From: Allison Henderson <allison.henderson@oracle.com>
To: "Darrick J. Wong" <djwong@kernel.org>
Cc: linux-xfs@vger.kernel.org
Subject: Re: [PATCH v25 10/12] xfs: Add larp debug option
Date: Wed, 1 Dec 2021 00:34:23 -0700 [thread overview]
Message-ID: <fe0fbf1f-96ab-172d-e017-e4100eea7356@oracle.com> (raw)
In-Reply-To: <20211123232948.GY266024@magnolia>
On 11/23/21 4:29 PM, Darrick J. Wong wrote:
> On Tue, Nov 16, 2021 at 09:13:41PM -0700, Allison Henderson wrote:
>> This patch adds a debug 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>
>> Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com>
>
> LOL LARP
> Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Great, thank you!
Allison
>
> --D
>
>> ---
>> fs/xfs/libxfs/xfs_attr.h | 4 ++++
>> fs/xfs/xfs_globals.c | 1 +
>> fs/xfs/xfs_sysctl.h | 1 +
>> fs/xfs/xfs_sysfs.c | 24 ++++++++++++++++++++++++
>> 4 files changed, 30 insertions(+)
>>
>> diff --git a/fs/xfs/libxfs/xfs_attr.h b/fs/xfs/libxfs/xfs_attr.h
>> index 977434f343a1..6f5a150565c7 100644
>> --- a/fs/xfs/libxfs/xfs_attr.h
>> +++ b/fs/xfs/libxfs/xfs_attr.h
>> @@ -30,7 +30,11 @@ struct xfs_attr_list_context;
>>
>> static inline bool xfs_has_larp(struct xfs_mount *mp)
>> {
>> +#ifdef DEBUG
>> + return xfs_globals.larp;
>> +#else
>> return false;
>> +#endif
>> }
>>
>> /*
>> 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 8608f804388f..02a0b55e26b3 100644
>> --- a/fs/xfs/xfs_sysfs.c
>> +++ b/fs/xfs/xfs_sysfs.c
>> @@ -227,6 +227,29 @@ pwork_threads_show(
>> return sysfs_emit(buf, "%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,
>> };
>> --
>> 2.25.1
>>
next prev parent reply other threads:[~2021-12-01 7:34 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-17 4:13 [PATCH v25 00/12] Log Attribute Replay Allison Henderson
2021-11-17 4:13 ` [PATCH v25 01/12] xfs: Fix double unlock in defer capture code Allison Henderson
2021-11-17 4:13 ` [PATCH v25 02/12] xfs: don't commit the first deferred transaction without intents Allison Henderson
2021-11-23 23:28 ` Darrick J. Wong
2021-12-01 7:34 ` Allison Henderson
2021-11-17 4:13 ` [PATCH v25 03/12] xfs: Return from xfs_attr_set_iter if there are no more rmtblks to process Allison Henderson
2021-11-17 4:13 ` [PATCH v25 04/12] xfs: Set up infrastructure for log attribute replay Allison Henderson
2021-11-23 23:50 ` Darrick J. Wong
2021-12-01 7:35 ` Allison Henderson
2021-11-17 4:13 ` [PATCH v25 05/12] xfs: Implement attr logging and replay Allison Henderson
2021-11-24 0:11 ` Darrick J. Wong
2021-12-01 7:34 ` Allison Henderson
2021-12-01 17:52 ` Darrick J. Wong
2021-11-17 4:13 ` [PATCH v25 06/12] xfs: Skip flip flags for delayed attrs Allison Henderson
2021-11-17 4:13 ` [PATCH v25 07/12] xfs: Add xfs_attr_set_deferred and xfs_attr_remove_deferred Allison Henderson
2021-11-17 4:13 ` [PATCH v25 08/12] xfs: Remove unused xfs_attr_*_args Allison Henderson
2021-11-17 4:13 ` [PATCH v25 09/12] xfs: Add log attribute error tag Allison Henderson
2021-11-17 4:13 ` [PATCH v25 10/12] xfs: Add larp debug option Allison Henderson
2021-11-23 23:29 ` Darrick J. Wong
2021-12-01 7:34 ` Allison Henderson [this message]
2021-11-17 4:13 ` [PATCH v25 11/12] xfs: Merge xfs_delattr_context into xfs_attr_item Allison Henderson
2021-11-17 4:13 ` [PATCH v25 12/12] xfs: Add helper function xfs_attr_leaf_addname Allison Henderson
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