bsd/vfs/vfs_cluster.c

182 static int cluster_write_copy(vnode_t vp, struct uio *uio, u_int32_t io_req_size, off_t oldEOF, off_t newEOF,
184 static int cluster_write_direct(vnode_t vp, struct uio *uio, off_t oldEOF, off_t newEOF,
1969 cluster_write(vnode_t vp, struct uio *uio, off_t oldEOF, off_t newEOF, off_t headOff, off_t tailOff, int xflags)
1971         return cluster_write_ext(vp, uio, oldEOF, newEOF, headOff, tailOff, xflags, NULL, NULL);
1976 cluster_write_ext(vnode_t vp, struct uio *uio, off_t oldEOF, off_t newEOF, off_t headOff, off_t tailOff,
2003 	        retval = cluster_write_copy(vp, NULL, (u_int32_t)0, oldEOF, newEOF, headOff, tailOff, flags, callback, callback_arg);
2054 			retval = cluster_write_copy(vp, uio, write_length, oldEOF, newEOF, headOff, tailOff, zflags, callback, callback_arg);
2089 			retval = cluster_write_direct(vp, uio, oldEOF, newEOF, &write_type, &write_length, flags, callback, callback_arg);
2099 		 * we need to update the oldEOF so that we
2102 		 * page that is beyond the oldEOF if the write is unaligned... we only
2106 		if (uio->uio_offset > oldEOF)
2107 			oldEOF = uio->uio_offset;
2114 cluster_write_direct(vnode_t vp, struct uio *uio, off_t oldEOF, off_t newEOF, int *write_type, u_int32_t *write_length,
2432 		 * the tail of this request, we need to update the oldEOF so that we
2435 		 * page that is beyond the oldEOF if the write is unaligned... we only
2439 		if (uio->uio_offset > oldEOF)
2440 			oldEOF = uio->uio_offset;
2492 		if (uio->uio_offset > oldEOF)
2493 			oldEOF = uio->uio_offset;
2495 	        retval = cluster_write_copy(vp, uio, io_req_size, oldEOF, newEOF, (off_t)0, (off_t)0, flags, callback, callback_arg);
2741 cluster_write_copy(vnode_t vp, struct uio *uio, u_int32_t io_req_size, off_t oldEOF, off_t newEOF, off_t headOff,
2775 			     (int)uio->uio_offset, io_req_size, (int)oldEOF, (int)newEOF, 0);
2780 			     0, 0, (int)oldEOF, (int)newEOF, 0);
2817 		if (uio && uio->uio_offset > oldEOF) {
2820 			if (zero_off >= oldEOF) {
2835 		if (uio && newEOF > oldEOF) {
2957 		if (start_offset && upl_f_offset < oldEOF && !upl_valid_page(pl, 0)) {
2967 			if ((upl_f_offset + read_size) > oldEOF)
2968 			        read_size = oldEOF - upl_f_offset;
2997 		        if ((upl_f_offset + start_offset + io_size) < oldEOF &&
3003 				if ((off_t)(upl_f_offset + upl_offset + read_size) > oldEOF)
3004 				        read_size = oldEOF - (upl_f_offset + upl_offset);