44 static u64 ufs_frag_map(struct inode *inode, sector_t frag, bool needs_lock);
46 static int ufs_block_to_path(struct inode *inode, sector_t i_block, sector_t offsets[4])  in ufs_block_to_path()  argument
48 	struct ufs_sb_private_info *uspi = UFS_SB(inode->i_sb)->s_uspi;  in ufs_block_to_path()
73 		ufs_warning(inode->i_sb, "ufs_block_to_path", "block > big");  in ufs_block_to_path()
83 static u64 ufs_frag_map(struct inode *inode, sector_t frag, bool needs_lock)  in ufs_frag_map()  argument
85 	struct ufs_inode_info *ufsi = UFS_I(inode);  in ufs_frag_map()
86 	struct super_block *sb = inode->i_sb;  in ufs_frag_map()
91 	int depth = ufs_block_to_path(inode, frag >> uspi->s_fpbshift, offsets);  in ufs_frag_map()
173 ufs_inode_getfrag(struct inode *inode, u64 fragment,  in ufs_inode_getfrag()  argument
177 	struct ufs_inode_info *ufsi = UFS_I(inode);  in ufs_inode_getfrag()
178 	struct super_block *sb = inode->i_sb;  in ufs_inode_getfrag()
186 	     "metadata %d\n", inode->i_ino, (unsigned long long)fragment,  in ufs_inode_getfrag()
231 			tmp = ufs_new_fragments(inode, p2, lastfrag,  in ufs_inode_getfrag()
249 		tmp = ufs_new_fragments (inode, p, fragment - blockoff,   in ufs_inode_getfrag()
257 		tmp = ufs_new_fragments(inode, p, fragment -  in ufs_inode_getfrag()
272 		tmp = ufs_new_fragments(inode, p, fragment - blockoff,  in ufs_inode_getfrag()
293 	inode->i_ctime = CURRENT_TIME_SEC;  in ufs_inode_getfrag()
294 	if (IS_SYNC(inode))  in ufs_inode_getfrag()
295 		ufs_sync_inode (inode);  in ufs_inode_getfrag()
296 	mark_inode_dirty(inode);  in ufs_inode_getfrag()
330 ufs_inode_getblock(struct inode *inode, struct buffer_head *bh,  in ufs_inode_getblock()  argument
334 	struct super_block *sb = inode->i_sb;  in ufs_inode_getblock()
345 	     inode->i_ino, (unsigned long long)fragment,  in ufs_inode_getblock()
382 	tmp = ufs_new_fragments(inode, p, ufs_blknum(new_fragment), goal,  in ufs_inode_getblock()
399 	if (IS_SYNC(inode))  in ufs_inode_getblock()
401 	inode->i_ctime = CURRENT_TIME_SEC;  in ufs_inode_getblock()
402 	mark_inode_dirty(inode);  in ufs_inode_getblock()
415 int ufs_getfrag_block(struct inode *inode, sector_t fragment, struct buffer_head *bh_result, int cr…  in ufs_getfrag_block()  argument
417 	struct super_block * sb = inode->i_sb;  in ufs_getfrag_block()
427 		phys64 = ufs_frag_map(inode, fragment, needs_lock);  in ufs_getfrag_block()
444 	UFSD("ENTER, ino %lu, fragment %llu\n", inode->i_ino, (unsigned long long)fragment);  in ufs_getfrag_block()
458 	ufs_inode_getfrag(inode, x, fragment, 1, &err, &phys, &new,\  in ufs_getfrag_block()
461 	ufs_inode_getfrag(inode, x, fragment, uspi->s_fpb, &err, NULL, NULL,\  in ufs_getfrag_block()
464 	ufs_inode_getblock(inode, bh, x, fragment,	\  in ufs_getfrag_block()
467 	ufs_inode_getblock(inode, bh, x, fragment,	\  in ufs_getfrag_block()
531 	struct inode *inode = mapping->host;  in ufs_write_failed()  local
533 	if (to > inode->i_size)  in ufs_write_failed()
534 		truncate_pagecache(inode, inode->i_size);  in ufs_write_failed()
564 static void ufs_set_inode_ops(struct inode *inode)  in ufs_set_inode_ops()  argument
566 	if (S_ISREG(inode->i_mode)) {  in ufs_set_inode_ops()
567 		inode->i_op = &ufs_file_inode_operations;  in ufs_set_inode_ops()
568 		inode->i_fop = &ufs_file_operations;  in ufs_set_inode_ops()
569 		inode->i_mapping->a_ops = &ufs_aops;  in ufs_set_inode_ops()
570 	} else if (S_ISDIR(inode->i_mode)) {  in ufs_set_inode_ops()
571 		inode->i_op = &ufs_dir_inode_operations;  in ufs_set_inode_ops()
572 		inode->i_fop = &ufs_dir_operations;  in ufs_set_inode_ops()
573 		inode->i_mapping->a_ops = &ufs_aops;  in ufs_set_inode_ops()
574 	} else if (S_ISLNK(inode->i_mode)) {  in ufs_set_inode_ops()
575 		if (!inode->i_blocks)  in ufs_set_inode_ops()
576 			inode->i_op = &ufs_fast_symlink_inode_operations;  in ufs_set_inode_ops()
578 			inode->i_op = &ufs_symlink_inode_operations;  in ufs_set_inode_ops()
579 			inode->i_mapping->a_ops = &ufs_aops;  in ufs_set_inode_ops()
582 		init_special_inode(inode, inode->i_mode,  in ufs_set_inode_ops()
583 				   ufs_get_inode_dev(inode->i_sb, UFS_I(inode)));  in ufs_set_inode_ops()
586 static int ufs1_read_inode(struct inode *inode, struct ufs_inode *ufs_inode)  in ufs1_read_inode()  argument
588 	struct ufs_inode_info *ufsi = UFS_I(inode);  in ufs1_read_inode()
589 	struct super_block *sb = inode->i_sb;  in ufs1_read_inode()
595 	inode->i_mode = mode = fs16_to_cpu(sb, ufs_inode->ui_mode);  in ufs1_read_inode()
596 	set_nlink(inode, fs16_to_cpu(sb, ufs_inode->ui_nlink));  in ufs1_read_inode()
597 	if (inode->i_nlink == 0) {  in ufs1_read_inode()
598 		ufs_error (sb, "ufs_read_inode", "inode %lu has zero nlink\n", inode->i_ino);  in ufs1_read_inode()
605 	i_uid_write(inode, ufs_get_inode_uid(sb, ufs_inode));  in ufs1_read_inode()
606 	i_gid_write(inode, ufs_get_inode_gid(sb, ufs_inode));  in ufs1_read_inode()
608 	inode->i_size = fs64_to_cpu(sb, ufs_inode->ui_size);  in ufs1_read_inode()
609 	inode->i_atime.tv_sec = fs32_to_cpu(sb, ufs_inode->ui_atime.tv_sec);  in ufs1_read_inode()
610 	inode->i_ctime.tv_sec = fs32_to_cpu(sb, ufs_inode->ui_ctime.tv_sec);  in ufs1_read_inode()
611 	inode->i_mtime.tv_sec = fs32_to_cpu(sb, ufs_inode->ui_mtime.tv_sec);  in ufs1_read_inode()
612 	inode->i_mtime.tv_nsec = 0;  in ufs1_read_inode()
613 	inode->i_atime.tv_nsec = 0;  in ufs1_read_inode()
614 	inode->i_ctime.tv_nsec = 0;  in ufs1_read_inode()
615 	inode->i_blocks = fs32_to_cpu(sb, ufs_inode->ui_blocks);  in ufs1_read_inode()
616 	inode->i_generation = fs32_to_cpu(sb, ufs_inode->ui_gen);  in ufs1_read_inode()
622 	if (S_ISCHR(mode) || S_ISBLK(mode) || inode->i_blocks) {  in ufs1_read_inode()
633 static int ufs2_read_inode(struct inode *inode, struct ufs2_inode *ufs2_inode)  in ufs2_read_inode()  argument
635 	struct ufs_inode_info *ufsi = UFS_I(inode);  in ufs2_read_inode()
636 	struct super_block *sb = inode->i_sb;  in ufs2_read_inode()
639 	UFSD("Reading ufs2 inode, ino %lu\n", inode->i_ino);  in ufs2_read_inode()
643 	inode->i_mode = mode = fs16_to_cpu(sb, ufs2_inode->ui_mode);  in ufs2_read_inode()
644 	set_nlink(inode, fs16_to_cpu(sb, ufs2_inode->ui_nlink));  in ufs2_read_inode()
645 	if (inode->i_nlink == 0) {  in ufs2_read_inode()
646 		ufs_error (sb, "ufs_read_inode", "inode %lu has zero nlink\n", inode->i_ino);  in ufs2_read_inode()
653 	i_uid_write(inode, fs32_to_cpu(sb, ufs2_inode->ui_uid));  in ufs2_read_inode()
654 	i_gid_write(inode, fs32_to_cpu(sb, ufs2_inode->ui_gid));  in ufs2_read_inode()
656 	inode->i_size = fs64_to_cpu(sb, ufs2_inode->ui_size);  in ufs2_read_inode()
657 	inode->i_atime.tv_sec = fs64_to_cpu(sb, ufs2_inode->ui_atime);  in ufs2_read_inode()
658 	inode->i_ctime.tv_sec = fs64_to_cpu(sb, ufs2_inode->ui_ctime);  in ufs2_read_inode()
659 	inode->i_mtime.tv_sec = fs64_to_cpu(sb, ufs2_inode->ui_mtime);  in ufs2_read_inode()
660 	inode->i_atime.tv_nsec = fs32_to_cpu(sb, ufs2_inode->ui_atimensec);  in ufs2_read_inode()
661 	inode->i_ctime.tv_nsec = fs32_to_cpu(sb, ufs2_inode->ui_ctimensec);  in ufs2_read_inode()
662 	inode->i_mtime.tv_nsec = fs32_to_cpu(sb, ufs2_inode->ui_mtimensec);  in ufs2_read_inode()
663 	inode->i_blocks = fs64_to_cpu(sb, ufs2_inode->ui_blocks);  in ufs2_read_inode()
664 	inode->i_generation = fs32_to_cpu(sb, ufs2_inode->ui_gen);  in ufs2_read_inode()
671 	if (S_ISCHR(mode) || S_ISBLK(mode) || inode->i_blocks) {  in ufs2_read_inode()
682 struct inode *ufs_iget(struct super_block *sb, unsigned long ino)  in ufs_iget()
687 	struct inode *inode;  in ufs_iget()  local
698 	inode = iget_locked(sb, ino);  in ufs_iget()
699 	if (!inode)  in ufs_iget()
701 	if (!(inode->i_state & I_NEW))  in ufs_iget()
702 		return inode;  in ufs_iget()
704 	ufsi = UFS_I(inode);  in ufs_iget()
706 	bh = sb_bread(sb, uspi->s_sbbase + ufs_inotofsba(inode->i_ino));  in ufs_iget()
709 			    inode->i_ino);  in ufs_iget()
715 		err = ufs2_read_inode(inode,  in ufs_iget()
716 				      ufs2_inode + ufs_inotofsbo(inode->i_ino));  in ufs_iget()
720 		err = ufs1_read_inode(inode,  in ufs_iget()
721 				      ufs_inode + ufs_inotofsbo(inode->i_ino));  in ufs_iget()
726 	inode->i_version++;  in ufs_iget()
728 		(inode->i_size + uspi->s_fsize - 1) >> uspi->s_fshift;  in ufs_iget()
732 	ufs_set_inode_ops(inode);  in ufs_iget()
737 	unlock_new_inode(inode);  in ufs_iget()
738 	return inode;  in ufs_iget()
741 	iget_failed(inode);  in ufs_iget()
745 static void ufs1_update_inode(struct inode *inode, struct ufs_inode *ufs_inode)  in ufs1_update_inode()  argument
747 	struct super_block *sb = inode->i_sb;  in ufs1_update_inode()
748  	struct ufs_inode_info *ufsi = UFS_I(inode);  in ufs1_update_inode()
750 	ufs_inode->ui_mode = cpu_to_fs16(sb, inode->i_mode);  in ufs1_update_inode()
751 	ufs_inode->ui_nlink = cpu_to_fs16(sb, inode->i_nlink);  in ufs1_update_inode()
753 	ufs_set_inode_uid(sb, ufs_inode, i_uid_read(inode));  in ufs1_update_inode()
754 	ufs_set_inode_gid(sb, ufs_inode, i_gid_read(inode));  in ufs1_update_inode()
756 	ufs_inode->ui_size = cpu_to_fs64(sb, inode->i_size);  in ufs1_update_inode()
757 	ufs_inode->ui_atime.tv_sec = cpu_to_fs32(sb, inode->i_atime.tv_sec);  in ufs1_update_inode()
759 	ufs_inode->ui_ctime.tv_sec = cpu_to_fs32(sb, inode->i_ctime.tv_sec);  in ufs1_update_inode()
761 	ufs_inode->ui_mtime.tv_sec = cpu_to_fs32(sb, inode->i_mtime.tv_sec);  in ufs1_update_inode()
763 	ufs_inode->ui_blocks = cpu_to_fs32(sb, inode->i_blocks);  in ufs1_update_inode()
765 	ufs_inode->ui_gen = cpu_to_fs32(sb, inode->i_generation);  in ufs1_update_inode()
772 	if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) {  in ufs1_update_inode()
775 	} else if (inode->i_blocks) {  in ufs1_update_inode()
784 	if (!inode->i_nlink)  in ufs1_update_inode()
788 static void ufs2_update_inode(struct inode *inode, struct ufs2_inode *ufs_inode)  in ufs2_update_inode()  argument
790 	struct super_block *sb = inode->i_sb;  in ufs2_update_inode()
791  	struct ufs_inode_info *ufsi = UFS_I(inode);  in ufs2_update_inode()
794 	ufs_inode->ui_mode = cpu_to_fs16(sb, inode->i_mode);  in ufs2_update_inode()
795 	ufs_inode->ui_nlink = cpu_to_fs16(sb, inode->i_nlink);  in ufs2_update_inode()
797 	ufs_inode->ui_uid = cpu_to_fs32(sb, i_uid_read(inode));  in ufs2_update_inode()
798 	ufs_inode->ui_gid = cpu_to_fs32(sb, i_gid_read(inode));  in ufs2_update_inode()
800 	ufs_inode->ui_size = cpu_to_fs64(sb, inode->i_size);  in ufs2_update_inode()
801 	ufs_inode->ui_atime = cpu_to_fs64(sb, inode->i_atime.tv_sec);  in ufs2_update_inode()
802 	ufs_inode->ui_atimensec = cpu_to_fs32(sb, inode->i_atime.tv_nsec);  in ufs2_update_inode()
803 	ufs_inode->ui_ctime = cpu_to_fs64(sb, inode->i_ctime.tv_sec);  in ufs2_update_inode()
804 	ufs_inode->ui_ctimensec = cpu_to_fs32(sb, inode->i_ctime.tv_nsec);  in ufs2_update_inode()
805 	ufs_inode->ui_mtime = cpu_to_fs64(sb, inode->i_mtime.tv_sec);  in ufs2_update_inode()
806 	ufs_inode->ui_mtimensec = cpu_to_fs32(sb, inode->i_mtime.tv_nsec);  in ufs2_update_inode()
808 	ufs_inode->ui_blocks = cpu_to_fs64(sb, inode->i_blocks);  in ufs2_update_inode()
810 	ufs_inode->ui_gen = cpu_to_fs32(sb, inode->i_generation);  in ufs2_update_inode()
812 	if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) {  in ufs2_update_inode()
815 	} else if (inode->i_blocks) {  in ufs2_update_inode()
823 	if (!inode->i_nlink)  in ufs2_update_inode()
828 static int ufs_update_inode(struct inode * inode, int do_sync)  in ufs_update_inode()  argument
830 	struct super_block *sb = inode->i_sb;  in ufs_update_inode()
834 	UFSD("ENTER, ino %lu\n", inode->i_ino);  in ufs_update_inode()
836 	if (inode->i_ino < UFS_ROOTINO ||  in ufs_update_inode()
837 	    inode->i_ino > (uspi->s_ncg * uspi->s_ipg)) {  in ufs_update_inode()
838 		ufs_warning (sb, "ufs_read_inode", "bad inode number (%lu)\n", inode->i_ino);  in ufs_update_inode()
842 	bh = sb_bread(sb, ufs_inotofsba(inode->i_ino));  in ufs_update_inode()
844 		ufs_warning (sb, "ufs_read_inode", "unable to read inode %lu\n", inode->i_ino);  in ufs_update_inode()
850 		ufs2_update_inode(inode,  in ufs_update_inode()
851 				  ufs2_inode + ufs_inotofsbo(inode->i_ino));  in ufs_update_inode()
855 		ufs1_update_inode(inode, ufs_inode + ufs_inotofsbo(inode->i_ino));  in ufs_update_inode()
867 int ufs_write_inode(struct inode *inode, struct writeback_control *wbc)  in ufs_write_inode()  argument
870 	lock_ufs(inode->i_sb);  in ufs_write_inode()
871 	ret = ufs_update_inode(inode, wbc->sync_mode == WB_SYNC_ALL);  in ufs_write_inode()
872 	unlock_ufs(inode->i_sb);  in ufs_write_inode()
876 int ufs_sync_inode (struct inode *inode)  in ufs_sync_inode()  argument
878 	return ufs_update_inode (inode, 1);  in ufs_sync_inode()
881 void ufs_evict_inode(struct inode * inode)  in ufs_evict_inode()  argument
885 	if (!inode->i_nlink && !is_bad_inode(inode))  in ufs_evict_inode()
888 	truncate_inode_pages_final(&inode->i_data);  in ufs_evict_inode()
892 		lock_ufs(inode->i_sb);  in ufs_evict_inode()
893 		mark_inode_dirty(inode);  in ufs_evict_inode()
894 		ufs_update_inode(inode, IS_SYNC(inode));  in ufs_evict_inode()
895 		old_i_size = inode->i_size;  in ufs_evict_inode()
896 		inode->i_size = 0;  in ufs_evict_inode()
897 		if (inode->i_blocks && ufs_truncate(inode, old_i_size))  in ufs_evict_inode()
898 			ufs_warning(inode->i_sb, __func__, "ufs_truncate failed\n");  in ufs_evict_inode()
899 		unlock_ufs(inode->i_sb);  in ufs_evict_inode()
902 	invalidate_inode_buffers(inode);  in ufs_evict_inode()
903 	clear_inode(inode);  in ufs_evict_inode()
906 		lock_ufs(inode->i_sb);  in ufs_evict_inode()
907 		ufs_free_inode(inode);  in ufs_evict_inode()
908 		unlock_ufs(inode->i_sb);  in ufs_evict_inode()