1 files changed, 32 insertions, 0 deletions

diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c
index 02fb943cbf22..96e4eb0d9452 100644
--- a/fs/xfs/xfs_fsops.c
+++ b/fs/xfs/xfs_fsops.c
@@ -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);
         /*