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authorChristoph Hellwig <hch@lst.de>2018-04-13 19:44:18 +0200
committerChristoph Hellwig <hch@lst.de>2018-05-16 07:23:35 +0200
commitfddda2b7b521185f3aa018f9559eb33b0aee53a9 (patch)
treeece18b3d82822f8eaefd8b0afa2f93307e83b253 /drivers
parent7aed53d1dfd14d468e065212ce45068e2b50c1fa (diff)
downloadlinux-fddda2b7b521185f3aa018f9559eb33b0aee53a9.tar.gz
proc: introduce proc_create_seq{,_data}
Variants of proc_create{,_data} that directly take a struct seq_operations argument 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 'drivers')
-rw-r--r--drivers/char/misc.c15
-rw-r--r--drivers/isdn/capi/kcapi_proc.c80
-rw-r--r--drivers/net/hamradio/bpqether.c16
-rw-r--r--drivers/net/hamradio/scc.c17
-rw-r--r--drivers/net/hamradio/yam.c16
-rw-r--r--drivers/pci/proc.c17
-rw-r--r--drivers/s390/block/dasd_proc.c17
-rw-r--r--drivers/s390/char/tape_proc.c19
-rw-r--r--drivers/staging/ipx/ipx_proc.c45
-rw-r--r--drivers/tty/tty_ldisc.c15
-rw-r--r--drivers/video/fbdev/core/fbmem.c15
-rw-r--r--drivers/zorro/proc.c17
12 files changed, 24 insertions, 265 deletions
diff --git a/drivers/char/misc.c b/drivers/char/misc.c
index 1bb9e7cc82e3..53cfe574d8d4 100644
--- a/drivers/char/misc.c
+++ b/drivers/char/misc.c
@@ -95,19 +95,6 @@ static const struct seq_operations misc_seq_ops = {
.stop = misc_seq_stop,
.show = misc_seq_show,
};
-
-static int misc_seq_open(struct inode *inode, struct file *file)
-{
- return seq_open(file, &misc_seq_ops);
-}
-
-static const struct file_operations misc_proc_fops = {
- .owner = THIS_MODULE,
- .open = misc_seq_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
#endif
static int misc_open(struct inode *inode, struct file *file)
@@ -282,7 +269,7 @@ static int __init misc_init(void)
int err;
struct proc_dir_entry *ret;
- ret = proc_create("misc", 0, NULL, &misc_proc_fops);
+ ret = proc_create_seq("misc", 0, NULL, &misc_seq_ops);
misc_class = class_create(THIS_MODULE, "misc");
err = PTR_ERR(misc_class);
if (IS_ERR(misc_class))
diff --git a/drivers/isdn/capi/kcapi_proc.c b/drivers/isdn/capi/kcapi_proc.c
index 68db3c5a1063..c94bd12c0f7c 100644
--- a/drivers/isdn/capi/kcapi_proc.c
+++ b/drivers/isdn/capi/kcapi_proc.c
@@ -108,32 +108,6 @@ static const struct seq_operations seq_contrstats_ops = {
.show = contrstats_show,
};
-static int seq_controller_open(struct inode *inode, struct file *file)
-{
- return seq_open(file, &seq_controller_ops);
-}
-
-static int seq_contrstats_open(struct inode *inode, struct file *file)
-{
- return seq_open(file, &seq_contrstats_ops);
-}
-
-static const struct file_operations proc_controller_ops = {
- .owner = THIS_MODULE,
- .open = seq_controller_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
-
-static const struct file_operations proc_contrstats_ops = {
- .owner = THIS_MODULE,
- .open = seq_contrstats_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
-
// /proc/capi/applications:
// applid l3cnt dblkcnt dblklen #ncci recvqueuelen
// /proc/capi/applstats:
@@ -216,34 +190,6 @@ static const struct seq_operations seq_applstats_ops = {
.show = applstats_show,
};
-static int
-seq_applications_open(struct inode *inode, struct file *file)
-{
- return seq_open(file, &seq_applications_ops);
-}
-
-static int
-seq_applstats_open(struct inode *inode, struct file *file)
-{
- return seq_open(file, &seq_applstats_ops);
-}
-
-static const struct file_operations proc_applications_ops = {
- .owner = THIS_MODULE,
- .open = seq_applications_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
-
-static const struct file_operations proc_applstats_ops = {
- .owner = THIS_MODULE,
- .open = seq_applstats_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
-
// ---------------------------------------------------------------------------
static void *capi_driver_start(struct seq_file *seq, loff_t *pos)
@@ -279,22 +225,6 @@ static const struct seq_operations seq_capi_driver_ops = {
.show = capi_driver_show,
};
-static int
-seq_capi_driver_open(struct inode *inode, struct file *file)
-{
- int err;
- err = seq_open(file, &seq_capi_driver_ops);
- return err;
-}
-
-static const struct file_operations proc_driver_ops = {
- .owner = THIS_MODULE,
- .open = seq_capi_driver_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
-
// ---------------------------------------------------------------------------
void __init
@@ -302,11 +232,11 @@ kcapi_proc_init(void)
{
proc_mkdir("capi", NULL);
proc_mkdir("capi/controllers", NULL);
- proc_create("capi/controller", 0, NULL, &proc_controller_ops);
- proc_create("capi/contrstats", 0, NULL, &proc_contrstats_ops);
- proc_create("capi/applications", 0, NULL, &proc_applications_ops);
- proc_create("capi/applstats", 0, NULL, &proc_applstats_ops);
- proc_create("capi/driver", 0, NULL, &proc_driver_ops);
+ proc_create_seq("capi/controller", 0, NULL, &seq_controller_ops);
+ proc_create_seq("capi/contrstats", 0, NULL, &seq_contrstats_ops);
+ proc_create_seq("capi/applications", 0, NULL, &seq_applications_ops);
+ proc_create_seq("capi/applstats", 0, NULL, &seq_applstats_ops);
+ proc_create_seq("capi/driver", 0, NULL, &seq_capi_driver_ops);
}
void __exit
diff --git a/drivers/net/hamradio/bpqether.c b/drivers/net/hamradio/bpqether.c
index dfabbae72efd..f347fd9c5b28 100644
--- a/drivers/net/hamradio/bpqether.c
+++ b/drivers/net/hamradio/bpqether.c
@@ -449,20 +449,6 @@ static const struct seq_operations bpq_seqops = {
.show = bpq_seq_show,
};
-static int bpq_info_open(struct inode *inode, struct file *file)
-{
- return seq_open(file, &bpq_seqops);
-}
-
-static const struct file_operations bpq_info_fops = {
- .owner = THIS_MODULE,
- .open = bpq_info_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
-
-
/* ------------------------------------------------------------------------ */
static const struct net_device_ops bpq_netdev_ops = {
@@ -590,7 +576,7 @@ static int bpq_device_event(struct notifier_block *this,
static int __init bpq_init_driver(void)
{
#ifdef CONFIG_PROC_FS
- if (!proc_create("bpqether", 0444, init_net.proc_net, &bpq_info_fops)) {
+ if (!proc_create_seq("bpqether", 0444, init_net.proc_net, &bpq_seqops)) {
printk(KERN_ERR
"bpq: cannot create /proc/net/bpqether entry.\n");
return -ENOENT;
diff --git a/drivers/net/hamradio/scc.c b/drivers/net/hamradio/scc.c
index 3de272959090..6c03932d8a6b 100644
--- a/drivers/net/hamradio/scc.c
+++ b/drivers/net/hamradio/scc.c
@@ -2084,21 +2084,6 @@ static const struct seq_operations scc_net_seq_ops = {
.stop = scc_net_seq_stop,
.show = scc_net_seq_show,
};
-
-
-static int scc_net_seq_open(struct inode *inode, struct file *file)
-{
- return seq_open(file, &scc_net_seq_ops);
-}
-
-static const struct file_operations scc_net_seq_fops = {
- .owner = THIS_MODULE,
- .open = scc_net_seq_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release_private,
-};
-
#endif /* CONFIG_PROC_FS */
@@ -2122,7 +2107,7 @@ static int __init scc_init_driver (void)
}
rtnl_unlock();
- proc_create("z8530drv", 0, init_net.proc_net, &scc_net_seq_fops);
+ proc_create_seq("z8530drv", 0, init_net.proc_net, &scc_net_seq_ops);
return 0;
}
diff --git a/drivers/net/hamradio/yam.c b/drivers/net/hamradio/yam.c
index 83034eb7ed4f..16ec7af6ab7b 100644
--- a/drivers/net/hamradio/yam.c
+++ b/drivers/net/hamradio/yam.c
@@ -841,20 +841,6 @@ static const struct seq_operations yam_seqops = {
.stop = yam_seq_stop,
.show = yam_seq_show,
};
-
-static int yam_info_open(struct inode *inode, struct file *file)
-{
- return seq_open(file, &yam_seqops);
-}
-
-static const struct file_operations yam_info_fops = {
- .owner = THIS_MODULE,
- .open = yam_info_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
-
#endif
@@ -1168,7 +1154,7 @@ static int __init yam_init_driver(void)
yam_timer.expires = jiffies + HZ / 100;
add_timer(&yam_timer);
- proc_create("yam", 0444, init_net.proc_net, &yam_info_fops);
+ proc_create_seq("yam", 0444, init_net.proc_net, &yam_seqops);
return 0;
error:
while (--i >= 0) {
diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c
index 1ee8927a0635..7ac035af39f0 100644
--- a/drivers/pci/proc.c
+++ b/drivers/pci/proc.c
@@ -435,25 +435,12 @@ int pci_proc_detach_bus(struct pci_bus *bus)
return 0;
}
-static int proc_bus_pci_dev_open(struct inode *inode, struct file *file)
-{
- return seq_open(file, &proc_bus_pci_devices_op);
-}
-
-static const struct file_operations proc_bus_pci_dev_operations = {
- .owner = THIS_MODULE,
- .open = proc_bus_pci_dev_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
-
static int __init pci_proc_init(void)
{
struct pci_dev *dev = NULL;
proc_bus_pci_dir = proc_mkdir("bus/pci", NULL);
- proc_create("devices", 0, proc_bus_pci_dir,
- &proc_bus_pci_dev_operations);
+ proc_create_seq("devices", 0, proc_bus_pci_dir,
+ &proc_bus_pci_devices_op);
proc_initialized = 1;
for_each_pci_dev(dev)
pci_proc_attach_device(dev);
diff --git a/drivers/s390/block/dasd_proc.c b/drivers/s390/block/dasd_proc.c
index c33788a829c3..5cb80c645489 100644
--- a/drivers/s390/block/dasd_proc.c
+++ b/drivers/s390/block/dasd_proc.c
@@ -131,19 +131,6 @@ static const struct seq_operations dasd_devices_seq_ops = {
.show = dasd_devices_show,
};
-static int dasd_devices_open(struct inode *inode, struct file *file)
-{
- return seq_open(file, &dasd_devices_seq_ops);
-}
-
-static const struct file_operations dasd_devices_file_ops = {
- .owner = THIS_MODULE,
- .open = dasd_devices_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
-
#ifdef CONFIG_DASD_PROFILE
static int dasd_stats_all_block_on(void)
{
@@ -352,10 +339,10 @@ dasd_proc_init(void)
dasd_proc_root_entry = proc_mkdir("dasd", NULL);
if (!dasd_proc_root_entry)
goto out_nodasd;
- dasd_devices_entry = proc_create("devices",
+ dasd_devices_entry = proc_create_seq("devices",
S_IFREG | S_IRUGO | S_IWUSR,
dasd_proc_root_entry,
- &dasd_devices_file_ops);
+ &dasd_devices_seq_ops);
if (!dasd_devices_entry)
goto out_nodevices;
dasd_statistics_entry = proc_create("statistics",
diff --git a/drivers/s390/char/tape_proc.c b/drivers/s390/char/tape_proc.c
index faae30476f4b..32a14ee31c6b 100644
--- a/drivers/s390/char/tape_proc.c
+++ b/drivers/s390/char/tape_proc.c
@@ -105,29 +105,14 @@ static const struct seq_operations tape_proc_seq = {
.show = tape_proc_show,
};
-static int tape_proc_open(struct inode *inode, struct file *file)
-{
- return seq_open(file, &tape_proc_seq);
-}
-
-static const struct file_operations tape_proc_ops =
-{
- .owner = THIS_MODULE,
- .open = tape_proc_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
-
/*
* Initialize procfs stuff on startup
*/
void
tape_proc_init(void)
{
- tape_proc_devices =
- proc_create("tapedevices", S_IFREG | S_IRUGO | S_IWUSR, NULL,
- &tape_proc_ops);
+ tape_proc_devices = proc_create_seq("tapedevices",
+ S_IFREG | S_IRUGO | S_IWUSR, NULL, &tape_proc_seq);
if (tape_proc_devices == NULL) {
return;
}
diff --git a/drivers/staging/ipx/ipx_proc.c b/drivers/staging/ipx/ipx_proc.c
index b9232e4e2ed4..360f0ad970de 100644
--- a/drivers/staging/ipx/ipx_proc.c
+++ b/drivers/staging/ipx/ipx_proc.c
@@ -244,42 +244,6 @@ static const struct seq_operations ipx_seq_socket_ops = {
.show = ipx_seq_socket_show,
};
-static int ipx_seq_route_open(struct inode *inode, struct file *file)
-{
- return seq_open(file, &ipx_seq_route_ops);
-}
-
-static int ipx_seq_interface_open(struct inode *inode, struct file *file)
-{
- return seq_open(file, &ipx_seq_interface_ops);
-}
-
-static int ipx_seq_socket_open(struct inode *inode, struct file *file)
-{
- return seq_open(file, &ipx_seq_socket_ops);
-}
-
-static const struct file_operations ipx_seq_interface_fops = {
- .open = ipx_seq_interface_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
-
-static const struct file_operations ipx_seq_route_fops = {
- .open = ipx_seq_route_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
-
-static const struct file_operations ipx_seq_socket_fops = {
- .open = ipx_seq_socket_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
-
static struct proc_dir_entry *ipx_proc_dir;
int __init ipx_proc_init(void)
@@ -291,16 +255,17 @@ int __init ipx_proc_init(void)
if (!ipx_proc_dir)
goto out;
- p = proc_create("interface", S_IRUGO,
- ipx_proc_dir, &ipx_seq_interface_fops);
+ p = proc_create_seq("interface", S_IRUGO, ipx_proc_dir,
+ &ipx_seq_interface_ops);
if (!p)
goto out_interface;
- p = proc_create("route", S_IRUGO, ipx_proc_dir, &ipx_seq_route_fops);
+ p = proc_create_seq("route", S_IRUGO, ipx_proc_dir, &ipx_seq_route_ops);
if (!p)
goto out_route;
- p = proc_create("socket", S_IRUGO, ipx_proc_dir, &ipx_seq_socket_fops);
+ p = proc_create_seq("socket", S_IRUGO, ipx_proc_dir,
+ &ipx_seq_socket_ops);
if (!p)
goto out_socket;
diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c
index fb7329ab2b37..fc4c97cae01e 100644
--- a/drivers/tty/tty_ldisc.c
+++ b/drivers/tty/tty_ldisc.c
@@ -229,26 +229,13 @@ static int tty_ldiscs_seq_show(struct seq_file *m, void *v)
return 0;
}
-static const struct seq_operations tty_ldiscs_seq_ops = {
+const struct seq_operations tty_ldiscs_seq_ops = {
.start = tty_ldiscs_seq_start,
.next = tty_ldiscs_seq_next,
.stop = tty_ldiscs_seq_stop,
.show = tty_ldiscs_seq_show,
};
-static int proc_tty_ldiscs_open(struct inode *inode, struct file *file)
-{
- return seq_open(file, &tty_ldiscs_seq_ops);
-}
-
-const struct file_operations tty_ldiscs_proc_fops = {
- .owner = THIS_MODULE,
- .open = proc_tty_ldiscs_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
-
/**
* tty_ldisc_ref_wait - wait for the tty ldisc
* @tty: tty device
diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c
index f741ba8df01b..924d0730ffe2 100644
--- a/drivers/video/fbdev/core/fbmem.c
+++ b/drivers/video/fbdev/core/fbmem.c
@@ -713,19 +713,6 @@ static const struct seq_operations proc_fb_seq_ops = {
.show = fb_seq_show,
};
-static int proc_fb_open(struct inode *inode, struct file *file)
-{
- return seq_open(file, &proc_fb_seq_ops);
-}
-
-static const struct file_operations fb_proc_fops = {
- .owner = THIS_MODULE,
- .open = proc_fb_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
-
/*
* We hold a reference to the fb_info in file->private_data,
* but if the current registered fb has changed, we don't
@@ -1877,7 +1864,7 @@ fbmem_init(void)
{
int ret;
- if (!proc_create("fb", 0, NULL, &fb_proc_fops))
+ if (!proc_create_seq("fb", 0, NULL, &proc_fb_seq_ops))
return -ENOMEM;
ret = register_chrdev(FB_MAJOR, "fb", &fb_fops);
diff --git a/drivers/zorro/proc.c b/drivers/zorro/proc.c
index df05a26ab8d8..2e4ca4dc0960 100644
--- a/drivers/zorro/proc.c
+++ b/drivers/zorro/proc.c
@@ -96,19 +96,6 @@ static const struct seq_operations zorro_devices_seq_ops = {
.show = zorro_seq_show,
};
-static int zorro_devices_proc_open(struct inode *inode, struct file *file)
-{
- return seq_open(file, &zorro_devices_seq_ops);
-}
-
-static const struct file_operations zorro_devices_proc_fops = {
- .owner = THIS_MODULE,
- .open = zorro_devices_proc_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
-
static struct proc_dir_entry *proc_bus_zorro_dir;
static int __init zorro_proc_attach_device(unsigned int slot)
@@ -132,8 +119,8 @@ static int __init zorro_proc_init(void)
if (MACH_IS_AMIGA && AMIGAHW_PRESENT(ZORRO)) {
proc_bus_zorro_dir = proc_mkdir("bus/zorro", NULL);
- proc_create("devices", 0, proc_bus_zorro_dir,
- &zorro_devices_proc_fops);
+ proc_create_seq("devices", 0, proc_bus_zorro_dir,
+ &zorro_devices_seq_ops);
for (slot = 0; slot < zorro_num_autocon; slot++)
zorro_proc_attach_device(slot);
}