bsd/vfs/vfs_cluster.c

170 static void cluster_syncup(vnode_t vp, off_t newEOF, int (*)(buf_t, void *), void *callback_arg);
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,
186 static int cluster_write_contig(vnode_t vp, struct uio *uio, off_t newEOF,
463 cluster_syncup(vnode_t vp, off_t newEOF, int (*callback)(buf_t, void *), void *callback_arg)
472 			cluster_try_push(wbp, vp, newEOF, PUSH_ALL | PUSH_SYNC, 0, callback, callback_arg);
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);
2023 	while ((cur_resid = uio_resid(uio)) && uio->uio_offset < newEOF && retval == 0) {
2054 			retval = cluster_write_copy(vp, uio, write_length, oldEOF, newEOF, headOff, tailOff, zflags, callback, callback_arg);
2071 			retval = cluster_write_contig(vp, uio, newEOF, &write_type, &write_length, callback, callback_arg, bflag);
2089 			retval = cluster_write_direct(vp, uio, oldEOF, newEOF, &write_type, &write_length, flags, callback, callback_arg);
2114 cluster_write_direct(vnode_t vp, struct uio *uio, off_t oldEOF, off_t newEOF, int *write_type, u_int32_t *write_length,
2156 		     (int)uio->uio_offset, *write_length, (int)newEOF, 0, 0);
2215 	while (io_req_size >= PAGE_SIZE && uio->uio_offset < newEOF && retval == 0) {
2245 		        cluster_syncup(vp, newEOF, callback, callback_arg);
2456 				     (int)uio->uio_offset, *write_length, (int)newEOF, 0, 0);
2495 	        retval = cluster_write_copy(vp, uio, io_req_size, oldEOF, newEOF, (off_t)0, (off_t)0, flags, callback, callback_arg);
2507 cluster_write_contig(vnode_t vp, struct uio *uio, off_t newEOF, int *write_type, u_int32_t *write_length,
2536 	cluster_syncup(vp, newEOF, 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);
2812 		} else if (headOff < newEOF) {
2813 		        zero_cnt = newEOF - headOff;
2835 		if (uio && newEOF > oldEOF) {
2838 			if (zero_off1 == newEOF && (zero_off1 & PAGE_MASK_64)) {
3082 			if ((upl_f_offset + io_size) >= newEOF && (u_int)io_size < upl_size) {
3139 					sparse_cluster_add(&(wbp->cl_scmap), vp, &cl, newEOF, callback, callback_arg);
3154 				sparse_cluster_push(&(wbp->cl_scmap), vp, newEOF, PUSH_ALL, 0, callback, callback_arg);
3299 					cluster_try_push(wbp, vp, newEOF, 0, 0, callback, callback_arg);
3326 				ret_cluster_try_push = cluster_try_push(wbp, vp, newEOF, (flags & IO_NOCACHE) ? 0 : PUSH_DELAY, 0, callback, callback_arg);
3338 			        sparse_cluster_switch(wbp, vp, newEOF, callback, callback_arg);
3339 				sparse_cluster_add(&(wbp->cl_scmap), vp, &cl, newEOF, callback, callback_arg);
3372 			retval = cluster_push_now(vp, &cl, newEOF, flags, callback, callback_arg);