Commit eb2e9994 authored Sep 05, 2019 by Austin Kim Committed by Darrick J. Wong Sep 05, 2019

xfs: Use WARN_ON_ONCE for bailout mount-operation



If the CONFIG_BUG is enabled, BUG is executed and then system is crashed.
However, the bailout for mount is no longer proceeding.

Using WARN_ON_ONCE rather than BUG can prevent this situation.

Signed-off-by: Austin Kim <austindh.kim@gmail.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

parent bc56ad8c

fs/xfs/xfs_mount.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -214,7 +214,7 @@ xfs_initialize_perag(

		spin_lock(&mp->m_perag_lock);
		if (radix_tree_insert(&mp->m_perag_tree, index, pag)) {
		BUG();
		WARN_ON_ONCE(1);
		spin_unlock(&mp->m_perag_lock);
		radix_tree_preload_end();
		error = -EEXIST;

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