From ee21ed0afc2f47007fbd8b22928ecb17316e13e2 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 31 Mar 2013 15:30:40 -0400 Subject: [PATCH] procfs: kill ->write_proc() Signed-off-by: Al Viro --- fs/proc/generic.c | 25 ------------------------- include/linux/proc_fs.h | 1 - 2 files changed, 26 deletions(-) diff --git a/fs/proc/generic.c b/fs/proc/generic.c index 6bce60703c76..51fcb201e289 100644 --- a/fs/proc/generic.c +++ b/fs/proc/generic.c @@ -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) diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h index 94dfb2aa5533..4f4137a0bd8a 100644 --- a/include/linux/proc_fs.h +++ b/include/linux/proc_fs.h @@ -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;