ufs/ffs/ffs_inode.c

88 	struct inode *ip;
93 	ip = VTOI(vp);
94 	if ((ip->i_flag & IN_MODIFIED) == 0 && waitfor == 0)
96 	ip->i_flag &= ~(IN_LAZYACCESS | IN_LAZYMOD | IN_MODIFIED);
116 		ip->i_flag &= ~(IN_SIZEMOD | IN_IBLKDATA);
117 	fs = ITOFS(ip);
118 	if (fs->fs_ronly && ITOUMP(ip)->um_fsckpid == 0)
132 	if (IS_SNAPSHOT(ip))
135 	error = bread_gb(ITODEVVP(ip),
136 	     fsbtodb(fs, ino_to_fsba(fs, ip->i_number)),
141 		KASSERT((IS_SNAPSHOT(ip)), ("EBUSY from non-snapshot"));
165 		softdep_update_inodeblock(ip, bp, waitfor);
166 	else if (ip->i_effnlink != ip->i_nlink)
168 	if (I_IS_UFS1(ip)) {
170 		    ino_to_fsbo(fs, ip->i_number)) = *ip->i_din1;
172 		random_harvest_queue(&(ip->i_din1), sizeof(ip->i_din1), RANDOM_FS_ATIME);
175 		    ino_to_fsbo(fs, ip->i_number)) = *ip->i_din2;
177 		random_harvest_queue(&(ip->i_din2), sizeof(ip->i_din2), RANDOM_FS_ATIME);
197  * Truncate the inode ip to at most length size, freeing the
207 	struct inode *ip;
223 	ip = VTOI(vp);
235 	error = getinoquota(ip);
263 	datablocks = DIP(ip, i_blocks);
264 	if (fs->fs_magic == FS_UFS2_MAGIC && ip->i_din2->di_extsize > 0) {
265 		extblocks = btodb(fragroundup(fs, ip->i_din2->di_extsize));
279 			(void) chkdq(ip, -extblocks, NOCRED, FORCE);
284 			osize = ip->i_din2->di_extsize;
285 			ip->i_din2->di_blocks -= extblocks;
286 			ip->i_din2->di_extsize = 0;
288 				oldblks[i] = ip->i_din2->di_extb[i];
289 				ip->i_din2->di_extb[i] = 0;
291 			ip->i_flag |= IN_SIZEMOD | IN_CHANGE;
297 				ffs_blkfree(ump, fs, ITODEVVP(ip), oldblks[i],
298 				    sblksize(fs, osize, i), ip->i_number,
305 	if (vp->v_type == VLNK && ip->i_size < vp->v_mount->mnt_maxsymlinklen) {
310 		bzero(SHORTLINK(ip), (u_int)ip->i_size);
311 		ip->i_size = 0;
312 		DIP_SET(ip, i_size, 0);
313 		ip->i_flag |= IN_SIZEMOD | IN_CHANGE | IN_UPDATE;
318 	if (ip->i_size == length) {
319 		ip->i_flag |= IN_CHANGE | IN_UPDATE;
326 	if (IS_SNAPSHOT(ip))
329 	osize = ip->i_size;
343 		ip->i_size = length;
344 		DIP_SET(ip, i_size, length);
353 		ip->i_flag |= IN_SIZEMOD | IN_CHANGE | IN_UPDATE;
364 		blkno = DIP(ip, i_db[lbn]);
371 		if (I_IS_UFS1(ip))
413 				softdep_journal_freeblocks(ip, cred, length,
416 				softdep_setup_freeblocks(ip, length, flags);
419 				ip->i_flag |= IN_CHANGE | IN_UPDATE;
437 		ip->i_size = length;
438 		DIP_SET(ip, i_size, length);
439 		ip->i_flag |= IN_SIZEMOD | IN_CHANGE | IN_UPDATE;
458 		ip->i_size = length;
459 		DIP_SET(ip, i_size, length);
460 		size = blksize(fs, ip, lbn);
474 		ip->i_flag |= IN_SIZEMOD | IN_CHANGE | IN_UPDATE;
494 		oldblks[UFS_NDADDR + level] = DIP(ip, i_ib[level]);
496 			DIP_SET(ip, i_ib[level], 0);
501 		oldblks[i] = DIP(ip, i_db[i]);
503 			DIP_SET(ip, i_db[i], 0);
505 	ip->i_flag |= IN_CHANGE | IN_UPDATE;
515 		newblks[i] = DIP(ip, i_db[i]);
516 		DIP_SET(ip, i_db[i], oldblks[i]);
519 		newblks[UFS_NDADDR + i] = DIP(ip, i_ib[i]);
520 		DIP_SET(ip, i_ib[i], oldblks[UFS_NDADDR + i]);
522 	ip->i_size = osize;
523 	DIP_SET(ip, i_size, osize);
524 	ip->i_flag |= IN_SIZEMOD | IN_CHANGE | IN_UPDATE;
537 		bn = DIP(ip, i_ib[level]);
539 			error = ffs_indirtrunc(ip, indir_lbn[level],
545 				DIP_SET(ip, i_ib[level], 0);
547 				    fs->fs_bsize, ip->i_number,
559 	key = ffs_blkrelease_start(ump, ump->um_devvp, ip->i_number);
563 		bn = DIP(ip, i_db[i]);
566 		DIP_SET(ip, i_db[i], 0);
567 		bsize = blksize(fs, ip, i);
568 		ffs_blkfree(ump, fs, ump->um_devvp, bn, bsize, ip->i_number,
580 	bn = DIP(ip, i_db[lastblock]);
588 		oldspace = blksize(fs, ip, lastblock);
589 		ip->i_size = length;
590 		DIP_SET(ip, i_size, length);
591 		ip->i_flag |= IN_SIZEMOD | IN_CHANGE | IN_UPDATE;
592 		newspace = blksize(fs, ip, lastblock);
603 			   oldspace - newspace, ip->i_number, vp->v_type,
611 		if (newblks[UFS_NDADDR + level] != DIP(ip, i_ib[level]))
614 		if (newblks[i] != DIP(ip, i_db[i]))
618 	    (fs->fs_magic != FS_UFS2_MAGIC || ip->i_din2->di_extsize == 0) &&
626 	ip->i_size = length;
627 	DIP_SET(ip, i_size, length);
628 	if (DIP(ip, i_blocks) >= blocksreleased)
629 		DIP_SET(ip, i_blocks, DIP(ip, i_blocks) - blocksreleased);
631 		DIP_SET(ip, i_blocks, 0);
632 	ip->i_flag |= IN_SIZEMOD | IN_CHANGE;
634 	(void) chkdq(ip, -blocksreleased, NOCRED, FORCE);
640 		softdep_journal_freeblocks(ip, cred, length, IO_EXT);
642 		softdep_setup_freeblocks(ip, length, IO_EXT);
647  * Release blocks associated with the inode ip and stored in the indirect
654 ffs_indirtrunc(ip, lbn, dbn, lastbn, level, countp)
655 	struct inode *ip;
672 #define BAP(ip, i) (I_IS_UFS1(ip) ? bap1[i] : bap2[i])
674 	fs = ITOFS(ip);
675 	ump = ITOUMP(ip);
695 	vp = ITOV(ip);
723 	if (I_IS_UFS1(ip))
731 			if (I_IS_UFS1(ip))
742 		if (I_IS_UFS1(ip))
751 	key = ffs_blkrelease_start(ump, ITODEVVP(ip), ip->i_number);
754 		nb = BAP(ip, i);
758 			if ((error = ffs_indirtrunc(ip, nlbn, fsbtodb(fs, nb),
763 		ffs_blkfree(ump, fs, ITODEVVP(ip), nb, fs->fs_bsize,
764 		    ip->i_number, vp->v_type, NULL, key);
774 		nb = BAP(ip, i);
776 			error = ffs_indirtrunc(ip, nlbn, fsbtodb(fs, nb),
795 ffs_rdonly(struct inode *ip)
798 	return (ITOFS(ip)->fs_ronly != 0);