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Commit a3fa516d authored by Brian Foster's avatar Brian Foster Committed by Dave Chinner
Browse files

xfs: add finobt support to growfs 



Add finobt support to growfs. Initialize the agi root/level fields
and the root finobt block.

Signed-off-by: default avatarBrian Foster <bfoster@redhat.com>
Reviewed-by: default avatarDave Chinner <dchinner@redhat.com>
Signed-off-by: default avatarDave Chinner <david@fromorbit.com>
parent 3efa4ffd

fs/xfs/xfs_fsops.c

+32 −0
Original line number Diff line number Diff line
@@ -316,6 +316,10 @@ xfs_growfs_data_private( 
		agi->agi_dirino = cpu_to_be32(NULLAGINO);

		if (xfs_sb_version_hascrc(&mp->m_sb))

			uuid_copy(&agi->agi_uuid, &mp->m_sb.sb_uuid);

		if (xfs_sb_version_hasfinobt(&mp->m_sb)) {

			agi->agi_free_root = cpu_to_be32(XFS_FIBT_BLOCK(mp));

			agi->agi_free_level = cpu_to_be32(1);

		}

		for (bucket = 0; bucket < XFS_AGI_UNLINKED_BUCKETS; bucket++)

			agi->agi_unlinked[bucket] = cpu_to_be32(NULLAGINO);
@@ -407,6 +411,34 @@ xfs_growfs_data_private( 
		xfs_buf_relse(bp);

		if (error)

			goto error0;



		/*

		 * FINO btree root block

		 */

		if (xfs_sb_version_hasfinobt(&mp->m_sb)) {

			bp = xfs_growfs_get_hdr_buf(mp,

				XFS_AGB_TO_DADDR(mp, agno, XFS_FIBT_BLOCK(mp)),

				BTOBB(mp->m_sb.sb_blocksize), 0,

				&xfs_inobt_buf_ops);

			if (!bp) {

				error = ENOMEM;

				goto error0;

			}



			if (xfs_sb_version_hascrc(&mp->m_sb))

				xfs_btree_init_block(mp, bp, XFS_FIBT_CRC_MAGIC,

						     0, 0, agno,

						     XFS_BTREE_CRC_BLOCKS);

			else

				xfs_btree_init_block(mp, bp, XFS_FIBT_MAGIC, 0,

						     0, agno, 0);



			error = xfs_bwrite(bp);

			xfs_buf_relse(bp);

			if (error)

				goto error0;

		}



	}

	xfs_trans_agblocks_delta(tp, nfree);

	/*