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procfs: kill ->write_proc() 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2013-03-31 15:30:40 -04:00
parent ff9046ac92
commit ee21ed0afc
2 changed files with 0 additions and 26 deletions
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25
fs/proc/generic.c
View File

@ -196,30 +196,6 @@ proc_file_read(struct file *file, char __user *buf, size_t nbytes,
return rv;
}
static ssize_t
proc_file_write(struct file *file, const char __user *buffer,
size_t count, loff_t *ppos)
{
struct proc_dir_entry *pde = PDE(file_inode(file));
ssize_t rv = -EIO;
if (pde->write_proc) {
spin_lock(&pde->pde_unload_lock);
if (!pde->proc_fops) {
spin_unlock(&pde->pde_unload_lock);
return rv;
}
pde->pde_users++;
spin_unlock(&pde->pde_unload_lock);
/* FIXME: does this routine need ppos? probably... */
rv = pde->write_proc(file, buffer, count, pde->data);
pde_users_dec(pde);
}
return rv;
}
static loff_t
proc_file_lseek(struct file *file, loff_t offset, int orig)
{
@ -239,7 +215,6 @@ proc_file_lseek(struct file *file, loff_t offset, int orig)
static const struct file_operations proc_file_operations = {
.llseek = proc_file_lseek,
.read = proc_file_read,
.write = proc_file_write,
};
static int proc_notify_change(struct dentry *dentry, struct iattr *iattr)

1
include/linux/proc_fs.h
View File

@ -72,7 +72,6 @@ struct proc_dir_entry {
struct proc_dir_entry *next, *parent, *subdir;
void *data;
read_proc_t *read_proc;
write_proc_t *write_proc;
atomic_t count; /* use count */
int pde_users; /* number of callers into module in progress */
struct completion *pde_unload_completion;