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pktcdvd: Use DEFINE_SHOW_ATTRIBUTE() to simplify code

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Use DEFINE_SHOW_ATTRIBUTE() helper macro to simplify the code.
No functional change.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20230310164549.22133-7-andriy.shevchenko@linux.intel.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Andy Shevchenko 2023-03-10 18:45:46 +02:00 committed by Jens Axboe
parent 93c8f6f38b
commit 80d994d2a7
1 changed files with 3 additions and 20 deletions
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23
drivers/block/pktcdvd.c
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@ -487,24 +487,7 @@ static int pkt_seq_show(struct seq_file *m, void *p)
pd->write_congestion_on);
return 0;
}
static int pkt_debugfs_seq_show(struct seq_file *m, void *p)
{
return pkt_seq_show(m, p);
}
static int pkt_debugfs_fops_open(struct inode *inode, struct file *file)
{
return single_open(file, pkt_debugfs_seq_show, inode->i_private);
}
static const struct file_operations debug_fops = {
.open = pkt_debugfs_fops_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
.owner = THIS_MODULE,
};
DEFINE_SHOW_ATTRIBUTE(pkt_seq);
static void pkt_debugfs_dev_new(struct pktcdvd_device *pd)
{
@ -514,8 +497,8 @@ static void pkt_debugfs_dev_new(struct pktcdvd_device *pd)
if (!pd->dfs_d_root)
return;
pd->dfs_f_info = debugfs_create_file("info", 0444,
pd->dfs_d_root, pd, &debug_fops);
pd->dfs_f_info = debugfs_create_file("info", 0444, pd->dfs_d_root,
pd, &pkt_seq_fops);
}
static void pkt_debugfs_dev_remove(struct pktcdvd_device *pd)