sys/nfsclient/nfs_bio.c

110 			nfs_printf("nfs_getpages: called on non-cacheable vnode??\n");
280 		nfs_printf("nfs_putpages: called on noncache-able vnode??\n");
343  * If the file's modify time on the server has changed since the
434 	int nra, error = 0, n = 0, on = 0;
478 		on = uio->uio_offset - (lbn * biosize);
541 		 * on is the offset into the current bp.  Figure out how many
549 		if (on < bcount)
550 			n = MIN((unsigned)(bcount - on), uio->uio_resid);
570 		on = 0;
579 		on = uio->uio_offset & (NFS_DIRBLKSIZ - 1);
596 			 * Yuck! The directory has been modified on the
683 		n = lmin(uio->uio_resid, NFS_DIRBLKSIZ - bp->b_resid - on);
694 		    error = uiomove(bp->b_data + on, (int)n, uio);
870 	int n, on, error = 0;
1014 		on = uio->uio_offset - (lbn * biosize);
1015 		n = MIN((unsigned)(biosize - on), uio->uio_resid);
1030 			bcount = on;
1052 			bcount = on + n;
1079 		 * mode, B_CACHE is based on the buffer prior to the write
1083 		 * on our end, resulting in b_resid == 0 and, thusly,
1096 		if (on == 0 && n == bcount) {
1145 		 * especially if locking is implemented later on.
1154 		    (on > bp->b_dirtyend || (on + n) < bp->b_dirtyoff)) {
1162 		error = uiomove((char *)bp->b_data + on, n, uio);
1184 				bp->b_dirtyoff = min(on, bp->b_dirtyoff);
1185 				bp->b_dirtyend = max((on + n), bp->b_dirtyend);
1187 				bp->b_dirtyoff = on;
1188 				bp->b_dirtyend = on + n;
1190 			vfs_bio_set_valid(bp, on, n);
1205 		} else if ((n + on) == biosize) {
1330  * are all hung on a dead server.
1352 	 * an nfsiod thread while holding a lock on one of these vnodes.
1396 	 * If none are free, we may already have an iod working on this mount
1475 	 * All the iods are busy on other mounts, so return EIO to
1702 		 * If the buffer is marked B_PAGING, it does not reside on
1717 		 * the wire for this object, returning an error to user on next
1760  * Used to aid in handling ftruncate() operations on the NFS client side.