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Diffstat (limited to 'fs/xfs/libxfs/xfs_bmap.h')
-rw-r--r--fs/xfs/libxfs/xfs_bmap.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h
index cdef87db5262..a6e612cabe15 100644
--- a/fs/xfs/libxfs/xfs_bmap.h
+++ b/fs/xfs/libxfs/xfs_bmap.h
@@ -172,6 +172,18 @@ static inline int xfs_bmapi_whichfork(int bmapi_flags)
/*
+ * Return true if the extent is a real, allocated extent, or false if it is a
+ * delayed allocation, and unwritten extent or a hole.
+ */
+static inline bool xfs_bmap_is_real_extent(struct xfs_bmbt_irec *irec)
+{
+ return irec->br_state != XFS_EXT_UNWRITTEN &&
+ irec->br_startblock != HOLESTARTBLOCK &&
+ irec->br_startblock != DELAYSTARTBLOCK &&
+ !isnullstartblock(irec->br_startblock);
+}
+
+/*
* This macro is used to determine how many extents will be shifted
* in one write transaction. We could require two splits,
* an extent move on the first and an extent merge on the second,