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Btrfs: add missing extent state caching calls 

When we didn't find a matching extent state, we inserted a new one
but didn't cache it in the **cached_state parameter, which makes a
subsequent call do a tree lookup to get it.

Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
hifive-unleashed-5.1
Filipe David Borba Manana 2013-11-26 15:01:34 +00:00 committed by Chris Mason
parent 32193c147f
commit c42ac0bc95
1 changed files with 3 additions and 1 deletions
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4
fs/btrfs/extent_io.c
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@ -817,6 +817,7 @@ again:
if (err)
extent_io_tree_panic(tree, err);
cache_state(prealloc, cached_state);
prealloc = NULL;
goto out;
}
@ -1040,9 +1041,10 @@ again:
goto out;
}
err = insert_state(tree, prealloc, start, end, &bits);
prealloc = NULL;
if (err)
extent_io_tree_panic(tree, err);
cache_state(prealloc, cached_state);
prealloc = NULL;
goto out;
}
state = rb_entry(node, struct extent_state, rb_node);