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Btrfs: remove root_log_ctx from ctx list before btrfs_sync_log returns
We use a btrfs_log_ctx structure to pass information into the tree log commit, and get error values out. It gets added to a per log-transaction list which we walk when things go bad. Commitd1433debe
added an optimization to skip waiting for the log commit, but didn't take root_log_ctx out of the list. This patch makes sure we remove things before exiting. Signed-off-by: Chris Mason <clm@fb.com> Fixes:d1433debe7
cc: stable@vger.kernel.org # 3.15+
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@ -2867,6 +2867,7 @@ int btrfs_sync_log(struct btrfs_trans_handle *trans,
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if (log_root_tree->log_transid_committed >= root_log_ctx.log_transid) {
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blk_finish_plug(&plug);
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list_del_init(&root_log_ctx.list);
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mutex_unlock(&log_root_tree->log_mutex);
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ret = root_log_ctx.log_ret;
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goto out;
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