bsd/hfs/hfs_notification.c

57 void hfs_generate_volume_notifications(struct hfsmount *hfsmp)
63 	if (hfsmp->vcbVN) {
64 		if (strlen((char*)hfsmp->vcbVN) < 256) {
65 			volname = (char*) hfsmp->vcbVN;
69 	fsid.val[0] = (long)hfsmp->hfs_raw_dev;
70 	fsid.val[1] = (long)vfs_typenum(HFSTOVFS(hfsmp));
72 	freeblks = hfs_freeblks(hfsmp, 1);
74 	if (freeblks < hfsmp->hfs_freespace_notify_dangerlimit) {
76 	} else if (freeblks < hfsmp->hfs_freespace_notify_warninglimit) {
78 	} else if (freeblks >= hfsmp->hfs_freespace_notify_desiredlevel) {
82 	if (state == 2 && !(hfsmp->hfs_notification_conditions & VQ_VERYLOWDISK)) {
85 			printf("HFS: Vol: %s Very Low Disk: freeblks: %d, dangerlimit: %d\n", volname, freeblks, hfsmp->hfs_freespace_notify_dangerlimit);
88 			printf("HFS: Very Low Disk: freeblks: %d, dangerlimit: %d\n", freeblks, hfsmp->hfs_freespace_notify_dangerlimit);
92 		if (hfsmp->hfs_flags & HFS_HAS_SPARSE_DEVICE) {
93 			if (hfsmp->hfs_backingfs_rootvp) {
94 				struct mount *mp = vnode_mount (hfsmp->hfs_backingfs_rootvp);
98 						printf("HFS: Vol: %s Very Low Disk: backingstore b_avail %lld, tag %d\n", volname, mp->mnt_vfsstat.f_bavail, hfsmp->hfs_backingfs_rootvp->v_tag);
101 						printf("HFS: Very Low Disk: backingstore b_avail %lld, tag %d\n", mp->mnt_vfsstat.f_bavail, hfsmp->hfs_backingfs_rootvp->v_tag);
107 		hfsmp->hfs_notification_conditions |= (VQ_VERYLOWDISK|VQ_LOWDISK);
108 		vfs_event_signal(&fsid, hfsmp->hfs_notification_conditions, (intptr_t)NULL);
110 		if (!(hfsmp->hfs_notification_conditions & VQ_LOWDISK)) {
112 				printf("HFS: Low Disk: Vol: %s freeblks: %d, warninglimit: %d\n", volname, freeblks, hfsmp->hfs_freespace_notify_warninglimit);
115 				printf("HFS: Low Disk: freeblks: %d, warninglimit: %d\n", freeblks, hfsmp->hfs_freespace_notify_warninglimit);
117 			hfsmp->hfs_notification_conditions |= VQ_LOWDISK;
118 			vfs_event_signal(&fsid, hfsmp->hfs_notification_conditions, (intptr_t)NULL);
119 		} else if (hfsmp->hfs_notification_conditions & VQ_VERYLOWDISK) {
120 			hfsmp->hfs_notification_conditions &= ~VQ_VERYLOWDISK;
121 			vfs_event_signal(&fsid, hfsmp->hfs_notification_conditions, (intptr_t)NULL);
124 		if (hfsmp->hfs_notification_conditions & (VQ_LOWDISK|VQ_VERYLOWDISK)) {
125 			hfsmp->hfs_notification_conditions &= ~(VQ_VERYLOWDISK|VQ_LOWDISK);
126 			if (hfsmp->hfs_notification_conditions == 0) {
129 				vfs_event_signal(&fsid, hfsmp->hfs_notification_conditions, (intptr_t)NULL);