xfs: create a separate cow extent size hint for the allocator

[sfrench/cifs-2.6.git] / fs / xfs / libxfs / xfs_format.h

diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h
index 777fa974a3190daba0c9d0fa7f96cf4d23c2ef9c..5e04ea2aa902c5f061f5bf4289c4b1cd701d67be 100644 (file)
--- a/fs/xfs/libxfs/xfs_format.h
+++ b/fs/xfs/libxfs/xfs_format.h
@@ -901,7 +901,8 @@ typedef struct xfs_dinode {
        __be64          di_changecount; /* number of attribute changes */
        __be64          di_lsn;         /* flush sequence */
        __be64          di_flags2;      /* more random flags */
-       __u8            di_pad2[16];    /* more padding for future expansion */
+       __be32          di_cowextsize;  /* basic cow extent size for file */
+       __u8            di_pad2[12];    /* more padding for future expansion */
 
        /* fields only written to during inode creation */
        xfs_timestamp_t di_crtime;      /* time created */