btrfs_try_tree_write_lock 2912 fs/btrfs/ctree.c if (!btrfs_try_tree_write_lock(b)) { btrfs_try_tree_write_lock 3657 fs/btrfs/extent_io.c if (!btrfs_try_tree_write_lock(eb)) { btrfs_try_tree_write_lock 24 fs/btrfs/locking.h int btrfs_try_tree_write_lock(struct extent_buffer *eb); btrfs_try_tree_write_lock 2092 include/trace/events/btrfs.h DEFINE_BTRFS_LOCK_EVENT(btrfs_try_tree_write_lock);