These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / fs / xfs / libxfs / xfs_bmap.h

diff --git a/kernel/fs/xfs/libxfs/xfs_bmap.h b/kernel/fs/xfs/libxfs/xfs_bmap.h
index 6aaa0c1..a160f8a 100644 (file)
--- a/kernel/fs/xfs/libxfs/xfs_bmap.h
+++ b/kernel/fs/xfs/libxfs/xfs_bmap.h
@@ -52,9 +52,9 @@ struct xfs_bmalloca {
        xfs_extlen_t            minleft; /* amount must be left after alloc */
        bool                    eof;    /* set if allocating past last extent */
        bool                    wasdel; /* replacing a delayed allocation */
-       bool                    userdata;/* set if is user data */
        bool                    aeof;   /* allocated space at eof */
        bool                    conv;   /* overwriting unwritten extents */
+       char                    userdata;/* userdata mask */
        int                     flags;
 };
 
@@ -109,6 +109,14 @@ typedef    struct xfs_bmap_free
  */
 #define XFS_BMAPI_CONVERT      0x040
 
+/*
+ * allocate zeroed extents - this requires all newly allocated user data extents
+ * to be initialised to zero. It will be ignored if XFS_BMAPI_METADATA is set.
+ * Use in conjunction with XFS_BMAPI_CONVERT to convert unwritten extents found
+ * during the allocation range to zeroed written extents.
+ */
+#define XFS_BMAPI_ZERO         0x080
+
 #define XFS_BMAPI_FLAGS \
        { XFS_BMAPI_ENTIRE,     "ENTIRE" }, \
        { XFS_BMAPI_METADATA,   "METADATA" }, \
@@ -116,7 +124,8 @@ typedef     struct xfs_bmap_free
        { XFS_BMAPI_PREALLOC,   "PREALLOC" }, \
        { XFS_BMAPI_IGSTATE,    "IGSTATE" }, \
        { XFS_BMAPI_CONTIG,     "CONTIG" }, \
-       { XFS_BMAPI_CONVERT,    "CONVERT" }
+       { XFS_BMAPI_CONVERT,    "CONVERT" }, \
+       { XFS_BMAPI_ZERO,       "ZERO" }
 
 
 static inline int xfs_bmapi_aflag(int w)