Re: [PATCH] xfs: include QUOTA, FATAL ASSERT build options in XFS_BUILD_OPTIONS

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On Fri, Sep 06, 2019 at 02:26:46PM +0800, yu kuai wrote:
> In commit d03a2f1b9fa8 ("xfs: include WARN, REPAIR build options in
> XFS_BUILD_OPTIONS"), Eric pointed out that the XFS_BUILD_OPTIONS string,
> shown at module init time and in modinfo output, does not currently
> include all available build options. So, he added in CONFIG_XFS_WARN and
> CONFIG_XFS_REPAIR. However, this is not enough, add in CONFIG_XFS_QUOTA
> and CONFIG_XFS_ASSERT_FATAL. 
> 
> Signed-off-by: yu kuai <yukuai3@xxxxxxxxxx>
> ---
>  fs/xfs/xfs_super.h | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/fs/xfs/xfs_super.h b/fs/xfs/xfs_super.h
> index 763e43d..b552cf6 100644
> --- a/fs/xfs/xfs_super.h
> +++ b/fs/xfs/xfs_super.h
> @@ -11,9 +11,11 @@
>  #ifdef CONFIG_XFS_QUOTA
>  extern int xfs_qm_init(void);
>  extern void xfs_qm_exit(void);
> +# define XFS_QUOTA_STRING	"quota, "
>  #else
>  # define xfs_qm_init()	(0)
>  # define xfs_qm_exit()	do { } while (0)
> +# define XFS_QUOTA_STRING
>  #endif
>  
>  #ifdef CONFIG_XFS_POSIX_ACL
> @@ -50,6 +52,12 @@ extern void xfs_qm_exit(void);
>  # define XFS_WARN_STRING
>  #endif
>  
> +#ifdef CONFIG_XFS_ASSERT_FATAL
> +# define XFS_ASSERT_FATAL_STRING	"fatal assert, "

/me wonders if the space here will screw up any scripts that try to
parse the logging string, but OTOH that seems pretty questionable to me.

Also, whatever happened to adding a sysfs file so that scripts (ok let's
be honest, xfstests) could programmatically figure out the capabilities
of the running xfs module?

--D

> +#else
> +# define XFS_ASSERT_FATAL_STRING
> +#endif
> +
>  #ifdef DEBUG
>  # define XFS_DBG_STRING		"debug"
>  #else
> @@ -63,6 +71,8 @@ extern void xfs_qm_exit(void);
>  				XFS_SCRUB_STRING \
>  				XFS_REPAIR_STRING \
>  				XFS_WARN_STRING \
> +				XFS_QUOTA_STRING \
> +				XFS_ASSERT_FATAL_STRING \
>  				XFS_DBG_STRING /* DBG must be last */
>  
>  struct xfs_inode;
> -- 
> 2.7.4
> 



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