procfs: kill ->write_proc()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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@ -196,30 +196,6 @@ proc_file_read(struct file *file, char __user *buf, size_t nbytes,
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return rv;
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}
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static ssize_t
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proc_file_write(struct file *file, const char __user *buffer,
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size_t count, loff_t *ppos)
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{
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struct proc_dir_entry *pde = PDE(file_inode(file));
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ssize_t rv = -EIO;
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if (pde->write_proc) {
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spin_lock(&pde->pde_unload_lock);
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if (!pde->proc_fops) {
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spin_unlock(&pde->pde_unload_lock);
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return rv;
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}
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pde->pde_users++;
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spin_unlock(&pde->pde_unload_lock);
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/* FIXME: does this routine need ppos? probably... */
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rv = pde->write_proc(file, buffer, count, pde->data);
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pde_users_dec(pde);
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}
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return rv;
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}
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static loff_t
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proc_file_lseek(struct file *file, loff_t offset, int orig)
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{
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@ -239,7 +215,6 @@ proc_file_lseek(struct file *file, loff_t offset, int orig)
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static const struct file_operations proc_file_operations = {
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.llseek = proc_file_lseek,
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.read = proc_file_read,
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.write = proc_file_write,
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};
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static int proc_notify_change(struct dentry *dentry, struct iattr *iattr)
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@ -72,7 +72,6 @@ struct proc_dir_entry {
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struct proc_dir_entry *next, *parent, *subdir;
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void *data;
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read_proc_t *read_proc;
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write_proc_t *write_proc;
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atomic_t count; /* use count */
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int pde_users; /* number of callers into module in progress */
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struct completion *pde_unload_completion;
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