Commit 26caee5b authored Jul 23, 2007 by Josef Whiter Committed by Steven Whitehouse Oct 10, 2007

[GFS2] Fix calculation of demote state



If a glock is in the exclusive state and a request for demote to
deferred has been received, then further requests for demote to
shared are being ignored. This patch fixes that by ensuring that
we demote to unlocked in that case.

Signed-off-by: Josef Whiter <jwhiter@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

parent 87124e58

fs/gfs2/glock.c

+3 −2

Original line number	Original line	Diff line number	Diff line
	@@ -697,8 +697,9 @@ static void handle_callback(struct gfs2_glock *gl, unsigned int state, int remot
	}		}
	return;		return;
	}		}
	} else if (gl->gl_demote_state != LM_ST_UNLOCKED) {		} else if (gl->gl_demote_state != LM_ST_UNLOCKED &&
	gl->gl_demote_state = state;		gl->gl_demote_state != state) {
			gl->gl_demote_state = LM_ST_UNLOCKED;
	}		}
	spin_unlock(&gl->gl_spin);		spin_unlock(&gl->gl_spin);
	}		}