bsd/hfs/hfs_btreeio.c

388 	ExtendedVCB	*vcb;
408 	vcb = VTOVCB(vp);
420 	lockflags = hfs_systemfile_lock(vcb, lockflags, HFS_EXCLUSIVE_LOCK);
430 	if (vcb->blockSize >= btInfo.nodeSize) {
440 	startAllocation = vcb->nextAllocation;
448 		retval = ExtendFileC(vcb, filePtr, bytesToAdd, 0,
466 	    filePtr->fcbEOF = (u_int64_t)filePtr->ff_blocks * (u_int64_t)vcb->blockSize;
476 	    ((VCBTOHFS(vcb)->hfs_flags & HFS_METADATA_ZONE) == 0) &&
477 	    (vcb->nextAllocation > startAllocation) &&
478 	    ((vcb->nextAllocation + fileblocks) < vcb->allocLimit)) {
479 		HFS_UPDATE_NEXT_ALLOCATION(vcb, vcb->nextAllocation + fileblocks);
482 	filePtr->fcbEOF = (u_int64_t)filePtr->ff_blocks * (u_int64_t)vcb->blockSize;
513 		ret = TruncateFileC(vcb, filePtr, filePtr->fcbEOF - trim, 0, 0, FTOC(filePtr)->c_fileid, 0);
514 		filePtr->fcbEOF = (u_int64_t)filePtr->ff_blocks * (u_int64_t)vcb->blockSize;
534 		(void) BTFlushPath(VTOF(vcb->extentsRefNum));
535 		(void) hfs_fsync(vcb->extentsRefNum, MNT_WAIT, 0, p);
537 	hfs_systemfile_unlock(vcb, lockflags);
553 		MarkVCBDirty( vcb );
554 		ret = hfs_flushvolumeheader(VCBTOHFS(vcb), MNT_WAIT, HFS_ALTFLUSH);
567 		hfs_systemfile_unlock(vcb, lockflags);