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proc: introduce proc_create_single{,_data}

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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 <hch@lst.de>
This commit is contained in:
Christoph Hellwig
2018-05-15 15:57:23 +02:00
parent 44414d82cf
commit 3f3942aca6
85 changed files with 235 additions and 1509 deletions
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28
arch/mips/pci/ops-pmcmsp.c
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@@ -83,18 +83,6 @@ static int show_msp_pci_counts(struct seq_file *m, void *v)
return 0;
}
static int msp_pci_rd_cnt_open(struct inode *inode, struct file *file)
{
return single_open(file, show_msp_pci_counts, NULL);
}
static const struct file_operations msp_pci_rd_cnt_fops = {
.open = msp_pci_rd_cnt_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
/*****************************************************************************
*
* FUNCTION: gen_pci_cfg_wr_show
@@ -160,18 +148,6 @@ static int gen_pci_cfg_wr_show(struct seq_file *m, void *v)
return 0;
}
static int gen_pci_cfg_wr_open(struct inode *inode, struct file *file)
{
return single_open(file, gen_pci_cfg_wr_show, NULL);
}
static const struct file_operations gen_pci_cfg_wr_fops = {
.open = gen_pci_cfg_wr_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
/*****************************************************************************
*
* FUNCTION: pci_proc_init
@@ -188,8 +164,8 @@ static const struct file_operations gen_pci_cfg_wr_fops = {
****************************************************************************/
static void pci_proc_init(void)
{
proc_create("pmc_msp_pci_rd_cnt", 0, NULL, &msp_pci_rd_cnt_fops);
proc_create("pmc_msp_pci_cfg_wr", 0, NULL, &gen_pci_cfg_wr_fops);
proc_create_single("pmc_msp_pci_rd_cnt", 0, NULL, show_msp_pci_counts);
proc_create_single("pmc_msp_pci_cfg_wr", 0, NULL, gen_pci_cfg_wr_show);
}
#endif /* CONFIG_PROC_FS && PCI_COUNTERS */