2 files changed, 11 insertions, 5 deletions

diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 74d7228e755b..19e921d1586f 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -1694,10 +1694,13 @@ xfs_bmap_add_extent_delay_real(
         case BMAP_LEFT_FILLING | BMAP_RIGHT_FILLING | BMAP_RIGHT_CONTIG:
                 /*
                  * Filling in all of a previously delayed allocation extent.
-                 * The right neighbor is contiguous, the left is not.
+                 * The right neighbor is contiguous, the left is not. Take care
+                 * with delay -> unwritten extent allocation here because the
+                 * delalloc record we are overwriting is always written.
                  */
                 PREV.br_startblock = new->br_startblock;
                 PREV.br_blockcount += RIGHT.br_blockcount;
+                PREV.br_state = new->br_state;
 
                 xfs_iext_next(ifp, &bma->icur);
                 xfs_iext_remove(bma->ip, &bma->icur, state);
diff --git a/fs/xfs/libxfs/xfs_ialloc_btree.c b/fs/xfs/libxfs/xfs_ialloc_btree.c
index 86c50208a143..7fbf8af0b159 100644
--- a/fs/xfs/libxfs/xfs_ialloc_btree.c
+++ b/fs/xfs/libxfs/xfs_ialloc_btree.c
@@ -538,15 +538,18 @@ xfs_inobt_rec_check_count(
 
 static xfs_extlen_t
 xfs_inobt_max_size(
-        struct xfs_mount        *mp)
+        struct xfs_mount        *mp,
+        xfs_agnumber_t          agno)
 {
+        xfs_agblock_t           agblocks = xfs_ag_block_count(mp, agno);
+
         /* Bail out if we're uninitialized, which can happen in mkfs. */
         if (mp->m_inobt_mxr[0] == 0)
                 return 0;
 
         return xfs_btree_calc_size(mp->m_inobt_mnr,
-                (uint64_t)mp->m_sb.sb_agblocks * mp->m_sb.sb_inopblock /
-                                XFS_INODES_PER_CHUNK);
+                                (uint64_t)agblocks * mp->m_sb.sb_inopblock /
+                                        XFS_INODES_PER_CHUNK);
 }
 
 static int
@@ -594,7 +597,7 @@ xfs_finobt_calc_reserves(
         if (error)
                 return error;
 
-        *ask += xfs_inobt_max_size(mp);
+        *ask += xfs_inobt_max_size(mp, agno);
         *used += tree_len;
         return 0;
 }