46 STATIC int xfs_attr_shortform_addname(xfs_da_args_t *args);
51 STATIC int xfs_attr_leaf_get(xfs_da_args_t *args);
52 STATIC int xfs_attr_leaf_removename(xfs_da_args_t *args);
53 STATIC int xfs_attr_leaf_hasname(struct xfs_da_args *args, struct xfs_buf **bp);
58 STATIC int xfs_attr_node_get(xfs_da_args_t *args);
59 STATIC void xfs_attr_restore_rmt_blk(struct xfs_da_args *args);
63 STATIC int xfs_attr_node_lookup(struct xfs_da_args *args,
125 	trace_xfs_attr_fillstate(state->args);
173 	trace_xfs_attr_refillstate(state->args);
183 			error = xfs_da3_node_read_mapped(state->args->trans,
184 					state->args->dp, blk->disk_blkno,
201 			error = xfs_da3_node_read_mapped(state->args->trans,
202 					state->args->dp, blk->disk_blkno,
227 	struct xfs_da_args	*args)  in xfs_attr_get_ilocked()  argument
231 	xfs_assert_ilocked(args->dp, XFS_ILOCK_SHARED | XFS_ILOCK_EXCL);  in xfs_attr_get_ilocked()
233 	if (!xfs_inode_hasattr(args->dp))  in xfs_attr_get_ilocked()
240 	error = xfs_iread_extents(args->trans, args->dp, XFS_ATTR_FORK);  in xfs_attr_get_ilocked()
244 	if (args->dp->i_af.if_format == XFS_DINODE_FMT_LOCAL)  in xfs_attr_get_ilocked()
245 		return xfs_attr_shortform_getvalue(args);  in xfs_attr_get_ilocked()
246 	if (xfs_attr_is_leaf(args->dp))  in xfs_attr_get_ilocked()
247 		return xfs_attr_leaf_get(args);  in xfs_attr_get_ilocked()
248 	return xfs_attr_node_get(args);  in xfs_attr_get_ilocked()
254  * If args->valuelen is zero, then the caller does not want the value, just an
256  * exists. The size is returned in args.valuelen.
258  * If args->value is NULL but args->valuelen is non-zero, allocate the buffer
260  * caller always has to free args->value if it is set, no matter if this
264  * args->valuelen, return -ERANGE with the size of the attribute that was found
265  * in args->valuelen.
269 	struct xfs_da_args	*args)  in xfs_attr_get()  argument
274 	XFS_STATS_INC(args->dp->i_mount, xs_attr_get);  in xfs_attr_get()
276 	if (xfs_is_shutdown(args->dp->i_mount))  in xfs_attr_get()
279 	if (!args->owner)  in xfs_attr_get()
280 		args->owner = args->dp->i_ino;  in xfs_attr_get()
281 	args->geo = args->dp->i_mount->m_attr_geo;  in xfs_attr_get()
282 	args->whichfork = XFS_ATTR_FORK;  in xfs_attr_get()
283 	xfs_attr_sethash(args);  in xfs_attr_get()
286 	args->op_flags = XFS_DA_OP_OKNOENT;  in xfs_attr_get()
288 	lock_mode = xfs_ilock_attr_map_shared(args->dp);  in xfs_attr_get()
289 	error = xfs_attr_get_ilocked(args);  in xfs_attr_get()
290 	xfs_iunlock(args->dp, lock_mode);  in xfs_attr_get()
300 	struct xfs_da_args	*args,  in xfs_attr_calc_size()  argument
303 	struct xfs_mount	*mp = args->dp->i_mount;  in xfs_attr_calc_size()
311 	size = xfs_attr_leaf_newentsize(args, local);  in xfs_attr_calc_size()
314 		if (size > (args->geo->blksize / 2)) {  in xfs_attr_calc_size()
323 		uint	dblocks = xfs_attr3_rmt_blocks(mp, args->valuelen);  in xfs_attr_calc_size()
334 	const struct xfs_da_args	*args)  in xfs_attr_set_resv()  argument
336 	struct xfs_mount		*mp = args->dp->i_mount;  in xfs_attr_set_resv()
339 			    M_RES(mp)->tr_attrsetrt.tr_logres * args->total,  in xfs_attr_set_resv()
355 	struct xfs_da_args	*args)  in xfs_attr_try_sf_addname()  argument
364 		xfs_attr_shortform_create(args);  in xfs_attr_try_sf_addname()
366 	error = xfs_attr_shortform_addname(args);  in xfs_attr_try_sf_addname()
375 		xfs_trans_ichgtime(args->trans, dp, XFS_ICHGTIME_CHG);  in xfs_attr_try_sf_addname()
378 		xfs_trans_set_sync(args->trans);  in xfs_attr_try_sf_addname()
387 	struct xfs_da_args		*args = attr->xattri_da_args;  in xfs_attr_sf_addname()  local
388 	struct xfs_inode		*dp = args->dp;  in xfs_attr_sf_addname()
391 	error = xfs_attr_try_sf_addname(dp, args);  in xfs_attr_sf_addname()
402 	error = xfs_attr_shortform_to_leaf(args);  in xfs_attr_sf_addname()
408 	trace_xfs_attr_sf_addname_return(attr->xattri_dela_state, args->dp);  in xfs_attr_sf_addname()
442 	struct xfs_da_args	*args)  in xfs_attr_save_rmt_blk()  argument
444 	args->blkno2 = args->blkno;  in xfs_attr_save_rmt_blk()
445 	args->index2 = args->index;  in xfs_attr_save_rmt_blk()
446 	args->rmtblkno2 = args->rmtblkno;  in xfs_attr_save_rmt_blk()
447 	args->rmtblkcnt2 = args->rmtblkcnt;  in xfs_attr_save_rmt_blk()
448 	args->rmtvaluelen2 = args->rmtvaluelen;  in xfs_attr_save_rmt_blk()
449 	args->rmtblkno = 0;  in xfs_attr_save_rmt_blk()
450 	args->rmtblkcnt = 0;  in xfs_attr_save_rmt_blk()
451 	args->rmtvaluelen = 0;  in xfs_attr_save_rmt_blk()
457 	struct xfs_da_args	*args)  in xfs_attr_restore_rmt_blk()  argument
459 	args->blkno = args->blkno2;  in xfs_attr_restore_rmt_blk()
460 	args->index = args->index2;  in xfs_attr_restore_rmt_blk()
461 	args->rmtblkno = args->rmtblkno2;  in xfs_attr_restore_rmt_blk()
462 	args->rmtblkcnt = args->rmtblkcnt2;  in xfs_attr_restore_rmt_blk()
463 	args->rmtvaluelen = args->rmtvaluelen2;  in xfs_attr_restore_rmt_blk()
473 	struct xfs_da_args	*args)  in xfs_attr_update_pptr_replace_args()  argument
475 	ASSERT(args->new_namelen > 0);  in xfs_attr_update_pptr_replace_args()
476 	args->name = args->new_name;  in xfs_attr_update_pptr_replace_args()
477 	args->namelen = args->new_namelen;  in xfs_attr_update_pptr_replace_args()
478 	args->value = args->new_value;  in xfs_attr_update_pptr_replace_args()
479 	args->valuelen = args->new_valuelen;  in xfs_attr_update_pptr_replace_args()
480 	xfs_attr_sethash(args);  in xfs_attr_update_pptr_replace_args()
499 	struct xfs_da_args	*args = attr->xattri_da_args;  in xfs_attr_complete_op()  local
501 	if (!(args->op_flags & XFS_DA_OP_REPLACE))  in xfs_attr_complete_op()
504 		xfs_attr_update_pptr_replace_args(args);  in xfs_attr_complete_op()
506 	args->op_flags &= ~XFS_DA_OP_REPLACE;  in xfs_attr_complete_op()
507 	args->attr_filter &= ~XFS_ATTR_INCOMPLETE;  in xfs_attr_complete_op()
518 	struct xfs_da_args	*args = attr->xattri_da_args;  in xfs_attr_leaf_addname()  local
522 	ASSERT(xfs_attr_is_leaf(args->dp));  in xfs_attr_leaf_addname()
524 	error = xfs_attr3_leaf_read(args->trans, args->dp, args->owner, 0, &bp);  in xfs_attr_leaf_addname()
531 	error = xfs_attr3_leaf_lookup_int(bp, args);  in xfs_attr_leaf_addname()
534 		if (args->op_flags & XFS_DA_OP_REPLACE)  in xfs_attr_leaf_addname()
538 		if (!(args->op_flags & XFS_DA_OP_REPLACE))  in xfs_attr_leaf_addname()
541 		trace_xfs_attr_leaf_replace(args);  in xfs_attr_leaf_addname()
547 		xfs_attr_save_rmt_blk(args);  in xfs_attr_leaf_addname()
560 	if (!xfs_attr3_leaf_add(bp, args)) {  in xfs_attr_leaf_addname()
561 		error = xfs_attr3_leaf_to_node(args);  in xfs_attr_leaf_addname()
566 	} else if (args->rmtblkno) {  in xfs_attr_leaf_addname()
573 	trace_xfs_attr_leaf_addname_return(attr->xattri_dela_state, args->dp);  in xfs_attr_leaf_addname()
577 	xfs_trans_brelse(args->trans, bp);  in xfs_attr_leaf_addname()
592 	struct xfs_da_args	*args = attr->xattri_da_args;  in xfs_attr_node_addname()  local
601 		error = xfs_attr3_leaf_to_node(args);  in xfs_attr_node_addname()
613 	if (args->rmtblkno)  in xfs_attr_node_addname()
619 	trace_xfs_attr_node_addname_return(attr->xattri_dela_state, args->dp);  in xfs_attr_node_addname()
627 	struct xfs_da_args              *args = attr->xattri_da_args;  in xfs_attr_rmtval_alloc()  local
645 	error = xfs_attr_rmtval_set_value(args);  in xfs_attr_rmtval_alloc()
657 		error = xfs_attr3_leaf_clearflag(args);  in xfs_attr_rmtval_alloc()
659 	trace_xfs_attr_rmtval_alloc(attr->xattri_dela_state, args->dp);  in xfs_attr_rmtval_alloc()
669 	struct xfs_da_args	*args,  in xfs_attr_leaf_mark_incomplete()  argument
686 	return xfs_attr3_leaf_setflag(args);  in xfs_attr_leaf_mark_incomplete()
694 	struct xfs_da_args	*args = attr->xattri_da_args;  in xfs_attr_item_init_da_state()  local
697 		attr->xattri_da_state = xfs_da_state_alloc(args);  in xfs_attr_item_init_da_state()
699 		xfs_da_state_reset(attr->xattri_da_state, args);  in xfs_attr_item_init_da_state()
711 	struct xfs_da_args		*args = attr->xattri_da_args;  in xfs_attr_node_removename_setup()  local
716 	error = xfs_attr_node_lookup(args, attr->xattri_da_state);  in xfs_attr_node_removename_setup()
726 	error = xfs_attr_leaf_mark_incomplete(args, state);  in xfs_attr_node_removename_setup()
729 	if (args->rmtblkno > 0)  in xfs_attr_node_removename_setup()
730 		error = xfs_attr_rmtval_invalidate(args);  in xfs_attr_node_removename_setup()
742  * original lookup and insert placing the old attr in args->blkno/args->index
743  * and the new attr in args->blkno2/args->index2.
749 	struct xfs_da_args              *args = attr->xattri_da_args;  in xfs_attr_leaf_remove_attr()  local
750 	struct xfs_inode		*dp = args->dp;  in xfs_attr_leaf_remove_attr()
755 	error = xfs_attr3_leaf_read(args->trans, args->dp, args->owner,  in xfs_attr_leaf_remove_attr()
756 			args->blkno, &bp);  in xfs_attr_leaf_remove_attr()
760 	xfs_attr3_leaf_remove(bp, args);  in xfs_attr_leaf_remove_attr()
764 		error = xfs_attr3_leaf_to_shortform(bp, args, forkoff);  in xfs_attr_leaf_remove_attr()
777 	struct xfs_da_args	*args)  in xfs_attr_leaf_shrink()  argument
779 	struct xfs_inode	*dp = args->dp;  in xfs_attr_leaf_shrink()
787 	error = xfs_attr3_leaf_read(args->trans, args->dp, args->owner, 0, &bp);  in xfs_attr_leaf_shrink()
793 		error = xfs_attr3_leaf_to_shortform(bp, args, forkoff);  in xfs_attr_leaf_shrink()
796 		xfs_trans_brelse(args->trans, bp);  in xfs_attr_leaf_shrink()
814 	struct xfs_da_args              *args = attr->xattri_da_args;  in xfs_attr_set_iter()  local
831 		error = xfs_attr_sf_removename(args);  in xfs_attr_set_iter()
833 						xfs_attr_init_add_state(args));  in xfs_attr_set_iter()
836 		error = xfs_attr_leaf_removename(args);  in xfs_attr_set_iter()
838 						xfs_attr_init_add_state(args));  in xfs_attr_set_iter()
843 		    (args->op_flags & XFS_DA_OP_RECOVERY)) {  in xfs_attr_set_iter()
845 						xfs_attr_init_add_state(args));  in xfs_attr_set_iter()
852 		if (args->rmtblkno == 0)  in xfs_attr_set_iter()
880 		error = xfs_attr3_leaf_flipflags(args);  in xfs_attr_set_iter()
899 		xfs_attr_restore_rmt_blk(args);  in xfs_attr_set_iter()
900 		if (args->rmtblkno) {  in xfs_attr_set_iter()
901 			error = xfs_attr_rmtval_invalidate(args);  in xfs_attr_set_iter()
935 						xfs_attr_init_add_state(args));  in xfs_attr_set_iter()
941 			error = xfs_attr_leaf_shrink(args);  in xfs_attr_set_iter()
943 						xfs_attr_init_add_state(args));  in xfs_attr_set_iter()
950 	trace_xfs_attr_set_iter_return(attr->xattri_dela_state, args->dp);  in xfs_attr_set_iter()
960 	struct xfs_da_args	*args)  in xfs_attr_lookup()  argument
962 	struct xfs_inode	*dp = args->dp;  in xfs_attr_lookup()
971 		if (xfs_attr_sf_findname(args))  in xfs_attr_lookup()
977 	error = xfs_iread_extents(args->trans, args->dp, XFS_ATTR_FORK);  in xfs_attr_lookup()
982 		error = xfs_attr_leaf_hasname(args, &bp);  in xfs_attr_lookup()
985 			xfs_trans_brelse(args->trans, bp);  in xfs_attr_lookup()
990 	state = xfs_da_state_alloc(args);  in xfs_attr_lookup()
991 	error = xfs_attr_node_lookup(args, state);  in xfs_attr_lookup()
1036  * The caller must have initialized @args, attached dquots, and must not hold
1045 	struct xfs_da_args	*args,  in xfs_attr_set()  argument
1049 	struct xfs_inode	*dp = args->dp;  in xfs_attr_set()
1056 	ASSERT(!args->trans);  in xfs_attr_set()
1063 		args->total = xfs_attr_calc_size(args, &local);  in xfs_attr_set()
1071 				xfs_attr_sf_entsize_byname(args->namelen,  in xfs_attr_set()
1072 						args->valuelen);  in xfs_attr_set()
1080 			rmt_blks = xfs_attr3_rmt_blocks(mp, args->valuelen);  in xfs_attr_set()
1082 		tres = xfs_attr_set_resv(args);  in xfs_attr_set()
1083 		total = args->total;  in xfs_attr_set()
1097 	error = xfs_trans_alloc_inode(dp, &tres, total, 0, rsvd, &args->trans);  in xfs_attr_set()
1102 		error = xfs_iext_count_extend(args->trans, dp, XFS_ATTR_FORK,  in xfs_attr_set()
1108 	error = xfs_attr_lookup(args);  in xfs_attr_set()
1113 			xfs_attr_defer_add(args, XFS_ATTR_DEFER_REMOVE);  in xfs_attr_set()
1120 		xfs_attr_defer_add(args, XFS_ATTR_DEFER_REPLACE);  in xfs_attr_set()
1130 		xfs_attr_defer_add(args, XFS_ATTR_DEFER_SET);  in xfs_attr_set()
1141 		xfs_trans_set_sync(args->trans);  in xfs_attr_set()
1143 	xfs_trans_ichgtime(args->trans, dp, XFS_ICHGTIME_CHG);  in xfs_attr_set()
1148 	xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE);  in xfs_attr_set()
1149 	error = xfs_trans_commit(args->trans);  in xfs_attr_set()
1152 	args->trans = NULL;  in xfs_attr_set()
1156 	if (args->trans)  in xfs_attr_set()
1157 		xfs_trans_cancel(args->trans);  in xfs_attr_set()
1178 	struct xfs_da_args	*args)  in xfs_attr_shortform_addname()  argument
1182 	trace_xfs_attr_sf_addname(args);  in xfs_attr_shortform_addname()
1184 	if (xfs_attr_sf_findname(args)) {  in xfs_attr_shortform_addname()
1187 		ASSERT(args->op_flags & XFS_DA_OP_REPLACE);  in xfs_attr_shortform_addname()
1189 		error = xfs_attr_sf_removename(args);  in xfs_attr_shortform_addname()
1199 		args->op_flags &= ~XFS_DA_OP_REPLACE;  in xfs_attr_shortform_addname()
1201 		ASSERT(!(args->op_flags & XFS_DA_OP_REPLACE));  in xfs_attr_shortform_addname()
1204 	if (args->namelen >= XFS_ATTR_SF_ENTSIZE_MAX ||  in xfs_attr_shortform_addname()
1205 	    args->valuelen >= XFS_ATTR_SF_ENTSIZE_MAX)  in xfs_attr_shortform_addname()
1208 	newsize = xfs_attr_sf_totsize(args->dp);  in xfs_attr_shortform_addname()
1209 	newsize += xfs_attr_sf_entsize_byname(args->namelen, args->valuelen);  in xfs_attr_shortform_addname()
1211 	forkoff = xfs_attr_shortform_bytesfit(args->dp, newsize);  in xfs_attr_shortform_addname()
1215 	xfs_attr_shortform_add(args, forkoff);  in xfs_attr_shortform_addname()
1229 	struct xfs_da_args	*args,  in xfs_attr_leaf_hasname()  argument
1234 	error = xfs_attr3_leaf_read(args->trans, args->dp, args->owner, 0, bp);  in xfs_attr_leaf_hasname()
1238 	error = xfs_attr3_leaf_lookup_int(*bp, args);  in xfs_attr_leaf_hasname()
1240 		xfs_trans_brelse(args->trans, *bp);  in xfs_attr_leaf_hasname()
1253 	struct xfs_da_args	*args)  in xfs_attr_leaf_removename()  argument
1259 	trace_xfs_attr_leaf_removename(args);  in xfs_attr_leaf_removename()
1264 	dp = args->dp;  in xfs_attr_leaf_removename()
1266 	error = xfs_attr_leaf_hasname(args, &bp);  in xfs_attr_leaf_removename()
1268 		xfs_trans_brelse(args->trans, bp);  in xfs_attr_leaf_removename()
1269 		if (args->op_flags & XFS_DA_OP_RECOVERY)  in xfs_attr_leaf_removename()
1275 	xfs_attr3_leaf_remove(bp, args);  in xfs_attr_leaf_removename()
1282 		return xfs_attr3_leaf_to_shortform(bp, args, forkoff);  in xfs_attr_leaf_removename()
1297 xfs_attr_leaf_get(xfs_da_args_t *args)  in xfs_attr_leaf_get()  argument
1302 	trace_xfs_attr_leaf_get(args);  in xfs_attr_leaf_get()
1304 	error = xfs_attr_leaf_hasname(args, &bp);  in xfs_attr_leaf_get()
1307 		xfs_trans_brelse(args->trans, bp);  in xfs_attr_leaf_get()
1313 	error = xfs_attr3_leaf_getvalue(bp, args);  in xfs_attr_leaf_get()
1314 	xfs_trans_brelse(args->trans, bp);  in xfs_attr_leaf_get()
1321 	struct xfs_da_args	*args,  in xfs_attr_node_lookup()  argument
1344 	struct xfs_da_args	*args = attr->xattri_da_args;  in xfs_attr_node_addname_find_attr()  local
1352 	error = xfs_attr_node_lookup(args, attr->xattri_da_state);  in xfs_attr_node_addname_find_attr()
1355 		if (args->op_flags & XFS_DA_OP_REPLACE)  in xfs_attr_node_addname_find_attr()
1359 		if (!(args->op_flags & XFS_DA_OP_REPLACE))  in xfs_attr_node_addname_find_attr()
1363 		trace_xfs_attr_node_replace(args);  in xfs_attr_node_addname_find_attr()
1369 		xfs_attr_save_rmt_blk(args);  in xfs_attr_node_addname_find_attr()
1404 	trace_xfs_attr_node_addname(state->args);  in xfs_attr_node_try_addname()
1409 	if (!xfs_attr3_leaf_add(blk->bp, state->args)) {  in xfs_attr_node_try_addname()
1444 	struct xfs_da_args	*args,  in xfs_attr_node_removename()  argument
1455 	retval = xfs_attr3_leaf_remove(blk->bp, args);  in xfs_attr_node_removename()
1465 	struct xfs_da_args		*args = attr->xattri_da_args;  in xfs_attr_node_remove_attr()  local
1466 	struct xfs_da_state		*state = xfs_da_state_alloc(args);  in xfs_attr_node_remove_attr()
1475 	args->attr_filter |= XFS_ATTR_INCOMPLETE;  in xfs_attr_node_remove_attr()
1480 	error = xfs_attr_node_removename(args, state);  in xfs_attr_node_remove_attr()
1510 	struct xfs_da_args	*args)  in xfs_attr_node_get()  argument
1517 	trace_xfs_attr_node_get(args);  in xfs_attr_node_get()
1522 	state = xfs_da_state_alloc(args);  in xfs_attr_node_get()
1523 	error = xfs_attr_node_lookup(args, state);  in xfs_attr_node_get()
1531 	error = xfs_attr3_leaf_getvalue(blk->bp, args);  in xfs_attr_node_get()
1538 		xfs_trans_brelse(args->trans, state->path.blk[i].bp);  in xfs_attr_node_get()