diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2008-05-17 17:12:24 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2008-05-17 17:12:24 +0200 |
| commit | 538f0fd0f210c2ce5c585799f18d0e5c7cf6155e (patch) | |
| tree | e9fa2b10ce5d92ac6bcd8ac55af1cd97bda3ec5d /block/blk-settings.c | |
| parent | 3bb6fbf9969a8bbe4892968659239273d092e78a (diff) | |
| parent | f26a3988917913b3d11b2bd741601a2c64ab9204 (diff) | |
Merge branch 'linus' into x86/garttip-x86-gart-2008-05-17-15-12-25
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 bb93d4c32775..8dd86418f35d 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); |