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btrfs: remove unnecessary extent root check in btrfs_defrag_leaves 

We only defrag leaves on roots that have SHAREABLE set, so we don't need
to check if we're the extent root as it doesn't have SHAREABLE set.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Josef Bacik 2021-11-05 16:45:40 -04:00 committed by David Sterba
parent 826582cabc
commit 3478c73252
1 changed files with 0 additions and 8 deletions
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8
fs/btrfs/tree-defrag.c
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@ -27,14 +27,6 @@ int btrfs_defrag_leaves(struct btrfs_trans_handle *trans,
int next_key_ret = 0;
u64 last_ret = 0;
if (root->fs_info->extent_root == root) {
/*
* there's recursion here right now in the tree locking,
* we can't defrag the extent root without deadlock
*/
goto out;
}
if (!test_bit(BTRFS_ROOT_SHAREABLE, &root->state))
goto out;