Btrfs: catch errors from btrfs_sync_log
btrfs_sync_log returns -EAGAIN when we need full transaction commits instead of small log commits, but sometimes we were dropping the return value. In practice, we check for this a few different ways, but this is still a bug that can leave off full log commits when we really need them. Signed-off-by: Chris Mason <chris.mason@oracle.com>
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@ -2051,6 +2051,7 @@ int btrfs_sync_log(struct btrfs_trans_handle *trans,
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wait_log_commit(trans, log_root_tree,
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log_root_tree->log_transid);
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mutex_unlock(&log_root_tree->log_mutex);
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ret = 0;
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goto out;
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}
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atomic_set(&log_root_tree->log_commit[index2], 1);
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@ -2115,7 +2116,7 @@ out:
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smp_mb();
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if (waitqueue_active(&root->log_commit_wait[index1]))
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wake_up(&root->log_commit_wait[index1]);
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return 0;
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return ret;
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}
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static void free_log_tree(struct btrfs_trans_handle *trans,
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