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,
90 		       int l2nb, s64 * results);
91 static int dbAllocDmap(struct bmap * bmp, struct dmap * dp, s64 blkno,
95 			  s64 * results);
96 static int dbAllocAG(struct bmap * bmp, int agno, s64 nblocks, int l2nb,
97 		     s64 * results);
98 static int dbAllocCtl(struct bmap * bmp, s64 nblocks, int l2nb, s64 blkno,
99 		      s64 * results);
100 static int dbExtend(struct inode *ip, s64 blkno, s64 nblocks, s64 addnblocks);
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,
109 static int blkstol2(s64 nb);
114 static int dbAllocDmapBU(struct bmap * bmp, struct dmap * dp, s64 blkno,
116 static int dbInitDmap(struct dmap * dp, s64 blkno, int nblocks);
120 static int dbGetL2AGSize(s64 nblocks);
331 int dbFree(struct inode *ip, s64 blkno, s64 nblocks)  in dbFree()
336 	s64 lblkno, rem;  in dbFree()
425 	     int free, s64 blkno, s64 nblocks, struct tblock * tblk)  in dbUpdatePMap()
430 	s64 lblkno, rem, lastlblkno;  in dbUpdatePMap()
479 		nblks = min(rem, (s64)BPERDMAP - dbitno);  in dbUpdatePMap()
605 	s64 avgfree;  in dbNextAG()
607 	s64 hwm = 0;  in dbNextAG()
700 int dbAlloc(struct inode *ip, s64 hint, s64 nblocks, s64 * results)  in dbAlloc()
706 	s64 lblkno, blkno;  in dbAlloc()
709 	s64 mapSize;  in dbAlloc()
893 int dbAllocExact(struct inode *ip, s64 blkno, int nblocks)  in dbAllocExact()
899 	s64 lblkno;  in dbAllocExact()
916 	if (nblocks > ((s64) 1 << bmp->db_maxfreebud)) {  in dbAllocExact()
979 	  s64 blkno, s64 nblocks, s64 addnblocks, s64 * results)  in dbReAlloc()
1026 static int dbExtend(struct inode *ip, s64 blkno, s64 nblocks, s64 addnblocks)  in dbExtend()
1029 	s64 lblkno, lastblkno, extblkno;  in dbExtend()
1125 static int dbAllocNext(struct bmap * bmp, struct dmap * dp, s64 blkno,  in dbAllocNext()
1258 	    struct dmap * dp, s64 blkno, int nblocks, int l2nb, s64 * results)  in dbAllocNear()
1366 dbAllocAG(struct bmap * bmp, int agno, s64 nblocks, int l2nb, s64 * results)  in dbAllocAG()
1371 	s64 blkno, lblkno;  in dbAllocAG()
1386 	blkno = (s64) agno << bmp->db_agl2size;  in dbAllocAG()
1488 		    ((s64) (ti - le32_to_cpu(dcp->leafidx))) << budmin;  in dbAllocAG()
1564 static int dbAllocAny(struct bmap * bmp, s64 nblocks, int l2nb, s64 * results)  in dbAllocAny()
1567 	s64 blkno = 0;  in dbAllocAny()
1619 s64 dbDiscardAG(struct inode *ip, int agno, s64 minlen)  in dbDiscardAG()
1623 	s64 nblocks, blkno;  in dbDiscardAG()
1727 static int dbFindCtl(struct bmap * bmp, int l2nb, int level, s64 * blkno)  in dbFindCtl()
1730 	s64 b, lblkno;  in dbFindCtl()
1784 		b += (((s64) leafidx) << budmin);  in dbFindCtl()
1846 dbAllocCtl(struct bmap * bmp, s64 nblocks, int l2nb, s64 blkno, s64 * results)  in dbAllocCtl()
1849 	s64 b, lblkno, n;  in dbAllocCtl()
1905 		nb = min_t(s64, n, BPERDMAP);  in dbAllocCtl()
1998 	       struct dmap * dp, int nblocks, int l2nb, s64 * results)  in dbAllocDmapLev()
2000 	s64 blkno;  in dbAllocDmapLev()
2060 static int dbAllocDmap(struct bmap * bmp, struct dmap * dp, s64 blkno,  in dbAllocDmap()
2115 static int dbFreeDmap(struct bmap * bmp, struct dmap * dp, s64 blkno,  in dbFreeDmap()
2177 static void dbAllocBits(struct bmap * bmp, struct dmap * dp, s64 blkno,  in dbAllocBits()
2324 static int dbFreeBits(struct bmap * bmp, struct dmap * dp, s64 blkno,  in dbFreeBits()
2508 dbAdjCtl(struct bmap * bmp, s64 blkno, int newval, int alloc, int level)  in dbAdjCtl()
2513 	s64 lblkno;  in dbAdjCtl()
3160 static int blkstol2(s64 nb)  in blkstol2()
3163 	s64 mask;		/* meant to be signed */  in blkstol2()
3165 	mask = (s64) 1 << (64 - 1);  in blkstol2()
3208 int dbAllocBottomUp(struct inode *ip, s64 blkno, s64 nblocks)  in dbAllocBottomUp()
3213 	s64 lblkno, rem;  in dbAllocBottomUp()
3263 static int dbAllocDmapBU(struct bmap * bmp, struct dmap * dp, s64 blkno,  in dbAllocDmapBU()
3384 int dbExtendFS(struct inode *ipbmap, s64 blkno,	s64 nblocks)  in dbExtendFS()
3389 	s64 newsize;  in dbExtendFS()
3390 	s64 p;  in dbExtendFS()
3397 	s64 ag_rem;  in dbExtendFS()
3559 					n = min(nblocks, (s64)BPERDMAP - n);  in dbExtendFS()
3567 					n = min_t(s64, nblocks, BPERDMAP);  in dbExtendFS()
3660 	s64 ag_rem, actfree, inactfree, avgfree;  in dbFinalizeBmap()
3747 static int dbInitDmap(struct dmap * dp, s64 Blkno, int nblocks)  in dbInitDmap()
4004 static int dbGetL2AGSize(s64 nblocks)  in dbGetL2AGSize()
4006 	s64 sz;  in dbGetL2AGSize()
4007 	s64 m;  in dbGetL2AGSize()
4020 	sz = (s64) 1 << l2sz;  in dbGetL2AGSize()
4052 s64 dbMapFileSizeToMapSize(struct inode * ipbmap)  in dbMapFileSizeToMapSize()
4055 	s64 nblocks;  in dbMapFileSizeToMapSize()
4056 	s64 npages, ndmaps;  in dbMapFileSizeToMapSize()