diff options
| author | Liu Shixin <liushixin2@huawei.com> | 2022-09-15 04:34:24 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-09-22 03:49:24 +0200 |
| commit | 8ef859995dbcc5bdc4b0707c9130e130f53c1b08 (patch) | |
| tree | 9dd1aff1545fbdecab672c74d65e419b7a76807e /drivers/block/aoe/aoeblk.c | |
| parent | block: move from strlcpy with unused retval to strscpy (diff) | |
| download | linux-8ef859995dbcc5bdc4b0707c9130e130f53c1b08.tar.xz linux-8ef859995dbcc5bdc4b0707c9130e130f53c1b08.zip | |
block: aoe: use DEFINE_SHOW_ATTRIBUTE to simplify aoe_debugfs
Use DEFINE_SHOW_ATTRIBUTE helper macro to simplify the code.
Signed-off-by: Liu Shixin <liushixin2@huawei.com>
Link: https://lore.kernel.org/r/20220915023424.3198940-1-liushixin2@huawei.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to '')
| -rw-r--r-- | drivers/block/aoe/aoeblk.c | 15 |
1 files changed, 2 insertions, 13 deletions
diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c index 12b3ca8f6f4a..128722cf6c3c 100644 --- a/drivers/block/aoe/aoeblk.c +++ b/drivers/block/aoe/aoeblk.c @@ -108,7 +108,7 @@ static ssize_t aoedisk_show_payload(struct device *dev, return sysfs_emit(page, "%lu\n", d->maxbcnt); } -static int aoedisk_debugfs_show(struct seq_file *s, void *ignored) +static int aoe_debugfs_show(struct seq_file *s, void *ignored) { struct aoedev *d; struct aoetgt **t, **te; @@ -151,11 +151,7 @@ static int aoedisk_debugfs_show(struct seq_file *s, void *ignored) return 0; } - -static int aoe_debugfs_open(struct inode *inode, struct file *file) -{ - return single_open(file, aoedisk_debugfs_show, inode->i_private); -} +DEFINE_SHOW_ATTRIBUTE(aoe_debugfs); static DEVICE_ATTR(state, 0444, aoedisk_show_state, NULL); static DEVICE_ATTR(mac, 0444, aoedisk_show_mac, NULL); @@ -184,13 +180,6 @@ static const struct attribute_group *aoe_attr_groups[] = { NULL, }; -static const struct file_operations aoe_debugfs_fops = { - .open = aoe_debugfs_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - static void aoedisk_add_debugfs(struct aoedev *d) { |