• Dave Chinner's avatar
    xfs: vectorise DA btree operations · 4bceb18f
    Dave Chinner authored
    The remaining non-vectorised code for the directory structure is the
    node format blocks. This is shared with the attribute tree, and so
    is slightly more complex to vectorise.
    
    Introduce a "non-directory" directory ops structure that is attached
    to all non-directory inodes so that attribute operations can be
    vectorised for all inodes.
    
    Once we do this, we can vectorise all the da btree operations.
    Because this patch adds more infrastructure than it removes the
    binary size does not decrease:
    
       text    data     bss     dec     hex filename
     794490   96802    1096  892388   d9de4 fs/xfs/xfs.o.orig
     792986   96802    1096  890884   d9804 fs/xfs/xfs.o.p1
     792350   96802    1096  890248   d9588 fs/xfs/xfs.o.p2
     789293   96802    1096  887191   d8997 fs/xfs/xfs.o.p3
     789005   96802    1096  886903   d8997 fs/xfs/xfs.o.p4
     789061   96802    1096  886959   d88af fs/xfs/xfs.o.p5
     789733   96802    1096  887631   d8b4f fs/xfs/xfs.o.p6
    Signed-off-by: default avatarDave Chinner <dchinner@redhat.com>
    Reviewed-by: default avatarBen Myers <bpm@sgi.com>
    Signed-off-by: default avatarBen Myers <bpm@sgi.com>
    4bceb18f
xfs_da_btree.c 72.6 KB