diff options
| author | Paul Mackerras <paulus@samba.org> | 2008-05-16 23:13:42 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-05-16 23:13:42 +1000 |
| commit | fcff474ea5cb17ff015aa40e92ed86fede41f1e2 (patch) | |
| tree | a99c0e14daaf31cb078812fb2fbc6abadfcd738f /block/blk-settings.c | |
| parent | 541b2755c2ef7dd2242ac606c115daa11e43ef69 (diff) | |
| parent | f26a3988917913b3d11b2bd741601a2c64ab9204 (diff) | |
Merge branch 'linux-2.6' into powerpc-next
Diffstat (limited to 'block/blk-settings.c')
| -rw-r--r-- | block/blk-settings.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/block/blk-settings.c b/block/blk-settings.c index bb93d4c3277..8dd86418f35 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -286,8 +286,14 @@ void blk_queue_stack_limits(struct request_queue *t, struct request_queue *b) t->max_hw_segments = min(t->max_hw_segments, b->max_hw_segments); t->max_segment_size = min(t->max_segment_size, b->max_segment_size); t->hardsect_size = max(t->hardsect_size, b->hardsect_size); - if (!test_bit(QUEUE_FLAG_CLUSTER, &b->queue_flags)) + if (!t->queue_lock) + WARN_ON_ONCE(1); + else if (!test_bit(QUEUE_FLAG_CLUSTER, &b->queue_flags)) { + unsigned long flags; + spin_lock_irqsave(t->queue_lock, flags); queue_flag_clear(QUEUE_FLAG_CLUSTER, t); + spin_unlock_irqrestore(t->queue_lock, flags); + } } EXPORT_SYMBOL(blk_queue_stack_limits); |