git: HAMMER VFS - Disallow rebalancing on small-memory machines

[Matthew Dillon <dillon@xxxxxxxxxxxxxxxxxxxxxxx>]

commit f6468e9eb2c9de9b9af113b10cd1a0b3c64c0e42
Author: Matthew Dillon <dillon@apollo.backplane.com>
Date:   Tue Jan 26 12:50:33 2010 -0800

    HAMMER VFS - Disallow rebalancing on small-memory machines
    
    * Rebalancing may have to hold upwards of 3900 buffers locked
      in the worst case, disallow the operation on machines which
      do not configure enough buffer cache buffers.

Summary of changes:
 sys/vfs/hammer/hammer.h       |   10 ++++++++++
 sys/vfs/hammer/hammer_ioctl.c |   11 +++++++++++
 2 files changed, 21 insertions(+), 0 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/f6468e9eb2c9de9b9af113b10cd1a0b3c64c0e42


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