169 	struct xfs_inode	*ip,  in xfs_reflink_trim_around_shared()  argument
173 	struct xfs_mount	*mp = ip->i_mount;  in xfs_reflink_trim_around_shared()
182 	if (!xfs_is_cow_inode(ip) || !xfs_bmap_is_written_extent(irec)) {  in xfs_reflink_trim_around_shared()
187 	trace_xfs_reflink_trim_around_shared(ip, irec);  in xfs_reflink_trim_around_shared()
229 	struct xfs_inode	*ip,  in xfs_bmap_trim_cow()  argument
234 	if (xfs_is_always_cow_inode(ip) &&  in xfs_bmap_trim_cow()
241 	return xfs_reflink_trim_around_shared(ip, imap, shared);  in xfs_bmap_trim_cow()
246 	struct xfs_inode	*ip,  in xfs_reflink_convert_cow_locked()  argument
256 	if (!xfs_iext_lookup_extent(ip, ip->i_cowfp, offset_fsb, &icur, &got))  in xfs_reflink_convert_cow_locked()
272 		error = xfs_bmap_add_extent_unwritten_real(NULL, ip,  in xfs_reflink_convert_cow_locked()
277 	} while (xfs_iext_next_extent(ip->i_cowfp, &icur, &got));  in xfs_reflink_convert_cow_locked()
285 	struct xfs_inode	*ip,  in xfs_reflink_convert_cow()  argument
289 	struct xfs_mount	*mp = ip->i_mount;  in xfs_reflink_convert_cow()
297 	xfs_ilock(ip, XFS_ILOCK_EXCL);  in xfs_reflink_convert_cow()
298 	error = xfs_reflink_convert_cow_locked(ip, offset_fsb, count_fsb);  in xfs_reflink_convert_cow()
299 	xfs_iunlock(ip, XFS_ILOCK_EXCL);  in xfs_reflink_convert_cow()
310 	struct xfs_inode	*ip,  in xfs_find_trim_cow_extent()  argument
326 	if (!xfs_iext_lookup_extent(ip, ip->i_cowfp, offset_fsb, &icur, cmap))  in xfs_find_trim_cow_extent()
331 		return xfs_bmap_trim_cow(ip, imap, shared);  in xfs_find_trim_cow_extent()
348 	struct xfs_inode	*ip,  in xfs_reflink_convert_unwritten()  argument
370 	trace_xfs_reflink_convert_cow(ip, cmap);  in xfs_reflink_convert_unwritten()
372 	error = xfs_reflink_convert_cow_locked(ip, offset_fsb, count_fsb);  in xfs_reflink_convert_unwritten()
381 	struct xfs_inode	*ip,  in xfs_reflink_fill_cow_hole()  argument
388 	struct xfs_mount	*mp = ip->i_mount;  in xfs_reflink_fill_cow_hole()
397 		imap->br_blockcount, xfs_get_cowextsz_hint(ip));  in xfs_reflink_fill_cow_hole()
400 	xfs_iunlock(ip, *lockmode);  in xfs_reflink_fill_cow_hole()
403 	error = xfs_trans_alloc_inode(ip, &M_RES(mp)->tr_write, resblks, 0,  in xfs_reflink_fill_cow_hole()
410 	error = xfs_find_trim_cow_extent(ip, imap, cmap, shared, &found);  in xfs_reflink_fill_cow_hole()
421 	error = xfs_bmapi_write(tp, ip, imap->br_startoff, imap->br_blockcount,  in xfs_reflink_fill_cow_hole()
427 	xfs_inode_set_cowblocks_tag(ip);  in xfs_reflink_fill_cow_hole()
440 	return xfs_reflink_convert_unwritten(ip, imap, cmap, convert_now);  in xfs_reflink_fill_cow_hole()
449 	struct xfs_inode	*ip,  in xfs_reflink_fill_delalloc()  argument
456 	struct xfs_mount	*mp = ip->i_mount;  in xfs_reflink_fill_delalloc()
463 		xfs_iunlock(ip, *lockmode);  in xfs_reflink_fill_delalloc()
466 		error = xfs_trans_alloc_inode(ip, &M_RES(mp)->tr_write, 0, 0,  in xfs_reflink_fill_delalloc()
473 		error = xfs_find_trim_cow_extent(ip, imap, cmap, shared,  in xfs_reflink_fill_delalloc()
490 		error = xfs_bmapi_write(tp, ip, cmap->br_startoff,  in xfs_reflink_fill_delalloc()
497 		xfs_inode_set_cowblocks_tag(ip);  in xfs_reflink_fill_delalloc()
510 	return xfs_reflink_convert_unwritten(ip, imap, cmap, convert_now);  in xfs_reflink_fill_delalloc()
520 	struct xfs_inode	*ip,  in xfs_reflink_allocate_cow()  argument
530 	ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));  in xfs_reflink_allocate_cow()
531 	if (!ip->i_cowfp) {  in xfs_reflink_allocate_cow()
532 		ASSERT(!xfs_is_reflink_inode(ip));  in xfs_reflink_allocate_cow()
533 		xfs_ifork_init_cow(ip);  in xfs_reflink_allocate_cow()
536 	error = xfs_find_trim_cow_extent(ip, imap, cmap, shared, &found);  in xfs_reflink_allocate_cow()
542 		return xfs_reflink_convert_unwritten(ip, imap, cmap,  in xfs_reflink_allocate_cow()
550 		return xfs_reflink_fill_cow_hole(ip, imap, cmap, shared,  in xfs_reflink_allocate_cow()
559 		return xfs_reflink_fill_delalloc(ip, imap, cmap, shared,  in xfs_reflink_allocate_cow()
578 	struct xfs_inode		*ip,  in xfs_reflink_cancel_cow_blocks()  argument
584 	struct xfs_ifork		*ifp = xfs_ifork_ptr(ip, XFS_COW_FORK);  in xfs_reflink_cancel_cow_blocks()
589 	if (!xfs_inode_has_cow_data(ip))  in xfs_reflink_cancel_cow_blocks()
591 	if (!xfs_iext_lookup_extent_before(ip, ifp, &end_fsb, &icur, &got))  in xfs_reflink_cancel_cow_blocks()
605 		trace_xfs_reflink_cancel_cow(ip, &del);  in xfs_reflink_cancel_cow_blocks()
608 			error = xfs_bmap_del_extent_delay(ip, XFS_COW_FORK,  in xfs_reflink_cancel_cow_blocks()
631 			xfs_bmap_del_extent_cow(ip, &icur, &got, &del);  in xfs_reflink_cancel_cow_blocks()
634 			error = xfs_quota_unreserve_blkres(ip,  in xfs_reflink_cancel_cow_blocks()
649 		xfs_inode_clear_cowblocks_tag(ip);  in xfs_reflink_cancel_cow_blocks()
661 	struct xfs_inode	*ip,  in xfs_reflink_cancel_cow_range()  argument
671 	trace_xfs_reflink_cancel_cow_range(ip, offset, count);  in xfs_reflink_cancel_cow_range()
672 	ASSERT(ip->i_cowfp);  in xfs_reflink_cancel_cow_range()
674 	offset_fsb = XFS_B_TO_FSBT(ip->i_mount, offset);  in xfs_reflink_cancel_cow_range()
678 		end_fsb = XFS_B_TO_FSB(ip->i_mount, offset + count);  in xfs_reflink_cancel_cow_range()
681 	error = xfs_trans_alloc(ip->i_mount, &M_RES(ip->i_mount)->tr_write,  in xfs_reflink_cancel_cow_range()
686 	xfs_ilock(ip, XFS_ILOCK_EXCL);  in xfs_reflink_cancel_cow_range()
687 	xfs_trans_ijoin(tp, ip, 0);  in xfs_reflink_cancel_cow_range()
690 	error = xfs_reflink_cancel_cow_blocks(ip, &tp, offset_fsb, end_fsb,  in xfs_reflink_cancel_cow_range()
697 	xfs_iunlock(ip, XFS_ILOCK_EXCL);  in xfs_reflink_cancel_cow_range()
702 	xfs_iunlock(ip, XFS_ILOCK_EXCL);  in xfs_reflink_cancel_cow_range()
704 	trace_xfs_reflink_cancel_cow_range_error(ip, error, _RET_IP_);  in xfs_reflink_cancel_cow_range()
720 	struct xfs_inode	*ip,  in xfs_reflink_end_cow_extent()  argument
726 	struct xfs_mount	*mp = ip->i_mount;  in xfs_reflink_end_cow_extent()
728 	struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, XFS_COW_FORK);  in xfs_reflink_end_cow_extent()
750 	xfs_ilock(ip, XFS_ILOCK_EXCL);  in xfs_reflink_end_cow_extent()
751 	xfs_trans_ijoin(tp, ip, 0);  in xfs_reflink_end_cow_extent()
753 	error = xfs_iext_count_may_overflow(ip, XFS_DATA_FORK,  in xfs_reflink_end_cow_extent()
756 		error = xfs_iext_count_upgrade(tp, ip,  in xfs_reflink_end_cow_extent()
766 	if (!xfs_iext_lookup_extent(ip, ifp, *offset_fsb, &icur, &got) ||  in xfs_reflink_end_cow_extent()
791 	error = xfs_bmapi_read(ip, del.br_startoff, del.br_blockcount, &data,  in xfs_reflink_end_cow_extent()
800 	trace_xfs_reflink_cow_remap_from(ip, &del);  in xfs_reflink_end_cow_extent()
801 	trace_xfs_reflink_cow_remap_to(ip, &data);  in xfs_reflink_end_cow_extent()
808 		xfs_bmap_unmap_extent(tp, ip, &data);  in xfs_reflink_end_cow_extent()
810 		xfs_trans_mod_dquot_byino(tp, ip, XFS_TRANS_DQ_BCOUNT,  in xfs_reflink_end_cow_extent()
821 		error = xfs_bunmapi(NULL, ip, data.br_startoff,  in xfs_reflink_end_cow_extent()
832 	xfs_bmap_map_extent(tp, ip, &del);  in xfs_reflink_end_cow_extent()
835 	xfs_trans_mod_dquot_byino(tp, ip, XFS_TRANS_DQ_DELBCOUNT,  in xfs_reflink_end_cow_extent()
839 	xfs_bmap_del_extent_cow(ip, &icur, &got, &del);  in xfs_reflink_end_cow_extent()
842 	xfs_iunlock(ip, XFS_ILOCK_EXCL);  in xfs_reflink_end_cow_extent()
852 	xfs_iunlock(ip, XFS_ILOCK_EXCL);  in xfs_reflink_end_cow_extent()
861 	struct xfs_inode		*ip,  in xfs_reflink_end_cow()  argument
869 	trace_xfs_reflink_end_cow(ip, offset, count);  in xfs_reflink_end_cow()
871 	offset_fsb = XFS_B_TO_FSBT(ip->i_mount, offset);  in xfs_reflink_end_cow()
872 	end_fsb = XFS_B_TO_FSB(ip->i_mount, offset + count);  in xfs_reflink_end_cow()
907 		error = xfs_reflink_end_cow_extent(ip, &offset_fsb, end_fsb);  in xfs_reflink_end_cow()
910 		trace_xfs_reflink_end_cow_error(ip, error, _RET_IP_);  in xfs_reflink_end_cow()
1153 	struct xfs_inode	*ip,  in xfs_reflink_remap_extent()  argument
1158 	struct xfs_mount	*mp = ip->i_mount;  in xfs_reflink_remap_extent()
1192 	error = xfs_trans_alloc_inode(ip, &M_RES(mp)->tr_write,  in xfs_reflink_remap_extent()
1196 		error = xfs_trans_alloc_inode(ip, &M_RES(mp)->tr_write,  in xfs_reflink_remap_extent()
1208 	error = xfs_bmapi_read(ip, dmap->br_startoff, dmap->br_blockcount,  in xfs_reflink_remap_extent()
1222 	trace_xfs_reflink_remap_extent_dest(ip, &smap);  in xfs_reflink_remap_extent()
1271 		error = xfs_trans_reserve_quota_nblks(tp, ip,  in xfs_reflink_remap_extent()
1283 	error = xfs_iext_count_may_overflow(ip, XFS_DATA_FORK, iext_delta);  in xfs_reflink_remap_extent()
1285 		error = xfs_iext_count_upgrade(tp, ip, iext_delta);  in xfs_reflink_remap_extent()
1294 		xfs_bmap_unmap_extent(tp, ip, &smap);  in xfs_reflink_remap_extent()
1306 		error = xfs_bunmapi(NULL, ip, smap.br_startoff,  in xfs_reflink_remap_extent()
1319 		xfs_bmap_map_extent(tp, ip, dmap);  in xfs_reflink_remap_extent()
1323 	xfs_trans_mod_dquot_byino(tp, ip, XFS_TRANS_DQ_BCOUNT, qdelta);  in xfs_reflink_remap_extent()
1328 	if (newlen > i_size_read(VFS_I(ip))) {  in xfs_reflink_remap_extent()
1329 		trace_xfs_reflink_update_inode_size(ip, newlen);  in xfs_reflink_remap_extent()
1330 		i_size_write(VFS_I(ip), newlen);  in xfs_reflink_remap_extent()
1331 		ip->i_disk_size = newlen;  in xfs_reflink_remap_extent()
1332 		xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);  in xfs_reflink_remap_extent()
1342 	xfs_iunlock(ip, XFS_ILOCK_EXCL);  in xfs_reflink_remap_extent()
1345 		trace_xfs_reflink_remap_extent_error(ip, error, _RET_IP_);  in xfs_reflink_remap_extent()
1432 	struct xfs_inode	*ip,  in xfs_reflink_zero_posteof()  argument
1435 	loff_t			isize = i_size_read(VFS_I(ip));  in xfs_reflink_zero_posteof()
1440 	trace_xfs_zero_eof(ip, isize, pos - isize);  in xfs_reflink_zero_posteof()
1441 	return xfs_zero_range(ip, isize, pos - isize, NULL);  in xfs_reflink_zero_posteof()
1558 	struct xfs_inode		*ip,  in xfs_reflink_inode_has_shared_extents()  argument
1562 	struct xfs_mount		*mp = ip->i_mount;  in xfs_reflink_inode_has_shared_extents()
1568 	ifp = xfs_ifork_ptr(ip, XFS_DATA_FORK);  in xfs_reflink_inode_has_shared_extents()
1569 	error = xfs_iread_extents(tp, ip, XFS_DATA_FORK);  in xfs_reflink_inode_has_shared_extents()
1574 	found = xfs_iext_lookup_extent(ip, ifp, 0, &icur, &got);  in xfs_reflink_inode_has_shared_extents()
1615 	struct xfs_inode	*ip,  in xfs_reflink_clear_inode_flag()  argument
1621 	ASSERT(xfs_is_reflink_inode(ip));  in xfs_reflink_clear_inode_flag()
1623 	error = xfs_reflink_inode_has_shared_extents(*tpp, ip, &needs_flag);  in xfs_reflink_clear_inode_flag()
1631 	error = xfs_reflink_cancel_cow_blocks(ip, tpp, 0, XFS_MAX_FILEOFF,  in xfs_reflink_clear_inode_flag()
1637 	trace_xfs_reflink_unset_inode_flag(ip);  in xfs_reflink_clear_inode_flag()
1638 	ip->i_diflags2 &= ~XFS_DIFLAG2_REFLINK;  in xfs_reflink_clear_inode_flag()
1639 	xfs_inode_clear_cowblocks_tag(ip);  in xfs_reflink_clear_inode_flag()
1640 	xfs_trans_log_inode(*tpp, ip, XFS_ILOG_CORE);  in xfs_reflink_clear_inode_flag()
1651 	struct xfs_inode	*ip)  in xfs_reflink_try_clear_inode_flag()  argument
1653 	struct xfs_mount	*mp = ip->i_mount;  in xfs_reflink_try_clear_inode_flag()
1662 	xfs_ilock(ip, XFS_ILOCK_EXCL);  in xfs_reflink_try_clear_inode_flag()
1663 	xfs_trans_ijoin(tp, ip, 0);  in xfs_reflink_try_clear_inode_flag()
1665 	error = xfs_reflink_clear_inode_flag(ip, &tp);  in xfs_reflink_try_clear_inode_flag()
1673 	xfs_iunlock(ip, XFS_ILOCK_EXCL);  in xfs_reflink_try_clear_inode_flag()
1678 	xfs_iunlock(ip, XFS_ILOCK_EXCL);  in xfs_reflink_try_clear_inode_flag()
1688 	struct xfs_inode	*ip,  in xfs_reflink_unshare()  argument
1692 	struct inode		*inode = VFS_I(ip);  in xfs_reflink_unshare()
1695 	if (!xfs_is_reflink_inode(ip))  in xfs_reflink_unshare()
1698 	trace_xfs_reflink_unshare(ip, offset, len);  in xfs_reflink_unshare()
1717 	error = xfs_reflink_try_clear_inode_flag(ip);  in xfs_reflink_unshare()
1723 	trace_xfs_reflink_unshare_error(ip, error, _RET_IP_);  in xfs_reflink_unshare()