diff options
| author | Christoph Hellwig <hch@lst.de> | 2018-05-15 15:57:23 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2018-05-16 07:23:35 +0200 |
| commit | 3f3942aca6da351a12543aa776467791b63b3a78 (patch) | |
| tree | 31030e086ea36920e07078ea2289b9b72c0b2939 /arch/arm | |
| parent | proc: introduce proc_create_seq_private (diff) | |
| download | linux-3f3942aca6da351a12543aa776467791b63b3a78.tar.xz linux-3f3942aca6da351a12543aa776467791b63b3a78.zip | |
proc: introduce proc_create_single{,_data}
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>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/kernel/dma.c | 14 | ||||
| -rw-r--r-- | arch/arm/kernel/swp_emulate.c | 15 | ||||
| -rw-r--r-- | arch/arm/mach-rpc/ecard.c | 16 |
3 files changed, 5 insertions, 40 deletions
diff --git a/arch/arm/kernel/dma.c b/arch/arm/kernel/dma.c index e651c4d0a0d9..6739d37c2bc5 100644 --- a/arch/arm/kernel/dma.c +++ b/arch/arm/kernel/dma.c @@ -276,21 +276,9 @@ static int proc_dma_show(struct seq_file *m, void *v) return 0; } -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; } diff --git a/arch/arm/kernel/swp_emulate.c b/arch/arm/kernel/swp_emulate.c index 3bda08bee674..6e971e114879 100644 --- a/arch/arm/kernel/swp_emulate.c +++ b/arch/arm/kernel/swp_emulate.c @@ -91,18 +91,6 @@ static int proc_status_show(struct seq_file *m, void *v) seq_printf(m, "Last process:\t\t%d\n", previous_pid); return 0; } - -static int proc_status_open(struct inode *inode, struct file *file) -{ - return single_open(file, proc_status_show, PDE_DATA(inode)); -} - -static const struct file_operations proc_status_fops = { - .open = proc_status_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; #endif /* @@ -260,7 +248,8 @@ static int __init swp_emulation_init(void) return 0; #ifdef CONFIG_PROC_FS - if (!proc_create("cpu/swp_emulation", S_IRUGO, NULL, &proc_status_fops)) + if (!proc_create_single("cpu/swp_emulation", S_IRUGO, NULL, + proc_status_show)) return -ENOMEM; #endif /* CONFIG_PROC_FS */ diff --git a/arch/arm/mach-rpc/ecard.c b/arch/arm/mach-rpc/ecard.c index bdb5ec1cf560..39aef4876ed4 100644 --- a/arch/arm/mach-rpc/ecard.c +++ b/arch/arm/mach-rpc/ecard.c @@ -657,25 +657,13 @@ static int ecard_devices_proc_show(struct seq_file *m, void *v) return 0; } -static int ecard_devices_proc_open(struct inode *inode, struct file *file) -{ - return single_open(file, ecard_devices_proc_show, NULL); -} - -static const struct file_operations bus_ecard_proc_fops = { - .owner = THIS_MODULE, - .open = ecard_devices_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - static struct proc_dir_entry *proc_bus_ecard_dir = NULL; static void ecard_proc_init(void) { proc_bus_ecard_dir = proc_mkdir("bus/ecard", NULL); - proc_create("devices", 0, proc_bus_ecard_dir, &bus_ecard_proc_fops); + proc_create_single("devices", 0, proc_bus_ecard_dir, + ecard_devices_proc_show); } #define ec_set_resource(ec,nr,st,sz) \ |