fs/xfs/xfs_rtalloc.c

206  * Attempt to allocate an extent minlen<=len<=maxlen starting from
216 	xfs_extlen_t	minlen,		/* minimum length to allocate */
268 		if (minlen < maxlen) {
272 			if (thislen >= minlen && thislen > bestlen) {
291 	if (minlen < maxlen && besti != -1) {
319  * Allocate an extent of length minlen<=len<=maxlen, starting at block
329 	xfs_extlen_t	minlen,		/* minimum length to allocate */
342 	ASSERT(minlen % prod == 0 && maxlen % prod == 0);
363 	 * If not, allocate what there is, if it's at least minlen.
366 	if (maxlen < minlen) {
378 		if (maxlen < minlen) {
399  * Allocate an extent of length minlen<=len<=maxlen, starting as near
408 	xfs_extlen_t	minlen,		/* minimum length to allocate */
421 	int		log2len;	/* log2 of minlen */
425 	ASSERT(minlen % prod == 0 && maxlen % prod == 0);
435 	error = xfs_rtallocate_extent_exact(mp, tp, bno, minlen, maxlen, len,
449 	log2len = xfs_highbit32(minlen);
477 					bbno + i, minlen, maxlen, len, &n, rbpp,
522 						tp, bbno + j, minlen, maxlen,
544 					bbno + i, minlen, maxlen, len, &n, rbpp,
593  * Allocate an extent of length minlen<=len<=maxlen, with no position
601 	xfs_extlen_t	minlen,		/* minimum length to allocate */
616 	ASSERT(minlen % prod == 0 && maxlen % prod == 0);
670 	if (minlen > --maxlen) {
675 	 * Loop over sizes, from maxlen down to minlen.
679 	for (l = xfs_highbit32(maxlen); l >= xfs_highbit32(minlen); l--) {
700 			 * minlen/maxlen are in the possible range for
704 					XFS_RTMAX(minlen, 1 << l),
2127 	xfs_extlen_t	minlen,		/* minimum length to allocate */
2142 	ASSERT(minlen > 0 && minlen <= maxlen);
2145 	 * If prod is set then figure out what to do to minlen and maxlen.
2152 		if ((i = minlen % prod))
2153 			minlen += prod - i;
2154 		if (maxlen < minlen) {
2171 		error = xfs_rtallocate_extent_size(mp, tp, minlen, maxlen, len,
2175 		error = xfs_rtallocate_extent_near(mp, tp, bno, minlen, maxlen,
2179 		error = xfs_rtallocate_extent_exact(mp, tp, bno, minlen, maxlen,
2194 		ASSERT(*len >= minlen && *len <= maxlen);