Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier...

[pandora-kernel.git] / fs / xfs / xfs_bmap.h

diff --git a/fs/xfs/xfs_bmap.h b/fs/xfs/xfs_bmap.h
index b13569a..71ec9b6 100644 (file)
--- a/fs/xfs/xfs_bmap.h
+++ b/fs/xfs/xfs_bmap.h
@@ -74,9 +74,12 @@ typedef      struct xfs_bmap_free
 #define        XFS_BMAPI_IGSTATE       0x080   /* Ignore state - */
                                        /* combine contig. space */
 #define        XFS_BMAPI_CONTIG        0x100   /* must allocate only one extent */
-#define XFS_BMAPI_CONVERT      0x200   /* unwritten extent conversion - */
-                                       /* need write cache flushing and no */
-                                       /* additional allocation alignments */
+/*
+ * unwritten extent conversion - this needs write cache flushing and no additional
+ * allocation alignments. When specified with XFS_BMAPI_PREALLOC it converts
+ * from written to unwritten, otherwise convert from unwritten to written.
+ */
+#define XFS_BMAPI_CONVERT      0x200
 
 #define XFS_BMAPI_FLAGS \
        { XFS_BMAPI_WRITE,      "WRITE" }, \