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Btrfs: sparse lock verification annotations for wait_on_state

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
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Christoph Hellwig 2008-12-02 06:36:10 -05:00 committed by Chris Mason
parent ce397c0616
commit 641f5219f2
1 changed files with 2 additions and 0 deletions
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2
fs/btrfs/extent_io.c
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@ -577,6 +577,8 @@ EXPORT_SYMBOL(clear_extent_bit);
static int wait_on_state(struct extent_io_tree *tree,
struct extent_state *state)
__releases(tree->lock)
__acquires(tree->lock)
{
DEFINE_WAIT(wait);
prepare_to_wait(&state->wq, &wait, TASK_UNINTERRUPTIBLE);