Re: [PATCH 02/10] xfs: replace the BAD_SUMMARY mount flag with the equivalent health code

[Brian Foster <bfoster@redhat.com>]

On Mon, Apr 01, 2019 at 10:10:21AM -0700, Darrick J. Wong wrote:
> From: Darrick J. Wong <darrick.wong@oracle.com>
> 
> Replace the BAD_SUMMARY mount flag with calls to the equivalent health
> tracking code.
> 
> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
> ---

Reviewed-by: Brian Foster <bfoster@redhat.com>

>  fs/xfs/libxfs/xfs_sb.c |    5 +++--
>  fs/xfs/xfs_log.c       |    3 ++-
>  fs/xfs/xfs_mount.c     |    9 ++++-----
>  fs/xfs/xfs_mount.h     |    1 -
>  4 files changed, 9 insertions(+), 9 deletions(-)
> 
> 
> diff --git a/fs/xfs/libxfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c
> index f96b1997938e..f0309b74e377 100644
> --- a/fs/xfs/libxfs/xfs_sb.c
> +++ b/fs/xfs/libxfs/xfs_sb.c
> @@ -30,6 +30,7 @@
>  #include "xfs_refcount_btree.h"
>  #include "xfs_da_format.h"
>  #include "xfs_da_btree.h"
> +#include "xfs_health.h"
>  
>  /*
>   * Physical superblock buffer manipulations. Shared with libxfs in userspace.
> @@ -907,7 +908,7 @@ xfs_initialize_perag_data(
>  	/*
>  	 * If the new summary counts are obviously incorrect, fail the
>  	 * mount operation because that implies the AGFs are also corrupt.
> -	 * Clear BAD_SUMMARY so that we don't unmount with a dirty log, which
> +	 * Clear FS_COUNTERS so that we don't unmount with a dirty log, which
>  	 * will prevent xfs_repair from fixing anything.
>  	 */
>  	if (fdblocks > sbp->sb_dblocks || ifree > ialloc) {
> @@ -925,7 +926,7 @@ xfs_initialize_perag_data(
>  
>  	xfs_reinit_percpu_counters(mp);
>  out:
> -	mp->m_flags &= ~XFS_MOUNT_BAD_SUMMARY;
> +	xfs_fs_mark_healthy(mp, XFS_HEALTH_FS_COUNTERS);
>  	return error;
>  }
>  
> diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
> index c3b610b687d1..0f418842a035 100644
> --- a/fs/xfs/xfs_log.c
> +++ b/fs/xfs/xfs_log.c
> @@ -23,6 +23,7 @@
>  #include "xfs_cksum.h"
>  #include "xfs_sysfs.h"
>  #include "xfs_sb.h"
> +#include "xfs_health.h"
>  
>  kmem_zone_t	*xfs_log_ticket_zone;
>  
> @@ -861,7 +862,7 @@ xfs_log_write_unmount_record(
>  	 * recalculated during log recovery at next mount.  Refer to
>  	 * xlog_check_unmount_rec for more details.
>  	 */
> -	if (XFS_TEST_ERROR((mp->m_flags & XFS_MOUNT_BAD_SUMMARY), mp,
> +	if (XFS_TEST_ERROR(xfs_fs_is_sick(mp, XFS_HEALTH_FS_COUNTERS), mp,
>  			XFS_ERRTAG_FORCE_SUMMARY_RECALC)) {
>  		xfs_alert(mp, "%s: will fix summary counters at next mount",
>  				__func__);
> diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
> index fc1f24dd0386..a43ca655a431 100644
> --- a/fs/xfs/xfs_mount.c
> +++ b/fs/xfs/xfs_mount.c
> @@ -34,6 +34,7 @@
>  #include "xfs_refcount_btree.h"
>  #include "xfs_reflink.h"
>  #include "xfs_extent_busy.h"
> +#include "xfs_health.h"
>  
>  
>  static DEFINE_MUTEX(xfs_uuid_table_mutex);
> @@ -647,7 +648,7 @@ xfs_check_summary_counts(
>  	    (mp->m_sb.sb_fdblocks > mp->m_sb.sb_dblocks ||
>  	     !xfs_verify_icount(mp, mp->m_sb.sb_icount) ||
>  	     mp->m_sb.sb_ifree > mp->m_sb.sb_icount))
> -		mp->m_flags |= XFS_MOUNT_BAD_SUMMARY;
> +		xfs_fs_mark_sick(mp, XFS_HEALTH_FS_COUNTERS);
>  
>  	/*
>  	 * We can safely re-initialise incore superblock counters from the
> @@ -662,7 +663,7 @@ xfs_check_summary_counts(
>  	 */
>  	if ((!xfs_sb_version_haslazysbcount(&mp->m_sb) ||
>  	     XFS_LAST_UNMOUNT_WAS_CLEAN(mp)) &&
> -	    !(mp->m_flags & XFS_MOUNT_BAD_SUMMARY))
> +	    !xfs_fs_is_sick(mp, XFS_HEALTH_FS_COUNTERS))
>  		return 0;
>  
>  	return xfs_initialize_perag_data(mp, mp->m_sb.sb_agcount);
> @@ -1451,7 +1452,5 @@ xfs_force_summary_recalc(
>  	if (!xfs_sb_version_haslazysbcount(&mp->m_sb))
>  		return;
>  
> -	spin_lock(&mp->m_sb_lock);
> -	mp->m_flags |= XFS_MOUNT_BAD_SUMMARY;
> -	spin_unlock(&mp->m_sb_lock);
> +	xfs_fs_mark_sick(mp, XFS_HEALTH_FS_COUNTERS);
>  }
> diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
> index 63bbafb01eb5..6e7728340ca7 100644
> --- a/fs/xfs/xfs_mount.h
> +++ b/fs/xfs/xfs_mount.h
> @@ -211,7 +211,6 @@ typedef struct xfs_mount {
>  						   must be synchronous except
>  						   for space allocations */
>  #define XFS_MOUNT_UNMOUNTING	(1ULL << 1)	/* filesystem is unmounting */
> -#define XFS_MOUNT_BAD_SUMMARY	(1ULL << 2)	/* summary counters are bad */
>  #define XFS_MOUNT_WAS_CLEAN	(1ULL << 3)
>  #define XFS_MOUNT_FS_SHUTDOWN	(1ULL << 4)	/* atomic stop of all filesystem
>  						   operations, typically for
>