131 	int error;  in gfs2_inode_lookup()  local
144 		error = gfs2_glock_get(sdp, no_addr, &gfs2_inode_glops, CREATE, &ip->i_gl);  in gfs2_inode_lookup()
145 		if (unlikely(error))  in gfs2_inode_lookup()
149 		error = gfs2_glock_get(sdp, no_addr, &gfs2_iopen_glops, CREATE, &io_gl);  in gfs2_inode_lookup()
150 		if (unlikely(error))  in gfs2_inode_lookup()
159 			error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE,  in gfs2_inode_lookup()
161 			if (error)  in gfs2_inode_lookup()
165 				error = gfs2_check_blk_type(sdp, no_addr,  in gfs2_inode_lookup()
167 				if (error)  in gfs2_inode_lookup()
174 		error = gfs2_glock_nq_init(io_gl, LM_ST_SHARED, GL_EXACT, &ip->i_iopen_gh);  in gfs2_inode_lookup()
175 		if (unlikely(error))  in gfs2_inode_lookup()
183 			error = gfs2_inode_refresh(GFS2_I(inode));  in gfs2_inode_lookup()
184 			if (error)  in gfs2_inode_lookup()
215 	return ERR_PTR(error);  in gfs2_inode_lookup()
223 	int error;  in gfs2_lookup_by_inum()  local
231 		error = -ESTALE;  in gfs2_lookup_by_inum()
235 		error = -EIO;  in gfs2_lookup_by_inum()
243 	return ERR_PTR(error);  in gfs2_lookup_by_inum()
286 	int error = 0;  in gfs2_lookupi()  local
301 		error = gfs2_glock_nq_init(dip->i_gl, LM_ST_SHARED, 0, &d_gh);  in gfs2_lookupi()
302 		if (error)  in gfs2_lookupi()
303 			return ERR_PTR(error);  in gfs2_lookupi()
307 		error = gfs2_permission(dir, MAY_EXEC);  in gfs2_lookupi()
308 		if (error)  in gfs2_lookupi()
314 		error = PTR_ERR(inode);  in gfs2_lookupi()
318 	if (error == -ENOENT)  in gfs2_lookupi()
320 	return inode ? inode : ERR_PTR(error);  in gfs2_lookupi()
335 	int error;  in create_ok()  local
337 	error = gfs2_permission(&dip->i_inode, MAY_WRITE | MAY_EXEC);  in create_ok()
338 	if (error)  in create_ok()
339 		return error;  in create_ok()
379 	int error;  in alloc_dinode()  local
381 	error = gfs2_quota_lock_check(ip, &ap);  in alloc_dinode()
382 	if (error)  in alloc_dinode()
385 	error = gfs2_inplace_reserve(ip, &ap);  in alloc_dinode()
386 	if (error)  in alloc_dinode()
389 	error = gfs2_trans_begin(sdp, (*dblocks * RES_RG_BIT) + RES_STATFS + RES_QUOTA, 0);  in alloc_dinode()
390 	if (error)  in alloc_dinode()
393 	error = gfs2_alloc_blocks(ip, &ip->i_no_addr, dblocks, 1, &ip->i_generation);  in alloc_dinode()
405 	return error;  in alloc_dinode()
521 	int error;  in link_dinode()  local
524 		error = gfs2_quota_lock_check(dip, &ap);  in link_dinode()
525 		if (error)  in link_dinode()
528 		error = gfs2_inplace_reserve(dip, &ap);  in link_dinode()
529 		if (error)  in link_dinode()
532 		error = gfs2_trans_begin(sdp, gfs2_trans_da_blks(dip, da, 2), 0);  in link_dinode()
533 		if (error)  in link_dinode()
536 		error = gfs2_trans_begin(sdp, RES_LEAF + 2 * RES_DINODE, 0);  in link_dinode()
537 		if (error)  in link_dinode()
541 	error = gfs2_dir_add(&dip->i_inode, name, ip, da);  in link_dinode()
548 	return error;  in link_dinode()
592 	int error, free_vfs_inode = 1;  in gfs2_create_inode()  local
600 	error = gfs2_rsqa_alloc(dip);  in gfs2_create_inode()
601 	if (error)  in gfs2_create_inode()
602 		return error;  in gfs2_create_inode()
604 	error = gfs2_rindex_update(sdp);  in gfs2_create_inode()
605 	if (error)  in gfs2_create_inode()
606 		return error;  in gfs2_create_inode()
608 	error = gfs2_glock_nq_init(dip->i_gl, LM_ST_EXCLUSIVE, 0, ghs);  in gfs2_create_inode()
609 	if (error)  in gfs2_create_inode()
613 	error = create_ok(dip, name, mode);  in gfs2_create_inode()
614 	if (error)  in gfs2_create_inode()
618 	error = PTR_ERR(inode);  in gfs2_create_inode()
626 		error = 0;  in gfs2_create_inode()
629 				error = finish_open(file, dentry, gfs2_open_common);  in gfs2_create_inode()
631 				error = finish_no_open(file, NULL);  in gfs2_create_inode()
634 		return error;  in gfs2_create_inode()
635 	} else if (error != -ENOENT) {  in gfs2_create_inode()
639 	error = gfs2_diradd_alloc_required(dir, name, &da);  in gfs2_create_inode()
640 	if (error < 0)  in gfs2_create_inode()
644 	error = -ENOMEM;  in gfs2_create_inode()
648 	error = posix_acl_create(dir, &mode, &default_acl, &acl);  in gfs2_create_inode()
649 	if (error)  in gfs2_create_inode()
653 	error = gfs2_rsqa_alloc(ip);  in gfs2_create_inode()
654 	if (error)  in gfs2_create_inode()
700 	error = alloc_dinode(ip, aflags, &blocks);  in gfs2_create_inode()
701 	if (error)  in gfs2_create_inode()
706 	error = gfs2_glock_get(sdp, ip->i_no_addr, &gfs2_inode_glops, CREATE, &ip->i_gl);  in gfs2_create_inode()
707 	if (error)  in gfs2_create_inode()
712 	error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, GL_SKIP, ghs + 1);  in gfs2_create_inode()
713 	if (error)  in gfs2_create_inode()
716 	error = gfs2_trans_begin(sdp, blocks, 0);  in gfs2_create_inode()
717 	if (error)  in gfs2_create_inode()
727 	error = gfs2_glock_get(sdp, ip->i_no_addr, &gfs2_iopen_glops, CREATE, &io_gl);  in gfs2_create_inode()
728 	if (error)  in gfs2_create_inode()
733 	error = gfs2_glock_nq_init(io_gl, LM_ST_SHARED, GL_EXACT, &ip->i_iopen_gh);  in gfs2_create_inode()
734 	if (error)  in gfs2_create_inode()
746 		error = __gfs2_set_acl(inode, default_acl, ACL_TYPE_DEFAULT);  in gfs2_create_inode()
750 		if (!error)  in gfs2_create_inode()
751 			error = __gfs2_set_acl(inode, acl, ACL_TYPE_ACCESS);  in gfs2_create_inode()
755 	if (error)  in gfs2_create_inode()
758 	error = security_inode_init_security(&ip->i_inode, &dip->i_inode, name,  in gfs2_create_inode()
760 	if (error)  in gfs2_create_inode()
763 	error = link_dinode(dip, name, ip, &da);  in gfs2_create_inode()
764 	if (error)  in gfs2_create_inode()
771 		error = finish_open(file, dentry, gfs2_open_common);  in gfs2_create_inode()
776 	return error;  in gfs2_create_inode()
810 	return error;  in gfs2_create_inode()
845 	int error;  in __gfs2_lookup()  local
856 	error = gfs2_glock_nq_init(gl, LM_ST_SHARED, LM_FLAG_ANY, &gh);  in __gfs2_lookup()
857 	if (error) {  in __gfs2_lookup()
859 		return ERR_PTR(error);  in __gfs2_lookup()
868 		error = finish_open(file, dentry, gfs2_open_common);  in __gfs2_lookup()
871 	if (error) {  in __gfs2_lookup()
873 		return ERR_PTR(error);  in __gfs2_lookup()
906 	int error;  in gfs2_link()  local
911 	error = gfs2_rsqa_alloc(dip);  in gfs2_link()
912 	if (error)  in gfs2_link()
913 		return error;  in gfs2_link()
918 	error = gfs2_glock_nq(ghs); /* parent */  in gfs2_link()
919 	if (error)  in gfs2_link()
922 	error = gfs2_glock_nq(ghs + 1); /* child */  in gfs2_link()
923 	if (error)  in gfs2_link()
926 	error = -ENOENT;  in gfs2_link()
930 	error = gfs2_permission(dir, MAY_WRITE | MAY_EXEC);  in gfs2_link()
931 	if (error)  in gfs2_link()
934 	error = gfs2_dir_check(dir, &dentry->d_name, NULL);  in gfs2_link()
935 	switch (error) {  in gfs2_link()
939 		error = -EEXIST;  in gfs2_link()
944 	error = -EINVAL;  in gfs2_link()
947 	error = -EFBIG;  in gfs2_link()
950 	error = -EPERM;  in gfs2_link()
953 	error = -EINVAL;  in gfs2_link()
956 	error = -EMLINK;  in gfs2_link()
960 	error = gfs2_diradd_alloc_required(dir, &dentry->d_name, &da);  in gfs2_link()
961 	if (error < 0)  in gfs2_link()
966 		error = gfs2_quota_lock_check(dip, &ap);  in gfs2_link()
967 		if (error)  in gfs2_link()
970 		error = gfs2_inplace_reserve(dip, &ap);  in gfs2_link()
971 		if (error)  in gfs2_link()
974 		error = gfs2_trans_begin(sdp, gfs2_trans_da_blks(dip, &da, 2), 0);  in gfs2_link()
975 		if (error)  in gfs2_link()
978 		error = gfs2_trans_begin(sdp, 2 * RES_DINODE + RES_LEAF, 0);  in gfs2_link()
979 		if (error)  in gfs2_link()
983 	error = gfs2_meta_inode_buffer(ip, &dibh);  in gfs2_link()
984 	if (error)  in gfs2_link()
987 	error = gfs2_dir_add(dir, &dentry->d_name, ip, &da);  in gfs2_link()
988 	if (error)  in gfs2_link()
1016 	return error;  in gfs2_link()
1033 	int error;  in gfs2_unlink_ok()  local
1046 	error = gfs2_permission(&dip->i_inode, MAY_WRITE | MAY_EXEC);  in gfs2_unlink_ok()
1047 	if (error)  in gfs2_unlink_ok()
1048 		return error;  in gfs2_unlink_ok()
1070 	int error;  in gfs2_unlink_inode()  local
1072 	error = gfs2_dir_del(dip, dentry);  in gfs2_unlink_inode()
1073 	if (error)  in gfs2_unlink_inode()
1074 		return error;  in gfs2_unlink_inode()
1108 	int error;  in gfs2_unlink()  local
1110 	error = gfs2_rindex_update(sdp);  in gfs2_unlink()
1111 	if (error)  in gfs2_unlink()
1112 		return error;  in gfs2_unlink()
1114 	error = -EROFS;  in gfs2_unlink()
1126 	error = gfs2_glock_nq(ghs); /* parent */  in gfs2_unlink()
1127 	if (error)  in gfs2_unlink()
1130 	error = gfs2_glock_nq(ghs + 1); /* child */  in gfs2_unlink()
1131 	if (error)  in gfs2_unlink()
1134 	error = -ENOENT;  in gfs2_unlink()
1139 		error = -ENOTEMPTY;  in gfs2_unlink()
1144 	error = gfs2_glock_nq(ghs + 2); /* rgrp */  in gfs2_unlink()
1145 	if (error)  in gfs2_unlink()
1148 	error = gfs2_unlink_ok(dip, &dentry->d_name, ip);  in gfs2_unlink()
1149 	if (error)  in gfs2_unlink()
1152 	error = gfs2_trans_begin(sdp, 2*RES_DINODE + 3*RES_LEAF + RES_RG_BIT, 0);  in gfs2_unlink()
1153 	if (error)  in gfs2_unlink()
1156 	error = gfs2_unlink_inode(dip, dentry);  in gfs2_unlink()
1170 	return error;  in gfs2_unlink()
1282 	int error = 0;  in gfs2_ok_to_move()  local
1288 			error = -EINVAL;  in gfs2_ok_to_move()
1292 			error = 0;  in gfs2_ok_to_move()
1298 			error = -ENOENT;  in gfs2_ok_to_move()
1302 			error = PTR_ERR(tmp);  in gfs2_ok_to_move()
1312 	return error;  in gfs2_ok_to_move()
1360 	int error;  in gfs2_rename()  local
1369 	error = gfs2_rindex_update(sdp);  in gfs2_rename()
1370 	if (error)  in gfs2_rename()
1371 		return error;  in gfs2_rename()
1373 	error = gfs2_rsqa_alloc(ndip);  in gfs2_rename()
1374 	if (error)  in gfs2_rename()
1375 		return error;  in gfs2_rename()
1378 		error = gfs2_glock_nq_init(sdp->sd_rename_gl, LM_ST_EXCLUSIVE,  in gfs2_rename()
1380 		if (error)  in gfs2_rename()
1386 			error = gfs2_ok_to_move(ip, ndip);  in gfs2_rename()
1387 			if (error)  in gfs2_rename()
1414 		error = gfs2_glock_nq(ghs + x);  in gfs2_rename()
1415 		if (error)  in gfs2_rename()
1419 	error = -ENOENT;  in gfs2_rename()
1425 	error = gfs2_unlink_ok(odip, &odentry->d_name, ip);  in gfs2_rename()
1426 	if (error)  in gfs2_rename()
1432 		error = gfs2_unlink_ok(ndip, &ndentry->d_name, nip);  in gfs2_rename()
1433 		if (error)  in gfs2_rename()
1437 			error = -EAGAIN;  in gfs2_rename()
1444 				error = -EIO;  in gfs2_rename()
1448 				error = -ENOTEMPTY;  in gfs2_rename()
1453 		error = gfs2_permission(ndir, MAY_WRITE | MAY_EXEC);  in gfs2_rename()
1454 		if (error)  in gfs2_rename()
1457 		error = gfs2_dir_check(ndir, &ndentry->d_name, NULL);  in gfs2_rename()
1458 		switch (error) {  in gfs2_rename()
1460 			error = 0;  in gfs2_rename()
1463 			error = -EEXIST;  in gfs2_rename()
1470 				error = -ENOENT;  in gfs2_rename()
1474 				error = -EFBIG;  in gfs2_rename()
1479 				error = -EMLINK;  in gfs2_rename()
1488 		error = gfs2_permission(d_inode(odentry), MAY_WRITE);  in gfs2_rename()
1489 		if (error)  in gfs2_rename()
1494 		error = gfs2_diradd_alloc_required(ndir, &ndentry->d_name, &da);  in gfs2_rename()
1495 		if (error)  in gfs2_rename()
1501 		error = gfs2_quota_lock_check(ndip, &ap);  in gfs2_rename()
1502 		if (error)  in gfs2_rename()
1505 		error = gfs2_inplace_reserve(ndip, &ap);  in gfs2_rename()
1506 		if (error)  in gfs2_rename()
1509 		error = gfs2_trans_begin(sdp, gfs2_trans_da_blks(ndip, &da, 4) +  in gfs2_rename()
1511 		if (error)  in gfs2_rename()
1514 		error = gfs2_trans_begin(sdp, 4 * RES_DINODE +  in gfs2_rename()
1516 		if (error)  in gfs2_rename()
1523 		error = gfs2_unlink_inode(ndip, ndentry);  in gfs2_rename()
1525 	error = update_moved_ino(ip, ndip, dir_rename);  in gfs2_rename()
1526 	if (error)  in gfs2_rename()
1529 	error = gfs2_dir_del(odip, odentry);  in gfs2_rename()
1530 	if (error)  in gfs2_rename()
1533 	error = gfs2_dir_add(ndir, &ndentry->d_name, ip, &da);  in gfs2_rename()
1534 	if (error)  in gfs2_rename()
1555 	return error;  in gfs2_rename()
1583 	int error;  in gfs2_exchange()  local
1586 	error = gfs2_rindex_update(sdp);  in gfs2_exchange()
1587 	if (error)  in gfs2_exchange()
1588 		return error;  in gfs2_exchange()
1591 		error = gfs2_glock_nq_init(sdp->sd_rename_gl, LM_ST_EXCLUSIVE,  in gfs2_exchange()
1593 		if (error)  in gfs2_exchange()
1598 			error = gfs2_ok_to_move(oip, ndip);  in gfs2_exchange()
1599 			if (error)  in gfs2_exchange()
1605 			error = gfs2_ok_to_move(nip, odip);  in gfs2_exchange()
1606 			if (error)  in gfs2_exchange()
1624 		error = gfs2_glock_nq(ghs + x);  in gfs2_exchange()
1625 		if (error)  in gfs2_exchange()
1629 	error = -ENOENT;  in gfs2_exchange()
1633 	error = gfs2_unlink_ok(odip, &odentry->d_name, oip);  in gfs2_exchange()
1634 	if (error)  in gfs2_exchange()
1636 	error = gfs2_unlink_ok(ndip, &ndentry->d_name, nip);  in gfs2_exchange()
1637 	if (error)  in gfs2_exchange()
1641 		error = gfs2_permission(odentry->d_inode, MAY_WRITE);  in gfs2_exchange()
1642 		if (error)  in gfs2_exchange()
1646 		error = gfs2_permission(ndentry->d_inode, MAY_WRITE);  in gfs2_exchange()
1647 		if (error)  in gfs2_exchange()
1650 	error = gfs2_trans_begin(sdp, 4 * RES_DINODE + 4 * RES_LEAF, 0);  in gfs2_exchange()
1651 	if (error)  in gfs2_exchange()
1654 	error = update_moved_ino(oip, ndip, S_ISDIR(old_mode));  in gfs2_exchange()
1655 	if (error)  in gfs2_exchange()
1658 	error = update_moved_ino(nip, odip, S_ISDIR(new_mode));  in gfs2_exchange()
1659 	if (error)  in gfs2_exchange()
1662 	error = gfs2_dir_mvino(ndip, &ndentry->d_name, oip,  in gfs2_exchange()
1664 	if (error)  in gfs2_exchange()
1667 	error = gfs2_dir_mvino(odip, &odentry->d_name, nip,  in gfs2_exchange()
1669 	if (error)  in gfs2_exchange()
1696 	return error;  in gfs2_exchange()
1734 	int error;  in gfs2_get_link()  local
1740 	error = gfs2_glock_nq(&i_gh);  in gfs2_get_link()
1741 	if (error) {  in gfs2_get_link()
1743 		return ERR_PTR(error);  in gfs2_get_link()
1753 	error = gfs2_meta_inode_buffer(ip, &dibh);  in gfs2_get_link()
1754 	if (error) {  in gfs2_get_link()
1755 		buf = ERR_PTR(error);  in gfs2_get_link()
1789 	int error;  in gfs2_permission()  local
1796 		error = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY, &i_gh);  in gfs2_permission()
1797 		if (error)  in gfs2_permission()
1798 			return error;  in gfs2_permission()
1802 		error = -EPERM;  in gfs2_permission()
1804 		error = generic_permission(inode, mask);  in gfs2_permission()
1808 	return error;  in gfs2_permission()
1828 	int error;  in gfs2_setattr_simple()  local
1833 	error = gfs2_trans_begin(GFS2_SB(inode), RES_DINODE, 0);  in gfs2_setattr_simple()
1834 	if (error)  in gfs2_setattr_simple()
1835 		return error;  in gfs2_setattr_simple()
1837 	error = __gfs2_setattr_simple(inode, attr);  in gfs2_setattr_simple()
1839 	return error;  in gfs2_setattr_simple()
1848 	int error;  in setattr_chown()  local
1861 	error = gfs2_rsqa_alloc(ip);  in setattr_chown()
1862 	if (error)  in setattr_chown()
1865 	error = gfs2_rindex_update(sdp);  in setattr_chown()
1866 	if (error)  in setattr_chown()
1869 	error = gfs2_quota_lock(ip, nuid, ngid);  in setattr_chown()
1870 	if (error)  in setattr_chown()
1877 		error = gfs2_quota_check(ip, nuid, ngid, &ap);  in setattr_chown()
1878 		if (error)  in setattr_chown()
1882 	error = gfs2_trans_begin(sdp, RES_DINODE + 2 * RES_QUOTA, 0);  in setattr_chown()
1883 	if (error)  in setattr_chown()
1886 	error = gfs2_setattr_simple(inode, attr);  in setattr_chown()
1887 	if (error)  in setattr_chown()
1901 	return error;  in setattr_chown()
1920 	int error;  in gfs2_setattr()  local
1922 	error = gfs2_rsqa_alloc(ip);  in gfs2_setattr()
1923 	if (error)  in gfs2_setattr()
1924 		return error;  in gfs2_setattr()
1926 	error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &i_gh);  in gfs2_setattr()
1927 	if (error)  in gfs2_setattr()
1928 		return error;  in gfs2_setattr()
1930 	error = -EPERM;  in gfs2_setattr()
1934 	error = setattr_prepare(dentry, attr);  in gfs2_setattr()
1935 	if (error)  in gfs2_setattr()
1939 		error = gfs2_setattr_size(inode, attr->ia_size);  in gfs2_setattr()
1941 		error = setattr_chown(inode, attr);  in gfs2_setattr()
1943 		error = gfs2_setattr_simple(inode, attr);  in gfs2_setattr()
1944 		if (!error && attr->ia_valid & ATTR_MODE)  in gfs2_setattr()
1945 			error = posix_acl_chmod(inode, inode->i_mode);  in gfs2_setattr()
1949 	if (!error)  in gfs2_setattr()
1952 	return error;  in gfs2_setattr()
1978 	int error;  in gfs2_getattr()  local
1982 		error = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY, &gh);  in gfs2_getattr()
1983 		if (error)  in gfs2_getattr()
1984 			return error;  in gfs2_getattr()