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SubjectRe: [PATCH] xfs: Use WARN_ON rather than BUG() for bailout mount-operation
Dear Mr. Darrick J. Wong

Thanks for reviewing patch. BTW, I have a question for you.

Do I have to update the patch again with 'a space before the brace'?
Or could I just wait for the patch to be imported?

It would be thankful if you give me a feedback.

BR,
Guillermo Austin Kim

2019년 8월 29일 (목) 오전 12:14, Darrick J. Wong <darrick.wong@oracle.com>님이 작성:
>
> On Wed, Aug 28, 2019 at 03:47:49PM +0900, Austin Kim wrote:
> > If the CONFIG_BUG is enabled, BUG() is executed and then system is crashed.
> > However, the bailout for mount is no longer proceeding.
> >
> > For this reason, using WARN_ON rather than BUG() could prevent this situation.
> > ---
> > fs/xfs/xfs_mount.c | 3 +--
> > 1 file changed, 1 insertion(+), 2 deletions(-)
> >
> > diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
> > index 322da69..10fe000 100644
> > --- a/fs/xfs/xfs_mount.c
> > +++ b/fs/xfs/xfs_mount.c
> > @@ -213,8 +213,7 @@ xfs_initialize_perag(
> > goto out_hash_destroy;
> >
> > spin_lock(&mp->m_perag_lock);
> > - if (radix_tree_insert(&mp->m_perag_tree, index, pag)) {
> > - BUG();
> > + if (WARN_ON(radix_tree_insert(&mp->m_perag_tree, index, pag))){
>
> Need a space before the brace.
>
> Will fix on import,
> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
>
> --D
>
> > spin_unlock(&mp->m_perag_lock);
> > radix_tree_preload_end();
> > error = -EEXIST;
> > --
> > 2.6.2
> >

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