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Btrfs: Fix for test_range_bit

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test_range_bit doesn't properly handle the case: there's a hole at the
end of the range and there's no other extent_state after the range.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Yan 2008-01-22 12:46:56 -05:00 committed by Chris Mason
parent b17854275c
commit f0c5da1446
1 changed files with 5 additions and 0 deletions
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5
fs/btrfs/extent_map.c
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@ -1336,6 +1336,11 @@ int test_range_bit(struct extent_map_tree *tree, u64 start, u64 end,
if (start > end)
break;
node = rb_next(node);
if (!node) {
if (filled)
bitset = 0;
break;
}
}
read_unlock_irq(&tree->lock);
return bitset;