofs()
768 bh->b_state &= ~(1UL << BH_New); in affs_write_end_ofs()
776 AFFS_DATA_HEAD(prev_bh)->next = cpu_to_be32(bh->b_blocknr); in affs_write_end_ofs()
777 affs_adjust_checksum(prev_bh, bh->b_blocknr - tmp_next); in affs_write_end_ofs()
780 } else if (be32_to_cpu(AFFS_DATA_HEAD(bh)->size) < tmp) in affs_write_end_ofs()
781 AFFS_DATA_HEAD(bh)->size = cpu_to_be32(tmp); in affs_write_end_ofs()
783 affs_fix_checksum(sb, bh); in affs_write_end_ofs()
784 mark_buffer_dirty_inode(bh, inode); in affs_write_end_ofs()
792 affs_brelse(bh); in affs_write_end_ofs()
804 bh = prev_bh; in affs_write_end_ofs()
806 written = PTR_ERR(bh); in affs_write_end_ofs()
919 struct buffer_head *bh = affs_bread_ino(inode, last_blk, 0); in affs_truncate() local
921 if (IS_ERR(bh)) { in affs_truncate()
924 ext, PTR_ERR(bh)); in affs_truncate()
927 tmp = be32_to_cpu(AFFS_DATA_HEAD(bh)->next); in affs_truncate()
928 AFFS_DATA_HEAD(bh)->next = 0; in affs_truncate()
929 affs_adjust_checksum(bh, -tmp); in affs_truncate()
930 affs_brelse(bh); in affs_truncate()