On Wed, May 04, 2016 at 05:43:19PM +0200, Carlos Maiolino wrote:
> now most of the infrastructure is in place, we can start adding
> support for configuring specific errors such as ENODEV, ENOSPC, EIO,
> etc. Add these error configurations and configure them all to have
> appropriate behaviours. That is, all will be configured to retry forever by
> default, except for ENODEV, which is an unrecoverable error, so it will be
> configured to not retry on error
>
> Changelog:
>
> V3:
> - Do not implement .fail_speed and .fail_at_unmount
> - .fail_at_unmount will be implemented in a different patch
>
> Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
> Signed-off-by: Carlos Maiolino <cmaiolino@xxxxxxxxxx>
> ---
> fs/xfs/xfs_mount.h | 3 +++
> fs/xfs/xfs_sysfs.c | 20 ++++++++++++++++++++
> 2 files changed, 23 insertions(+)
>
> diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
> index 0382140..e3b3267 100644
> --- a/fs/xfs/xfs_mount.h
> +++ b/fs/xfs/xfs_mount.h
> @@ -49,6 +49,9 @@ enum {
> };
> enum {
> XFS_ERR_DEFAULT,
> + XFS_ERR_EIO,
> + XFS_ERR_ENOSPC,
> + XFS_ERR_ENODEV,
> XFS_ERR_ERRNO_MAX,
> };
>
> diff --git a/fs/xfs/xfs_sysfs.c b/fs/xfs/xfs_sysfs.c
> index c881360..1ed9033 100644
> --- a/fs/xfs/xfs_sysfs.c
> +++ b/fs/xfs/xfs_sysfs.c
> @@ -481,6 +481,17 @@ static const struct xfs_error_init xfs_error_meta_init[XFS_ERR_ERRNO_MAX] = {
> .max_retries = -1,
> .retry_timeout = 0,
> },
> + { .name = "EIO",
> + .max_retries = -1,
> + .retry_timeout = 0,
> + },
> + { .name = "ENOSPC",
> + .max_retries = -1,
> + .retry_timeout = 0,
> + },
> + { .name = "ENODEV",
> + .max_retries = -1,
Shouldn't this be 0?
Brian
> + },
> };
>
> static int
> @@ -578,6 +589,15 @@ xfs_error_get_cfg(
> struct xfs_error_cfg *cfg;
>
> switch (error) {
> + case EIO:
> + cfg = &mp->m_error_cfg[error_class][XFS_ERR_EIO];
> + break;
> + case ENOSPC:
> + cfg = &mp->m_error_cfg[error_class][XFS_ERR_ENOSPC];
> + break;
> + case ENODEV:
> + cfg = &mp->m_error_cfg[error_class][XFS_ERR_ENODEV];
> + break;
> default:
> cfg = &mp->m_error_cfg[error_class][XFS_ERR_DEFAULT];
> break;
> --
> 2.4.11
>
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