587 static int dirent_check_reclen(struct gfs2_inode *dip,  in dirent_check_reclen()  argument
601 	gfs2_consist_inode(dip);  in dirent_check_reclen()
614 static int dirent_next(struct gfs2_inode *dip, struct buffer_head *bh,  in dirent_next()  argument
621 	ret = dirent_check_reclen(dip, cur, bh_end);  in dirent_next()
626 	ret = dirent_check_reclen(dip, tmp, bh_end);  in dirent_next()
632 		gfs2_consist_inode(dip);  in dirent_next()
649 static void dirent_del(struct gfs2_inode *dip, struct buffer_head *bh,  in dirent_del()  argument
655 		gfs2_consist_inode(dip);  in dirent_del()
659 	gfs2_trans_add_meta(dip->i_gl, bh);  in dirent_del()
677 		gfs2_consist_inode(dip);  in dirent_del()
679 		gfs2_consist_inode(dip);  in dirent_del()
721 static int get_leaf(struct gfs2_inode *dip, u64 leaf_no,  in get_leaf()  argument
726 	error = gfs2_meta_read(dip->i_gl, leaf_no, DIO_WAIT, bhp);  in get_leaf()
727 	if (!error && gfs2_metatype_check(GFS2_SB(&dip->i_inode), *bhp, GFS2_METATYPE_LF)) {  in get_leaf()
744 static int get_leaf_nr(struct gfs2_inode *dip, u32 index,  in get_leaf_nr()  argument
749 	hash = gfs2_dir_get_hash_table(dip);  in get_leaf_nr()
756 static int get_first_leaf(struct gfs2_inode *dip, u32 index,  in get_first_leaf()  argument
762 	error = get_leaf_nr(dip, index, &leaf_no);  in get_first_leaf()
764 		error = get_leaf(dip, leaf_no, bh_out);  in get_first_leaf()
871 	struct gfs2_inode *dip = GFS2_I(inode);  in dir_make_exhash()  local
883 	error = gfs2_meta_inode_buffer(dip, &dibh);  in dir_make_exhash()
894 	gfs2_assert(sdp, dip->i_entries < (1 << 16));  in dir_make_exhash()
895 	leaf->lf_entries = cpu_to_be16(dip->i_entries);  in dir_make_exhash()
908 	dent = gfs2_dirent_scan(&dip->i_inode, bh->b_data, bh->b_size,  in dir_make_exhash()
933 	gfs2_trans_add_meta(dip->i_gl, dibh);  in dir_make_exhash()
942 	gfs2_add_inode_blocks(&dip->i_inode, 1);  in dir_make_exhash()
943 	dip->i_diskflags |= GFS2_DIF_EXHASH;  in dir_make_exhash()
946 	dip->i_depth = y;  in dir_make_exhash()
948 	gfs2_dinode_out(dip, dibh->b_data);  in dir_make_exhash()
966 	struct gfs2_inode *dip = GFS2_I(inode);  in dir_split_leaf()  local
977 	index = name->hash >> (32 - dip->i_depth);  in dir_split_leaf()
978 	error = get_leaf_nr(dip, index, &leaf_no);  in dir_split_leaf()
983 	error = get_leaf(dip, leaf_no, &obh);  in dir_split_leaf()
988 	if (dip->i_depth == be16_to_cpu(oleaf->lf_depth)) {  in dir_split_leaf()
993 	gfs2_trans_add_meta(dip->i_gl, obh);  in dir_split_leaf()
1003 	len = 1 << (dip->i_depth - be16_to_cpu(oleaf->lf_depth));  in dir_split_leaf()
1007 			dip->i_depth, be16_to_cpu(oleaf->lf_depth), index);  in dir_split_leaf()
1008 		gfs2_consist_inode(dip);  in dir_split_leaf()
1028 	gfs2_dir_hash_inval(dip);  in dir_split_leaf()
1030 	error = gfs2_dir_write_data(dip, (char *)lp, start * sizeof(u64),  in dir_split_leaf()
1041 	divider = (start + half_len) << (32 - dip->i_depth);  in dir_split_leaf()
1048 		if (dirent_next(dip, obh, &next))  in dir_split_leaf()
1067 			dirent_del(dip, obh, prev, dent);  in dir_split_leaf()
1070 				gfs2_consist_inode(dip);  in dir_split_leaf()
1085 	error = gfs2_meta_inode_buffer(dip, &dibh);  in dir_split_leaf()
1086 	if (!gfs2_assert_withdraw(GFS2_SB(&dip->i_inode), !error)) {  in dir_split_leaf()
1087 		gfs2_trans_add_meta(dip->i_gl, dibh);  in dir_split_leaf()
1088 		gfs2_add_inode_blocks(&dip->i_inode, 1);  in dir_split_leaf()
1089 		gfs2_dinode_out(dip, dibh->b_data);  in dir_split_leaf()
1114 static int dir_double_exhash(struct gfs2_inode *dip)  in dir_double_exhash()  argument
1124 	hsize = 1 << dip->i_depth;  in dir_double_exhash()
1127 	hc = gfs2_dir_get_hash_table(dip);  in dir_double_exhash()
1139 	error = gfs2_meta_inode_buffer(dip, &dibh);  in dir_double_exhash()
1149 	error = gfs2_dir_write_data(dip, (char *)hc2, 0, hsize_bytes * 2);  in dir_double_exhash()
1153 	gfs2_dir_hash_inval(dip);  in dir_double_exhash()
1154 	dip->i_hash_cache = hc2;  in dir_double_exhash()
1155 	dip->i_depth++;  in dir_double_exhash()
1156 	gfs2_dinode_out(dip, dibh->b_data);  in dir_double_exhash()
1162 	gfs2_dir_write_data(dip, (char *)hc, 0, hsize_bytes);  in dir_double_exhash()
1163 	i_size_write(&dip->i_inode, hsize_bytes);  in dir_double_exhash()
1164 	gfs2_dinode_out(dip, dibh->b_data);  in dir_double_exhash()
1229 static int do_filldir_main(struct gfs2_inode *dip, struct dir_context *ctx,  in do_filldir_main()  argument
1444 	struct gfs2_inode *dip = GFS2_I(inode);  in dir_e_read()  local
1452 	hsize = 1 << dip->i_depth;  in dir_e_read()
1454 	index = hash >> (32 - dip->i_depth);  in dir_e_read()
1456 	if (dip->i_hash_cache == NULL)  in dir_e_read()
1458 	lp = gfs2_dir_get_hash_table(dip);  in dir_e_read()
1471 		len = 1 << (dip->i_depth - depth);  in dir_e_read()
1483 	struct gfs2_inode *dip = GFS2_I(inode);  in gfs2_dir_read()  local
1491 	if (!dip->i_entries)  in gfs2_dir_read()
1494 	if (dip->i_diskflags & GFS2_DIF_EXHASH)  in gfs2_dir_read()
1497 	if (!gfs2_is_stuffed(dip)) {  in gfs2_dir_read()
1498 		gfs2_consist_inode(dip);  in gfs2_dir_read()
1502 	error = gfs2_meta_inode_buffer(dip, &dibh);  in gfs2_dir_read()
1518 		if (dip->i_entries != g.offset) {  in gfs2_dir_read()
1521 				(unsigned long long)dip->i_no_addr,  in gfs2_dir_read()
1522 				dip->i_entries,  in gfs2_dir_read()
1527 		error = do_filldir_main(dip, ctx, darr,  in gfs2_dir_read()
1528 					dip->i_entries, &copied);  in gfs2_dir_read()
1777 int gfs2_dir_del(struct gfs2_inode *dip, const struct dentry *dentry)  in gfs2_dir_del()  argument
1786 	dent = gfs2_dirent_search(&dip->i_inode, name, gfs2_dirent_prev, &bh);  in gfs2_dir_del()
1788 		gfs2_consist_inode(dip);  in gfs2_dir_del()
1792 		gfs2_consist_inode(dip);  in gfs2_dir_del()
1801 	dirent_del(dip, bh, prev, dent);  in gfs2_dir_del()
1802 	if (dip->i_diskflags & GFS2_DIF_EXHASH) {  in gfs2_dir_del()
1806 			gfs2_consist_inode(dip);  in gfs2_dir_del()
1813 	if (!dip->i_entries)  in gfs2_dir_del()
1814 		gfs2_consist_inode(dip);  in gfs2_dir_del()
1815 	dip->i_entries--;  in gfs2_dir_del()
1816 	dip->i_inode.i_mtime = dip->i_inode.i_ctime = tv;  in gfs2_dir_del()
1818 		drop_nlink(&dip->i_inode);  in gfs2_dir_del()
1819 	mark_inode_dirty(&dip->i_inode);  in gfs2_dir_del()
1837 int gfs2_dir_mvino(struct gfs2_inode *dip, const struct qstr *filename,  in gfs2_dir_mvino()  argument
1844 	dent = gfs2_dirent_search(&dip->i_inode, filename, gfs2_dirent_find, &bh);  in gfs2_dir_mvino()
1846 		gfs2_consist_inode(dip);  in gfs2_dir_mvino()
1852 	gfs2_trans_add_meta(dip->i_gl, bh);  in gfs2_dir_mvino()
1856 	if (dip->i_diskflags & GFS2_DIF_EXHASH) {  in gfs2_dir_mvino()
1858 		error = gfs2_meta_inode_buffer(dip, &bh);  in gfs2_dir_mvino()
1861 		gfs2_trans_add_meta(dip->i_gl, bh);  in gfs2_dir_mvino()
1864 	dip->i_inode.i_mtime = dip->i_inode.i_ctime = CURRENT_TIME;  in gfs2_dir_mvino()
1865 	gfs2_dinode_out(dip, bh->b_data);  in gfs2_dir_mvino()
1882 static int leaf_dealloc(struct gfs2_inode *dip, u32 index, u32 len,  in leaf_dealloc()  argument
1886 	struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);  in leaf_dealloc()
1909 	error = gfs2_quota_hold(dip, NO_UID_QUOTA_CHANGE, NO_GID_QUOTA_CHANGE);  in leaf_dealloc()
1918 			error = get_leaf(dip, blk, &bh);  in leaf_dealloc()
1927 		gfs2_rlist_add(dip, &rlist, blk);  in leaf_dealloc()
1953 			error = get_leaf(dip, blk, &bh);  in leaf_dealloc()
1962 		gfs2_free_meta(dip, blk, 1);  in leaf_dealloc()
1963 		gfs2_add_inode_blocks(&dip->i_inode, -1);  in leaf_dealloc()
1966 	error = gfs2_dir_write_data(dip, ht, index * sizeof(u64), size);  in leaf_dealloc()
1973 	error = gfs2_meta_inode_buffer(dip, &dibh);  in leaf_dealloc()
1977 	gfs2_trans_add_meta(dip->i_gl, dibh);  in leaf_dealloc()
1981 		dip->i_inode.i_mode = S_IFREG;  in leaf_dealloc()
1982 	gfs2_dinode_out(dip, dibh->b_data);  in leaf_dealloc()
1991 	gfs2_quota_unhold(dip);  in leaf_dealloc()
2007 int gfs2_dir_exhash_dealloc(struct gfs2_inode *dip)  in gfs2_dir_exhash_dealloc()  argument
2017 	hsize = 1 << dip->i_depth;  in gfs2_dir_exhash_dealloc()
2019 	lp = gfs2_dir_get_hash_table(dip);  in gfs2_dir_exhash_dealloc()
2026 			error = get_leaf(dip, leaf_no, &bh);  in gfs2_dir_exhash_dealloc()
2030 			len = 1 << (dip->i_depth - be16_to_cpu(leaf->lf_depth));  in gfs2_dir_exhash_dealloc()
2034 			error = leaf_dealloc(dip, index, len, leaf_no, bh,  in gfs2_dir_exhash_dealloc()
2045 		gfs2_consist_inode(dip);  in gfs2_dir_exhash_dealloc()