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From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: Allison Collins <allison.henderson@oracle.com>
Cc: linux-xfs@vger.kernel.org
Subject: Re: [PATCH v12 8/8] xfs_io: Add delayed attributes error tag
Date: Fri, 28 Aug 2020 09:02:07 -0700	[thread overview]
Message-ID: <20200828160207.GY6096@magnolia> (raw)
In-Reply-To: <20200827003518.1231-9-allison.henderson@oracle.com>

On Wed, Aug 26, 2020 at 05:35:18PM -0700, Allison Collins wrote:
> This patch adds an error tag that we can use to test delayed attribute
> recovery and replay
> 
> Signed-off-by: Allison Henderson <allison.henderson@oracle.com>
> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
> Signed-off-by: Allison Collins <allison.henderson@oracle.com>

FWIW the subject line for this patch ought to start with 'xfs:', not
'xfs_io:'.

--D

> ---
>  fs/xfs/libxfs/xfs_errortag.h | 4 +++-
>  fs/xfs/xfs_attr_item.c       | 8 ++++++++
>  fs/xfs/xfs_error.c           | 3 +++
>  3 files changed, 14 insertions(+), 1 deletion(-)
> 
> diff --git a/fs/xfs/libxfs/xfs_errortag.h b/fs/xfs/libxfs/xfs_errortag.h
> index 53b305d..cb38cbf 100644
> --- a/fs/xfs/libxfs/xfs_errortag.h
> +++ b/fs/xfs/libxfs/xfs_errortag.h
> @@ -56,7 +56,8 @@
>  #define XFS_ERRTAG_FORCE_SUMMARY_RECALC			33
>  #define XFS_ERRTAG_IUNLINK_FALLBACK			34
>  #define XFS_ERRTAG_BUF_IOERROR				35
> -#define XFS_ERRTAG_MAX					36
> +#define XFS_ERRTAG_DELAYED_ATTR				36
> +#define XFS_ERRTAG_MAX					37
>  
>  /*
>   * Random factors for above tags, 1 means always, 2 means 1/2 time, etc.
> @@ -97,5 +98,6 @@
>  #define XFS_RANDOM_FORCE_SUMMARY_RECALC			1
>  #define XFS_RANDOM_IUNLINK_FALLBACK			(XFS_RANDOM_DEFAULT/10)
>  #define XFS_RANDOM_BUF_IOERROR				XFS_RANDOM_DEFAULT
> +#define XFS_RANDOM_DELAYED_ATTR				1
>  
>  #endif /* __XFS_ERRORTAG_H_ */
> diff --git a/fs/xfs/xfs_attr_item.c b/fs/xfs/xfs_attr_item.c
> index 923c288..ed71003 100644
> --- a/fs/xfs/xfs_attr_item.c
> +++ b/fs/xfs/xfs_attr_item.c
> @@ -35,6 +35,8 @@
>  #include "xfs_quota.h"
>  #include "xfs_log_priv.h"
>  #include "xfs_log_recover.h"
> +#include "xfs_error.h"
> +#include "xfs_errortag.h"
>  
>  static const struct xfs_item_ops xfs_attri_item_ops;
>  static const struct xfs_item_ops xfs_attrd_item_ops;
> @@ -310,6 +312,11 @@ xfs_trans_attr(
>  	if (error)
>  		return error;
>  
> +	if (XFS_TEST_ERROR(false, args->dp->i_mount, XFS_ERRTAG_DELAYED_ATTR)) {
> +		error = -EIO;
> +		goto out;
> +	}
> +
>  	switch (op_flags) {
>  	case XFS_ATTR_OP_FLAGS_SET:
>  		args->op_flags |= XFS_DA_OP_ADDNAME;
> @@ -324,6 +331,7 @@ xfs_trans_attr(
>  		break;
>  	}
>  
> +out:
>  	/*
>  	 * Mark the transaction dirty, even on error. This ensures the
>  	 * transaction is aborted, which:
> diff --git a/fs/xfs/xfs_error.c b/fs/xfs/xfs_error.c
> index 7f6e208..fc551cb 100644
> --- a/fs/xfs/xfs_error.c
> +++ b/fs/xfs/xfs_error.c
> @@ -54,6 +54,7 @@ static unsigned int xfs_errortag_random_default[] = {
>  	XFS_RANDOM_FORCE_SUMMARY_RECALC,
>  	XFS_RANDOM_IUNLINK_FALLBACK,
>  	XFS_RANDOM_BUF_IOERROR,
> +	XFS_RANDOM_DELAYED_ATTR,
>  };
>  
>  struct xfs_errortag_attr {
> @@ -164,6 +165,7 @@ XFS_ERRORTAG_ATTR_RW(force_repair,	XFS_ERRTAG_FORCE_SCRUB_REPAIR);
>  XFS_ERRORTAG_ATTR_RW(bad_summary,	XFS_ERRTAG_FORCE_SUMMARY_RECALC);
>  XFS_ERRORTAG_ATTR_RW(iunlink_fallback,	XFS_ERRTAG_IUNLINK_FALLBACK);
>  XFS_ERRORTAG_ATTR_RW(buf_ioerror,	XFS_ERRTAG_BUF_IOERROR);
> +XFS_ERRORTAG_ATTR_RW(delayed_attr,	XFS_ERRTAG_DELAYED_ATTR);
>  
>  static struct attribute *xfs_errortag_attrs[] = {
>  	XFS_ERRORTAG_ATTR_LIST(noerror),
> @@ -202,6 +204,7 @@ static struct attribute *xfs_errortag_attrs[] = {
>  	XFS_ERRORTAG_ATTR_LIST(bad_summary),
>  	XFS_ERRORTAG_ATTR_LIST(iunlink_fallback),
>  	XFS_ERRORTAG_ATTR_LIST(buf_ioerror),
> +	XFS_ERRORTAG_ATTR_LIST(delayed_attr),
>  	NULL,
>  };
>  
> -- 
> 2.7.4
> 

  reply	other threads:[~2020-08-28 16:02 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-27  0:35 [PATCH v12 0/8] xfs: Delayed Attributes Allison Collins
2020-08-27  0:35 ` [PATCH v12 1/8] xfs: Add delay ready attr remove routines Allison Collins
2020-09-01 17:00   ` Brian Foster
2020-09-01 17:20     ` Darrick J. Wong
2020-09-01 18:07       ` Brian Foster
2020-09-01 18:31         ` Darrick J. Wong
2020-09-02 12:22           ` Brian Foster
2020-09-04 23:03             ` Allison Collins
2020-09-08 14:43               ` Brian Foster
2020-08-27  0:35 ` [PATCH v12 2/8] xfs: Add delay ready attr set routines Allison Collins
2020-08-27  0:35 ` [PATCH v12 3/8] xfs: Rename __xfs_attr_rmtval_remove Allison Collins
2020-08-27  0:35 ` [PATCH v12 4/8] xfs: Set up infastructure for deferred attribute operations Allison Collins
2020-08-28 21:27   ` Darrick J. Wong
2020-09-02  0:46     ` Allison Collins
2020-09-02  2:33       ` Allison Collins
2020-08-27  0:35 ` [PATCH v12 5/8] xfs: Add xfs_attr_set_deferred and xfs_attr_remove_deferred Allison Collins
2020-08-27  0:35 ` [PATCH v12 6/8] xfs: Add feature bit XFS_SB_FEAT_INCOMPAT_LOG_DELATTR Allison Collins
2020-08-27  0:35 ` [PATCH v12 7/8] xfs: Enable delayed attributes Allison Collins
2020-08-27  0:35 ` [PATCH v12 8/8] xfs_io: Add delayed attributes error tag Allison Collins
2020-08-28 16:02   ` Darrick J. Wong [this message]
2020-08-28 18:00     ` Allison Collins

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