4.4-stable review patch.  If anyone has any objections, please let me know.


From: Chris Mason <c...@fb.com>

commit cbd60aa7cd17d81a434234268c55192862147439 upstream.

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.

Commit d1433debe 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 <c...@fb.com>
Fixes: d1433debe7f4346cf9fc0dafc71c3137d2a97bc4
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>

 fs/btrfs/tree-log.c |    1 +
 1 file changed, 1 insertion(+)

--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -2850,6 +2850,7 @@ int btrfs_sync_log(struct btrfs_trans_ha
        if (log_root_tree->log_transid_committed >= root_log_ctx.log_transid) {
+               list_del_init(&root_log_ctx.list);
                ret = root_log_ctx.log_ret;
                goto out;

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