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Btrfs: fix worker thread double spin_lock_irq

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The exit-on-idle code for async worker threads was incorrectly
calling spin_lock_irq with interrupts already off.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason 2009-09-15 20:00:36 -04:00
parent 3e99d8eb34
commit 627e421a3f
1 changed files with 2 additions and 2 deletions
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4
fs/btrfs/async-thread.c
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@ -185,7 +185,7 @@ static int try_worker_shutdown(struct btrfs_worker_thread *worker)
int freeit = 0; int freeit = 0;
spin_lock_irq(&worker->lock); spin_lock_irq(&worker->lock);
spin_lock_irq(&worker->workers->lock); spin_lock(&worker->workers->lock);
if (worker->workers->num_workers > 1 && if (worker->workers->num_workers > 1 &&
worker->idle && worker->idle &&
!worker->working && !worker->working &&
@ -196,7 +196,7 @@ static int try_worker_shutdown(struct btrfs_worker_thread *worker)
list_del_init(&worker->worker_list); list_del_init(&worker->worker_list);
worker->workers->num_workers--; worker->workers->num_workers--;
} }
spin_unlock_irq(&worker->workers->lock); spin_unlock(&worker->workers->lock);
spin_unlock_irq(&worker->lock); spin_unlock_irq(&worker->lock);
if (freeit) if (freeit)