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proc: introduce proc_create_single{,_data}

Browse source 
Variants of proc_create{,_data} that directly take a seq_file show
callback and drastically reduces the boilerplate code in the callers.

All trivial callers converted over.

Signed-off-by: Christoph Hellwig <[email protected]>
This commit is contained in:
Christoph Hellwig 2018-05-15 15:57:23 +02:00
commit 3f3942aca6
85 changed files with 235 additions and 1509 deletions
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14
kernel/dma.c
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@ -135,21 +135,9 @@ static int proc_dma_show(struct seq_file *m, void *v)
}
#endif /* MAX_DMA_CHANNELS */
static int proc_dma_open(struct inode *inode, struct file *file)
{
return single_open(file, proc_dma_show, NULL);
}
static const struct file_operations proc_dma_operations = {
.open = proc_dma_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static int __init proc_dma_init(void)
{
proc_create("dma", 0, NULL, &proc_dma_operations);
proc_create_single("dma", 0, NULL, proc_dma_show);
return 0;
}