fs/msdosfs/msdosfs_vnops.c

136 	struct denode *dep;
175 	error = createde(&ndirent, pdep, &dep, cnp);
178 	*ap->a_vpp = DETOV(dep);
197 	struct denode *dep = VTODE(ap->a_vp);
198 	vnode_create_vobject(ap->a_vp, dep->de_FileSize, ap->a_td);
206 	struct denode *dep = VTODE(vp);
212 		DETIMES(dep, &ts, &ts, &ts);
222 	struct denode *dep = VTODE(ap->a_vp);
223 	struct msdosfsmount *pmp = dep->de_pmp;
253 	struct denode *dep = VTODE(ap->a_vp);
254 	struct msdosfsmount *pmp = dep->de_pmp;
262 	DETIMES(dep, &ts, &ts, &ts);
269 	if (dep->de_Attributes & ATTR_DIRECTORY) {
270 		fileid = (uint64_t)cntobn(pmp, dep->de_StartCluster) *
272 		if (dep->de_StartCluster == MSDOSFSROOT)
275 		fileid = (uint64_t)cntobn(pmp, dep->de_dirclust) *
277 		if (dep->de_dirclust == MSDOSFSROOT)
279 		fileid += (uoff_t)dep->de_diroffset / sizeof(struct direntry);
284 	if (dep->de_Attributes & ATTR_READONLY)
292 	vap->va_size = dep->de_FileSize;
293 	fattime2timespec(dep->de_MDate, dep->de_MTime, 0, 0, &vap->va_mtime);
296 		fattime2timespec(dep->de_ADate, 0, 0, 0, &vap->va_atime);
297 		fattime2timespec(dep->de_CDate, dep->de_CTime, dep->de_CHun,
305 	if (dep->de_Attributes & ATTR_ARCHIVE)
307 	if (dep->de_Attributes & ATTR_HIDDEN)
309 	if (dep->de_Attributes & ATTR_READONLY)
311 	if (dep->de_Attributes & ATTR_SYSTEM)
315 	if (dep->de_StartCluster != MSDOSFSROOT)
317 		    (dep->de_FileSize + pmp->pm_crbomask) & ~pmp->pm_crbomask;
321 	vap->va_filerev = dep->de_modrev;
329 	struct denode *dep = VTODE(ap->a_vp);
330 	struct msdosfsmount *pmp = dep->de_pmp;
392 			dep->de_Attributes |= ATTR_ARCHIVE;
394 			dep->de_Attributes &= ~ATTR_ARCHIVE;
396 			dep->de_Attributes |= ATTR_HIDDEN;
398 			dep->de_Attributes &= ~ATTR_HIDDEN;
402 				dep->de_Attributes |= ATTR_READONLY;
404 				dep->de_Attributes &= ~ATTR_READONLY;
407 			dep->de_Attributes |= ATTR_SYSTEM;
409 			dep->de_Attributes &= ~ATTR_SYSTEM;
410 		dep->de_flag |= DE_MODIFIED;
463 		error = detrunc(dep, vap->va_size, 0, cred);
475 			dep->de_flag &= ~DE_ACCESS;
477 			    &dep->de_ADate, NULL, NULL);
480 			dep->de_flag &= ~DE_UPDATE;
482 			    &dep->de_MDate, &dep->de_MTime, NULL);
489 			dep->de_Attributes |= ATTR_ARCHIVE;
490 		dep->de_flag |= DE_MODIFIED;
508 				dep->de_Attributes &= ~ATTR_READONLY;
510 				dep->de_Attributes |= ATTR_READONLY;
511 			dep->de_Attributes |= ATTR_ARCHIVE;
512 			dep->de_flag |= DE_MODIFIED;
515 	return (deupdat(dep, 0));
534 	struct denode *dep = VTODE(vp);
535 	struct msdosfsmount *pmp = dep->de_pmp;
549 	 * dep->de_FileSize <= MSDOSFS_FILESIZE_MAX < OFF_MAX, so large
555 	isadir = dep->de_Attributes & ATTR_DIRECTORY;
557 		if (uio->uio_offset >= dep->de_FileSize)
570 			error = pcbmap(dep, lbn, &lbn, 0, &blsize);
577 		} else if (de_cn2off(pmp, rablock) >= dep->de_FileSize) {
580 			error = cluster_read(vp, dep->de_FileSize, lbn, blsize,
595 		diff = dep->de_FileSize - uio->uio_offset;
606 		dep->de_flag |= DE_ACCESS;
629 	struct denode *dep = VTODE(vp);
630 	struct msdosfsmount *pmp = dep->de_pmp;
637 	    dep->de_diroffset, dep->de_dirclust, dep->de_StartCluster);
643 			uio->uio_offset = dep->de_FileSize;
679 	if (uio->uio_offset > dep->de_FileSize) {
680 		error = deextend(dep, uio->uio_offset, cred);
691 	osize = dep->de_FileSize;
700 		error = extendfile(dep, count, NULL, NULL, 0);
703 		lastcn = dep->de_fc[FC_LASTFC].fc_frcn;
716 		if (uio->uio_offset + n > dep->de_FileSize) {
717 			dep->de_FileSize = uio->uio_offset + n;
719 			vnode_pager_setsize(vp, dep->de_FileSize);
726 			|| uio->uio_offset + uio->uio_resid >= dep->de_FileSize)) {
745 				error = pcbmap(dep, bp->b_lblkno, &bn, 0, 0);
801 				cluster_write(vp, &dep->de_clusterw, bp,
802 				    dep->de_FileSize, seqcount, 0);
807 		dep->de_flag |= DE_UPDATE;
817 			detrunc(dep, osize, ioflag & IO_SYNC, NOCRED);
821 			detrunc(dep, dep->de_FileSize, ioflag & IO_SYNC, NOCRED);
826 		error = deupdat(dep, 1);
871 	struct denode *dep = VTODE(ap->a_vp);
878 		error = removede(ddep, dep);
880 	printf("msdosfs_remove(), dep %p, v_usecount %d\n", dep, ap->a_vp->v_usecount);
1341 	struct denode *dep;
1432 	error = createde(&ndirent, pdep, &dep, cnp);
1435 	*ap->a_vpp = DETOV(dep);
1472 	 * being found by deget().  When the vput() on dep is done we give
1518 	struct denode *dep = VTODE(ap->a_vp);
1519 	struct msdosfsmount *pmp = dep->de_pmp;
1539 	if ((dep->de_Attributes & ATTR_DIRECTORY) == 0)
1574 	if (dep->de_StartCluster == MSDOSFSROOT
1575 	    || (FAT32(pmp) && dep->de_StartCluster == pmp->pm_rootdirblk)) {
1625 		diff = dep->de_FileSize - (offset - bias);
1629 		error = pcbmap(dep, lbn, &bn, &cn, &blsize);
1759 		if (dep->de_FileSize - (offset - bias) <= 0)
1782 	struct denode *dep;
1791 	dep = VTODE(vp);
1792 	pmp = dep->de_pmp;
1804 	error = pcbmap(dep, cn, ap->a_bnp, NULL, NULL);
1820 	savefc = dep->de_fc[FC_LASTMAP];
1828 			if (pcbmap(dep, cn + run, &runbn, NULL, NULL) != 0 ||
1837 			if (pcbmap(dep, cn - run, &runbn, NULL, NULL) != 0 ||
1843 	dep->de_fc[FC_LASTMAP] = savefc;
1885 	struct denode *dep = VTODE(ap->a_vp);
1897 		error = pcbmap(dep, bp->b_lblkno, &blkno, 0, 0);
1917 	bo = dep->de_pmp->pm_bo;
1925 	struct denode *dep = VTODE(ap->a_vp);
1928 	       dep->de_StartCluster, dep->de_dirclust, dep->de_diroffset);
1929 	printf("on dev %s\n", devtoname(dep->de_pmp->pm_dev));
1963 	struct denode *dep;
1966 	dep = VTODE(ap->a_vp);
1969 	defhp->defid_dirclust = dep->de_dirclust;
1970 	defhp->defid_dirofs = dep->de_diroffset;
1971 	/* defhp->defid_gen = dep->de_gen; */