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authorJan Schmidt <list.btrfs@jan-o-sch.net>2012-06-04 16:54:57 +0200
committerJan Schmidt <list.btrfs@jan-o-sch.net>2012-06-14 18:44:21 +0200
commit8ba97a15e7d4f70b9af71fa1db86a28dd17ad1b2 (patch)
tree08a2e49743eee382eca3e4b12415b372f898e3d8 /net/llc
parentf617e2fd52484fb74236a597d0f9068ec7d9d2dd (diff)
Btrfs: use btrfs_read_lock_root_node in get_old_root
get_old_root could race with root node updates because we weren't locking the node early enough. Use btrfs_read_lock_root_node to grab the root locked in the very beginning and release the lock as soon as possible (just like btrfs_search_slot does). Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
Diffstat (limited to 'net/llc')
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