git: kernel - Fix cluster_write() inefficiency

[Matthew Dillon]

commit cf297f2cccd7fd102041ebf174af66a31a5ef5ce
Author: Matthew Dillon <dillon at apollo.backplane.com>
Date:   Mon Mar 6 17:36:48 2017 -0800

    kernel - Fix cluster_write() inefficiency
    
    * A bug in the cluster code was causing HAMMER to write out 64KB buffers in
      32KB overlapping segments, resulting in data being written to the media
      twice.
    
    * This fix just about doubles HAMMER's sequential write bandwidth.

Summary of changes:
 sys/kern/vfs_cluster.c | 41 +++++++++++++++++++++--------------------
 1 file changed, 21 insertions(+), 20 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/cf297f2cccd7fd102041ebf174af66a31a5ef5ce


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