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s390: convert to DEFINE_SHOW_ATTRIBUTE

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Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Sebastian Ott <sebott@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Yangtao Li 2018-12-01 22:28:11 -05:00 committed by Martin Schwidefsky
parent 5b39fc049c
commit ca92b93d17
2 changed files with 3 additions and 28 deletions
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15
drivers/s390/block/dasd.c
View File

@ -1192,20 +1192,7 @@ static int dasd_hosts_show(struct seq_file *m, void *v)
return rc;
}
static int dasd_hosts_open(struct inode *inode, struct file *file)
{
struct dasd_device *device = inode->i_private;
return single_open(file, dasd_hosts_show, device);
}
static const struct file_operations dasd_hosts_fops = {
.owner = THIS_MODULE,
.open = dasd_hosts_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
DEFINE_SHOW_ATTRIBUTE(dasd_hosts);
static void dasd_hosts_exit(struct dasd_device *device)
{

16
drivers/s390/cio/qdio_debug.c
View File

@ -190,19 +190,7 @@ static int qstat_show(struct seq_file *m, void *v)
return 0;
}
static int qstat_seq_open(struct inode *inode, struct file *filp)
{
return single_open(filp, qstat_show,
file_inode(filp)->i_private);
}
static const struct file_operations debugfs_fops = {
.owner = THIS_MODULE,
.open = qstat_seq_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
DEFINE_SHOW_ATTRIBUTE(qstat);
static char *qperf_names[] = {
"Assumed adapter interrupts",
@ -306,7 +294,7 @@ static void setup_debugfs_entry(struct qdio_q *q)
q->is_input_q ? "input" : "output",
q->nr);
q->debugfs_q = debugfs_create_file(name, S_IFREG | S_IRUGO | S_IWUSR,
q->irq_ptr->debugfs_dev, q, &debugfs_fops);
q->irq_ptr->debugfs_dev, q, &qstat_fops);
if (IS_ERR(q->debugfs_q))
q->debugfs_q = NULL;
}