On Mon, Sep 16, 2019 at 09:24:06AM -0700, Darrick J. Wong wrote:
> 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 <yuku...@huawei.com>
> > ---
> > 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.
Answer: There are already string components with spaces.
Reviewed-by: Darrick J. Wong <darrick.w...@oracle.com>
--D
> 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
> >
