Merge branch 'gup_flag-cleanups'

[cascardo/linux.git] / fs / xfs / libxfs / xfs_trans_space.h

diff --git a/fs/xfs/libxfs/xfs_trans_space.h b/fs/xfs/libxfs/xfs_trans_space.h
index 41e0428..7917f6e 100644 (file)
--- a/fs/xfs/libxfs/xfs_trans_space.h
+++ b/fs/xfs/libxfs/xfs_trans_space.h
@@ -21,6 +21,8 @@
 /*
  * Components of space reservations.
  */
+#define XFS_MAX_CONTIG_RMAPS_PER_BLOCK(mp)    \
+               (((mp)->m_rmap_mxr[0]) - ((mp)->m_rmap_mnr[0]))
 #define XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp)    \
                (((mp)->m_alloc_mxr[0]) - ((mp)->m_alloc_mnr[0]))
 #define        XFS_EXTENTADD_SPACE_RES(mp,w)   (XFS_BM_MAXLEVELS(mp,w) - 1)
@@ -28,6 +30,13 @@
        (((b + XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp) - 1) / \
          XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp)) * \
          XFS_EXTENTADD_SPACE_RES(mp,w))
+#define XFS_SWAP_RMAP_SPACE_RES(mp,b,w)\
+       (((b + XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp) - 1) / \
+         XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp)) * \
+         XFS_EXTENTADD_SPACE_RES(mp,w) + \
+        ((b + XFS_MAX_CONTIG_RMAPS_PER_BLOCK(mp) - 1) / \
+         XFS_MAX_CONTIG_RMAPS_PER_BLOCK(mp)) * \
+         (mp)->m_rmap_maxlevels)
 #define        XFS_DAENTER_1B(mp,w)    \
        ((w) == XFS_DATA_FORK ? (mp)->m_dir_geo->fsbcount : 1)
 #define        XFS_DAENTER_DBS(mp,w)   \