582 static int dirent_check_reclen(struct gfs2_inode *dip,  in dirent_check_reclen()  argument
596 	gfs2_consist_inode(dip);  in dirent_check_reclen()
609 static int dirent_next(struct gfs2_inode *dip, struct buffer_head *bh,  in dirent_next()  argument
616 	ret = dirent_check_reclen(dip, cur, bh_end);  in dirent_next()
621 	ret = dirent_check_reclen(dip, tmp, bh_end);  in dirent_next()
627 		gfs2_consist_inode(dip);  in dirent_next()
644 static void dirent_del(struct gfs2_inode *dip, struct buffer_head *bh,  in dirent_del()  argument
650 		gfs2_consist_inode(dip);  in dirent_del()
654 	gfs2_trans_add_meta(dip->i_gl, bh);  in dirent_del()
672 		gfs2_consist_inode(dip);  in dirent_del()
674 		gfs2_consist_inode(dip);  in dirent_del()
716 static int get_leaf(struct gfs2_inode *dip, u64 leaf_no,  in get_leaf()  argument
721 	error = gfs2_meta_read(dip->i_gl, leaf_no, DIO_WAIT, bhp);  in get_leaf()
722 	if (!error && gfs2_metatype_check(GFS2_SB(&dip->i_inode), *bhp, GFS2_METATYPE_LF)) {  in get_leaf()
739 static int get_leaf_nr(struct gfs2_inode *dip, u32 index,  in get_leaf_nr()  argument
744 	hash = gfs2_dir_get_hash_table(dip);  in get_leaf_nr()
751 static int get_first_leaf(struct gfs2_inode *dip, u32 index,  in get_first_leaf()  argument
757 	error = get_leaf_nr(dip, index, &leaf_no);  in get_first_leaf()
759 		error = get_leaf(dip, leaf_no, bh_out);  in get_first_leaf()
866 	struct gfs2_inode *dip = GFS2_I(inode);  in dir_make_exhash()  local
878 	error = gfs2_meta_inode_buffer(dip, &dibh);  in dir_make_exhash()
889 	gfs2_assert(sdp, dip->i_entries < (1 << 16));  in dir_make_exhash()
890 	leaf->lf_entries = cpu_to_be16(dip->i_entries);  in dir_make_exhash()
903 	dent = gfs2_dirent_scan(&dip->i_inode, bh->b_data, bh->b_size,  in dir_make_exhash()
928 	gfs2_trans_add_meta(dip->i_gl, dibh);  in dir_make_exhash()
937 	gfs2_add_inode_blocks(&dip->i_inode, 1);  in dir_make_exhash()
938 	dip->i_diskflags |= GFS2_DIF_EXHASH;  in dir_make_exhash()
941 	dip->i_depth = y;  in dir_make_exhash()
943 	gfs2_dinode_out(dip, dibh->b_data);  in dir_make_exhash()
961 	struct gfs2_inode *dip = GFS2_I(inode);  in dir_split_leaf()  local
972 	index = name->hash >> (32 - dip->i_depth);  in dir_split_leaf()
973 	error = get_leaf_nr(dip, index, &leaf_no);  in dir_split_leaf()
978 	error = get_leaf(dip, leaf_no, &obh);  in dir_split_leaf()
983 	if (dip->i_depth == be16_to_cpu(oleaf->lf_depth)) {  in dir_split_leaf()
988 	gfs2_trans_add_meta(dip->i_gl, obh);  in dir_split_leaf()
998 	len = 1 << (dip->i_depth - be16_to_cpu(oleaf->lf_depth));  in dir_split_leaf()
1002 			dip->i_depth, be16_to_cpu(oleaf->lf_depth), index);  in dir_split_leaf()
1003 		gfs2_consist_inode(dip);  in dir_split_leaf()
1023 	gfs2_dir_hash_inval(dip);  in dir_split_leaf()
1025 	error = gfs2_dir_write_data(dip, (char *)lp, start * sizeof(u64),  in dir_split_leaf()
1036 	divider = (start + half_len) << (32 - dip->i_depth);  in dir_split_leaf()
1043 		if (dirent_next(dip, obh, &next))  in dir_split_leaf()
1062 			dirent_del(dip, obh, prev, dent);  in dir_split_leaf()
1065 				gfs2_consist_inode(dip);  in dir_split_leaf()
1080 	error = gfs2_meta_inode_buffer(dip, &dibh);  in dir_split_leaf()
1081 	if (!gfs2_assert_withdraw(GFS2_SB(&dip->i_inode), !error)) {  in dir_split_leaf()
1082 		gfs2_trans_add_meta(dip->i_gl, dibh);  in dir_split_leaf()
1083 		gfs2_add_inode_blocks(&dip->i_inode, 1);  in dir_split_leaf()
1084 		gfs2_dinode_out(dip, dibh->b_data);  in dir_split_leaf()
1109 static int dir_double_exhash(struct gfs2_inode *dip)  in dir_double_exhash()  argument
1119 	hsize = 1 << dip->i_depth;  in dir_double_exhash()
1122 	hc = gfs2_dir_get_hash_table(dip);  in dir_double_exhash()
1134 	error = gfs2_meta_inode_buffer(dip, &dibh);  in dir_double_exhash()
1144 	error = gfs2_dir_write_data(dip, (char *)hc2, 0, hsize_bytes * 2);  in dir_double_exhash()
1148 	gfs2_dir_hash_inval(dip);  in dir_double_exhash()
1149 	dip->i_hash_cache = hc2;  in dir_double_exhash()
1150 	dip->i_depth++;  in dir_double_exhash()
1151 	gfs2_dinode_out(dip, dibh->b_data);  in dir_double_exhash()
1157 	gfs2_dir_write_data(dip, (char *)hc, 0, hsize_bytes);  in dir_double_exhash()
1158 	i_size_write(&dip->i_inode, hsize_bytes);  in dir_double_exhash()
1159 	gfs2_dinode_out(dip, dibh->b_data);  in dir_double_exhash()
1224 static int do_filldir_main(struct gfs2_inode *dip, struct dir_context *ctx,  in do_filldir_main()  argument
1439 	struct gfs2_inode *dip = GFS2_I(inode);  in dir_e_read()  local
1447 	hsize = 1 << dip->i_depth;  in dir_e_read()
1449 	index = hash >> (32 - dip->i_depth);  in dir_e_read()
1451 	if (dip->i_hash_cache == NULL)  in dir_e_read()
1453 	lp = gfs2_dir_get_hash_table(dip);  in dir_e_read()
1466 		len = 1 << (dip->i_depth - depth);  in dir_e_read()
1478 	struct gfs2_inode *dip = GFS2_I(inode);  in gfs2_dir_read()  local
1486 	if (!dip->i_entries)  in gfs2_dir_read()
1489 	if (dip->i_diskflags & GFS2_DIF_EXHASH)  in gfs2_dir_read()
1492 	if (!gfs2_is_stuffed(dip)) {  in gfs2_dir_read()
1493 		gfs2_consist_inode(dip);  in gfs2_dir_read()
1497 	error = gfs2_meta_inode_buffer(dip, &dibh);  in gfs2_dir_read()
1513 		if (dip->i_entries != g.offset) {  in gfs2_dir_read()
1516 				(unsigned long long)dip->i_no_addr,  in gfs2_dir_read()
1517 				dip->i_entries,  in gfs2_dir_read()
1522 		error = do_filldir_main(dip, ctx, darr,  in gfs2_dir_read()
1523 					dip->i_entries, &copied);  in gfs2_dir_read()
1772 int gfs2_dir_del(struct gfs2_inode *dip, const struct dentry *dentry)  in gfs2_dir_del()  argument
1781 	dent = gfs2_dirent_search(&dip->i_inode, name, gfs2_dirent_prev, &bh);  in gfs2_dir_del()
1783 		gfs2_consist_inode(dip);  in gfs2_dir_del()
1787 		gfs2_consist_inode(dip);  in gfs2_dir_del()
1796 	dirent_del(dip, bh, prev, dent);  in gfs2_dir_del()
1797 	if (dip->i_diskflags & GFS2_DIF_EXHASH) {  in gfs2_dir_del()
1801 			gfs2_consist_inode(dip);  in gfs2_dir_del()
1808 	if (!dip->i_entries)  in gfs2_dir_del()
1809 		gfs2_consist_inode(dip);  in gfs2_dir_del()
1810 	dip->i_entries--;  in gfs2_dir_del()
1811 	dip->i_inode.i_mtime = dip->i_inode.i_ctime = tv;  in gfs2_dir_del()
1813 		drop_nlink(&dip->i_inode);  in gfs2_dir_del()
1814 	mark_inode_dirty(&dip->i_inode);  in gfs2_dir_del()
1832 int gfs2_dir_mvino(struct gfs2_inode *dip, const struct qstr *filename,  in gfs2_dir_mvino()  argument
1839 	dent = gfs2_dirent_search(&dip->i_inode, filename, gfs2_dirent_find, &bh);  in gfs2_dir_mvino()
1841 		gfs2_consist_inode(dip);  in gfs2_dir_mvino()
1847 	gfs2_trans_add_meta(dip->i_gl, bh);  in gfs2_dir_mvino()
1851 	if (dip->i_diskflags & GFS2_DIF_EXHASH) {  in gfs2_dir_mvino()
1853 		error = gfs2_meta_inode_buffer(dip, &bh);  in gfs2_dir_mvino()
1856 		gfs2_trans_add_meta(dip->i_gl, bh);  in gfs2_dir_mvino()
1859 	dip->i_inode.i_mtime = dip->i_inode.i_ctime = CURRENT_TIME;  in gfs2_dir_mvino()
1860 	gfs2_dinode_out(dip, bh->b_data);  in gfs2_dir_mvino()
1877 static int leaf_dealloc(struct gfs2_inode *dip, u32 index, u32 len,  in leaf_dealloc()  argument
1881 	struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);  in leaf_dealloc()
1904 	error = gfs2_quota_hold(dip, NO_UID_QUOTA_CHANGE, NO_GID_QUOTA_CHANGE);  in leaf_dealloc()
1913 			error = get_leaf(dip, blk, &bh);  in leaf_dealloc()
1922 		gfs2_rlist_add(dip, &rlist, blk);  in leaf_dealloc()
1948 			error = get_leaf(dip, blk, &bh);  in leaf_dealloc()
1957 		gfs2_free_meta(dip, blk, 1);  in leaf_dealloc()
1958 		gfs2_add_inode_blocks(&dip->i_inode, -1);  in leaf_dealloc()
1961 	error = gfs2_dir_write_data(dip, ht, index * sizeof(u64), size);  in leaf_dealloc()
1968 	error = gfs2_meta_inode_buffer(dip, &dibh);  in leaf_dealloc()
1972 	gfs2_trans_add_meta(dip->i_gl, dibh);  in leaf_dealloc()
1976 		dip->i_inode.i_mode = S_IFREG;  in leaf_dealloc()
1977 	gfs2_dinode_out(dip, dibh->b_data);  in leaf_dealloc()
1986 	gfs2_quota_unhold(dip);  in leaf_dealloc()
2002 int gfs2_dir_exhash_dealloc(struct gfs2_inode *dip)  in gfs2_dir_exhash_dealloc()  argument
2012 	hsize = 1 << dip->i_depth;  in gfs2_dir_exhash_dealloc()
2014 	lp = gfs2_dir_get_hash_table(dip);  in gfs2_dir_exhash_dealloc()
2021 			error = get_leaf(dip, leaf_no, &bh);  in gfs2_dir_exhash_dealloc()
2025 			len = 1 << (dip->i_depth - be16_to_cpu(leaf->lf_depth));  in gfs2_dir_exhash_dealloc()
2029 			error = leaf_dealloc(dip, index, len, leaf_no, bh,  in gfs2_dir_exhash_dealloc()
2040 		gfs2_consist_inode(dip);  in gfs2_dir_exhash_dealloc()