Lines Matching refs:bmp
57 #define BMAP_LOCK_INIT(bmp) mutex_init(&bmp->db_bmaplock) argument
58 #define BMAP_LOCK(bmp) mutex_lock(&bmp->db_bmaplock) argument
59 #define BMAP_UNLOCK(bmp) mutex_unlock(&bmp->db_bmaplock) argument
64 static void dbAllocBits(struct bmap * bmp, struct dmap * dp, s64 blkno,
70 static int dbAdjCtl(struct bmap * bmp, s64 blkno, int newval, int alloc,
72 static int dbAllocAny(struct bmap * bmp, s64 nblocks, int l2nb, s64 * results);
73 static int dbAllocNext(struct bmap * bmp, struct dmap * dp, s64 blkno,
75 static int dbAllocNear(struct bmap * bmp, struct dmap * dp, s64 blkno,
78 static int dbAllocDmap(struct bmap * bmp, struct dmap * dp, s64 blkno,
80 static int dbAllocDmapLev(struct bmap * bmp, struct dmap * dp, int nblocks,
83 static int dbAllocAG(struct bmap * bmp, int agno, s64 nblocks, int l2nb,
85 static int dbAllocCtl(struct bmap * bmp, s64 nblocks, int l2nb, s64 blkno,
89 static int dbFindCtl(struct bmap * bmp, int l2nb, int level, s64 * blkno);
91 static int dbFreeBits(struct bmap * bmp, struct dmap * dp, s64 blkno,
93 static int dbFreeDmap(struct bmap * bmp, struct dmap * dp, s64 blkno,
101 static int dbAllocDmapBU(struct bmap * bmp, struct dmap * dp, s64 blkno,
154 struct bmap *bmp; in dbMount() local
163 bmp = kmalloc(sizeof(struct bmap), GFP_KERNEL); in dbMount()
164 if (bmp == NULL) in dbMount()
172 kfree(bmp); in dbMount()
178 bmp->db_mapsize = le64_to_cpu(dbmp_le->dn_mapsize); in dbMount()
179 bmp->db_nfree = le64_to_cpu(dbmp_le->dn_nfree); in dbMount()
180 bmp->db_l2nbperpage = le32_to_cpu(dbmp_le->dn_l2nbperpage); in dbMount()
181 bmp->db_numag = le32_to_cpu(dbmp_le->dn_numag); in dbMount()
182 bmp->db_maxlevel = le32_to_cpu(dbmp_le->dn_maxlevel); in dbMount()
183 bmp->db_maxag = le32_to_cpu(dbmp_le->dn_maxag); in dbMount()
184 bmp->db_agpref = le32_to_cpu(dbmp_le->dn_agpref); in dbMount()
185 bmp->db_aglevel = le32_to_cpu(dbmp_le->dn_aglevel); in dbMount()
186 bmp->db_agheight = le32_to_cpu(dbmp_le->dn_agheight); in dbMount()
187 bmp->db_agwidth = le32_to_cpu(dbmp_le->dn_agwidth); in dbMount()
188 bmp->db_agstart = le32_to_cpu(dbmp_le->dn_agstart); in dbMount()
189 bmp->db_agl2size = le32_to_cpu(dbmp_le->dn_agl2size); in dbMount()
191 bmp->db_agfree[i] = le64_to_cpu(dbmp_le->dn_agfree[i]); in dbMount()
192 bmp->db_agsize = le64_to_cpu(dbmp_le->dn_agsize); in dbMount()
193 bmp->db_maxfreebud = dbmp_le->dn_maxfreebud; in dbMount()
199 bmp->db_ipbmap = ipbmap; in dbMount()
200 JFS_SBI(ipbmap->i_sb)->bmap = bmp; in dbMount()
202 memset(bmp->db_active, 0, sizeof(bmp->db_active)); in dbMount()
207 BMAP_LOCK_INIT(bmp); in dbMount()
231 struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap; in dbUnmount() local
242 kfree(bmp); in dbUnmount()
253 struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap; in dbSync() local
270 dbmp_le->dn_mapsize = cpu_to_le64(bmp->db_mapsize); in dbSync()
271 dbmp_le->dn_nfree = cpu_to_le64(bmp->db_nfree); in dbSync()
272 dbmp_le->dn_l2nbperpage = cpu_to_le32(bmp->db_l2nbperpage); in dbSync()
273 dbmp_le->dn_numag = cpu_to_le32(bmp->db_numag); in dbSync()
274 dbmp_le->dn_maxlevel = cpu_to_le32(bmp->db_maxlevel); in dbSync()
275 dbmp_le->dn_maxag = cpu_to_le32(bmp->db_maxag); in dbSync()
276 dbmp_le->dn_agpref = cpu_to_le32(bmp->db_agpref); in dbSync()
277 dbmp_le->dn_aglevel = cpu_to_le32(bmp->db_aglevel); in dbSync()
278 dbmp_le->dn_agheight = cpu_to_le32(bmp->db_agheight); in dbSync()
279 dbmp_le->dn_agwidth = cpu_to_le32(bmp->db_agwidth); in dbSync()
280 dbmp_le->dn_agstart = cpu_to_le32(bmp->db_agstart); in dbSync()
281 dbmp_le->dn_agl2size = cpu_to_le32(bmp->db_agl2size); in dbSync()
283 dbmp_le->dn_agfree[i] = cpu_to_le64(bmp->db_agfree[i]); in dbSync()
284 dbmp_le->dn_agsize = cpu_to_le64(bmp->db_agsize); in dbSync()
285 dbmp_le->dn_maxfreebud = bmp->db_maxfreebud; in dbSync()
325 struct bmap *bmp = JFS_SBI(ip->i_sb)->bmap; in dbFree() local
331 if (unlikely((blkno == 0) || (blkno + nblocks > bmp->db_mapsize))) { in dbFree()
358 lblkno = BLKTODMAP(blkno, bmp->db_l2nbperpage); in dbFree()
372 if ((rc = dbFreeDmap(bmp, dp, blkno, nb))) { in dbFree()
416 struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap; in dbUpdatePMap() local
426 if (blkno + nblocks > bmp->db_mapsize) { in dbUpdatePMap()
446 lblkno = BLKTODMAP(blkno, bmp->db_l2nbperpage); in dbUpdatePMap()
452 mp = read_metapage(bmp->db_ipbmap, lblkno, PSIZE, in dbUpdatePMap()
597 struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap; in dbNextAG() local
599 BMAP_LOCK(bmp); in dbNextAG()
602 avgfree = (u32)bmp->db_nfree / bmp->db_numag; in dbNextAG()
608 agpref = bmp->db_agpref; in dbNextAG()
609 if ((atomic_read(&bmp->db_active[agpref]) == 0) && in dbNextAG()
610 (bmp->db_agfree[agpref] >= avgfree)) in dbNextAG()
616 for (i = 0 ; i < bmp->db_numag; i++, agpref++) { in dbNextAG()
617 if (agpref == bmp->db_numag) in dbNextAG()
620 if (atomic_read(&bmp->db_active[agpref])) in dbNextAG()
623 if (bmp->db_agfree[agpref] >= avgfree) { in dbNextAG()
625 bmp->db_agpref = agpref; in dbNextAG()
627 } else if (bmp->db_agfree[agpref] > hwm) { in dbNextAG()
629 hwm = bmp->db_agfree[agpref]; in dbNextAG()
639 bmp->db_agpref = next_best; in dbNextAG()
642 BMAP_UNLOCK(bmp); in dbNextAG()
646 return (bmp->db_agpref); in dbNextAG()
691 struct bmap *bmp; in dbAlloc() local
708 bmp = JFS_SBI(ip->i_sb)->bmap; in dbAlloc()
710 mapSize = bmp->db_mapsize; in dbAlloc()
721 if (l2nb > bmp->db_agl2size) { in dbAlloc()
724 rc = dbAllocAny(bmp, nblocks, l2nb, results); in dbAlloc()
741 if (blkno >= bmp->db_mapsize) in dbAlloc()
744 agno = blkno >> bmp->db_agl2size; in dbAlloc()
750 if ((blkno & (bmp->db_agsize - 1)) == 0) in dbAlloc()
755 if (atomic_read(&bmp->db_active[agno])) in dbAlloc()
768 lblkno = BLKTODMAP(blkno, bmp->db_l2nbperpage); in dbAlloc()
778 if ((rc = dbAllocNext(bmp, dp, blkno, (int) nblocks)) in dbAlloc()
789 writers = atomic_read(&bmp->db_active[agno]); in dbAlloc()
805 dbAllocNear(bmp, dp, blkno, (int) nblocks, l2nb, results)) in dbAlloc()
817 if ((rc = dbAllocDmapLev(bmp, dp, (int) nblocks, l2nb, results)) in dbAlloc()
834 if ((rc = dbAllocAG(bmp, agno, nblocks, l2nb, results)) != -ENOSPC) in dbAlloc()
850 if ((rc = dbAllocAG(bmp, agno, nblocks, l2nb, results)) == -ENOSPC) in dbAlloc()
851 rc = dbAllocAny(bmp, nblocks, l2nb, results); in dbAlloc()
884 struct bmap *bmp = JFS_SBI(ip->i_sb)->bmap; in dbAllocExact() local
898 if (nblocks <= 0 || nblocks > BPERDMAP || blkno >= bmp->db_mapsize) { in dbAllocExact()
903 if (nblocks > ((s64) 1 << bmp->db_maxfreebud)) { in dbAllocExact()
910 lblkno = BLKTODMAP(blkno, bmp->db_l2nbperpage); in dbAllocExact()
919 rc = dbAllocNext(bmp, dp, blkno, nblocks); in dbAllocExact()
1022 struct bmap *bmp; in dbExtend() local
1042 bmp = sbi->bmap; in dbExtend()
1043 if (lastblkno < 0 || lastblkno >= bmp->db_mapsize) { in dbExtend()
1057 if (addnblocks > BPERDMAP || extblkno >= bmp->db_mapsize || in dbExtend()
1058 (extblkno & (bmp->db_agsize - 1)) == 0) { in dbExtend()
1066 lblkno = BLKTODMAP(extblkno, bmp->db_l2nbperpage); in dbExtend()
1078 rc = dbAllocNext(bmp, dp, extblkno, (int) addnblocks); in dbExtend()
1112 static int dbAllocNext(struct bmap * bmp, struct dmap * dp, s64 blkno, in dbAllocNext() argument
1121 jfs_error(bmp->db_ipbmap->i_sb, "Corrupt dmap page\n"); in dbAllocNext()
1212 return (dbAllocDmap(bmp, dp, blkno, nblocks)); in dbAllocNext()
1244 dbAllocNear(struct bmap * bmp, in dbAllocNear() argument
1251 jfs_error(bmp->db_ipbmap->i_sb, "Corrupt dmap page\n"); in dbAllocNear()
1288 if ((rc = dbAllocDmap(bmp, dp, blkno, nblocks)) == 0) in dbAllocNear()
1353 dbAllocAG(struct bmap * bmp, int agno, s64 nblocks, int l2nb, s64 * results) in dbAllocAG() argument
1364 if (l2nb > bmp->db_agl2size) { in dbAllocAG()
1365 jfs_error(bmp->db_ipbmap->i_sb, in dbAllocAG()
1373 blkno = (s64) agno << bmp->db_agl2size; in dbAllocAG()
1392 if (bmp->db_agsize == BPERDMAP in dbAllocAG()
1393 || bmp->db_agfree[agno] == bmp->db_agsize) { in dbAllocAG()
1394 rc = dbAllocCtl(bmp, nblocks, l2nb, blkno, results); in dbAllocAG()
1396 (bmp->db_agfree[agno] == bmp->db_agsize)) { in dbAllocAG()
1400 jfs_error(bmp->db_ipbmap->i_sb, in dbAllocAG()
1409 lblkno = BLKTOCTL(blkno, bmp->db_l2nbperpage, bmp->db_aglevel); in dbAllocAG()
1410 mp = read_metapage(bmp->db_ipbmap, lblkno, PSIZE, 0); in dbAllocAG()
1417 jfs_error(bmp->db_ipbmap->i_sb, "Corrupt dmapctl page\n"); in dbAllocAG()
1430 (1 << (L2LPERCTL - (bmp->db_agheight << 1))) / bmp->db_agwidth; in dbAllocAG()
1431 ti = bmp->db_agstart + bmp->db_agwidth * (agno & (agperlev - 1)); in dbAllocAG()
1439 for (i = 0; i < bmp->db_agwidth; i++, ti++) { in dbAllocAG()
1449 for (k = bmp->db_agheight; k > 0; k--) { in dbAllocAG()
1457 jfs_error(bmp->db_ipbmap->i_sb, in dbAllocAG()
1467 if (bmp->db_aglevel == 2) in dbAllocAG()
1469 else if (bmp->db_aglevel == 1) in dbAllocAG()
1494 dbFindCtl(bmp, l2nb, bmp->db_aglevel - 1, in dbAllocAG()
1497 jfs_error(bmp->db_ipbmap->i_sb, in dbAllocAG()
1507 rc = dbAllocCtl(bmp, nblocks, l2nb, blkno, results); in dbAllocAG()
1509 jfs_error(bmp->db_ipbmap->i_sb, in dbAllocAG()
1551 static int dbAllocAny(struct bmap * bmp, s64 nblocks, int l2nb, s64 * results) in dbAllocAny() argument
1562 if ((rc = dbFindCtl(bmp, l2nb, bmp->db_maxlevel, &blkno))) in dbAllocAny()
1567 rc = dbAllocCtl(bmp, nblocks, l2nb, blkno, results); in dbAllocAny()
1569 jfs_error(bmp->db_ipbmap->i_sb, "unable to allocate blocks\n"); in dbAllocAny()
1609 struct bmap *bmp = JFS_SBI(ip->i_sb)->bmap; in dbDiscardAG() local
1627 nblocks = bmp->db_agfree[agno]; in dbDiscardAG()
1633 jfs_error(bmp->db_ipbmap->i_sb, "no memory for trim array\n"); in dbDiscardAG()
1643 rc = dbAllocAG(bmp, agno, nblocks, l2nb, &blkno); in dbDiscardAG()
1650 if (bmp->db_agfree[agno] == 0) in dbDiscardAG()
1654 nblocks = bmp->db_agfree[agno]; in dbDiscardAG()
1662 jfs_error(bmp->db_ipbmap->i_sb, "-EIO\n"); in dbDiscardAG()
1714 static int dbFindCtl(struct bmap * bmp, int l2nb, int level, s64 * blkno) in dbFindCtl() argument
1731 lblkno = BLKTOCTL(b, bmp->db_l2nbperpage, lev); in dbFindCtl()
1732 mp = read_metapage(bmp->db_ipbmap, lblkno, PSIZE, 0); in dbFindCtl()
1739 jfs_error(bmp->db_ipbmap->i_sb, in dbFindCtl()
1760 jfs_error(bmp->db_ipbmap->i_sb, in dbFindCtl()
1833 dbAllocCtl(struct bmap * bmp, s64 nblocks, int l2nb, s64 blkno, s64 * results) in dbAllocCtl() argument
1845 lblkno = BLKTODMAP(blkno, bmp->db_l2nbperpage); in dbAllocCtl()
1846 mp = read_metapage(bmp->db_ipbmap, lblkno, PSIZE, 0); in dbAllocCtl()
1853 rc = dbAllocDmapLev(bmp, dp, (int) nblocks, l2nb, results); in dbAllocCtl()
1872 lblkno = BLKTODMAP(b, bmp->db_l2nbperpage); in dbAllocCtl()
1873 mp = read_metapage(bmp->db_ipbmap, lblkno, PSIZE, 0); in dbAllocCtl()
1884 jfs_error(bmp->db_ipbmap->i_sb, in dbAllocCtl()
1896 if ((rc = dbAllocDmap(bmp, dp, b, nb))) { in dbAllocCtl()
1925 lblkno = BLKTODMAP(b, bmp->db_l2nbperpage); in dbAllocCtl()
1926 mp = read_metapage(bmp->db_ipbmap, lblkno, PSIZE, 0); in dbAllocCtl()
1931 jfs_error(bmp->db_ipbmap->i_sb, in dbAllocCtl()
1939 if (dbFreeDmap(bmp, dp, b, BPERDMAP)) { in dbAllocCtl()
1944 jfs_error(bmp->db_ipbmap->i_sb, "Block Leakage\n"); in dbAllocCtl()
1984 dbAllocDmapLev(struct bmap * bmp, in dbAllocDmapLev() argument
2013 if ((rc = dbAllocDmap(bmp, dp, blkno, nblocks)) == 0) in dbAllocDmapLev()
2047 static int dbAllocDmap(struct bmap * bmp, struct dmap * dp, s64 blkno, in dbAllocDmap() argument
2059 dbAllocBits(bmp, dp, blkno, nblocks); in dbAllocDmap()
2069 if ((rc = dbAdjCtl(bmp, blkno, dp->tree.stree[ROOT], 1, 0))) in dbAllocDmap()
2070 dbFreeBits(bmp, dp, blkno, nblocks); in dbAllocDmap()
2102 static int dbFreeDmap(struct bmap * bmp, struct dmap * dp, s64 blkno, in dbFreeDmap() argument
2114 rc = dbFreeBits(bmp, dp, blkno, nblocks); in dbFreeDmap()
2124 if ((rc = dbAdjCtl(bmp, blkno, dp->tree.stree[ROOT], 0, 0))) { in dbFreeDmap()
2135 dbAllocBits(bmp, dp, blkno, nblocks); in dbFreeDmap()
2164 static void dbAllocBits(struct bmap * bmp, struct dmap * dp, s64 blkno, in dbAllocBits() argument
2240 jfs_error(bmp->db_ipbmap->i_sb, in dbAllocBits()
2271 BMAP_LOCK(bmp); in dbAllocBits()
2277 agno = blkno >> bmp->db_agl2size; in dbAllocBits()
2278 if (agno > bmp->db_maxag) in dbAllocBits()
2279 bmp->db_maxag = agno; in dbAllocBits()
2282 bmp->db_agfree[agno] -= nblocks; in dbAllocBits()
2283 bmp->db_nfree -= nblocks; in dbAllocBits()
2285 BMAP_UNLOCK(bmp); in dbAllocBits()
2311 static int dbFreeBits(struct bmap * bmp, struct dmap * dp, s64 blkno, in dbFreeBits() argument
2415 BMAP_LOCK(bmp); in dbFreeBits()
2420 agno = blkno >> bmp->db_agl2size; in dbFreeBits()
2421 bmp->db_nfree += nblocks; in dbFreeBits()
2422 bmp->db_agfree[agno] += nblocks; in dbFreeBits()
2429 if ((bmp->db_agfree[agno] == bmp->db_agsize && agno == bmp->db_maxag) || in dbFreeBits()
2430 (agno == bmp->db_numag - 1 && in dbFreeBits()
2431 bmp->db_agfree[agno] == (bmp-> db_mapsize & (BPERDMAP - 1)))) { in dbFreeBits()
2432 while (bmp->db_maxag > 0) { in dbFreeBits()
2433 bmp->db_maxag -= 1; in dbFreeBits()
2434 if (bmp->db_agfree[bmp->db_maxag] != in dbFreeBits()
2435 bmp->db_agsize) in dbFreeBits()
2443 if (bmp->db_agpref > bmp->db_maxag) in dbFreeBits()
2444 bmp->db_agpref = bmp->db_maxag; in dbFreeBits()
2447 BMAP_UNLOCK(bmp); in dbFreeBits()
2495 dbAdjCtl(struct bmap * bmp, s64 blkno, int newval, int alloc, int level) in dbAdjCtl() argument
2507 lblkno = BLKTOCTL(blkno, bmp->db_l2nbperpage, level); in dbAdjCtl()
2508 mp = read_metapage(bmp->db_ipbmap, lblkno, PSIZE, 0); in dbAdjCtl()
2514 jfs_error(bmp->db_ipbmap->i_sb, "Corrupt dmapctl page\n"); in dbAdjCtl()
2574 if (level < bmp->db_maxlevel) { in dbAdjCtl()
2579 dbAdjCtl(bmp, blkno, dcp->stree[ROOT], alloc, in dbAdjCtl()
2612 assert(level == bmp->db_maxlevel); in dbAdjCtl()
2613 if (bmp->db_maxfreebud != oldroot) { in dbAdjCtl()
2614 jfs_error(bmp->db_ipbmap->i_sb, in dbAdjCtl()
2617 bmp->db_maxfreebud = dcp->stree[ROOT]; in dbAdjCtl()
3202 struct bmap *bmp = JFS_SBI(ip->i_sb)->bmap; in dbAllocBottomUp() local
3207 ASSERT(nblocks <= bmp->db_mapsize - blkno); in dbAllocBottomUp()
3220 lblkno = BLKTODMAP(blkno, bmp->db_l2nbperpage); in dbAllocBottomUp()
3234 if ((rc = dbAllocDmapBU(bmp, dp, blkno, nb))) { in dbAllocBottomUp()
3250 static int dbAllocDmapBU(struct bmap * bmp, struct dmap * dp, s64 blkno, in dbAllocDmapBU() argument
3323 BMAP_LOCK(bmp); in dbAllocDmapBU()
3329 agno = blkno >> bmp->db_agl2size; in dbAllocDmapBU()
3330 if (agno > bmp->db_maxag) in dbAllocDmapBU()
3331 bmp->db_maxag = agno; in dbAllocDmapBU()
3334 bmp->db_agfree[agno] -= nblocks; in dbAllocDmapBU()
3335 bmp->db_nfree -= nblocks; in dbAllocDmapBU()
3337 BMAP_UNLOCK(bmp); in dbAllocDmapBU()
3347 if ((rc = dbAdjCtl(bmp, blkno, tp->stree[ROOT], 1, 0))) in dbAllocDmapBU()
3348 dbFreeBits(bmp, dp, blkno, nblocks); in dbAllocDmapBU()
3382 struct bmap *bmp = sbi->bmap; in dbExtendFS() local
3399 bmp->db_mapsize = newsize; in dbExtendFS()
3400 bmp->db_maxlevel = BMAPSZTOLEV(bmp->db_mapsize); in dbExtendFS()
3404 oldl2agsize = bmp->db_agl2size; in dbExtendFS()
3406 bmp->db_agl2size = l2agsize; in dbExtendFS()
3407 bmp->db_agsize = 1 << l2agsize; in dbExtendFS()
3410 agno = bmp->db_numag; in dbExtendFS()
3411 bmp->db_numag = newsize >> l2agsize; in dbExtendFS()
3412 bmp->db_numag += ((u32) newsize % (u32) bmp->db_agsize) ? 1 : 0; in dbExtendFS()
3425 ag_rem = bmp->db_agfree[0]; /* save agfree[0] */ in dbExtendFS()
3427 bmp->db_agfree[n] = 0; /* init collection point */ in dbExtendFS()
3432 bmp->db_agfree[n] += bmp->db_agfree[i]; in dbExtendFS()
3435 bmp->db_agfree[0] += ag_rem; /* restore agfree[0] */ in dbExtendFS()
3438 bmp->db_agfree[n] = 0; in dbExtendFS()
3444 bmp->db_maxag = bmp->db_maxag / k; in dbExtendFS()
3560 bmp->db_nfree += n; in dbExtendFS()
3562 bmp->db_agfree[agno] += n; in dbExtendFS()
3591 bmp->db_maxfreebud = *l1leaf; in dbExtendFS()
3615 bmp->db_maxfreebud = *l2leaf; in dbExtendFS()
3645 struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap; in dbFinalizeBmap() local
3660 actags = bmp->db_maxag + 1; in dbFinalizeBmap()
3661 inactags = bmp->db_numag - actags; in dbFinalizeBmap()
3662 ag_rem = bmp->db_mapsize & (bmp->db_agsize - 1); /* ??? */ in dbFinalizeBmap()
3670 ((inactags - 1) << bmp->db_agl2size) + ag_rem in dbFinalizeBmap()
3671 : inactags << bmp->db_agl2size; in dbFinalizeBmap()
3677 actfree = bmp->db_nfree - inactfree; in dbFinalizeBmap()
3684 if (bmp->db_agfree[bmp->db_agpref] < avgfree) { in dbFinalizeBmap()
3685 for (bmp->db_agpref = 0; bmp->db_agpref < actags; in dbFinalizeBmap()
3686 bmp->db_agpref++) { in dbFinalizeBmap()
3687 if (bmp->db_agfree[bmp->db_agpref] >= avgfree) in dbFinalizeBmap()
3690 if (bmp->db_agpref >= bmp->db_numag) { in dbFinalizeBmap()
3703 bmp->db_aglevel = BMAPSZTOLEV(bmp->db_agsize); in dbFinalizeBmap()
3705 bmp->db_agl2size - (L2BPERDMAP + bmp->db_aglevel * L2LPERCTL); in dbFinalizeBmap()
3706 bmp->db_agheight = l2nl >> 1; in dbFinalizeBmap()
3707 bmp->db_agwidth = 1 << (l2nl - (bmp->db_agheight << 1)); in dbFinalizeBmap()
3708 for (i = 5 - bmp->db_agheight, bmp->db_agstart = 0, n = 1; i > 0; in dbFinalizeBmap()
3710 bmp->db_agstart += n; in dbFinalizeBmap()