fs/nilfs2/inode.c

78 	struct nilfs_inode_info *ii = NILFS_I(inode);
85 	ret = nilfs_bmap_lookup_contig(ii->i_bmap, blkoff, &blknum, maxblocks);
101 		err = nilfs_bmap_insert(ii->i_bmap, blkoff,
330 	struct nilfs_inode_info *ii;
344 	ii = NILFS_I(inode);
345 	ii->i_state = BIT(NILFS_I_NEW);
346 	ii->i_root = root;
365 	ii->i_bh = bh;
373 		err = nilfs_bmap_read(ii->i_bmap, NULL);
377 		set_bit(NILFS_I_BMAP, &ii->i_state);
381 	ii->i_flags = nilfs_mask_flags(
384 	/* ii->i_file_acl = 0; */
385 	/* ii->i_dir_acl = 0; */
386 	ii->i_dir_start_lookup = 0;
445 	struct nilfs_inode_info *ii = NILFS_I(inode);
465 	ii->i_flags = le32_to_cpu(raw_inode->i_flags);
467 	ii->i_file_acl = le32_to_cpu(raw_inode->i_file_acl);
468 	ii->i_dir_acl = S_ISREG(inode->i_mode) ?
471 	ii->i_dir_start_lookup = 0;
476 		err = nilfs_bmap_read(ii->i_bmap, raw_inode);
479 		set_bit(NILFS_I_BMAP, &ii->i_state);
543 	struct nilfs_inode_info *ii;
548 	ii = NILFS_I(inode);
549 	if (test_bit(NILFS_I_BTNC, &ii->i_state)) {
555 	if (test_bit(NILFS_I_SHADOW, &ii->i_state)) {
562 	if (!test_bit(NILFS_I_GCINODE, &ii->i_state))
565 	return args->for_gc && args->cno == ii->i_cno;
670 	struct nilfs_inode_info *ii = NILFS_I(inode);
674 	if (ii->i_assoc_inode)
678 	args.root = ii->i_root;
679 	args.cno = ii->i_cno;
680 	args.for_gc = test_bit(NILFS_I_GCINODE, &ii->i_state) != 0;
682 	args.for_shadow = test_bit(NILFS_I_SHADOW, &ii->i_state) != 0;
693 	NILFS_I(btnc_inode)->i_bmap = ii->i_bmap;
694 	ii->i_assoc_inode = btnc_inode;
708 	struct nilfs_inode_info *ii = NILFS_I(inode);
709 	struct inode *btnc_inode = ii->i_assoc_inode;
713 		ii->i_assoc_inode = NULL;
775 	struct nilfs_inode_info *ii = NILFS_I(inode);
788 	raw_inode->i_flags = cpu_to_le32(ii->i_flags);
800 	struct nilfs_inode_info *ii = NILFS_I(inode);
801 	struct inode *ifile = ii->i_root->ifile;
806 	if (test_and_clear_bit(NILFS_I_NEW, &ii->i_state))
809 		set_bit(NILFS_I_INODE_SYNC, &ii->i_state);
822 static void nilfs_truncate_bmap(struct nilfs_inode_info *ii,
828 	if (!test_bit(NILFS_I_BMAP, &ii->i_state))
831 	ret = nilfs_bmap_last_key(ii->i_bmap, &b);
841 	ret = nilfs_bmap_truncate(ii->i_bmap, b);
842 	nilfs_relax_pressure_in_lock(ii->vfs_inode.i_sb);
844 		     nilfs_bmap_truncate(ii->i_bmap, b) == 0))
848 	nilfs_warn(ii->vfs_inode.i_sb, "error %d truncating bmap (ino=%lu)",
849 		   ret, ii->vfs_inode.i_ino);
858 	struct nilfs_inode_info *ii = NILFS_I(inode);
860 	if (!test_bit(NILFS_I_BMAP, &ii->i_state))
871 	nilfs_truncate_bmap(ii, blkoff);
888 	struct nilfs_inode_info *ii = NILFS_I(inode);
893 	BUG_ON(!list_empty(&ii->i_dirty));
894 	brelse(ii->i_bh);
895 	ii->i_bh = NULL;
900 	if (test_bit(NILFS_I_BMAP, &ii->i_state))
901 		nilfs_bmap_clear(ii->i_bmap);
903 	if (!test_bit(NILFS_I_BTNC, &ii->i_state))
906 	if (ii->i_root && inode->i_ino == NILFS_ROOT_INO)
907 		nilfs_put_root(ii->i_root);
914 	struct nilfs_inode_info *ii = NILFS_I(inode);
918 	if (inode->i_nlink || !ii->i_root || unlikely(is_bad_inode(inode))) {
946 	nilfs_truncate_bmap(ii, 0);
950 	ret = nilfs_ifile_delete_inode(ii->i_root->ifile, inode->i_ino);
952 		atomic64_dec(&ii->i_root->inodes_count);
1019 	struct nilfs_inode_info *ii = NILFS_I(inode);
1023 	if (ii->i_bh == NULL || unlikely(!buffer_uptodate(ii->i_bh))) {
1025 		err = nilfs_ifile_get_inode_block(ii->i_root->ifile,
1030 		if (ii->i_bh == NULL)
1031 			ii->i_bh = *pbh;
1032 		else if (unlikely(!buffer_uptodate(ii->i_bh))) {
1033 			__brelse(ii->i_bh);
1034 			ii->i_bh = *pbh;
1037 			*pbh = ii->i_bh;
1040 		*pbh = ii->i_bh;
1049 	struct nilfs_inode_info *ii = NILFS_I(inode);
1053 	if (!list_empty(&ii->i_dirty)) {
1055 		ret = test_bit(NILFS_I_DIRTY, &ii->i_state) ||
1056 			test_bit(NILFS_I_BUSY, &ii->i_state);
1064 	struct nilfs_inode_info *ii = NILFS_I(inode);
1069 	if (test_and_set_bit(NILFS_I_DIRTY, &ii->i_state))
1073 	if (!test_bit(NILFS_I_QUEUED, &ii->i_state) &&
1074 	    !test_bit(NILFS_I_BUSY, &ii->i_state)) {
1079 		if (list_empty(&ii->i_dirty) && igrab(inode) == NULL) {
1093 		list_move_tail(&ii->i_dirty, &nilfs->ns_dirty_files);
1094 		set_bit(NILFS_I_QUEUED, &ii->i_state);