1 /*	$NetBSD: msdosfs_vfsops.c,v 1.51 1997/11/17 15:36:58 ws Exp $	*/
115 static int	update_mp(struct mount *mp, struct thread *td);
116 static int	mountmsdosfs(struct vnode *devvp, struct mount *mp);
129 update_mp(struct mount *mp, struct thread *td)  in update_mp()  argument
131 	struct msdosfsmount *pmp = VFSTOMSDOSFS(mp);  in update_mp()
135 	if (!vfs_getopt(mp->mnt_optnew, "kiconv", NULL, NULL)) {  in update_mp()
137 			error = vfs_getopt(mp->mnt_optnew,  in update_mp()
140 				error = vfs_getopt(mp->mnt_optnew,  in update_mp()
143 				error = vfs_getopt(mp->mnt_optnew,  in update_mp()
161 	if (vfs_scanopt(mp->mnt_optnew, "gid", "%d", &v) == 1)  in update_mp()
163 	if (vfs_scanopt(mp->mnt_optnew, "uid", "%d", &v) == 1)  in update_mp()
165 	if (vfs_scanopt(mp->mnt_optnew, "mask", "%d", &v) == 1)  in update_mp()
167 	if (vfs_scanopt(mp->mnt_optnew, "dirmask", "%d", &v) == 1)  in update_mp()
169 	vfs_flagopt(mp->mnt_optnew, "shortname",  in update_mp()
171 	vfs_flagopt(mp->mnt_optnew, "shortnames",  in update_mp()
173 	vfs_flagopt(mp->mnt_optnew, "longname",  in update_mp()
175 	vfs_flagopt(mp->mnt_optnew, "longnames",  in update_mp()
177 	vfs_flagopt(mp->mnt_optnew, "kiconv",  in update_mp()
180 	if (vfs_getopt(mp->mnt_optnew, "nowin95", NULL, NULL) == 0)  in update_mp()
226  * mp - path - addr in user space of mount point (ie /usr or whatever)
231 msdosfs_mount(struct mount *mp)  in msdosfs_mount()  argument
243 	if (vfs_filteropt(mp->mnt_optnew, msdosfs_opts))  in msdosfs_mount()
250 	if (mp->mnt_flag & MNT_UPDATE) {  in msdosfs_mount()
251 		pmp = VFSTOMSDOSFS(mp);  in msdosfs_mount()
253 		    vfs_flagopt(mp->mnt_optnew, "ro", NULL, 0)) {  in msdosfs_mount()
254 			if ((error = vn_start_write(NULL, &mp, V_WAIT)) != 0)  in msdosfs_mount()
256 			error = vfs_write_suspend_umnt(mp);  in msdosfs_mount()
261 			if (mp->mnt_flag & MNT_FORCE)  in msdosfs_mount()
263 			error = vflush(mp, 0, flags, td);  in msdosfs_mount()
265 				vfs_write_resume(mp, 0);  in msdosfs_mount()
275 				vfs_write_resume(mp, 0);  in msdosfs_mount()
285 				vfs_write_resume(mp, 0);  in msdosfs_mount()
296 			MNT_ILOCK(mp);  in msdosfs_mount()
297 			mp->mnt_flag |= MNT_RDONLY;  in msdosfs_mount()
298 			MNT_IUNLOCK(mp);  in msdosfs_mount()
299 			vfs_write_resume(mp, 0);  in msdosfs_mount()
301 		    !vfs_flagopt(mp->mnt_optnew, "ro", NULL, 0)) {  in msdosfs_mount()
339 			MNT_ILOCK(mp);  in msdosfs_mount()
340 			mp->mnt_flag &= ~MNT_RDONLY;  in msdosfs_mount()
341 			MNT_IUNLOCK(mp);  in msdosfs_mount()
355 	if (vfs_getopt(mp->mnt_optnew, "from", (void **)&from, NULL))  in msdosfs_mount()
373 	if ((mp->mnt_flag & MNT_RDONLY) == 0)  in msdosfs_mount()
382 	if ((mp->mnt_flag & MNT_UPDATE) == 0) {  in msdosfs_mount()
383 		error = mountmsdosfs(devvp, mp);  in msdosfs_mount()
385 		pmp = VFSTOMSDOSFS(mp);  in msdosfs_mount()
397 	error = update_mp(mp, td);  in msdosfs_mount()
399 		if ((mp->mnt_flag & MNT_UPDATE) == 0)  in msdosfs_mount()
400 			msdosfs_unmount(mp, MNT_FORCE);  in msdosfs_mount()
404 	vfs_mountedfrom(mp, from);  in msdosfs_mount()
406 	printf("msdosfs_mount(): mp %p, pmp %p, inusemap %p\n", mp, pmp, pmp->pm_inusemap);  in msdosfs_mount()
503 mountmsdosfs(struct vnode *odevvp, struct mount *mp)  in mountmsdosfs()  argument
521 	ronly = (mp->mnt_flag & MNT_RDONLY) != 0;  in mountmsdosfs()
523 	devvp = mntfs_allocvp(mp, odevvp);  in mountmsdosfs()
526 	    (uintptr_t)mp) == 0) {  in mountmsdosfs()
545 		mp->mnt_iosize_max = dev->si_iosize_max;  in mountmsdosfs()
546 	if (mp->mnt_iosize_max > maxphys)  in mountmsdosfs()
547 		mp->mnt_iosize_max = maxphys;  in mountmsdosfs()
573 	pmp->pm_mountp = mp;  in mountmsdosfs()
832 	if (mp->mnt_flag & MNT_SYNCHRONOUS)  in mountmsdosfs()
854 	mp->mnt_data =  pmp;  in mountmsdosfs()
855 	mp->mnt_stat.f_fsid.val[0] = dev2udev(dev);  in mountmsdosfs()
856 	mp->mnt_stat.f_fsid.val[1] = mp->mnt_vfc->vfc_typenum;  in mountmsdosfs()
857 	MNT_ILOCK(mp);  in mountmsdosfs()
858 	mp->mnt_flag |= MNT_LOCAL;  in mountmsdosfs()
859 	mp->mnt_kern_flag |= MNTK_USES_BCACHE | MNTK_NO_IOPF;  in mountmsdosfs()
860 	MNT_IUNLOCK(mp);  in mountmsdosfs()
877 		mp->mnt_data = NULL;  in mountmsdosfs()
890  * Unmount the filesystem described by mp.
893 msdosfs_unmount(struct mount *mp, int mntflags)  in msdosfs_unmount()  argument
900 	pmp = VFSTOMSDOSFS(mp);  in msdosfs_unmount()
904 		error = vfs_write_suspend_umnt(mp);  in msdosfs_unmount()
911 	error = vflush(mp, 0, flags, curthread);  in msdosfs_unmount()
914 			vfs_write_resume(mp, VR_START_WRITE);  in msdosfs_unmount()
921 				vfs_write_resume(mp, VR_START_WRITE);  in msdosfs_unmount()
959 		vfs_write_resume(mp, VR_START_WRITE);  in msdosfs_unmount()
976 	mp->mnt_data = NULL;  in msdosfs_unmount()
1037 msdosfs_root(struct mount *mp, int flags, struct vnode **vpp)  in msdosfs_root()  argument
1039 	struct msdosfsmount *pmp = VFSTOMSDOSFS(mp);  in msdosfs_root()
1044 	printf("msdosfs_root(); mp %p, pmp %p\n", mp, pmp);  in msdosfs_root()
1054 msdosfs_statfs(struct mount *mp, struct statfs *sbp)  in msdosfs_statfs()  argument
1058 	pmp = VFSTOMSDOSFS(mp);  in msdosfs_statfs()
1104 msdosfs_sync(struct mount *mp, int waitfor)  in msdosfs_sync()  argument
1109 	struct msdosfsmount *pmp = VFSTOMSDOSFS(mp);  in msdosfs_sync()
1129 	MNT_VNODE_FOREACH_ALL(vp, mp, nvp) {  in msdosfs_sync()
1145 				MNT_VNODE_FOREACH_ALL_ABORT(mp, nvp);  in msdosfs_sync()
1172 		MNT_ILOCK(mp);  in msdosfs_sync()
1173 		mp->mnt_kern_flag |= MNTK_SUSPEND2 | MNTK_SUSPENDED;  in msdosfs_sync()
1174 		MNT_IUNLOCK(mp);  in msdosfs_sync()
1180 msdosfs_fhtovp(struct mount *mp, struct fid *fhp, int flags, struct vnode **vpp)  in msdosfs_fhtovp()  argument
1182 	struct msdosfsmount *pmp = VFSTOMSDOSFS(mp);  in msdosfs_fhtovp()