bsd/hfs/hfs_readwrite.c

119 	off_t filebytes;
203 	filebytes = (off_t)fp->ff_blocks * (off_t)hfsmp->blockSize;
213 		(int)uio_offset(uio), uio_resid(uio), (int)filesize, (int)filebytes, 0);
220 		(int)uio_offset(uio), uio_resid(uio), (int)filesize,  (int)filebytes, 0);
281 	off_t filebytes;
395 	filebytes = (off_t)fp->ff_blocks * (off_t)hfsmp->blockSize;
467 		     (int)filebytes, 0);
470 	if (writelimit <= filebytes) {
475 	bytesToAdd = writelimit - filebytes;
489 	while (writelimit > filebytes) {
490 		bytesToAdd = writelimit - filebytes;
513 		filebytes = (off_t)fp->ff_blocks * (off_t)hfsmp->blockSize;
515 			(int)offset, uio_resid(uio), (int)fp->ff_size,  (int)filebytes, 0);
525 	if ((retval == ENOSPC) && (filebytes > offset)) {
530 		writelimit = filebytes;
780 			filebytes = (off_t)fp->ff_blocks * (off_t)hfsmp->blockSize;
793 		(int)uio_offset(uio), uio_resid(uio), (int)fp->ff_size, (int)filebytes, 0);
2847 	off_t filebytes;
2855 	filebytes = (off_t)fileblocks * (off_t)blksize;
2858 		 (int)length, (int)fp->ff_size, (int)filebytes, 0, 0);
2895 		retval = hfs_chkdq(cp, (int64_t)(roundup(length - filebytes, blksize)),
2904 		if (length > filebytes) {
2917 			if (filebytes == 0 &&
2934 			while ((length > filebytes) && (retval == E_NONE)) {
2935 				bytesToAdd = length - filebytes;
2943 				filebytes = (off_t)fp->ff_blocks * (off_t)blksize;
2945 					if (length > filebytes)
2946 						length = filebytes;
2969 				(int)length, (int)fp->ff_size, (int)filebytes, 0, 0);
3101 			filebytes = (off_t)fp->ff_blocks * (off_t)blksize;
3106 			(void) hfs_chkdq(cp, (int64_t)-(savedbytes - filebytes), NOCRED, 0);
3136 		 (int)length, (int)fp->ff_size, (int)filebytes, retval, 0);
3238 	off_t filebytes;
3249 		filebytes = (off_t)fileblocks * (off_t)blksize;
3253 		while (filebytes > 0) {
3254 			if (filebytes > HFS_BIGFILE_SIZE && overflow_extents(datafork)) {
3255 				filebytes -= HFS_BIGFILE_SIZE;
3257 				filebytes = 0;
3273 				error = MacToVFSError(TruncateFileC(HFSTOVCB(hfsmp), datafork, filebytes, 1, 0, fileid, false));
3278 				datafork->ff_size = filebytes;
3294 		filebytes = (off_t)fileblocks * (off_t)blksize;
3298 		while (filebytes > 0) {
3299 			if (filebytes > HFS_BIGFILE_SIZE && overflow_extents(rsrcfork)) {
3300 				filebytes -= HFS_BIGFILE_SIZE;
3302 				filebytes = 0;
3318 				error = MacToVFSError(TruncateFileC(HFSTOVCB(hfsmp), rsrcfork, filebytes, 1, 1, fileid, false));
3323 				rsrcfork->ff_size = filebytes;
3349 	off_t filebytes;
3365 	filebytes = (off_t)fileblocks * (off_t)blksize;
3390 	if (length < filebytes) {
3391 		while (filebytes > length) {
3392 			if ((filebytes - length) > HFS_BIGFILE_SIZE && overflow_extents(fp)) {
3393 		    		filebytes -= HFS_BIGFILE_SIZE;
3395 		    		filebytes = length;
3398 			error = do_hfs_truncate(vp, filebytes, flags, skipupdate, context);
3402 	} else if (length > filebytes) {
3403 		while (filebytes < length) {
3404 			if ((length - filebytes) > HFS_BIGFILE_SIZE && overflow_extents(fp)) {
3405 				filebytes += HFS_BIGFILE_SIZE;
3407 				filebytes = length;
3410 			error = do_hfs_truncate(vp, filebytes, flags, skipupdate, context);
3449 	off_t filebytes;
3483 	filebytes = (off_t)fileblocks * (off_t)vcb->blockSize;
3485 	if ((ap->a_flags & ALLOCATEFROMVOL) && (length < filebytes)) {
3504 	startingPEOF = filebytes;
3507 		length += filebytes;
3512 	if (filebytes == length)
3518 	 * value of filebytes is 0, length will be at least 1.
3520 	if (length > filebytes) {
3523 		orig_request_size = moreBytesRequested = length - filebytes;
3552 		while ((length > filebytes) && (retval == E_NONE)) {
3593 		    filebytes = (off_t)fp->ff_blocks * (off_t)vcb->blockSize;
3610 		if (retval && (startingPEOF == filebytes))
3634 		filebytes = (off_t)fp->ff_blocks * (off_t)vcb->blockSize;
3640 		if (retval && (startingPEOF == filebytes)) goto Err_Exit;
3643 		(void) hfs_chkdq(cp, (int64_t)-((startingPEOF - filebytes)), NOCRED,0);
3646 		if (fp->ff_size > filebytes) {
3647 			fp->ff_size = filebytes;