lkml.org 
[lkml]   [2019]   [Aug]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] xfs: Use WARN_ON rather than BUG() for bailout mount-operation
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
>

\
 
 \ /
  Last update: 2019-08-28 17:15    [W:0.096 / U:0.696 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site