renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-29 07:34:06 +08:00
Code

nbd: Convert to DEFINE_SHOW_ATTRIBUTE

Browse Source 
Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Liao Pingfang <winndows@163.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Liao Pingfang 2021-02-06 15:10:55 +08:00 committed by Jens Axboe
parent 6751c1e3cf
commit a2d52a6c1b
1 changed files with 4 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
drivers/block/nbd.c
View File

@ -1521,17 +1521,7 @@ 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)
{
@ -1556,17 +1546,7 @@ 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)
{
@ -1584,11 +1564,11 @@ 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;
}