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From: Christoph Hellwig <hch@lst.de>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Jens Axboe <axboe@kernel.dk>, Tejun Heo <tj@kernel.org>,
	linux-block@vger.kernel.org, linux-xfs@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 12/13] xfs: convert xfs_errortag attrs to use ->seq_show
Date: Mon, 13 Sep 2021 07:41:20 +0200	[thread overview]
Message-ID: <20210913054121.616001-13-hch@lst.de> (raw)
In-Reply-To: <20210913054121.616001-1-hch@lst.de>

Trivial conversion to the seq_file based sysfs attributes.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 fs/xfs/xfs_error.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/fs/xfs/xfs_error.c b/fs/xfs/xfs_error.c
index 81c445e9489bd..143a1e0b12ffe 100644
--- a/fs/xfs/xfs_error.c
+++ b/fs/xfs/xfs_error.c
@@ -104,22 +104,22 @@ xfs_errortag_attr_store(
 	return count;
 }
 
-STATIC ssize_t
-xfs_errortag_attr_show(
+STATIC int
+xfs_errortag_attr_seq_show(
 	struct kobject		*kobject,
 	struct attribute	*attr,
-	char			*buf)
+	struct seq_file		*sf)
 {
 	struct xfs_mount	*mp = to_mp(kobject);
 	struct xfs_errortag_attr *xfs_attr = to_attr(attr);
 
-	return snprintf(buf, PAGE_SIZE, "%u\n",
-			xfs_errortag_get(mp, xfs_attr->tag));
+	seq_printf(sf, "%u\n", xfs_errortag_get(mp, xfs_attr->tag));
+	return 0;
 }
 
 static const struct sysfs_ops xfs_errortag_sysfs_ops = {
-	.show = xfs_errortag_attr_show,
-	.store = xfs_errortag_attr_store,
+	.seq_show	= xfs_errortag_attr_seq_show,
+	.store		= xfs_errortag_attr_store,
 };
 
 #define XFS_ERRORTAG_ATTR_RW(_name, _tag) \
-- 
2.30.2


  parent reply	other threads:[~2021-09-13  5:58 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-13  5:41 start switching sysfs attributes to expose the seq_file Christoph Hellwig
2021-09-13  5:41 ` [PATCH 01/13] seq_file: mark seq_get_buf as deprecated Christoph Hellwig
2021-09-13 13:19   ` Christian Brauner
2021-09-13 16:22   ` Daniel Wagner
2021-09-13 16:29   ` Tejun Heo
2021-09-13  5:41 ` [PATCH 02/13] kernfs: remove kernfs_create_file and kernfs_create_file_ns Christoph Hellwig
2021-09-13 13:20   ` Christian Brauner
2021-09-13  5:41 ` [PATCH 03/13] kernfs: remove the unused lockdep_key field in struct kernfs_ops Christoph Hellwig
2021-09-13 13:21   ` Christian Brauner
2021-09-13 16:30   ` Tejun Heo
2021-09-13  5:41 ` [PATCH 04/13] sysfs: split out binary attribute handling from sysfs_add_file_mode_ns Christoph Hellwig
2021-09-13 13:26   ` Christian Brauner
2021-09-13  5:41 ` [PATCH 05/13] sysfs: refactor sysfs_add_file_mode_ns Christoph Hellwig
2021-09-13 13:27   ` Christian Brauner
2021-09-13  5:41 ` [PATCH 06/13] sysfs: simplify sysfs_kf_seq_show Christoph Hellwig
2021-09-13  5:41 ` [PATCH 07/13] sysfs: add ->seq_show support to sysfs_ops Christoph Hellwig
2021-09-13 13:30   ` Christian Brauner
2021-09-13  5:41 ` [PATCH 08/13] block: convert the blk_mq_hw_ctx attrs to use ->seq_show Christoph Hellwig
2021-09-13  5:41 ` [PATCH 09/13] block: convert the blk_integrity " Christoph Hellwig
2021-09-13  5:41 ` [PATCH 10/13] block: convert the request_queue " Christoph Hellwig
2021-09-13  5:41 ` [PATCH 11/13] block: convert the elevator_queue " Christoph Hellwig
2021-09-13  5:41 ` Christoph Hellwig [this message]
2021-09-13  5:41 ` [PATCH 13/13] xfs: convert xfs_sysfs " Christoph Hellwig
2021-09-13  6:27   ` Greg Kroah-Hartman
2021-09-14  1:20     ` Dave Chinner
2021-09-14  5:12       ` Greg Kroah-Hartman
2021-09-14 10:56         ` Dave Chinner
2021-09-14  7:30     ` Christoph Hellwig
2021-09-14 15:28       ` Greg Kroah-Hartman
2021-09-14 15:30         ` Christoph Hellwig
2021-09-14 15:41           ` Greg Kroah-Hartman
2021-09-15  7:04             ` Christoph Hellwig
2021-09-15  7:07               ` Greg Kroah-Hartman
2021-09-13 16:39 ` start switching sysfs attributes to expose the seq_file Bart Van Assche
2021-09-13 16:46   ` Greg Kroah-Hartman
2021-09-14  2:53     ` Bart Van Assche
2021-09-13 16:46 ` Tejun Heo

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