git: HAMMER VFS - Attempt to fix a low-memory deadlock

Matthew Dillon dillon at crater.dragonflybsd.org
Thu Dec 1 17:14:44 PST 2011


commit 1ce32b2e9e7c5debe9ca25a3e89f3dec991dd246
Author: Matthew Dillon <dillon at apollo.backplane.com>
Date:   Thu Dec 1 17:12:12 2011 -0800

    HAMMER VFS - Attempt to fix a low-memory deadlock
    
    * Avoid trying to allocate a new buffer cache buffer when memory is
      low from inside the blockmap allocation path (where the global
      blockmap lock is held).
    
    Reported-by: tuxillo

Summary of changes:
 sys/vfs/hammer/hammer_blockmap.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/1ce32b2e9e7c5debe9ca25a3e89f3dec991dd246


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