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xfs: add configuration handlers for specific errors 

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

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Carlos Maiolino <cmaiolino@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Carlos Maiolino 2016-05-18 11:09:28 +10:00 committed by Dave Chinner
parent a5ea70d25d
commit e0a431b3a3
2 changed files with 24 additions and 1 deletions
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3
fs/xfs/xfs_mount.h
View File

@ -49,6 +49,9 @@ enum {
};
enum {
XFS_ERR_DEFAULT,
XFS_ERR_EIO,
XFS_ERR_ENOSPC,
XFS_ERR_ENODEV,
XFS_ERR_ERRNO_MAX,
};

22
fs/xfs/xfs_sysfs.c
View File

@ -478,9 +478,20 @@ struct xfs_error_init {
static const struct xfs_error_init xfs_error_meta_init[XFS_ERR_ERRNO_MAX] = {
{ .name = "default",
.max_retries = -1,
.max_retries = XFS_ERR_RETRY_FOREVER,
.retry_timeout = 0,
},
{ .name = "EIO",
.max_retries = XFS_ERR_RETRY_FOREVER,
.retry_timeout = 0,
},
{ .name = "ENOSPC",
.max_retries = XFS_ERR_RETRY_FOREVER,
.retry_timeout = 0,
},
{ .name = "ENODEV",
.max_retries = 0,
},
};
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;