58  *		  extent that is used as an allocation hint if the
73 	s64 nxlen, nxaddr, xoff, hint, xaddr = 0;  in extAlloc()  local
90 	/* check if an allocation hint was provided */  in extAlloc()
91 	if ((hint = addressXAD(xp))) {  in extAlloc()
92 		/* get the size of the extent described by the hint */  in extAlloc()
95 		/* check if the hint is for the portion of the file  in extAlloc()
97 		 * request and if hint extent has the same abnr  in extAlloc()
99 		 * extend the hint extent to include the current  in extAlloc()
101 		 * following the hint extent.  in extAlloc()
105 			xaddr = hint + nxlen;  in extAlloc()
107 		/* adjust the hint to the last block of the extent */  in extAlloc()
108 		hint += (nxlen - 1);  in extAlloc()
122 	if ((rc = extBalloc(ip, hint ? hint : INOHINT(ip), &nxlen, &nxaddr))) {  in extAlloc()
138 	/* if we can extend the hint extent to cover the current request,  in extAlloc()
180  * FUNCTION:	produce an extent allocation hint for a file offset.
184  *	offset  - file offset for which the hint is needed.
186  *		  the hint.
202 	/* init the hint as "no hint provided" */  in extHint()
210 	/* if the offset is in the first page of the file, no hint provided.  in extHint()
227 		 * of the returned hint.  in extHint()
284  *	hint	 - disk block number to be used as an allocation hint.
299 extBalloc(struct inode *ip, s64 hint, s64 * nblocks, s64 * blkno)  in extBalloc()  argument
326 	while ((rc = dbAlloc(ip, hint, nb, &daddr)) != 0) {  in extBalloc()