Lines Matching refs:bmp
70 #define BMAP_LOCK_INIT(bmp) mutex_init(&bmp->db_bmaplock) argument
71 #define BMAP_LOCK(bmp) mutex_lock(&bmp->db_bmaplock) argument
72 #define BMAP_UNLOCK(bmp) mutex_unlock(&bmp->db_bmaplock) argument
77 static void dbAllocBits(struct bmap * bmp, struct dmap * dp, s64 blkno,
83 static int dbAdjCtl(struct bmap * bmp, s64 blkno, int newval, int alloc,
85 static int dbAllocAny(struct bmap * bmp, s64 nblocks, int l2nb, s64 * results);
86 static int dbAllocNext(struct bmap * bmp, struct dmap * dp, s64 blkno,
88 static int dbAllocNear(struct bmap * bmp, struct dmap * dp, s64 blkno,
91 static int dbAllocDmap(struct bmap * bmp, struct dmap * dp, s64 blkno,
93 static int dbAllocDmapLev(struct bmap * bmp, struct dmap * dp, int nblocks,
96 static int dbAllocAG(struct bmap * bmp, int agno, s64 nblocks, int l2nb,
98 static int dbAllocCtl(struct bmap * bmp, s64 nblocks, int l2nb, s64 blkno,
102 static int dbFindCtl(struct bmap * bmp, int l2nb, int level, s64 * blkno);
104 static int dbFreeBits(struct bmap * bmp, struct dmap * dp, s64 blkno,
106 static int dbFreeDmap(struct bmap * bmp, struct dmap * dp, s64 blkno,
114 static int dbAllocDmapBU(struct bmap * bmp, struct dmap * dp, s64 blkno,
167 struct bmap *bmp; in dbMount() local
176 bmp = kmalloc(sizeof(struct bmap), GFP_KERNEL); in dbMount()
177 if (bmp == NULL) in dbMount()
185 kfree(bmp); in dbMount()
191 bmp->db_mapsize = le64_to_cpu(dbmp_le->dn_mapsize); in dbMount()
192 bmp->db_nfree = le64_to_cpu(dbmp_le->dn_nfree); in dbMount()
193 bmp->db_l2nbperpage = le32_to_cpu(dbmp_le->dn_l2nbperpage); in dbMount()
194 bmp->db_numag = le32_to_cpu(dbmp_le->dn_numag); in dbMount()
195 bmp->db_maxlevel = le32_to_cpu(dbmp_le->dn_maxlevel); in dbMount()
196 bmp->db_maxag = le32_to_cpu(dbmp_le->dn_maxag); in dbMount()
197 bmp->db_agpref = le32_to_cpu(dbmp_le->dn_agpref); in dbMount()
198 bmp->db_aglevel = le32_to_cpu(dbmp_le->dn_aglevel); in dbMount()
199 bmp->db_agheight = le32_to_cpu(dbmp_le->dn_agheight); in dbMount()
200 bmp->db_agwidth = le32_to_cpu(dbmp_le->dn_agwidth); in dbMount()
201 bmp->db_agstart = le32_to_cpu(dbmp_le->dn_agstart); in dbMount()
202 bmp->db_agl2size = le32_to_cpu(dbmp_le->dn_agl2size); in dbMount()
204 bmp->db_agfree[i] = le64_to_cpu(dbmp_le->dn_agfree[i]); in dbMount()
205 bmp->db_agsize = le64_to_cpu(dbmp_le->dn_agsize); in dbMount()
206 bmp->db_maxfreebud = dbmp_le->dn_maxfreebud; in dbMount()
212 bmp->db_ipbmap = ipbmap; in dbMount()
213 JFS_SBI(ipbmap->i_sb)->bmap = bmp; in dbMount()
215 memset(bmp->db_active, 0, sizeof(bmp->db_active)); in dbMount()
220 BMAP_LOCK_INIT(bmp); in dbMount()
244 struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap; in dbUnmount() local
255 kfree(bmp); in dbUnmount()
266 struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap; in dbSync() local
283 dbmp_le->dn_mapsize = cpu_to_le64(bmp->db_mapsize); in dbSync()
284 dbmp_le->dn_nfree = cpu_to_le64(bmp->db_nfree); in dbSync()
285 dbmp_le->dn_l2nbperpage = cpu_to_le32(bmp->db_l2nbperpage); in dbSync()
286 dbmp_le->dn_numag = cpu_to_le32(bmp->db_numag); in dbSync()
287 dbmp_le->dn_maxlevel = cpu_to_le32(bmp->db_maxlevel); in dbSync()
288 dbmp_le->dn_maxag = cpu_to_le32(bmp->db_maxag); in dbSync()
289 dbmp_le->dn_agpref = cpu_to_le32(bmp->db_agpref); in dbSync()
290 dbmp_le->dn_aglevel = cpu_to_le32(bmp->db_aglevel); in dbSync()
291 dbmp_le->dn_agheight = cpu_to_le32(bmp->db_agheight); in dbSync()
292 dbmp_le->dn_agwidth = cpu_to_le32(bmp->db_agwidth); in dbSync()
293 dbmp_le->dn_agstart = cpu_to_le32(bmp->db_agstart); in dbSync()
294 dbmp_le->dn_agl2size = cpu_to_le32(bmp->db_agl2size); in dbSync()
296 dbmp_le->dn_agfree[i] = cpu_to_le64(bmp->db_agfree[i]); in dbSync()
297 dbmp_le->dn_agsize = cpu_to_le64(bmp->db_agsize); in dbSync()
298 dbmp_le->dn_maxfreebud = bmp->db_maxfreebud; in dbSync()
338 struct bmap *bmp = JFS_SBI(ip->i_sb)->bmap; in dbFree() local
344 if (unlikely((blkno == 0) || (blkno + nblocks > bmp->db_mapsize))) { in dbFree()
371 lblkno = BLKTODMAP(blkno, bmp->db_l2nbperpage); in dbFree()
385 if ((rc = dbFreeDmap(bmp, dp, blkno, nb))) { in dbFree()
429 struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap; in dbUpdatePMap() local
439 if (blkno + nblocks > bmp->db_mapsize) { in dbUpdatePMap()
459 lblkno = BLKTODMAP(blkno, bmp->db_l2nbperpage); in dbUpdatePMap()
465 mp = read_metapage(bmp->db_ipbmap, lblkno, PSIZE, in dbUpdatePMap()
610 struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap; in dbNextAG() local
612 BMAP_LOCK(bmp); in dbNextAG()
615 avgfree = (u32)bmp->db_nfree / bmp->db_numag; in dbNextAG()
621 agpref = bmp->db_agpref; in dbNextAG()
622 if ((atomic_read(&bmp->db_active[agpref]) == 0) && in dbNextAG()
623 (bmp->db_agfree[agpref] >= avgfree)) in dbNextAG()
629 for (i = 0 ; i < bmp->db_numag; i++, agpref++) { in dbNextAG()
630 if (agpref == bmp->db_numag) in dbNextAG()
633 if (atomic_read(&bmp->db_active[agpref])) in dbNextAG()
636 if (bmp->db_agfree[agpref] >= avgfree) { in dbNextAG()
638 bmp->db_agpref = agpref; in dbNextAG()
640 } else if (bmp->db_agfree[agpref] > hwm) { in dbNextAG()
642 hwm = bmp->db_agfree[agpref]; in dbNextAG()
652 bmp->db_agpref = next_best; in dbNextAG()
655 BMAP_UNLOCK(bmp); in dbNextAG()
659 return (bmp->db_agpref); in dbNextAG()
704 struct bmap *bmp; in dbAlloc() local
721 bmp = JFS_SBI(ip->i_sb)->bmap; in dbAlloc()
723 mapSize = bmp->db_mapsize; in dbAlloc()
734 if (l2nb > bmp->db_agl2size) { in dbAlloc()
737 rc = dbAllocAny(bmp, nblocks, l2nb, results); in dbAlloc()
754 if (blkno >= bmp->db_mapsize) in dbAlloc()
757 agno = blkno >> bmp->db_agl2size; in dbAlloc()
763 if ((blkno & (bmp->db_agsize - 1)) == 0) in dbAlloc()
768 if (atomic_read(&bmp->db_active[agno])) in dbAlloc()
781 lblkno = BLKTODMAP(blkno, bmp->db_l2nbperpage); in dbAlloc()
791 if ((rc = dbAllocNext(bmp, dp, blkno, (int) nblocks)) in dbAlloc()
802 writers = atomic_read(&bmp->db_active[agno]); in dbAlloc()
818 dbAllocNear(bmp, dp, blkno, (int) nblocks, l2nb, results)) in dbAlloc()
830 if ((rc = dbAllocDmapLev(bmp, dp, (int) nblocks, l2nb, results)) in dbAlloc()
847 if ((rc = dbAllocAG(bmp, agno, nblocks, l2nb, results)) != -ENOSPC) in dbAlloc()
863 if ((rc = dbAllocAG(bmp, agno, nblocks, l2nb, results)) == -ENOSPC) in dbAlloc()
864 rc = dbAllocAny(bmp, nblocks, l2nb, results); in dbAlloc()
897 struct bmap *bmp = JFS_SBI(ip->i_sb)->bmap; in dbAllocExact() local
911 if (nblocks <= 0 || nblocks > BPERDMAP || blkno >= bmp->db_mapsize) { in dbAllocExact()
916 if (nblocks > ((s64) 1 << bmp->db_maxfreebud)) { in dbAllocExact()
923 lblkno = BLKTODMAP(blkno, bmp->db_l2nbperpage); in dbAllocExact()
932 rc = dbAllocNext(bmp, dp, blkno, nblocks); in dbAllocExact()
1035 struct bmap *bmp; in dbExtend() local
1055 bmp = sbi->bmap; in dbExtend()
1056 if (lastblkno < 0 || lastblkno >= bmp->db_mapsize) { in dbExtend()
1070 if (addnblocks > BPERDMAP || extblkno >= bmp->db_mapsize || in dbExtend()
1071 (extblkno & (bmp->db_agsize - 1)) == 0) { in dbExtend()
1079 lblkno = BLKTODMAP(extblkno, bmp->db_l2nbperpage); in dbExtend()
1091 rc = dbAllocNext(bmp, dp, extblkno, (int) addnblocks); in dbExtend()
1125 static int dbAllocNext(struct bmap * bmp, struct dmap * dp, s64 blkno, in dbAllocNext() argument
1134 jfs_error(bmp->db_ipbmap->i_sb, "Corrupt dmap page\n"); in dbAllocNext()
1225 return (dbAllocDmap(bmp, dp, blkno, nblocks)); in dbAllocNext()
1257 dbAllocNear(struct bmap * bmp, in dbAllocNear() argument
1264 jfs_error(bmp->db_ipbmap->i_sb, "Corrupt dmap page\n"); in dbAllocNear()
1301 if ((rc = dbAllocDmap(bmp, dp, blkno, nblocks)) == 0) in dbAllocNear()
1366 dbAllocAG(struct bmap * bmp, int agno, s64 nblocks, int l2nb, s64 * results) in dbAllocAG() argument
1377 if (l2nb > bmp->db_agl2size) { in dbAllocAG()
1378 jfs_error(bmp->db_ipbmap->i_sb, in dbAllocAG()
1386 blkno = (s64) agno << bmp->db_agl2size; in dbAllocAG()
1405 if (bmp->db_agsize == BPERDMAP in dbAllocAG()
1406 || bmp->db_agfree[agno] == bmp->db_agsize) { in dbAllocAG()
1407 rc = dbAllocCtl(bmp, nblocks, l2nb, blkno, results); in dbAllocAG()
1409 (bmp->db_agfree[agno] == bmp->db_agsize)) { in dbAllocAG()
1413 jfs_error(bmp->db_ipbmap->i_sb, in dbAllocAG()
1422 lblkno = BLKTOCTL(blkno, bmp->db_l2nbperpage, bmp->db_aglevel); in dbAllocAG()
1423 mp = read_metapage(bmp->db_ipbmap, lblkno, PSIZE, 0); in dbAllocAG()
1430 jfs_error(bmp->db_ipbmap->i_sb, "Corrupt dmapctl page\n"); in dbAllocAG()
1443 (1 << (L2LPERCTL - (bmp->db_agheight << 1))) / bmp->db_agwidth; in dbAllocAG()
1444 ti = bmp->db_agstart + bmp->db_agwidth * (agno & (agperlev - 1)); in dbAllocAG()
1452 for (i = 0; i < bmp->db_agwidth; i++, ti++) { in dbAllocAG()
1462 for (k = bmp->db_agheight; k > 0; k--) { in dbAllocAG()
1470 jfs_error(bmp->db_ipbmap->i_sb, in dbAllocAG()
1480 if (bmp->db_aglevel == 2) in dbAllocAG()
1482 else if (bmp->db_aglevel == 1) in dbAllocAG()
1507 dbFindCtl(bmp, l2nb, bmp->db_aglevel - 1, in dbAllocAG()
1510 jfs_error(bmp->db_ipbmap->i_sb, in dbAllocAG()
1520 rc = dbAllocCtl(bmp, nblocks, l2nb, blkno, results); in dbAllocAG()
1522 jfs_error(bmp->db_ipbmap->i_sb, in dbAllocAG()
1564 static int dbAllocAny(struct bmap * bmp, s64 nblocks, int l2nb, s64 * results) in dbAllocAny() argument
1575 if ((rc = dbFindCtl(bmp, l2nb, bmp->db_maxlevel, &blkno))) in dbAllocAny()
1580 rc = dbAllocCtl(bmp, nblocks, l2nb, blkno, results); in dbAllocAny()
1582 jfs_error(bmp->db_ipbmap->i_sb, "unable to allocate blocks\n"); in dbAllocAny()
1622 struct bmap *bmp = JFS_SBI(ip->i_sb)->bmap; in dbDiscardAG() local
1640 nblocks = bmp->db_agfree[agno]; in dbDiscardAG()
1646 jfs_error(bmp->db_ipbmap->i_sb, "no memory for trim array\n"); in dbDiscardAG()
1656 rc = dbAllocAG(bmp, agno, nblocks, l2nb, &blkno); in dbDiscardAG()
1663 if (bmp->db_agfree[agno] == 0) in dbDiscardAG()
1667 nblocks = bmp->db_agfree[agno]; in dbDiscardAG()
1675 jfs_error(bmp->db_ipbmap->i_sb, "-EIO\n"); in dbDiscardAG()
1727 static int dbFindCtl(struct bmap * bmp, int l2nb, int level, s64 * blkno) in dbFindCtl() argument
1744 lblkno = BLKTOCTL(b, bmp->db_l2nbperpage, lev); in dbFindCtl()
1745 mp = read_metapage(bmp->db_ipbmap, lblkno, PSIZE, 0); in dbFindCtl()
1752 jfs_error(bmp->db_ipbmap->i_sb, in dbFindCtl()
1773 jfs_error(bmp->db_ipbmap->i_sb, in dbFindCtl()
1846 dbAllocCtl(struct bmap * bmp, s64 nblocks, int l2nb, s64 blkno, s64 * results) in dbAllocCtl() argument
1858 lblkno = BLKTODMAP(blkno, bmp->db_l2nbperpage); in dbAllocCtl()
1859 mp = read_metapage(bmp->db_ipbmap, lblkno, PSIZE, 0); in dbAllocCtl()
1866 rc = dbAllocDmapLev(bmp, dp, (int) nblocks, l2nb, results); in dbAllocCtl()
1885 lblkno = BLKTODMAP(b, bmp->db_l2nbperpage); in dbAllocCtl()
1886 mp = read_metapage(bmp->db_ipbmap, lblkno, PSIZE, 0); in dbAllocCtl()
1897 jfs_error(bmp->db_ipbmap->i_sb, in dbAllocCtl()
1909 if ((rc = dbAllocDmap(bmp, dp, b, nb))) { in dbAllocCtl()
1938 lblkno = BLKTODMAP(b, bmp->db_l2nbperpage); in dbAllocCtl()
1939 mp = read_metapage(bmp->db_ipbmap, lblkno, PSIZE, 0); in dbAllocCtl()
1944 jfs_error(bmp->db_ipbmap->i_sb, in dbAllocCtl()
1952 if (dbFreeDmap(bmp, dp, b, BPERDMAP)) { in dbAllocCtl()
1957 jfs_error(bmp->db_ipbmap->i_sb, "Block Leakage\n"); in dbAllocCtl()
1997 dbAllocDmapLev(struct bmap * bmp, in dbAllocDmapLev() argument
2026 if ((rc = dbAllocDmap(bmp, dp, blkno, nblocks)) == 0) in dbAllocDmapLev()
2060 static int dbAllocDmap(struct bmap * bmp, struct dmap * dp, s64 blkno, in dbAllocDmap() argument
2072 dbAllocBits(bmp, dp, blkno, nblocks); in dbAllocDmap()
2082 if ((rc = dbAdjCtl(bmp, blkno, dp->tree.stree[ROOT], 1, 0))) in dbAllocDmap()
2083 dbFreeBits(bmp, dp, blkno, nblocks); in dbAllocDmap()
2115 static int dbFreeDmap(struct bmap * bmp, struct dmap * dp, s64 blkno, in dbFreeDmap() argument
2127 rc = dbFreeBits(bmp, dp, blkno, nblocks); in dbFreeDmap()
2137 if ((rc = dbAdjCtl(bmp, blkno, dp->tree.stree[ROOT], 0, 0))) { in dbFreeDmap()
2148 dbAllocBits(bmp, dp, blkno, nblocks); in dbFreeDmap()
2177 static void dbAllocBits(struct bmap * bmp, struct dmap * dp, s64 blkno, in dbAllocBits() argument
2253 jfs_error(bmp->db_ipbmap->i_sb, in dbAllocBits()
2284 BMAP_LOCK(bmp); in dbAllocBits()
2290 agno = blkno >> bmp->db_agl2size; in dbAllocBits()
2291 if (agno > bmp->db_maxag) in dbAllocBits()
2292 bmp->db_maxag = agno; in dbAllocBits()
2295 bmp->db_agfree[agno] -= nblocks; in dbAllocBits()
2296 bmp->db_nfree -= nblocks; in dbAllocBits()
2298 BMAP_UNLOCK(bmp); in dbAllocBits()
2324 static int dbFreeBits(struct bmap * bmp, struct dmap * dp, s64 blkno, in dbFreeBits() argument
2428 BMAP_LOCK(bmp); in dbFreeBits()
2433 agno = blkno >> bmp->db_agl2size; in dbFreeBits()
2434 bmp->db_nfree += nblocks; in dbFreeBits()
2435 bmp->db_agfree[agno] += nblocks; in dbFreeBits()
2442 if ((bmp->db_agfree[agno] == bmp->db_agsize && agno == bmp->db_maxag) || in dbFreeBits()
2443 (agno == bmp->db_numag - 1 && in dbFreeBits()
2444 bmp->db_agfree[agno] == (bmp-> db_mapsize & (BPERDMAP - 1)))) { in dbFreeBits()
2445 while (bmp->db_maxag > 0) { in dbFreeBits()
2446 bmp->db_maxag -= 1; in dbFreeBits()
2447 if (bmp->db_agfree[bmp->db_maxag] != in dbFreeBits()
2448 bmp->db_agsize) in dbFreeBits()
2456 if (bmp->db_agpref > bmp->db_maxag) in dbFreeBits()
2457 bmp->db_agpref = bmp->db_maxag; in dbFreeBits()
2460 BMAP_UNLOCK(bmp); in dbFreeBits()
2508 dbAdjCtl(struct bmap * bmp, s64 blkno, int newval, int alloc, int level) in dbAdjCtl() argument
2520 lblkno = BLKTOCTL(blkno, bmp->db_l2nbperpage, level); in dbAdjCtl()
2521 mp = read_metapage(bmp->db_ipbmap, lblkno, PSIZE, 0); in dbAdjCtl()
2527 jfs_error(bmp->db_ipbmap->i_sb, "Corrupt dmapctl page\n"); in dbAdjCtl()
2587 if (level < bmp->db_maxlevel) { in dbAdjCtl()
2592 dbAdjCtl(bmp, blkno, dcp->stree[ROOT], alloc, in dbAdjCtl()
2625 assert(level == bmp->db_maxlevel); in dbAdjCtl()
2626 if (bmp->db_maxfreebud != oldroot) { in dbAdjCtl()
2627 jfs_error(bmp->db_ipbmap->i_sb, in dbAdjCtl()
2630 bmp->db_maxfreebud = dcp->stree[ROOT]; in dbAdjCtl()
3215 struct bmap *bmp = JFS_SBI(ip->i_sb)->bmap; in dbAllocBottomUp() local
3220 ASSERT(nblocks <= bmp->db_mapsize - blkno); in dbAllocBottomUp()
3233 lblkno = BLKTODMAP(blkno, bmp->db_l2nbperpage); in dbAllocBottomUp()
3247 if ((rc = dbAllocDmapBU(bmp, dp, blkno, nb))) { in dbAllocBottomUp()
3263 static int dbAllocDmapBU(struct bmap * bmp, struct dmap * dp, s64 blkno, in dbAllocDmapBU() argument
3336 BMAP_LOCK(bmp); in dbAllocDmapBU()
3342 agno = blkno >> bmp->db_agl2size; in dbAllocDmapBU()
3343 if (agno > bmp->db_maxag) in dbAllocDmapBU()
3344 bmp->db_maxag = agno; in dbAllocDmapBU()
3347 bmp->db_agfree[agno] -= nblocks; in dbAllocDmapBU()
3348 bmp->db_nfree -= nblocks; in dbAllocDmapBU()
3350 BMAP_UNLOCK(bmp); in dbAllocDmapBU()
3360 if ((rc = dbAdjCtl(bmp, blkno, tp->stree[ROOT], 1, 0))) in dbAllocDmapBU()
3361 dbFreeBits(bmp, dp, blkno, nblocks); in dbAllocDmapBU()
3395 struct bmap *bmp = sbi->bmap; in dbExtendFS() local
3412 bmp->db_mapsize = newsize; in dbExtendFS()
3413 bmp->db_maxlevel = BMAPSZTOLEV(bmp->db_mapsize); in dbExtendFS()
3417 oldl2agsize = bmp->db_agl2size; in dbExtendFS()
3419 bmp->db_agl2size = l2agsize; in dbExtendFS()
3420 bmp->db_agsize = 1 << l2agsize; in dbExtendFS()
3423 agno = bmp->db_numag; in dbExtendFS()
3424 bmp->db_numag = newsize >> l2agsize; in dbExtendFS()
3425 bmp->db_numag += ((u32) newsize % (u32) bmp->db_agsize) ? 1 : 0; in dbExtendFS()
3438 ag_rem = bmp->db_agfree[0]; /* save agfree[0] */ in dbExtendFS()
3440 bmp->db_agfree[n] = 0; /* init collection point */ in dbExtendFS()
3445 bmp->db_agfree[n] += bmp->db_agfree[i]; in dbExtendFS()
3448 bmp->db_agfree[0] += ag_rem; /* restore agfree[0] */ in dbExtendFS()
3451 bmp->db_agfree[n] = 0; in dbExtendFS()
3457 bmp->db_maxag = bmp->db_maxag / k; in dbExtendFS()
3573 bmp->db_nfree += n; in dbExtendFS()
3575 bmp->db_agfree[agno] += n; in dbExtendFS()
3604 bmp->db_maxfreebud = *l1leaf; in dbExtendFS()
3628 bmp->db_maxfreebud = *l2leaf; in dbExtendFS()
3658 struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap; in dbFinalizeBmap() local
3673 actags = bmp->db_maxag + 1; in dbFinalizeBmap()
3674 inactags = bmp->db_numag - actags; in dbFinalizeBmap()
3675 ag_rem = bmp->db_mapsize & (bmp->db_agsize - 1); /* ??? */ in dbFinalizeBmap()
3683 ((inactags - 1) << bmp->db_agl2size) + ag_rem in dbFinalizeBmap()
3684 : inactags << bmp->db_agl2size; in dbFinalizeBmap()
3690 actfree = bmp->db_nfree - inactfree; in dbFinalizeBmap()
3697 if (bmp->db_agfree[bmp->db_agpref] < avgfree) { in dbFinalizeBmap()
3698 for (bmp->db_agpref = 0; bmp->db_agpref < actags; in dbFinalizeBmap()
3699 bmp->db_agpref++) { in dbFinalizeBmap()
3700 if (bmp->db_agfree[bmp->db_agpref] >= avgfree) in dbFinalizeBmap()
3703 if (bmp->db_agpref >= bmp->db_numag) { in dbFinalizeBmap()
3716 bmp->db_aglevel = BMAPSZTOLEV(bmp->db_agsize); in dbFinalizeBmap()
3718 bmp->db_agl2size - (L2BPERDMAP + bmp->db_aglevel * L2LPERCTL); in dbFinalizeBmap()
3719 bmp->db_agheight = l2nl >> 1; in dbFinalizeBmap()
3720 bmp->db_agwidth = 1 << (l2nl - (bmp->db_agheight << 1)); in dbFinalizeBmap()
3721 for (i = 5 - bmp->db_agheight, bmp->db_agstart = 0, n = 1; i > 0; in dbFinalizeBmap()
3723 bmp->db_agstart += n; in dbFinalizeBmap()