41 xfs_fsb_to_db(struct xfs_inode *ip, xfs_fsblock_t fsb)  in xfs_fsb_to_db()  argument
43 	if (XFS_IS_REALTIME_INODE(ip))  in xfs_fsb_to_db()
44 		return XFS_FSB_TO_BB(ip->i_mount, fsb);  in xfs_fsb_to_db()
45 	return XFS_FSB_TO_DADDR(ip->i_mount, fsb);  in xfs_fsb_to_db()
57 	struct xfs_inode	*ip,  in xfs_zero_extent()  argument
61 	struct xfs_mount	*mp = ip->i_mount;  in xfs_zero_extent()
62 	struct xfs_buftarg	*target = xfs_inode_buftarg(ip);  in xfs_zero_extent()
63 	xfs_daddr_t		sector = xfs_fsb_to_db(ip, start_fsb);  in xfs_zero_extent()
106 	struct xfs_inode	*ip,  in xfs_bmap_count_blocks()  argument
111 	struct xfs_mount	*mp = ip->i_mount;  in xfs_bmap_count_blocks()
112 	struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_bmap_count_blocks()
125 		error = xfs_iread_extents(tp, ip, whichfork);  in xfs_bmap_count_blocks()
129 		cur = xfs_bmbt_init_cursor(mp, tp, ip, whichfork);  in xfs_bmap_count_blocks()
153 	struct xfs_inode	*ip,  in xfs_getbmap_report_one()  argument
163 	error = xfs_reflink_trim_around_shared(ip, got, &shared);  in xfs_getbmap_report_one()
181 		p->bmv_block = xfs_fsb_to_db(ip, got->br_startblock);  in xfs_getbmap_report_one()
191 	p->bmv_offset = XFS_FSB_TO_BB(ip->i_mount, got->br_startoff);  in xfs_getbmap_report_one()
192 	p->bmv_length = XFS_FSB_TO_BB(ip->i_mount, got->br_blockcount);  in xfs_getbmap_report_one()
202 	struct xfs_inode	*ip,  in xfs_getbmap_report_hole()  argument
215 	p->bmv_offset = XFS_FSB_TO_BB(ip->i_mount, bno);  in xfs_getbmap_report_hole()
216 	p->bmv_length = XFS_FSB_TO_BB(ip->i_mount, end - bno);  in xfs_getbmap_report_hole()
257 	struct xfs_inode	*ip,  in xfs_getbmap()  argument
261 	struct xfs_mount	*mp = ip->i_mount;  in xfs_getbmap()
294 	xfs_ilock(ip, XFS_IOLOCK_SHARED);  in xfs_getbmap()
297 		lock = xfs_ilock_attr_map_shared(ip);  in xfs_getbmap()
298 		if (!xfs_inode_has_attr_fork(ip))  in xfs_getbmap()
305 		xfs_ilock(ip, lock);  in xfs_getbmap()
308 		if (!xfs_ifork_ptr(ip, whichfork))  in xfs_getbmap()
311 		if (xfs_get_cowextsz_hint(ip))  in xfs_getbmap()
314 			max_len = XFS_ISIZE(ip);  in xfs_getbmap()
318 		    (ip->i_delayed_blks || XFS_ISIZE(ip) > ip->i_disk_size)) {  in xfs_getbmap()
319 			error = filemap_write_and_wait(VFS_I(ip)->i_mapping);  in xfs_getbmap()
333 		if (xfs_get_extsz_hint(ip) ||  in xfs_getbmap()
334 		    (ip->i_diflags & XFS_DIFLAG_PREALLOC))  in xfs_getbmap()
337 			max_len = XFS_ISIZE(ip);  in xfs_getbmap()
339 		lock = xfs_ilock_data_map_shared(ip);  in xfs_getbmap()
343 	ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_getbmap()
367 	error = xfs_iread_extents(NULL, ip, whichfork);  in xfs_getbmap()
371 	if (!xfs_iext_lookup_extent(ip, ifp, bno, &icur, &got)) {  in xfs_getbmap()
377 			xfs_getbmap_report_hole(ip, bmv, out, bmv_end, bno,  in xfs_getbmap()
378 					XFS_B_TO_FSB(mp, XFS_ISIZE(ip)));  in xfs_getbmap()
390 			xfs_getbmap_report_hole(ip, bmv, out, bmv_end, bno,  in xfs_getbmap()
404 			error = xfs_getbmap_report_one(ip, bmv, out, bmv_end,  in xfs_getbmap()
411 			xfs_fileoff_t	end = XFS_B_TO_FSB(mp, XFS_ISIZE(ip));  in xfs_getbmap()
419 				xfs_getbmap_report_hole(ip, bmv, out, bmv_end,  in xfs_getbmap()
430 	xfs_iunlock(ip, lock);  in xfs_getbmap()
432 	xfs_iunlock(ip, XFS_IOLOCK_SHARED);  in xfs_getbmap()
444 	struct xfs_inode	*ip,  in xfs_bmap_punch_delalloc_range()  argument
449 	struct xfs_mount	*mp = ip->i_mount;  in xfs_bmap_punch_delalloc_range()
450 	struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_bmap_punch_delalloc_range()
458 	xfs_ilock(ip, XFS_ILOCK_EXCL);  in xfs_bmap_punch_delalloc_range()
459 	if (!xfs_iext_lookup_extent_before(ip, ifp, &end_fsb, &icur, &got))  in xfs_bmap_punch_delalloc_range()
478 		xfs_bmap_del_extent_delay(ip, whichfork, &icur, &got, &del);  in xfs_bmap_punch_delalloc_range()
484 		xfs_inode_clear_cowblocks_tag(ip);  in xfs_bmap_punch_delalloc_range()
487 	xfs_iunlock(ip, XFS_ILOCK_EXCL);  in xfs_bmap_punch_delalloc_range()
496 	struct xfs_inode	*ip)  in xfs_can_free_eofblocks()  argument
498 	struct xfs_mount	*mp = ip->i_mount;  in xfs_can_free_eofblocks()
509 	if (!(VFS_I(ip)->i_state & I_FREEING))  in xfs_can_free_eofblocks()
510 		xfs_assert_ilocked(ip, XFS_IOLOCK_EXCL);  in xfs_can_free_eofblocks()
513 	if (!S_ISREG(VFS_I(ip)->i_mode))  in xfs_can_free_eofblocks()
520 	if (VFS_I(ip)->i_size == 0 &&  in xfs_can_free_eofblocks()
521 	    VFS_I(ip)->i_mapping->nrpages == 0 &&  in xfs_can_free_eofblocks()
522 	    ip->i_delayed_blks == 0)  in xfs_can_free_eofblocks()
526 	if (xfs_need_iread_extents(&ip->i_df))  in xfs_can_free_eofblocks()
533 	if ((ip->i_diflags & XFS_DIFLAG_PREALLOC) && !ip->i_delayed_blks)  in xfs_can_free_eofblocks()
541 	end_fsb = XFS_B_TO_FSB(mp, (xfs_ufsize_t)XFS_ISIZE(ip));  in xfs_can_free_eofblocks()
542 	if (xfs_inode_has_bigrtalloc(ip))  in xfs_can_free_eofblocks()
551 	xfs_ilock(ip, XFS_ILOCK_SHARED);  in xfs_can_free_eofblocks()
552 	if (xfs_iext_lookup_extent(ip, &ip->i_df, end_fsb, &icur, &imap))  in xfs_can_free_eofblocks()
554 	xfs_iunlock(ip, XFS_ILOCK_SHARED);  in xfs_can_free_eofblocks()
565 	struct xfs_inode	*ip)  in xfs_free_eofblocks()  argument
568 	struct xfs_mount	*mp = ip->i_mount;  in xfs_free_eofblocks()
572 	error = xfs_qm_dqattach(ip);  in xfs_free_eofblocks()
577 	inode_dio_wait(VFS_I(ip));  in xfs_free_eofblocks()
585 	if (ip->i_diflags & (XFS_DIFLAG_PREALLOC | XFS_DIFLAG_APPEND)) {  in xfs_free_eofblocks()
586 		if (ip->i_delayed_blks) {  in xfs_free_eofblocks()
587 			xfs_bmap_punch_delalloc_range(ip, XFS_DATA_FORK,  in xfs_free_eofblocks()
588 				round_up(XFS_ISIZE(ip), mp->m_sb.sb_blocksize),  in xfs_free_eofblocks()
591 		xfs_inode_clear_eofblocks_tag(ip);  in xfs_free_eofblocks()
601 	xfs_ilock(ip, XFS_ILOCK_EXCL);  in xfs_free_eofblocks()
602 	xfs_trans_ijoin(tp, ip, 0);  in xfs_free_eofblocks()
610 	error = xfs_itruncate_extents_flags(&tp, ip, XFS_DATA_FORK,  in xfs_free_eofblocks()
611 				XFS_ISIZE(ip), XFS_BMAPI_NODISCARD);  in xfs_free_eofblocks()
619 	xfs_inode_clear_eofblocks_tag(ip);  in xfs_free_eofblocks()
629 	xfs_iunlock(ip, XFS_ILOCK_EXCL);  in xfs_free_eofblocks()
635 	struct xfs_inode	*ip,  in xfs_alloc_file_space()  argument
639 	xfs_mount_t		*mp = ip->i_mount;  in xfs_alloc_file_space()
650 	if (xfs_is_always_cow_inode(ip))  in xfs_alloc_file_space()
653 	trace_xfs_alloc_file_space(ip);  in xfs_alloc_file_space()
658 	error = xfs_qm_dqattach(ip);  in xfs_alloc_file_space()
665 	rt = XFS_IS_REALTIME_INODE(ip);  in xfs_alloc_file_space()
666 	extsz = xfs_get_extsz_hint(ip);  in xfs_alloc_file_space()
719 		error = xfs_trans_alloc_inode(ip, &M_RES(mp)->tr_write,  in xfs_alloc_file_space()
724 		error = xfs_iext_count_extend(tp, ip, XFS_DATA_FORK,  in xfs_alloc_file_space()
738 		error = xfs_bmapi_write(tp, ip, startoffset_fsb,  in xfs_alloc_file_space()
750 		ip->i_diflags |= XFS_DIFLAG_PREALLOC;  in xfs_alloc_file_space()
751 		xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);  in xfs_alloc_file_space()
754 		xfs_iunlock(ip, XFS_ILOCK_EXCL);  in xfs_alloc_file_space()
761 	xfs_iunlock(ip, XFS_ILOCK_EXCL);  in xfs_alloc_file_space()
767 	struct xfs_inode	*ip,  in xfs_unmap_extent()  argument
772 	struct xfs_mount	*mp = ip->i_mount;  in xfs_unmap_extent()
777 	error = xfs_trans_alloc_inode(ip, &M_RES(mp)->tr_write, resblks, 0,  in xfs_unmap_extent()
782 	error = xfs_iext_count_extend(tp, ip, XFS_DATA_FORK,  in xfs_unmap_extent()
787 	error = xfs_bunmapi(tp, ip, startoffset_fsb, len_fsb, 0, 2, done);  in xfs_unmap_extent()
793 	xfs_iunlock(ip, XFS_ILOCK_EXCL);  in xfs_unmap_extent()
804 	struct xfs_inode	*ip,  in xfs_flush_unmap_range()  argument
808 	struct inode		*inode = VFS_I(ip);  in xfs_flush_unmap_range()
817 	rounding = max_t(xfs_off_t, xfs_inode_alloc_unitsize(ip), PAGE_SIZE);  in xfs_flush_unmap_range()
830 	struct xfs_inode	*ip,  in xfs_free_file_space()  argument
834 	struct xfs_mount	*mp = ip->i_mount;  in xfs_free_file_space()
839 	trace_xfs_free_file_space(ip);  in xfs_free_file_space()
841 	error = xfs_qm_dqattach(ip);  in xfs_free_file_space()
852 	error = xfs_flush_unmap_range(ip, offset, len);  in xfs_free_file_space()
860 	if (xfs_inode_has_bigrtalloc(ip)) {  in xfs_free_file_space()
870 			error = xfs_unmap_extent(ip, startoffset_fsb,  in xfs_free_file_space()
883 	if (offset >= XFS_ISIZE(ip))  in xfs_free_file_space()
885 	if (offset + len > XFS_ISIZE(ip))  in xfs_free_file_space()
886 		len = XFS_ISIZE(ip) - offset;  in xfs_free_file_space()
887 	error = xfs_zero_range(ip, offset, len, NULL);  in xfs_free_file_space()
897 	if (offset + len >= XFS_ISIZE(ip) && offset_in_page(offset + len) > 0) {  in xfs_free_file_space()
898 		error = filemap_write_and_wait_range(VFS_I(ip)->i_mapping,  in xfs_free_file_space()
907 	struct xfs_inode	*ip,  in xfs_prepare_shift()  argument
917 	if (xfs_can_free_eofblocks(ip)) {  in xfs_prepare_shift()
918 		error = xfs_free_eofblocks(ip);  in xfs_prepare_shift()
931 	rounding = xfs_inode_alloc_unitsize(ip);  in xfs_prepare_shift()
940 	error = xfs_flush_unmap_range(ip, offset, XFS_ISIZE(ip));  in xfs_prepare_shift()
949 	if (xfs_inode_has_cow_data(ip)) {  in xfs_prepare_shift()
950 		error = xfs_reflink_cancel_cow_range(ip, offset, NULLFILEOFF,  in xfs_prepare_shift()
973 	struct xfs_inode	*ip,  in xfs_collapse_file_space()  argument
977 	struct xfs_mount	*mp = ip->i_mount;  in xfs_collapse_file_space()
984 	xfs_assert_ilocked(ip, XFS_IOLOCK_EXCL | XFS_MMAPLOCK_EXCL);  in xfs_collapse_file_space()
986 	trace_xfs_collapse_file_space(ip);  in xfs_collapse_file_space()
988 	error = xfs_free_file_space(ip, offset, len);  in xfs_collapse_file_space()
992 	error = xfs_prepare_shift(ip, offset);  in xfs_collapse_file_space()
1000 	xfs_ilock(ip, XFS_ILOCK_EXCL);  in xfs_collapse_file_space()
1001 	xfs_trans_ijoin(tp, ip, 0);  in xfs_collapse_file_space()
1004 		error = xfs_bmap_collapse_extents(tp, ip, &next_fsb, shift_fsb,  in xfs_collapse_file_space()
1018 	xfs_iunlock(ip, XFS_ILOCK_EXCL);  in xfs_collapse_file_space()
1023 	xfs_iunlock(ip, XFS_ILOCK_EXCL);  in xfs_collapse_file_space()
1041 	struct xfs_inode	*ip,  in xfs_insert_file_space()  argument
1045 	struct xfs_mount	*mp = ip->i_mount;  in xfs_insert_file_space()
1053 	xfs_assert_ilocked(ip, XFS_IOLOCK_EXCL | XFS_MMAPLOCK_EXCL);  in xfs_insert_file_space()
1055 	trace_xfs_insert_file_space(ip);  in xfs_insert_file_space()
1057 	error = xfs_bmap_can_insert_extents(ip, stop_fsb, shift_fsb);  in xfs_insert_file_space()
1061 	error = xfs_prepare_shift(ip, offset);  in xfs_insert_file_space()
1070 	xfs_ilock(ip, XFS_ILOCK_EXCL);  in xfs_insert_file_space()
1071 	xfs_trans_ijoin(tp, ip, 0);  in xfs_insert_file_space()
1073 	error = xfs_iext_count_extend(tp, ip, XFS_DATA_FORK,  in xfs_insert_file_space()
1083 	error = xfs_bmap_split_extent(tp, ip, stop_fsb);  in xfs_insert_file_space()
1092 		error = xfs_bmap_insert_extents(tp, ip, &next_fsb, shift_fsb,  in xfs_insert_file_space()
1099 	xfs_iunlock(ip, XFS_ILOCK_EXCL);  in xfs_insert_file_space()
1104 	xfs_iunlock(ip, XFS_ILOCK_EXCL);  in xfs_insert_file_space()
1130 	struct xfs_inode	*ip,	/* target inode */  in xfs_swap_extents_check_format()  argument
1133 	struct xfs_ifork	*ifp = &ip->i_df;  in xfs_swap_extents_check_format()
1137 	if (XFS_IS_QUOTA_ON(ip->i_mount) &&  in xfs_swap_extents_check_format()
1138 	    (!uid_eq(VFS_I(ip)->i_uid, VFS_I(tip)->i_uid) ||  in xfs_swap_extents_check_format()
1139 	     !gid_eq(VFS_I(ip)->i_gid, VFS_I(tip)->i_gid) ||  in xfs_swap_extents_check_format()
1140 	     ip->i_projid != tip->i_projid))  in xfs_swap_extents_check_format()
1159 	if (xfs_has_rmapbt(ip->i_mount))  in xfs_swap_extents_check_format()
1173 	    tifp->if_nextents > XFS_IFORK_MAXEXT(ip, XFS_DATA_FORK))  in xfs_swap_extents_check_format()
1191 		if (xfs_inode_has_attr_fork(ip) &&  in xfs_swap_extents_check_format()
1192 		    xfs_bmap_bmdr_space(tifp->if_broot) > xfs_inode_fork_boff(ip))  in xfs_swap_extents_check_format()
1194 		if (tifp->if_nextents <= XFS_IFORK_MAXEXT(ip, XFS_DATA_FORK))  in xfs_swap_extents_check_format()
1201 		    xfs_bmap_bmdr_space(ip->i_df.if_broot) > xfs_inode_fork_boff(tip))  in xfs_swap_extents_check_format()
1212 	struct xfs_inode	*ip)  in xfs_swap_extent_flush()  argument
1216 	error = filemap_write_and_wait(VFS_I(ip)->i_mapping);  in xfs_swap_extent_flush()
1219 	truncate_pagecache_range(VFS_I(ip), 0, -1);  in xfs_swap_extent_flush()
1222 	if (VFS_I(ip)->i_mapping->nrpages)  in xfs_swap_extent_flush()
1233 	struct xfs_inode		*ip,  in xfs_swap_extent_rmap()  argument
1256 	if (ip->i_diflags2 & XFS_DIFLAG2_REFLINK)  in xfs_swap_extent_rmap()
1260 	end_fsb = XFS_B_TO_FSB(ip->i_mount, i_size_read(VFS_I(ip)));  in xfs_swap_extent_rmap()
1283 			error = xfs_bmapi_read(ip, tirec.br_startoff,  in xfs_swap_extent_rmap()
1290 			trace_xfs_swap_extent_rmap_remap_piece(ip, &irec);  in xfs_swap_extent_rmap()
1300 				error = xfs_iext_count_extend(tp, ip,  in xfs_swap_extent_rmap()
1319 			xfs_bmap_unmap_extent(tp, ip, XFS_DATA_FORK, &irec);  in xfs_swap_extent_rmap()
1322 			xfs_bmap_map_extent(tp, ip, XFS_DATA_FORK, &uirec);  in xfs_swap_extent_rmap()
1348 	trace_xfs_swap_extent_rmap_error(ip, error, _RET_IP_);  in xfs_swap_extent_rmap()
1357 	struct xfs_inode	*ip,  in xfs_swap_extent_forks()  argument
1371 	if (xfs_inode_has_attr_fork(ip) && ip->i_af.if_nextents > 0 &&  in xfs_swap_extent_forks()
1372 	    ip->i_af.if_format != XFS_DINODE_FMT_LOCAL) {  in xfs_swap_extent_forks()
1373 		error = xfs_bmap_count_blocks(tp, ip, XFS_ATTR_FORK, &junk,  in xfs_swap_extent_forks()
1393 	if (xfs_has_v3inodes(ip->i_mount)) {  in xfs_swap_extent_forks()
1394 		if (ip->i_df.if_format == XFS_DINODE_FMT_BTREE)  in xfs_swap_extent_forks()
1403 	swap(ip->i_df, tip->i_df);  in xfs_swap_extent_forks()
1408 	tmp = (uint64_t)ip->i_nblocks;  in xfs_swap_extent_forks()
1409 	ip->i_nblocks = tip->i_nblocks - taforkblks + aforkblks;  in xfs_swap_extent_forks()
1422 	tip->i_delayed_blks = ip->i_delayed_blks;  in xfs_swap_extent_forks()
1423 	ip->i_delayed_blks = 0;  in xfs_swap_extent_forks()
1425 	switch (ip->i_df.if_format) {  in xfs_swap_extent_forks()
1430 		ASSERT(!xfs_has_v3inodes(ip->i_mount) ||  in xfs_swap_extent_forks()
1442 		ASSERT(!xfs_has_v3inodes(ip->i_mount) ||  in xfs_swap_extent_forks()
1461 	struct xfs_inode	*ip,  in xfs_swap_change_owner()  argument
1468 		error = xfs_bmbt_change_owner(tp, ip, XFS_DATA_FORK, ip->i_ino,  in xfs_swap_change_owner()
1483 		xfs_trans_ijoin(tp, ip, 0);  in xfs_swap_change_owner()
1485 		xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);  in xfs_swap_change_owner()
1494 	struct xfs_inode	*ip,	/* target inode */  in xfs_swap_extents()  argument
1498 	struct xfs_mount	*mp = ip->i_mount;  in xfs_swap_extents()
1514 	lock_two_nondirectories(VFS_I(ip), VFS_I(tip));  in xfs_swap_extents()
1515 	filemap_invalidate_lock_two(VFS_I(ip)->i_mapping,  in xfs_swap_extents()
1519 	if ((VFS_I(ip)->i_mode & S_IFMT) != (VFS_I(tip)->i_mode & S_IFMT)) {  in xfs_swap_extents()
1525 	if (XFS_IS_REALTIME_INODE(ip) != XFS_IS_REALTIME_INODE(tip)) {  in xfs_swap_extents()
1530 	error = xfs_qm_dqattach(ip);  in xfs_swap_extents()
1538 	error = xfs_swap_extent_flush(ip);  in xfs_swap_extents()
1558 		uint32_t	ipnext = ip->i_df.if_nextents;  in xfs_swap_extents()
1587 	xfs_lock_two_inodes(ip, XFS_ILOCK_EXCL, tip, XFS_ILOCK_EXCL);  in xfs_swap_extents()
1588 	xfs_trans_ijoin(tp, ip, 0);  in xfs_swap_extents()
1594 	    sxp->sx_length != ip->i_disk_size ||  in xfs_swap_extents()
1600 	trace_xfs_swap_extent_before(ip, 0);  in xfs_swap_extents()
1604 	error = xfs_swap_extents_check_format(ip, tip);  in xfs_swap_extents()
1608 				__func__, ip->i_ino);  in xfs_swap_extents()
1619 	ctime = inode_get_ctime(VFS_I(ip));  in xfs_swap_extents()
1620 	mtime = inode_get_mtime(VFS_I(ip));  in xfs_swap_extents()
1640 		error = xfs_swap_extent_rmap(&tp, ip, tip);  in xfs_swap_extents()
1642 		error = xfs_swap_extent_forks(tp, ip, tip, &src_log_flags,  in xfs_swap_extents()
1648 	if ((ip->i_diflags2 & XFS_DIFLAG2_REFLINK) ^  in xfs_swap_extents()
1650 		f = ip->i_diflags2 & XFS_DIFLAG2_REFLINK;  in xfs_swap_extents()
1651 		ip->i_diflags2 &= ~XFS_DIFLAG2_REFLINK;  in xfs_swap_extents()
1652 		ip->i_diflags2 |= tip->i_diflags2 & XFS_DIFLAG2_REFLINK;  in xfs_swap_extents()
1659 		ASSERT(!ip->i_cowfp ||  in xfs_swap_extents()
1660 		       ip->i_cowfp->if_format == XFS_DINODE_FMT_EXTENTS);  in xfs_swap_extents()
1664 		swap(ip->i_cowfp, tip->i_cowfp);  in xfs_swap_extents()
1666 		if (ip->i_cowfp && ip->i_cowfp->if_bytes)  in xfs_swap_extents()
1667 			xfs_inode_set_cowblocks_tag(ip);  in xfs_swap_extents()
1669 			xfs_inode_clear_cowblocks_tag(ip);  in xfs_swap_extents()
1676 	xfs_trans_log_inode(tp, ip,  src_log_flags);  in xfs_swap_extents()
1686 		error = xfs_swap_change_owner(&tp, ip, tip);  in xfs_swap_extents()
1691 		error = xfs_swap_change_owner(&tp, tip, ip);  in xfs_swap_extents()
1705 	trace_xfs_swap_extent_after(ip, 0);  in xfs_swap_extents()
1709 	xfs_iunlock(ip, XFS_ILOCK_EXCL);  in xfs_swap_extents()
1712 	filemap_invalidate_unlock_two(VFS_I(ip)->i_mapping,  in xfs_swap_extents()
1714 	unlock_two_nondirectories(VFS_I(ip), VFS_I(tip));  in xfs_swap_extents()