diff mbox series

[v24,09/11] xfs: Add larp debug option

Message ID 20210824224434.968720-10-allison.henderson@oracle.com (mailing list archive)
State Superseded
Headers show
Series Log Attribute Replay | expand

Commit Message

Allison Henderson Aug. 24, 2021, 10:44 p.m. UTC
This patch adds a mount option to enable log attribute replay. Eventually
this can be removed when delayed attrs becomes permanent.

Signed-off-by: Allison Henderson <allison.henderson@oracle.com>
---
 fs/xfs/libxfs/xfs_attr.h |  2 +-
 fs/xfs/xfs_globals.c     |  1 +
 fs/xfs/xfs_sysctl.h      |  1 +
 fs/xfs/xfs_sysfs.c       | 24 ++++++++++++++++++++++++
 4 files changed, 27 insertions(+), 1 deletion(-)

Comments

Chandan Babu R Aug. 30, 2021, 12:03 p.m. UTC | #1
On 25 Aug 2021 at 04:14, Allison Henderson wrote:
> This patch adds a mount option to enable log attribute replay. Eventually

s/mount option/debug option//

> this can be removed when delayed attrs becomes permanent.

The rest looks good to me.

Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com>

>
> Signed-off-by: Allison Henderson <allison.henderson@oracle.com>
> ---
>  fs/xfs/libxfs/xfs_attr.h |  2 +-
>  fs/xfs/xfs_globals.c     |  1 +
>  fs/xfs/xfs_sysctl.h      |  1 +
>  fs/xfs/xfs_sysfs.c       | 24 ++++++++++++++++++++++++
>  4 files changed, 27 insertions(+), 1 deletion(-)
>
> diff --git a/fs/xfs/libxfs/xfs_attr.h b/fs/xfs/libxfs/xfs_attr.h
> index efb7ac4fc41c..492762541174 100644
> --- a/fs/xfs/libxfs/xfs_attr.h
> +++ b/fs/xfs/libxfs/xfs_attr.h
> @@ -30,7 +30,7 @@ struct xfs_attr_list_context;
>  
>  static inline bool xfs_has_larp(struct xfs_mount *mp)
>  {
> -	return false;
> +	return xfs_globals.larp;
>  }
>  
>  /*
> diff --git a/fs/xfs/xfs_globals.c b/fs/xfs/xfs_globals.c
> index f62fa652c2fd..4d0a98f920ca 100644
> --- a/fs/xfs/xfs_globals.c
> +++ b/fs/xfs/xfs_globals.c
> @@ -41,5 +41,6 @@ struct xfs_globals xfs_globals = {
>  #endif
>  #ifdef DEBUG
>  	.pwork_threads		=	-1,	/* automatic thread detection */
> +	.larp			=	false,	/* log attribute replay */
>  #endif
>  };
> diff --git a/fs/xfs/xfs_sysctl.h b/fs/xfs/xfs_sysctl.h
> index 7692e76ead33..f78ad6b10ea5 100644
> --- a/fs/xfs/xfs_sysctl.h
> +++ b/fs/xfs/xfs_sysctl.h
> @@ -83,6 +83,7 @@ extern xfs_param_t	xfs_params;
>  struct xfs_globals {
>  #ifdef DEBUG
>  	int	pwork_threads;		/* parallel workqueue threads */
> +	bool	larp;			/* log attribute replay */
>  #endif
>  	int	log_recovery_delay;	/* log recovery delay (secs) */
>  	int	mount_delay;		/* mount setup delay (secs) */
> diff --git a/fs/xfs/xfs_sysfs.c b/fs/xfs/xfs_sysfs.c
> index 18dc5eca6c04..74180e05e8ed 100644
> --- a/fs/xfs/xfs_sysfs.c
> +++ b/fs/xfs/xfs_sysfs.c
> @@ -227,6 +227,29 @@ pwork_threads_show(
>  	return snprintf(buf, PAGE_SIZE, "%d\n", xfs_globals.pwork_threads);
>  }
>  XFS_SYSFS_ATTR_RW(pwork_threads);
> +
> +static ssize_t
> +larp_store(
> +	struct kobject	*kobject,
> +	const char	*buf,
> +	size_t		count)
> +{
> +	ssize_t		ret;
> +
> +	ret = kstrtobool(buf, &xfs_globals.larp);
> +	if (ret < 0)
> +		return ret;
> +	return count;
> +}
> +
> +STATIC ssize_t
> +larp_show(
> +	struct kobject	*kobject,
> +	char		*buf)
> +{
> +	return snprintf(buf, PAGE_SIZE, "%d\n", xfs_globals.larp);
> +}
> +XFS_SYSFS_ATTR_RW(larp);
>  #endif /* DEBUG */
>  
>  static struct attribute *xfs_dbg_attrs[] = {
> @@ -236,6 +259,7 @@ static struct attribute *xfs_dbg_attrs[] = {
>  	ATTR_LIST(always_cow),
>  #ifdef DEBUG
>  	ATTR_LIST(pwork_threads),
> +	ATTR_LIST(larp),
>  #endif
>  	NULL,
>  };
Allison Henderson Aug. 31, 2021, 6:12 p.m. UTC | #2
On 8/30/21 5:03 AM, Chandan Babu R wrote:
> On 25 Aug 2021 at 04:14, Allison Henderson wrote:
>> This patch adds a mount option to enable log attribute replay. Eventually
> 
> s/mount option/debug option//
Ok, will fix.

> 
>> this can be removed when delayed attrs becomes permanent.
> 
> The rest looks good to me.
> 
> Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com>
Thanks!
Allison

> 
>>
>> Signed-off-by: Allison Henderson <allison.henderson@oracle.com>
>> ---
>>   fs/xfs/libxfs/xfs_attr.h |  2 +-
>>   fs/xfs/xfs_globals.c     |  1 +
>>   fs/xfs/xfs_sysctl.h      |  1 +
>>   fs/xfs/xfs_sysfs.c       | 24 ++++++++++++++++++++++++
>>   4 files changed, 27 insertions(+), 1 deletion(-)
>>
>> diff --git a/fs/xfs/libxfs/xfs_attr.h b/fs/xfs/libxfs/xfs_attr.h
>> index efb7ac4fc41c..492762541174 100644
>> --- a/fs/xfs/libxfs/xfs_attr.h
>> +++ b/fs/xfs/libxfs/xfs_attr.h
>> @@ -30,7 +30,7 @@ struct xfs_attr_list_context;
>>   
>>   static inline bool xfs_has_larp(struct xfs_mount *mp)
>>   {
>> -	return false;
>> +	return xfs_globals.larp;
>>   }
>>   
>>   /*
>> diff --git a/fs/xfs/xfs_globals.c b/fs/xfs/xfs_globals.c
>> index f62fa652c2fd..4d0a98f920ca 100644
>> --- a/fs/xfs/xfs_globals.c
>> +++ b/fs/xfs/xfs_globals.c
>> @@ -41,5 +41,6 @@ struct xfs_globals xfs_globals = {
>>   #endif
>>   #ifdef DEBUG
>>   	.pwork_threads		=	-1,	/* automatic thread detection */
>> +	.larp			=	false,	/* log attribute replay */
>>   #endif
>>   };
>> diff --git a/fs/xfs/xfs_sysctl.h b/fs/xfs/xfs_sysctl.h
>> index 7692e76ead33..f78ad6b10ea5 100644
>> --- a/fs/xfs/xfs_sysctl.h
>> +++ b/fs/xfs/xfs_sysctl.h
>> @@ -83,6 +83,7 @@ extern xfs_param_t	xfs_params;
>>   struct xfs_globals {
>>   #ifdef DEBUG
>>   	int	pwork_threads;		/* parallel workqueue threads */
>> +	bool	larp;			/* log attribute replay */
>>   #endif
>>   	int	log_recovery_delay;	/* log recovery delay (secs) */
>>   	int	mount_delay;		/* mount setup delay (secs) */
>> diff --git a/fs/xfs/xfs_sysfs.c b/fs/xfs/xfs_sysfs.c
>> index 18dc5eca6c04..74180e05e8ed 100644
>> --- a/fs/xfs/xfs_sysfs.c
>> +++ b/fs/xfs/xfs_sysfs.c
>> @@ -227,6 +227,29 @@ pwork_threads_show(
>>   	return snprintf(buf, PAGE_SIZE, "%d\n", xfs_globals.pwork_threads);
>>   }
>>   XFS_SYSFS_ATTR_RW(pwork_threads);
>> +
>> +static ssize_t
>> +larp_store(
>> +	struct kobject	*kobject,
>> +	const char	*buf,
>> +	size_t		count)
>> +{
>> +	ssize_t		ret;
>> +
>> +	ret = kstrtobool(buf, &xfs_globals.larp);
>> +	if (ret < 0)
>> +		return ret;
>> +	return count;
>> +}
>> +
>> +STATIC ssize_t
>> +larp_show(
>> +	struct kobject	*kobject,
>> +	char		*buf)
>> +{
>> +	return snprintf(buf, PAGE_SIZE, "%d\n", xfs_globals.larp);
>> +}
>> +XFS_SYSFS_ATTR_RW(larp);
>>   #endif /* DEBUG */
>>   
>>   static struct attribute *xfs_dbg_attrs[] = {
>> @@ -236,6 +259,7 @@ static struct attribute *xfs_dbg_attrs[] = {
>>   	ATTR_LIST(always_cow),
>>   #ifdef DEBUG
>>   	ATTR_LIST(pwork_threads),
>> +	ATTR_LIST(larp),
>>   #endif
>>   	NULL,
>>   };
> 
>
diff mbox series

Patch

diff --git a/fs/xfs/libxfs/xfs_attr.h b/fs/xfs/libxfs/xfs_attr.h
index efb7ac4fc41c..492762541174 100644
--- a/fs/xfs/libxfs/xfs_attr.h
+++ b/fs/xfs/libxfs/xfs_attr.h
@@ -30,7 +30,7 @@  struct xfs_attr_list_context;
 
 static inline bool xfs_has_larp(struct xfs_mount *mp)
 {
-	return false;
+	return xfs_globals.larp;
 }
 
 /*
diff --git a/fs/xfs/xfs_globals.c b/fs/xfs/xfs_globals.c
index f62fa652c2fd..4d0a98f920ca 100644
--- a/fs/xfs/xfs_globals.c
+++ b/fs/xfs/xfs_globals.c
@@ -41,5 +41,6 @@  struct xfs_globals xfs_globals = {
 #endif
 #ifdef DEBUG
 	.pwork_threads		=	-1,	/* automatic thread detection */
+	.larp			=	false,	/* log attribute replay */
 #endif
 };
diff --git a/fs/xfs/xfs_sysctl.h b/fs/xfs/xfs_sysctl.h
index 7692e76ead33..f78ad6b10ea5 100644
--- a/fs/xfs/xfs_sysctl.h
+++ b/fs/xfs/xfs_sysctl.h
@@ -83,6 +83,7 @@  extern xfs_param_t	xfs_params;
 struct xfs_globals {
 #ifdef DEBUG
 	int	pwork_threads;		/* parallel workqueue threads */
+	bool	larp;			/* log attribute replay */
 #endif
 	int	log_recovery_delay;	/* log recovery delay (secs) */
 	int	mount_delay;		/* mount setup delay (secs) */
diff --git a/fs/xfs/xfs_sysfs.c b/fs/xfs/xfs_sysfs.c
index 18dc5eca6c04..74180e05e8ed 100644
--- a/fs/xfs/xfs_sysfs.c
+++ b/fs/xfs/xfs_sysfs.c
@@ -227,6 +227,29 @@  pwork_threads_show(
 	return snprintf(buf, PAGE_SIZE, "%d\n", xfs_globals.pwork_threads);
 }
 XFS_SYSFS_ATTR_RW(pwork_threads);
+
+static ssize_t
+larp_store(
+	struct kobject	*kobject,
+	const char	*buf,
+	size_t		count)
+{
+	ssize_t		ret;
+
+	ret = kstrtobool(buf, &xfs_globals.larp);
+	if (ret < 0)
+		return ret;
+	return count;
+}
+
+STATIC ssize_t
+larp_show(
+	struct kobject	*kobject,
+	char		*buf)
+{
+	return snprintf(buf, PAGE_SIZE, "%d\n", xfs_globals.larp);
+}
+XFS_SYSFS_ATTR_RW(larp);
 #endif /* DEBUG */
 
 static struct attribute *xfs_dbg_attrs[] = {
@@ -236,6 +259,7 @@  static struct attribute *xfs_dbg_attrs[] = {
 	ATTR_LIST(always_cow),
 #ifdef DEBUG
 	ATTR_LIST(pwork_threads),
+	ATTR_LIST(larp),
 #endif
 	NULL,
 };