[XFS] Fixing size report discrepancy between ls and du caused by xfs_fsr

SGI-PV: 943908
SGI-Modid: xfs-linux:xfs-kern:200874a

Signed-off-by: Yingping Lu <yingping@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>

1 files changed, 23 insertions, 1 deletions

diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c
index e52387b3abef..9f635f0ccf08 100644
--- a/fs/xfs/xfs_bmap.c
+++ b/fs/xfs/xfs_bmap.c
@@ -423,6 +423,12 @@ xfs_bmap_count_leaves(
         int                     numrecs,
         int                     *count);
 
+STATIC int
+xfs_bmap_disk_count_leaves(
+        xfs_bmbt_rec_t          *frp,
+        int                     numrecs,
+        int                     *count);
+
 /*
  * Bmap internal routines.
  */
@@ -6282,7 +6288,7 @@ xfs_bmap_count_tree(
                         numrecs = INT_GET(block->bb_numrecs, ARCH_CONVERT);
                         frp = XFS_BTREE_REC_ADDR(mp->m_sb.sb_blocksize,
                                 xfs_bmbt, block, 1, mp->m_bmap_dmxr[0]);
-                        if (unlikely(xfs_bmap_count_leaves(frp, numrecs, count) < 0)) {
+                        if (unlikely(xfs_bmap_disk_count_leaves(frp, numrecs, count) < 0)) {
                                 xfs_trans_brelse(tp, bp);
                                 XFS_ERROR_REPORT("xfs_bmap_count_tree(2)",
                                                  XFS_ERRLEVEL_LOW, mp);
@@ -6314,6 +6320,22 @@ xfs_bmap_count_leaves(
         int             b;
 
         for ( b = 1; b <= numrecs; b++, frp++)
+                *count += xfs_bmbt_get_blockcount(frp);
+        return 0;
+}
+
+/*
+ * Count leaf blocks given a pointer to an extent list originally in btree format.
+ */
+int
+xfs_bmap_disk_count_leaves(
+        xfs_bmbt_rec_t          *frp,
+        int                     numrecs,
+        int                     *count)
+{
+        int             b;
+
+        for ( b = 1; b <= numrecs; b++, frp++)
                 *count += xfs_bmbt_disk_get_blockcount(frp);
         return 0;
 }