104 	struct xfs_buf	*bp;  in xlog_get_bp()  local
133 	bp = xfs_buf_get_uncached(log->l_mp->m_logdev_targp, nbblks, 0);  in xlog_get_bp()
134 	if (bp)  in xlog_get_bp()
135 		xfs_buf_unlock(bp);  in xlog_get_bp()
136 	return bp;  in xlog_get_bp()
141 	xfs_buf_t	*bp)  in xlog_put_bp()  argument
143 	xfs_buf_free(bp);  in xlog_put_bp()
155 	struct xfs_buf	*bp)  in xlog_align()  argument
159 	ASSERT(offset + nbblks <= bp->b_length);  in xlog_align()
160 	return bp->b_addr + BBTOB(offset);  in xlog_align()
172 	struct xfs_buf	*bp)  in xlog_bread_noalign()  argument
187 	ASSERT(nbblks <= bp->b_length);  in xlog_bread_noalign()
189 	XFS_BUF_SET_ADDR(bp, log->l_logBBstart + blk_no);  in xlog_bread_noalign()
190 	XFS_BUF_READ(bp);  in xlog_bread_noalign()
191 	bp->b_io_length = nbblks;  in xlog_bread_noalign()
192 	bp->b_error = 0;  in xlog_bread_noalign()
194 	error = xfs_buf_submit_wait(bp);  in xlog_bread_noalign()
196 		xfs_buf_ioerror_alert(bp, __func__);  in xlog_bread_noalign()
205 	struct xfs_buf	*bp,  in xlog_bread()  argument
210 	error = xlog_bread_noalign(log, blk_no, nbblks, bp);  in xlog_bread()
214 	*offset = xlog_align(log, blk_no, nbblks, bp);  in xlog_bread()
227 	struct xfs_buf	*bp,  in xlog_bread_offset()  argument
230 	xfs_caddr_t	orig_offset = bp->b_addr;  in xlog_bread_offset()
231 	int		orig_len = BBTOB(bp->b_length);  in xlog_bread_offset()
234 	error = xfs_buf_associate_memory(bp, offset, BBTOB(nbblks));  in xlog_bread_offset()
238 	error = xlog_bread_noalign(log, blk_no, nbblks, bp);  in xlog_bread_offset()
241 	error2 = xfs_buf_associate_memory(bp, orig_offset, orig_len);  in xlog_bread_offset()
257 	struct xfs_buf	*bp)  in xlog_bwrite()  argument
272 	ASSERT(nbblks <= bp->b_length);  in xlog_bwrite()
274 	XFS_BUF_SET_ADDR(bp, log->l_logBBstart + blk_no);  in xlog_bwrite()
275 	XFS_BUF_ZEROFLAGS(bp);  in xlog_bwrite()
276 	xfs_buf_hold(bp);  in xlog_bwrite()
277 	xfs_buf_lock(bp);  in xlog_bwrite()
278 	bp->b_io_length = nbblks;  in xlog_bwrite()
279 	bp->b_error = 0;  in xlog_bwrite()
281 	error = xfs_bwrite(bp);  in xlog_bwrite()
283 		xfs_buf_ioerror_alert(bp, __func__);  in xlog_bwrite()
284 	xfs_buf_relse(bp);  in xlog_bwrite()
368 	struct xfs_buf	*bp)  in xlog_recover_iodone()  argument
370 	if (bp->b_error) {  in xlog_recover_iodone()
375 		if (!XFS_FORCED_SHUTDOWN(bp->b_target->bt_mount)) {  in xlog_recover_iodone()
376 			xfs_buf_ioerror_alert(bp, __func__);  in xlog_recover_iodone()
377 			xfs_force_shutdown(bp->b_target->bt_mount,  in xlog_recover_iodone()
381 	bp->b_iodone = NULL;  in xlog_recover_iodone()
382 	xfs_buf_ioend(bp);  in xlog_recover_iodone()
394 	struct xfs_buf	*bp,  in xlog_find_cycle_start()  argument
408 		error = xlog_bread(log, mid_blk, 1, bp, &offset);  in xlog_find_cycle_start()
444 	xfs_buf_t	*bp;  in xlog_find_verify_cycle()  local
458 	while (!(bp = xlog_get_bp(log, bufblks))) {  in xlog_find_verify_cycle()
469 		error = xlog_bread(log, i, bcount, bp, &buf);  in xlog_find_verify_cycle()
487 	xlog_put_bp(bp);  in xlog_find_verify_cycle()
511 	xfs_buf_t		*bp;  in xlog_find_verify_log_record()  local
521 	if (!(bp = xlog_get_bp(log, num_blks))) {  in xlog_find_verify_log_record()
522 		if (!(bp = xlog_get_bp(log, 1)))  in xlog_find_verify_log_record()
526 		error = xlog_bread(log, start_blk, num_blks, bp, &offset);  in xlog_find_verify_log_record()
543 			error = xlog_bread(log, i, 1, bp, &offset);  in xlog_find_verify_log_record()
596 	xlog_put_bp(bp);  in xlog_find_verify_log_record()
618 	xfs_buf_t	*bp;  in xlog_find_head()  local
648 	bp = xlog_get_bp(log, 1);  in xlog_find_head()
649 	if (!bp)  in xlog_find_head()
652 	error = xlog_bread(log, 0, 1, bp, &offset);  in xlog_find_head()
659 	error = xlog_bread(log, last_blk, 1, bp, &offset);  in xlog_find_head()
729 		if ((error = xlog_find_cycle_start(log, bp, first_blk,  in xlog_find_head()
849 	xlog_put_bp(bp);  in xlog_find_head()
863 	xlog_put_bp(bp);  in xlog_find_head()
895 	xfs_buf_t		*bp;  in xlog_find_tail()  local
910 	bp = xlog_get_bp(log, 1);  in xlog_find_tail()
911 	if (!bp)  in xlog_find_tail()
914 		error = xlog_bread(log, 0, 1, bp, &offset);  in xlog_find_tail()
930 		error = xlog_bread(log, i, 1, bp, &offset);  in xlog_find_tail()
947 			error = xlog_bread(log, i, 1, bp, &offset);  in xlog_find_tail()
960 		xlog_put_bp(bp);  in xlog_find_tail()
1023 		error = xlog_bread(log, umount_data_blk, 1, bp, &offset);  in xlog_find_tail()
1073 	xlog_put_bp(bp);  in xlog_find_tail()
1101 	xfs_buf_t	*bp;  in xlog_find_zeroed()  local
1111 	bp = xlog_get_bp(log, 1);  in xlog_find_zeroed()
1112 	if (!bp)  in xlog_find_zeroed()
1114 	error = xlog_bread(log, 0, 1, bp, &offset);  in xlog_find_zeroed()
1121 		xlog_put_bp(bp);  in xlog_find_zeroed()
1126 	error = xlog_bread(log, log_bbnum-1, 1, bp, &offset);  in xlog_find_zeroed()
1132 		xlog_put_bp(bp);  in xlog_find_zeroed()
1148 	if ((error = xlog_find_cycle_start(log, bp, 0, &last_blk, 0)))  in xlog_find_zeroed()
1188 	xlog_put_bp(bp);  in xlog_find_zeroed()
1231 	xfs_buf_t	*bp;  in xlog_write_log_records()  local
1248 	while (!(bp = xlog_get_bp(log, bufblks))) {  in xlog_write_log_records()
1260 		error = xlog_bread_noalign(log, start_block, 1, bp);  in xlog_write_log_records()
1279 			offset = bp->b_addr + BBTOB(ealign - start_block);  in xlog_write_log_records()
1281 							bp, offset);  in xlog_write_log_records()
1287 		offset = xlog_align(log, start_block, endcount, bp);  in xlog_write_log_records()
1293 		error = xlog_bwrite(log, start_block, endcount, bp);  in xlog_write_log_records()
1301 	xlog_put_bp(bp);  in xlog_write_log_records()
1707 	struct xfs_buf		*bp,  in xlog_recover_do_inode_buffer()  argument
1728 		bp->b_ops = &xfs_inode_buf_ops;  in xlog_recover_do_inode_buffer()
1730 	inodes_per_buf = BBTOB(bp->b_io_length) >> mp->m_sb.sb_inodelog;  in xlog_recover_do_inode_buffer()
1773 							BBTOB(bp->b_io_length));  in xlog_recover_do_inode_buffer()
1786 				item, bp);  in xlog_recover_do_inode_buffer()
1792 		buffer_nextp = (xfs_agino_t *)xfs_buf_offset(bp,  in xlog_recover_do_inode_buffer()
1802 				xfs_buf_offset(bp, i * mp->m_sb.sb_inodesize));  in xlog_recover_do_inode_buffer()
1832 	struct xfs_buf		*bp)  in xlog_recover_get_buf_lsn()  argument
1837 	void			*blk = bp->b_addr;  in xlog_recover_get_buf_lsn()
1968 	struct xfs_buf		*bp,  in xlog_recover_validate_buf_type()  argument
1971 	struct xfs_da_blkinfo	*info = bp->b_addr;  in xlog_recover_validate_buf_type()
1987 	magic32 = be32_to_cpu(*(__be32 *)bp->b_addr);  in xlog_recover_validate_buf_type()
1988 	magic16 = be16_to_cpu(*(__be16*)bp->b_addr);  in xlog_recover_validate_buf_type()
1997 			bp->b_ops = &xfs_allocbt_buf_ops;  in xlog_recover_validate_buf_type()
2003 			bp->b_ops = &xfs_inobt_buf_ops;  in xlog_recover_validate_buf_type()
2007 			bp->b_ops = &xfs_bmbt_buf_ops;  in xlog_recover_validate_buf_type()
2021 		bp->b_ops = &xfs_agf_buf_ops;  in xlog_recover_validate_buf_type()
2029 		bp->b_ops = &xfs_agfl_buf_ops;  in xlog_recover_validate_buf_type()
2037 		bp->b_ops = &xfs_agi_buf_ops;  in xlog_recover_validate_buf_type()
2048 		bp->b_ops = &xfs_dquot_buf_ops;  in xlog_recover_validate_buf_type()
2061 		bp->b_ops = &xfs_inode_buf_ops;  in xlog_recover_validate_buf_type()
2069 		bp->b_ops = &xfs_symlink_buf_ops;  in xlog_recover_validate_buf_type()
2078 		bp->b_ops = &xfs_dir3_block_buf_ops;  in xlog_recover_validate_buf_type()
2087 		bp->b_ops = &xfs_dir3_data_buf_ops;  in xlog_recover_validate_buf_type()
2096 		bp->b_ops = &xfs_dir3_free_buf_ops;  in xlog_recover_validate_buf_type()
2105 		bp->b_ops = &xfs_dir3_leaf1_buf_ops;  in xlog_recover_validate_buf_type()
2114 		bp->b_ops = &xfs_dir3_leafn_buf_ops;  in xlog_recover_validate_buf_type()
2123 		bp->b_ops = &xfs_da3_node_buf_ops;  in xlog_recover_validate_buf_type()
2132 		bp->b_ops = &xfs_attr3_leaf_buf_ops;  in xlog_recover_validate_buf_type()
2140 		bp->b_ops = &xfs_attr3_rmt_buf_ops;  in xlog_recover_validate_buf_type()
2148 		bp->b_ops = &xfs_sb_buf_ops;  in xlog_recover_validate_buf_type()
2167 	struct xfs_buf		*bp,  in xlog_recover_do_reg_buffer()  argument
2189 		ASSERT(BBTOB(bp->b_io_length) >=  in xlog_recover_do_reg_buffer()
2229 		memcpy(xfs_buf_offset(bp,  in xlog_recover_do_reg_buffer()
2241 	xlog_recover_validate_buf_type(mp, bp, buf_f);  in xlog_recover_do_reg_buffer()
2258 	struct xfs_buf			*bp,  in xlog_recover_do_dquot_buffer()  argument
2284 	xlog_recover_do_reg_buffer(mp, item, bp, buf_f);  in xlog_recover_do_dquot_buffer()
2320 	xfs_buf_t		*bp;  in xlog_recover_buffer_pass2()  local
2341 	bp = xfs_buf_read(mp->m_ddev_targp, buf_f->blf_blkno, buf_f->blf_len,  in xlog_recover_buffer_pass2()
2343 	if (!bp)  in xlog_recover_buffer_pass2()
2345 	error = bp->b_error;  in xlog_recover_buffer_pass2()
2347 		xfs_buf_ioerror_alert(bp, "xlog_recover_do..(read#1)");  in xlog_recover_buffer_pass2()
2370 	lsn = xlog_recover_get_buf_lsn(mp, bp);  in xlog_recover_buffer_pass2()
2372 		xlog_recover_validate_buf_type(mp, bp, buf_f);  in xlog_recover_buffer_pass2()
2377 		error = xlog_recover_do_inode_buffer(mp, item, bp, buf_f);  in xlog_recover_buffer_pass2()
2384 		dirty = xlog_recover_do_dquot_buffer(mp, log, item, bp, buf_f);  in xlog_recover_buffer_pass2()
2388 		xlog_recover_do_reg_buffer(mp, item, bp, buf_f);  in xlog_recover_buffer_pass2()
2407 	    be16_to_cpu(*((__be16 *)xfs_buf_offset(bp, 0))) &&  in xlog_recover_buffer_pass2()
2408 	    (BBTOB(bp->b_io_length) != MAX(log->l_mp->m_sb.sb_blocksize,  in xlog_recover_buffer_pass2()
2410 		xfs_buf_stale(bp);  in xlog_recover_buffer_pass2()
2411 		error = xfs_bwrite(bp);  in xlog_recover_buffer_pass2()
2413 		ASSERT(bp->b_target->bt_mount == mp);  in xlog_recover_buffer_pass2()
2414 		bp->b_iodone = xlog_recover_iodone;  in xlog_recover_buffer_pass2()
2415 		xfs_buf_delwri_queue(bp, buffer_list);  in xlog_recover_buffer_pass2()
2419 	xfs_buf_relse(bp);  in xlog_recover_buffer_pass2()
2508 	xfs_buf_t		*bp;  in xlog_recover_inode_pass2()  local
2542 	bp = xfs_buf_read(mp->m_ddev_targp, in_f->ilf_blkno, in_f->ilf_len, 0,  in xlog_recover_inode_pass2()
2544 	if (!bp) {  in xlog_recover_inode_pass2()
2548 	error = bp->b_error;  in xlog_recover_inode_pass2()
2550 		xfs_buf_ioerror_alert(bp, "xlog_recover_do..(read#2)");  in xlog_recover_inode_pass2()
2554 	dip = (xfs_dinode_t *)xfs_buf_offset(bp, in_f->ilf_boffset);  in xlog_recover_inode_pass2()
2563 			__func__, dip, bp, in_f->ilf_ino);  in xlog_recover_inode_pass2()
2632 				__func__, item, dip, bp, in_f->ilf_ino);  in xlog_recover_inode_pass2()
2645 				__func__, item, dip, bp, in_f->ilf_ino);  in xlog_recover_inode_pass2()
2656 			__func__, item, dip, bp, in_f->ilf_ino,  in xlog_recover_inode_pass2()
2668 			item, dip, bp, in_f->ilf_ino, dicp->di_forkoff);  in xlog_recover_inode_pass2()
2779 	ASSERT(bp->b_target->bt_mount == mp);  in xlog_recover_inode_pass2()
2780 	bp->b_iodone = xlog_recover_iodone;  in xlog_recover_inode_pass2()
2781 	xfs_buf_delwri_queue(bp, buffer_list);  in xlog_recover_inode_pass2()
2784 	xfs_buf_relse(bp);  in xlog_recover_inode_pass2()
2829 	xfs_buf_t		*bp;  in xlog_recover_dquot_pass2()  local
2887 				   XFS_FSB_TO_BB(mp, dq_f->qlf_len), 0, &bp,  in xlog_recover_dquot_pass2()
2892 	ASSERT(bp);  in xlog_recover_dquot_pass2()
2893 	ddq = (xfs_disk_dquot_t *)xfs_buf_offset(bp, dq_f->qlf_boffset);  in xlog_recover_dquot_pass2()
2915 	ASSERT(bp->b_target->bt_mount == mp);  in xlog_recover_dquot_pass2()
2916 	bp->b_iodone = xlog_recover_iodone;  in xlog_recover_dquot_pass2()
2917 	xfs_buf_delwri_queue(bp, buffer_list);  in xlog_recover_dquot_pass2()
2920 	xfs_buf_relse(bp);  in xlog_recover_dquot_pass2()
4422 	xfs_buf_t	*bp;  in xlog_do_recover()  local
4454 	bp = xfs_getsb(log->l_mp, 0);  in xlog_do_recover()
4455 	XFS_BUF_UNDONE(bp);  in xlog_do_recover()
4456 	ASSERT(!(XFS_BUF_ISWRITE(bp)));  in xlog_do_recover()
4457 	XFS_BUF_READ(bp);  in xlog_do_recover()
4458 	XFS_BUF_UNASYNC(bp);  in xlog_do_recover()
4459 	bp->b_ops = &xfs_sb_buf_ops;  in xlog_do_recover()
4461 	error = xfs_buf_submit_wait(bp);  in xlog_do_recover()
4464 			xfs_buf_ioerror_alert(bp, __func__);  in xlog_do_recover()
4467 		xfs_buf_relse(bp);  in xlog_do_recover()
4473 	xfs_sb_from_disk(sbp, XFS_BUF_TO_SBP(bp));  in xlog_do_recover()
4478 	xfs_buf_relse(bp);  in xlog_do_recover()