git: HAMMER VFS - hammer_inode / vp races
commit e0092341a30906d2f43d89f76d181dd96ccb9802
Author: Matthew Dillon <dillon@apollo.backplane.com>
Date: Thu Jan 14 20:01:54 2010 -0800
HAMMER VFS - hammer_inode / vp races
* The hammer_inode must be locked when clearing the vp during a reclaim
to interlock with a concurrent reclaim.
* hammer_get_vnode() must hold the vp while holding the hammer_inode locked
to prevent destruction when racing against drops or reclaims.
* Remove the HAMMER_INODE_VHELD flag. Backend truncations and the
last inode release should acquire the vnode properly now in
hammer_inode_unloadable_check().
Summary of changes:
sys/vfs/hammer/hammer.h | 2 +-
sys/vfs/hammer/hammer_inode.c | 32 +++++++++++++++++++++++++++++++-
2 files changed, 32 insertions(+), 2 deletions(-)
http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/e0092341a30906d2f43d89f76d181dd96ccb9802
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