diff options
| author | Josef Whiter <jwhiter@redhat.com> | 2007-07-23 10:02:40 +0100 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2007-10-10 08:54:42 +0100 |
| commit | 26caee5bc643b318fa2e9bd4f66dace1755ec413 (patch) | |
| tree | d41f2a4c131de2eb6e0981b9d7c8eb9c2ae25255 /fs/gfs2/glock.c | |
| parent | 87124e581bfeaa5864662a435b6ee2a19e91b905 (diff) | |
| download | op-kernel-dev-26caee5bc643b318fa2e9bd4f66dace1755ec413.zip op-kernel-dev-26caee5bc643b318fa2e9bd4f66dace1755ec413.tar.gz | |
[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>
Diffstat (limited to 'fs/gfs2/glock.c')
| -rw-r--r-- | fs/gfs2/glock.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index 6a3eeba..6b6ae45 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -697,8 +697,9 @@ static void handle_callback(struct gfs2_glock *gl, unsigned int state, int remot } return; } - } else if (gl->gl_demote_state != LM_ST_UNLOCKED) { - gl->gl_demote_state = state; + } else if (gl->gl_demote_state != LM_ST_UNLOCKED && + gl->gl_demote_state != state) { + gl->gl_demote_state = LM_ST_UNLOCKED; } spin_unlock(&gl->gl_spin); } |
