33  * Returns: 1 if the EA should be stuffed
85 			  struct gfs2_ea_header *ea,
92 	struct gfs2_ea_header *ea, *prev = NULL;  in ea_foreach_i()  local
98 	for (ea = GFS2_EA_BH2FIRST(bh);; prev = ea, ea = GFS2_EA2NEXT(ea)) {  in ea_foreach_i()
99 		if (!GFS2_EA_REC_LEN(ea))  in ea_foreach_i()
101 		if (!(bh->b_data <= (char *)ea && (char *)GFS2_EA2NEXT(ea) <=  in ea_foreach_i()
104 		if (!gfs2_eatype_valid(sdp, ea->ea_type))  in ea_foreach_i()
106 		error = ea_call(ip, bh, ea, prev, data);  in ea_foreach_i()
110 		if (GFS2_EA_IS_LAST(ea)) {  in ea_foreach_i()
111 			if ((char *)GFS2_EA2NEXT(ea) !=  in ea_foreach_i()
176 		     struct gfs2_ea_header *ea, struct gfs2_ea_header *prev,  in ea_find_i()  argument
181 	if (ea->ea_type == GFS2_EATYPE_UNUSED)  in ea_find_i()
184 	if (ea->ea_type == ef->type) {  in ea_find_i()
185 		if (ea->ea_name_len == ef->namel &&  in ea_find_i()
186 		    !memcmp(GFS2_EA2NAME(ea), ef->name, ea->ea_name_len)) {  in ea_find_i()
190 			el->el_ea = ea;  in ea_find_i()
230 				struct gfs2_ea_header *ea,  in ea_dealloc_unstuffed()  argument
249 	if (GFS2_EA_IS_STUFFED(ea))  in ea_dealloc_unstuffed()
252 	dataptrs = GFS2_EA2DATAPTRS(ea);  in ea_dealloc_unstuffed()
253 	for (x = 0; x < ea->ea_num_ptrs; x++, dataptrs++) {  in ea_dealloc_unstuffed()
280 	dataptrs = GFS2_EA2DATAPTRS(ea);  in ea_dealloc_unstuffed()
281 	for (x = 0; x < ea->ea_num_ptrs; x++, dataptrs++) {  in ea_dealloc_unstuffed()
304 		len = GFS2_EA_REC_LEN(prev) + GFS2_EA_REC_LEN(ea);  in ea_dealloc_unstuffed()
307 		if (GFS2_EA_IS_LAST(ea))  in ea_dealloc_unstuffed()
310 		ea->ea_type = GFS2_EATYPE_UNUSED;  in ea_dealloc_unstuffed()
311 		ea->ea_num_ptrs = 0;  in ea_dealloc_unstuffed()
325 			       struct gfs2_ea_header *ea,  in ea_remove_unstuffed()  argument
338 	error = ea_dealloc_unstuffed(ip, bh, ea, prev, (leave) ? &error : NULL);  in ea_remove_unstuffed()
351 		     struct gfs2_ea_header *ea, struct gfs2_ea_header *prev,  in ea_list_i()  argument
361 	if (ea->ea_type == GFS2_EATYPE_UNUSED)  in ea_list_i()
364 	BUG_ON(ea->ea_type > GFS2_EATYPE_SECURITY &&  in ea_list_i()
366 	switch (ea->ea_type) {  in ea_list_i()
387 	ea_size = l + ea->ea_name_len + 1;  in ea_list_i()
393 		memcpy(er->er_data + ei->ei_size + l, GFS2_EA2NAME(ea),  in ea_list_i()
394 		       ea->ea_name_len);  in ea_list_i()
446  * @ea: The extended attribute header structure
453 static int gfs2_iter_unstuffed(struct gfs2_inode *ip, struct gfs2_ea_header *ea,  in gfs2_iter_unstuffed()  argument
458 	unsigned int amount = GFS2_EA_DATA_LEN(ea);  in gfs2_iter_unstuffed()
460 	__be64 *dataptrs = GFS2_EA2DATAPTRS(ea);  in gfs2_iter_unstuffed()
637 	struct gfs2_ea_header *ea;  in ea_alloc_blk()  local
651 	ea = GFS2_EA_BH2FIRST(*bhp);  in ea_alloc_blk()
652 	ea->ea_rec_len = cpu_to_be32(sdp->sd_jbsize);  in ea_alloc_blk()
653 	ea->ea_type = GFS2_EATYPE_UNUSED;  in ea_alloc_blk()
654 	ea->ea_flags = GFS2_EAFLAG_LAST;  in ea_alloc_blk()
655 	ea->ea_num_ptrs = 0;  in ea_alloc_blk()
663  * ea_write - writes the request info to an ea, creating new blocks if
666  * @ea: the location of the new ea in a block
674 static int ea_write(struct gfs2_inode *ip, struct gfs2_ea_header *ea,  in ea_write()  argument
680 	ea->ea_data_len = cpu_to_be32(er->er_data_len);  in ea_write()
681 	ea->ea_name_len = er->er_name_len;  in ea_write()
682 	ea->ea_type = er->er_type;  in ea_write()
683 	ea->__pad = 0;  in ea_write()
685 	memcpy(GFS2_EA2NAME(ea), er->er_name, er->er_name_len);  in ea_write()
688 		ea->ea_num_ptrs = 0;  in ea_write()
689 		memcpy(GFS2_EA2DATA(ea), er->er_data, er->er_data_len);  in ea_write()
691 		__be64 *dataptr = GFS2_EA2DATAPTRS(ea);  in ea_write()
697 		ea->ea_num_ptrs = DIV_ROUND_UP(er->er_data_len, sdp->sd_jbsize);  in ea_write()
698 		for (x = 0; x < ea->ea_num_ptrs; x++) {  in ea_write()
820 static struct gfs2_ea_header *ea_split_ea(struct gfs2_ea_header *ea)  in ea_split_ea()  argument
822 	u32 ea_size = GFS2_EA_SIZE(ea);  in ea_split_ea()
823 	struct gfs2_ea_header *new = (struct gfs2_ea_header *)((char *)ea +  in ea_split_ea()
825 	u32 new_size = GFS2_EA_REC_LEN(ea) - ea_size;  in ea_split_ea()
826 	int last = ea->ea_flags & GFS2_EAFLAG_LAST;  in ea_split_ea()
828 	ea->ea_rec_len = cpu_to_be32(ea_size);  in ea_split_ea()
829 	ea->ea_flags ^= last;  in ea_split_ea()
840 	struct gfs2_ea_header *ea = el->el_ea;  in ea_set_remove_stuffed()  local
846 	if (!prev || !GFS2_EA_IS_STUFFED(ea)) {  in ea_set_remove_stuffed()
847 		ea->ea_type = GFS2_EATYPE_UNUSED;  in ea_set_remove_stuffed()
849 	} else if (GFS2_EA2NEXT(prev) != ea) {  in ea_set_remove_stuffed()
851 		gfs2_assert_withdraw(GFS2_SB(&ip->i_inode), GFS2_EA2NEXT(prev) == ea);  in ea_set_remove_stuffed()
854 	len = GFS2_EA_REC_LEN(prev) + GFS2_EA_REC_LEN(ea);  in ea_set_remove_stuffed()
857 	if (GFS2_EA_IS_LAST(ea))  in ea_set_remove_stuffed()
872 				 struct gfs2_ea_header *ea, struct ea_set *es)  in ea_set_simple_noalloc()  argument
884 		ea = ea_split_ea(ea);  in ea_set_simple_noalloc()
886 	ea_write(ip, ea, er);  in ea_set_simple_noalloc()
902 	struct gfs2_ea_header *ea = es->es_ea;  in ea_set_simple_alloc()  local
908 		ea = ea_split_ea(ea);  in ea_set_simple_alloc()
910 	error = ea_write(ip, ea, er);  in ea_set_simple_alloc()
921 			 struct gfs2_ea_header *ea, struct gfs2_ea_header *prev,  in ea_set_simple()  argument
932 	if (ea->ea_type == GFS2_EATYPE_UNUSED) {  in ea_set_simple()
933 		if (GFS2_EA_REC_LEN(ea) < size)  in ea_set_simple()
935 		if (!GFS2_EA_IS_STUFFED(ea)) {  in ea_set_simple()
936 			error = ea_remove_unstuffed(ip, bh, ea, prev, 1);  in ea_set_simple()
941 	} else if (GFS2_EA_REC_LEN(ea) - GFS2_EA_SIZE(ea) >= size)  in ea_set_simple()
947 		error = ea_set_simple_noalloc(ip, bh, ea, es);  in ea_set_simple()
954 		es->es_ea = ea;  in ea_set_simple()
1087 	struct gfs2_ea_header *ea = el->el_ea;  in ea_remove_stuffed()  local
1100 		len = GFS2_EA_REC_LEN(prev) + GFS2_EA_REC_LEN(ea);  in ea_remove_stuffed()
1103 		if (GFS2_EA_IS_LAST(ea))  in ea_remove_stuffed()
1106 		ea->ea_type = GFS2_EATYPE_UNUSED;  in ea_remove_stuffed()