DragonFly-2.3.1.326.gdf2cc master sys/vfs/hammer hammer.h hammer_blockmap.c hammer_btree.c hammer_disk.h hammer_mirror.c hammer_object.c hammer_ondisk.c hammer_reblock.c

[Matthew Dillon]

commit df2ccbac56a7e11715c25f2c1617dafb6db040b1
Author: Matthew Dillon <dillon at apollo.backplane.com>
Date:   Sat Jun 20 14:49:12 2009 -0700

    HAMMER VFS - Add hinting capability to block allocator, hint B-Tree
    
    * A hammer_off_t can now be supplied to the blockmap allocator as a hint.
    
    * Use the hinting mechanism to better-localize B-Tree node allocations
      and meta-data updates.

Summary of changes:
 sys/vfs/hammer/hammer.h          |    8 +++--
 sys/vfs/hammer/hammer_blockmap.c |   57 +++++++++++++++++++++++++++++++++----
 sys/vfs/hammer/hammer_btree.c    |   48 ++++++++++++++++++++++++++++----
 sys/vfs/hammer/hammer_disk.h     |    7 ++++
 sys/vfs/hammer/hammer_mirror.c   |    3 +-
 sys/vfs/hammer/hammer_object.c   |   11 ++++---
 sys/vfs/hammer/hammer_ondisk.c   |   11 ++++---
 sys/vfs/hammer/hammer_reblock.c  |   21 ++++++++++++--
 8 files changed, 136 insertions(+), 30 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/df2ccbac56a7e11715c25f2c1617dafb6db040b1


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