72 static int	chainalloc(struct msdosfsmount *pmp, u_long start,
73 		    u_long count, u_long fillwith, u_long *retcluster,
74 		    u_long *got);
75 static int	chainlength(struct msdosfsmount *pmp, u_long start,
76 		    u_long count);
77 static void	fatblock(struct msdosfsmount *pmp, u_long ofs, u_long *bnp,
78 		    u_long *sizep, u_long *bop);
79 static int	fatchain(struct msdosfsmount *pmp, u_long start, u_long count,
80 		    u_long fillwith);
81 static void	fc_lookup(struct denode *dep, u_long findcn, u_long *frcnp,
82 		    u_long *fsrcnp);
84 		    u_long fatbn);
86 		usemap_alloc(struct msdosfsmount *pmp, u_long cn);
88 		usemap_free(struct msdosfsmount *pmp, u_long cn);
89 static int	clusteralloc1(struct msdosfsmount *pmp, u_long start,
90 		    u_long count, u_long fillwith, u_long *retcluster,
91 		    u_long *got);
94 fatblock(struct msdosfsmount *pmp, u_long ofs, u_long *bnp, u_long *sizep,  in fatblock()
95     u_long *bop)  in fatblock()
97 	u_long bn, size;  in fatblock()
132 pcbmap(struct denode *dep, u_long findcn, daddr_t *bnp, u_long *cnp, int *sp)  in pcbmap()
135 	u_long i;  in pcbmap()
136 	u_long cn;  in pcbmap()
137 	u_long prevcn = 0; /* XXX: prevcn could be used uninitialized */  in pcbmap()
138 	u_long byteoffset;  in pcbmap()
139 	u_long bn;  in pcbmap()
140 	u_long bo;  in pcbmap()
142 	u_long bp_bn = -1;  in pcbmap()
144 	u_long bsize;  in pcbmap()
263 fc_lookup(struct denode *dep, u_long findcn, u_long *frcnp, u_long *fsrcnp)  in fc_lookup()
266 	u_long cn;  in fc_lookup()
309 updatefats(struct msdosfsmount *pmp, struct m_buf *bp, u_long fatbn)  in updatefats()
382 usemap_alloc(struct msdosfsmount *pmp, u_long cn)  in usemap_alloc()
397 usemap_free(struct msdosfsmount *pmp, u_long cn)  in usemap_free()
411 clusterfree(struct msdosfsmount *pmp, u_long cluster)  in clusterfree()
414 	u_long oldcn;  in clusterfree()
447 fatentry(int function, struct msdosfsmount *pmp, u_long cn, u_long *oldcontents,  in fatentry()
448     u_long newcontents)  in fatentry()
451 	u_long readcn;  in fatentry()
452 	u_long bn, bo, bsize, byteoffset;  in fatentry()
555 fatchain(struct msdosfsmount *pmp, u_long start, u_long count, u_long fillwith)  in fatchain()
558 	u_long bn, bo, bsize, byteoffset, readcn, newc;  in fatchain()
626 chainlength(struct msdosfsmount *pmp, u_long start, u_long count)  in chainlength()
628 	u_long idx, max_idx;  in chainlength()
630 	u_long len;  in chainlength()
681 chainalloc(struct msdosfsmount *pmp, u_long start, u_long count,  in chainalloc()
682     u_long fillwith, u_long *retcluster, u_long *got)  in chainalloc()
685 	u_long cl, n;  in chainalloc()
724 clusteralloc(struct msdosfsmount *pmp, u_long start, u_long count,  in clusteralloc()
725     u_long fillwith, u_long *retcluster, u_long *got)  in clusteralloc()
734 clusteralloc1(struct msdosfsmount *pmp, u_long start, u_long count,  in clusteralloc1()
735     u_long fillwith, u_long *retcluster, u_long *got)  in clusteralloc1()
737 	u_long idx;  in clusteralloc1()
738 	u_long len, newst, foundl, cn, l;  in clusteralloc1()
739 	u_long foundcn = 0; /* XXX: foundcn could be used uninitialized */  in clusteralloc1()
807 freeclusterchain(struct msdosfsmount *pmp, u_long cluster)  in freeclusterchain()
811 	u_long bn, bo, bsize, byteoffset;  in freeclusterchain()
812 	u_long readcn, lbn = -1;  in freeclusterchain()
870 	u_long bn, bo, bsize, byteoffset, cn, readcn;  in fillinusemap()
950 m_extendfile(struct denode *dep, u_long count, struct m_buf **bpp, u_long *ncp,  in m_extendfile()
954 	u_long frcn;  in m_extendfile()
955 	u_long cn, got;  in m_extendfile()