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Commit 1b24b633 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Darrick J. Wong
Browse files

xfs: move some more code into xfs_bmap_del_extent_real 



Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarBrian Foster <bfoster@redhat.com>
Reviewed-by: default avatarDarrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: default avatarDarrick J. Wong <darrick.wong@oracle.com>
parent e1d7553f

fs/xfs/libxfs/xfs_bmap.c

+17 −24
Original line number Diff line number Diff line
@@ -5078,7 +5078,7 @@ xfs_bmap_del_extent_real( 
	int			do_fx;	/* free extent at end of routine */

	xfs_bmbt_rec_host_t	*ep;	/* current extent entry pointer */

	int			error;	/* error return value */

	int			flags;	/* inode logging flags */

	int			flags = 0;/* inode logging flags */

	xfs_bmbt_irec_t		got;	/* current extent entry */

	xfs_fileoff_t		got_endoff;	/* first offset past got */

	int			i;	/* temp state */
@@ -5110,10 +5110,25 @@ xfs_bmap_del_extent_real( 
	got_endoff = got.br_startoff + got.br_blockcount;

	ASSERT(got_endoff >= del_endoff);

	ASSERT(!isnullstartblock(got.br_startblock));

	flags = XFS_ILOG_CORE;

	qfield = 0;

	error = 0;



	/*

	 * If it's the case where the directory code is running with no block

	 * reservation, and the deleted block is in the middle of its extent,

	 * and the resulting insert of an extent would cause transformation to

	 * btree format, then reject it.  The calling code will then swap blocks

	 * around instead.  We have to do this now, rather than waiting for the

	 * conversion to btree format, since the transaction will be dirty then.

	 */

	if (tp->t_blk_res == 0 &&

	    XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_EXTENTS &&

	    XFS_IFORK_NEXTENTS(ip, whichfork) >=

			XFS_IFORK_MAXEXT(ip, whichfork) &&

	    del->br_startoff > got.br_startoff && del_endoff < got_endoff)

		return -ENOSPC;



	flags = XFS_ILOG_CORE;

	if (whichfork == XFS_DATA_FORK && XFS_IS_REALTIME_INODE(ip)) {

		xfs_fsblock_t	bno;

		xfs_filblks_t	len;
@@ -5599,28 +5614,6 @@ __xfs_bunmapi( 
			error = xfs_bmap_del_extent_delay(ip, whichfork, &lastx,

					&got, &del);

		} else {

			/*

			 * If it's the case where the directory code is running

			 * with no block reservation, and the deleted block is

			 * in the middle of its extent, and the resulting insert

			 * of an extent would cause transformation to btree

			 * format, then reject it.  The calling code will then

			 * swap blocks around instead.  We have to do this now,

			 * rather than waiting for the conversion to btree

			 * format, since the transaction will be dirty.

			 */

			if (tp->t_blk_res == 0 &&

			    XFS_IFORK_FORMAT(ip, whichfork) ==

					XFS_DINODE_FMT_EXTENTS &&

			    XFS_IFORK_NEXTENTS(ip, whichfork) >=

					XFS_IFORK_MAXEXT(ip, whichfork) &&

			    del.br_startoff > got.br_startoff &&

			    del.br_startoff + del.br_blockcount <

			    got.br_startoff + got.br_blockcount) {

				error = -ENOSPC;

				goto error0;

			}



			error = xfs_bmap_del_extent_real(ip, tp, &lastx, dfops,

					cur, &del, &tmp_logflags, whichfork,

					flags);