From: Allison Henderson <allison.henderson@oracle.com>
To: "Darrick J. Wong" <djwong@kernel.org>
Cc: linux-xfs@vger.kernel.org
Subject: Re: [PATCH v21 11/13] xfs: Add delattr mount option
Date: Fri, 9 Jul 2021 12:56:31 -0700 [thread overview]
Message-ID: <add0c859-2f06-3ed6-8232-ad48d8e55cac@oracle.com> (raw)
In-Reply-To: <20210709041407.GP11588@locust>
On 7/8/21 9:14 PM, Darrick J. Wong wrote:
> On Wed, Jul 07, 2021 at 03:21:09PM -0700, Allison Henderson wrote:
>> This patch adds a mount option to enable delayed attributes. 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_mount.h | 1 +
>> fs/xfs/xfs_super.c | 6 +++++-
>> fs/xfs/xfs_xattr.c | 2 ++
>> 4 files changed, 9 insertions(+), 2 deletions(-)
>>
>> diff --git a/fs/xfs/libxfs/xfs_attr.h b/fs/xfs/libxfs/xfs_attr.h
>> index 859dbef..5141958 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_hasdelattr(struct xfs_mount *mp)
>> {
>> - return false;
>> + return mp->m_flags & XFS_MOUNT_DELATTR;
>> }
>>
>> /*
>> diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
>> index 66a47f5..2945868 100644
>> --- a/fs/xfs/xfs_mount.h
>> +++ b/fs/xfs/xfs_mount.h
>> @@ -257,6 +257,7 @@ typedef struct xfs_mount {
>> #define XFS_MOUNT_NOATTR2 (1ULL << 25) /* disable use of attr2 format */
>> #define XFS_MOUNT_DAX_ALWAYS (1ULL << 26)
>> #define XFS_MOUNT_DAX_NEVER (1ULL << 27)
>> +#define XFS_MOUNT_DELATTR (1ULL << 28) /* enable delayed attributes */
>>
>> /*
>> * Max and min values for mount-option defined I/O
>> diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
>> index c30b077..1a7edae 100644
>> --- a/fs/xfs/xfs_super.c
>> +++ b/fs/xfs/xfs_super.c
>> @@ -94,7 +94,7 @@ enum {
>> Opt_filestreams, Opt_quota, Opt_noquota, Opt_usrquota, Opt_grpquota,
>> Opt_prjquota, Opt_uquota, Opt_gquota, Opt_pquota,
>> Opt_uqnoenforce, Opt_gqnoenforce, Opt_pqnoenforce, Opt_qnoenforce,
>> - Opt_discard, Opt_nodiscard, Opt_dax, Opt_dax_enum,
>> + Opt_discard, Opt_nodiscard, Opt_dax, Opt_dax_enum, Opt_delattr
>> };
>>
>> static const struct fs_parameter_spec xfs_fs_parameters[] = {
>> @@ -139,6 +139,7 @@ static const struct fs_parameter_spec xfs_fs_parameters[] = {
>> fsparam_flag("nodiscard", Opt_nodiscard),
>> fsparam_flag("dax", Opt_dax),
>> fsparam_enum("dax", Opt_dax_enum, dax_param_enums),
>> + fsparam_flag("delattr", Opt_delattr),
>> {}
>> };
>>
>> @@ -1277,6 +1278,9 @@ xfs_fs_parse_param(
>> xfs_mount_set_dax_mode(parsing_mp, result.uint_32);
>> return 0;
>> #endif
>> + case Opt_delattr:
>> + parsing_mp->m_flags |= XFS_MOUNT_DELATTR;
>> + return 0;
>
> Can we restrict this to CONFIG_XFS_DEBUG=y or at least log the usual
>
> "EXPERIMENTAL logged xattrs feature in use, use at your orkgs!"
>
> message at mount?
Sure, will add that in. Thx!
Allison
>
> --D
>
>> /* Following mount options will be removed in September 2025 */
>> case Opt_ikeep:
>> xfs_fs_warn_deprecated(fc, param, XFS_MOUNT_IKEEP, true);
>> diff --git a/fs/xfs/xfs_xattr.c b/fs/xfs/xfs_xattr.c
>> index 66b334f..7335423 100644
>> --- a/fs/xfs/xfs_xattr.c
>> +++ b/fs/xfs/xfs_xattr.c
>> @@ -8,6 +8,8 @@
>> #include "xfs_shared.h"
>> #include "xfs_format.h"
>> #include "xfs_log_format.h"
>> +#include "xfs_trans_resv.h"
>> +#include "xfs_mount.h"
>> #include "xfs_da_format.h"
>> #include "xfs_trans_resv.h"
>> #include "xfs_mount.h"
>> --
>> 2.7.4
>>
next prev parent reply other threads:[~2021-07-09 19:56 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-07 22:20 [PATCH v21 00/13] Delayed Attributes Allison Henderson
2021-07-07 22:20 ` [PATCH v21 01/13] xfs: Return from xfs_attr_set_iter if there are no more rmtblks to process Allison Henderson
2021-07-09 4:05 ` Darrick J. Wong
2021-07-09 19:56 ` Allison Henderson
2021-07-07 22:21 ` [PATCH v21 02/13] xfs: Add state machine tracepoints Allison Henderson
2021-07-07 22:21 ` [PATCH v21 03/13] xfs: Rename __xfs_attr_rmtval_remove Allison Henderson
2021-07-07 22:21 ` [PATCH v21 04/13] xfs: Handle krealloc errors in xlog_recover_add_to_cont_trans Allison Henderson
2021-07-09 4:09 ` Darrick J. Wong
2021-07-09 19:56 ` Allison Henderson
2021-07-07 22:21 ` [PATCH v21 05/13] xfs: Set up infrastructure for deferred attribute operations Allison Henderson
2021-07-10 0:39 ` Darrick J. Wong
2021-07-13 18:52 ` Allison Henderson
2021-07-07 22:21 ` [PATCH v21 06/13] xfs: Implement attr logging and replay Allison Henderson
2021-07-10 1:08 ` Darrick J. Wong
2021-07-13 18:52 ` Allison Henderson
2021-07-07 22:21 ` [PATCH v21 07/13] RFC xfs: Skip flip flags for delayed attrs Allison Henderson
2021-07-07 22:21 ` [PATCH v21 08/13] xfs: Add xfs_attr_set_deferred and xfs_attr_remove_deferred Allison Henderson
2021-07-07 22:21 ` [PATCH v21 09/13] xfs: Remove unused xfs_attr_*_args Allison Henderson
2021-07-07 22:21 ` [PATCH v21 10/13] xfs: Add delayed attributes error tag Allison Henderson
2021-07-07 22:21 ` [PATCH v21 11/13] xfs: Add delattr mount option Allison Henderson
2021-07-09 4:14 ` Darrick J. Wong
2021-07-09 19:56 ` Allison Henderson [this message]
2021-07-07 22:21 ` [PATCH v21 12/13] xfs: Merge xfs_delattr_context into xfs_attr_item Allison Henderson
2021-07-07 22:21 ` [PATCH v21 13/13] xfs: Add helper function xfs_attr_leaf_addname Allison Henderson
2021-07-09 4:17 ` Darrick J. Wong
2021-07-09 19:56 ` Allison Henderson
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