fs/xfs/xfs_rtalloc.c

30  * by low and high, for the bitmap block bbno.
37 	xfs_fileoff_t		bbno,	/* bitmap block number */
45 	/* There are no extents at levels >= m_rsum_cache[bbno]. */
47 		high = min(high, mp->m_rsum_cache[bbno] - 1);
61 		error = xfs_rtget_summary(args, log, bbno, &sum);
79 	if (mp->m_rsum_cache && log + 1 < mp->m_rsum_cache[bbno])
80 		mp->m_rsum_cache[bbno] = log + 1;
94 	xfs_fileoff_t		bbno;	/* bitmap block number */
100 		for (bbno = oargs->mp->m_sb.sb_rbmblocks - 1;
101 		     (xfs_srtblock_t)bbno >= 0;
102 		     bbno--) {
103 			error = xfs_rtget_summary(oargs, log, bbno, &sum);
108 			error = xfs_rtmodify_summary(oargs, log, bbno, -sum);
111 			error = xfs_rtmodify_summary(nargs, log, bbno, sum);
215  * bitmap block bbno.  If we don't get maxlen then use prod to trim
222 	xfs_fileoff_t		bbno,	/* bitmap block number */
243 	for (i = xfs_rbmblock_to_rtx(mp, bbno), besti = -1, bestlen = 0,
244 		end = xfs_rbmblock_to_rtx(mp, bbno + 1) - 1;
401 	xfs_fileoff_t		bbno;	/* bitmap block number */
432 	bbno = xfs_rtx_to_rbmblock(mp, start);
438 	 * Loop over all bitmap blocks (bbno + i is current block).
446 				bbno + i, &maxlog);
467 						bbno + i, minlen, maxavail, len,
494 				 * We need to check bbno + i + maxblocks down to
495 				 * bbno + i. We already checked bbno down to
496 				 * bbno + j + 1, so we don't need to check those
502 							bbno + j, minlen,
514 		if (i > 0 && (int)bbno - i >= 0)
520 		else if (i > 0 && (int)bbno + i < mp->m_sb.sb_rbmblocks - 1)
526 		else if (i <= 0 && (int)bbno - i < mp->m_sb.sb_rbmblocks - 1)
532 		else if (i <= 0 && (int)bbno + i > 0)