From: winndows@163.com
To: josef@toxicpanda.com, axboe@kernel.dk
Cc: linux-block@vger.kernel.org, nbd@other.debian.org,
linux-kernel@vger.kernel.org, Liao Pingfang <winndows@163.com>
Subject: [PATCH] nbd: Convert to DEFINE_SHOW_ATTRIBUTE
Date: Sat, 6 Feb 2021 15:10:55 +0800 [thread overview]
Message-ID: <1612595455-4050-1-git-send-email-winndows@163.com> (raw)
From: Liao Pingfang <winndows@163.com>
Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.
Signed-off-by: Liao Pingfang <winndows@163.com>
---
drivers/block/nbd.c | 28 ++++------------------------
1 file changed, 4 insertions(+), 24 deletions(-)
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index e6ea5d3..8b9622e 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -1529,17 +1529,7 @@ static int nbd_dbg_tasks_show(struct seq_file *s, void *unused)
return 0;
}
-static int nbd_dbg_tasks_open(struct inode *inode, struct file *file)
-{
- return single_open(file, nbd_dbg_tasks_show, inode->i_private);
-}
-
-static const struct file_operations nbd_dbg_tasks_ops = {
- .open = nbd_dbg_tasks_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(nbd_dbg_tasks);
static int nbd_dbg_flags_show(struct seq_file *s, void *unused)
{
@@ -1564,17 +1554,7 @@ static int nbd_dbg_flags_show(struct seq_file *s, void *unused)
return 0;
}
-static int nbd_dbg_flags_open(struct inode *inode, struct file *file)
-{
- return single_open(file, nbd_dbg_flags_show, inode->i_private);
-}
-
-static const struct file_operations nbd_dbg_flags_ops = {
- .open = nbd_dbg_flags_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(nbd_dbg_flags);
static int nbd_dev_dbg_init(struct nbd_device *nbd)
{
@@ -1592,11 +1572,11 @@ static int nbd_dev_dbg_init(struct nbd_device *nbd)
}
config->dbg_dir = dir;
- debugfs_create_file("tasks", 0444, dir, nbd, &nbd_dbg_tasks_ops);
+ debugfs_create_file("tasks", 0444, dir, nbd, &nbd_dbg_tasks_fops);
debugfs_create_u64("size_bytes", 0444, dir, &config->bytesize);
debugfs_create_u32("timeout", 0444, dir, &nbd->tag_set.timeout);
debugfs_create_u64("blocksize", 0444, dir, &config->blksize);
- debugfs_create_file("flags", 0444, dir, nbd, &nbd_dbg_flags_ops);
+ debugfs_create_file("flags", 0444, dir, nbd, &nbd_dbg_flags_fops);
return 0;
}
--
1.8.3.1
next reply other threads:[~2021-02-06 7:13 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-06 7:10 winndows [this message]
2021-02-10 15:56 ` [PATCH] nbd: Convert to DEFINE_SHOW_ATTRIBUTE Josef Bacik
2021-02-10 16:39 ` Jens Axboe
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1612595455-4050-1-git-send-email-winndows@163.com \
--to=winndows@163.com \
--cc=axboe@kernel.dk \
--cc=josef@toxicpanda.com \
--cc=linux-block@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=nbd@other.debian.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.