[XFS] Implement the di_extsize allocator hint for non-realtime files as

well.  Also provides a mechanism for inheriting this property from the
parent directory for new files.

SGI-PV: 945264
SGI-Modid: xfs-linux-melb:xfs-kern:24367a

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

1 files changed, 6 insertions, 1 deletions

diff --git a/fs/xfs/xfs_bmap.h b/fs/xfs/xfs_bmap.h
index 2e0717a01309..12cc63dfc2c4 100644
--- a/fs/xfs/xfs_bmap.h
+++ b/fs/xfs/xfs_bmap.h
@@ -62,6 +62,10 @@ typedef	struct xfs_bmap_free
 #define XFS_BMAPI_IGSTATE       0x200   /* Ignore state - */
                                         /* combine contig. space */
 #define XFS_BMAPI_CONTIG        0x400   /* must allocate only one extent */
+/*      XFS_BMAPI_DIRECT_IO     0x800   */
+#define XFS_BMAPI_CONVERT       0x1000  /* unwritten extent conversion - */
+                                        /* need write cache flushing and no */
+                                        /* additional allocation alignments */
 
 #define XFS_BMAPI_AFLAG(w)      xfs_bmapi_aflag(w)
 static inline int xfs_bmapi_aflag(int w)
@@ -101,7 +105,8 @@ typedef struct xfs_bmalloca {
         char                    wasdel; /* replacing a delayed allocation */
         char                    userdata;/* set if is user data */
         char                    low;    /* low on space, using seq'l ags */
-        char                    aeof;   /* allocated space at eof */
+        char                    aeof;   /* allocated space at eof */
+        char                    conv;   /* overwriting unwritten extents */
 } xfs_bmalloca_t;
 
 #ifdef __KERNEL__