git: kernel - Adjust vm_object->paging_in_progress to use refcount API

[Matthew Dillon <dillon@xxxxxxxxxxxxxxxxxxxxxxx>]

commit 00db03f17da256490b19a18bc25da507f57eb5b6
Author: Matthew Dillon <dillon@apollo.backplane.com>
Date:   Wed Jun 15 08:47:44 2011 -0700

    kernel - Adjust vm_object->paging_in_progress to use refcount API
    
    * Adjust vm_object->paging_in_progress to use refcount API
    
    * Fixes races related to release / wait which could stall a process.

Summary of changes:
 sys/kern/vfs_bio.c  |   13 ++++++-------
 sys/kern/vfs_subr.c |    3 +--
 sys/vm/swap_pager.c |    2 +-
 sys/vm/vm_object.c  |    8 ++++----
 sys/vm/vm_object.h  |   47 +++++++++++++----------------------------------
 5 files changed, 25 insertions(+), 48 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/00db03f17da256490b19a18bc25da507f57eb5b6


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