JFS: Add back directory i_size calculations for legacy partitions

Linux-formatted jfs partitions have a different idea about what i_size
represents than partitions formatted on OS/2.  The i_size calculation is
now based on the size of the directory index.  For legacy partitions, which
have no directory index, the i_size is never being updated.

This patch adds back the original i_size calculations for legacy partitions.

Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>

1 files changed, 12 insertions, 1 deletions

diff --git a/fs/jfs/jfs_dtree.c b/fs/jfs/jfs_dtree.c
index 404f33eae507..6c3f08319846 100644
--- a/fs/jfs/jfs_dtree.c
+++ b/fs/jfs/jfs_dtree.c
@@ -1005,6 +1005,9 @@ static int dtSplitUp(tid_t tid,
 
                 DT_PUTPAGE(smp);
 
+                if (!DO_INDEX(ip))
+                        ip->i_size = xlen << sbi->l2bsize;
+
                 goto freeKeyName;
         }
 
@@ -1055,7 +1058,9 @@ static int dtSplitUp(tid_t tid,
                                 xaddr = addressPXD(pxd) + xlen;
                                 dbFree(ip, xaddr, (s64) n);
                         }
-                }
+                } else if (!DO_INDEX(ip))
+                        ip->i_size = lengthPXD(pxd) << sbi->l2bsize;
+
 
               extendOut:
                 DT_PUTPAGE(smp);
@@ -1098,6 +1103,9 @@ static int dtSplitUp(tid_t tid,
                 goto splitOut;
         }
 
+        if (!DO_INDEX(ip))
+                ip->i_size += PSIZE;
+
         /*
          * propagate up the router entry for the leaf page just split
          *
@@ -2424,6 +2432,9 @@ static int dtDeleteUp(tid_t tid, struct inode *ip,
                 break;
         }
 
+        if (!DO_INDEX(ip))
+                ip->i_size -= PSIZE;
+
         return 0;
 }