cregit-Linux how code gets into the kernel

Release 4.10 fs/proc/generic.c

Directory: fs/proc
/*
 * proc/fs/generic.c --- generic routines for the proc-fs
 *
 * This file contains generic proc-fs routines for handling
 * directories and files.
 * 
 * Copyright (C) 1991, 1992 Linus Torvalds.
 * Copyright (C) 1997 Theodore Ts'o
 */

#include <linux/errno.h>
#include <linux/time.h>
#include <linux/proc_fs.h>
#include <linux/stat.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/printk.h>
#include <linux/mount.h>
#include <linux/init.h>
#include <linux/idr.h>
#include <linux/bitops.h>
#include <linux/spinlock.h>
#include <linux/completion.h>
#include <linux/uaccess.h>

#include "internal.h"

static DEFINE_RWLOCK(proc_subdir_lock);




static int proc_match(unsigned int len, const char *name, struct proc_dir_entry *de)
{
	if (len < de->namelen)
		return -1;
	if (len > de->namelen)
		return 1;

	return memcmp(name, de->name, len);
}


Contributors
PersonTokensPropCommitsCommitProp
pre-gitpre-git3970.91%125.00%


nicolas dichtelnicolas dichtel1425.45%125.00%


alexey dobriyanalexey dobriyan11.82%125.00%


eric w. biedermaneric w. biederman11.82%125.00%


Total55100.00%4100.00%






static struct proc_dir_entry *pde_subdir_first(struct proc_dir_entry *dir)
{
	return rb_entry_safe(rb_first(&dir->subdir), struct proc_dir_entry,
			     subdir_node);
}


Contributors
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nicolas dichtelnicolas dichtel30100.00%2100.00%


Total30100.00%2100.00%






static struct proc_dir_entry *pde_subdir_next(struct proc_dir_entry *dir)
{
	return rb_entry_safe(rb_next(&dir->subdir_node), struct proc_dir_entry,
			     subdir_node);
}


Contributors
PersonTokensPropCommitsCommitProp
nicolas dichtelnicolas dichtel30100.00%2100.00%


Total30100.00%2100.00%






static struct proc_dir_entry *pde_subdir_find(struct proc_dir_entry *dir,
					      const char *name,
					      unsigned int len)
{
	struct rb_node *node = dir->subdir.rb_node;

	while (node) {
		struct proc_dir_entry *de = container_of(node,
							 struct proc_dir_entry,
							 subdir_node);
		int result = proc_match(len, name, de);

		if (result < 0)
			node = node->rb_left;
		else if (result > 0)
			node = node->rb_right;
		else
			return de;
	}
	return NULL;
}


Contributors
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nicolas dichtelnicolas dichtel98100.00%1100.00%


Total98100.00%1100.00%






static bool pde_subdir_insert(struct proc_dir_entry *dir,
			      struct proc_dir_entry *de)
{
	struct rb_root *root = &dir->subdir;
	struct rb_node **new = &root->rb_node, *parent = NULL;

	/* Figure out where to put new node */
	while (*new) {
		struct proc_dir_entry *this =
			container_of(*new, struct proc_dir_entry, subdir_node);
		int result = proc_match(de->namelen, de->name, this);

		parent = *new;
		if (result < 0)
			new = &(*new)->rb_left;
		else if (result > 0)
			new = &(*new)->rb_right;
		else
			return false;
	}

	/* Add new node and rebalance tree. */
	rb_link_node(&de->subdir_node, parent, new);
	rb_insert_color(&de->subdir_node, root);
	return true;
}


Contributors
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nicolas dichtelnicolas dichtel150100.00%1100.00%


Total150100.00%1100.00%






static int proc_notify_change(struct dentry *dentry, struct iattr *iattr)
{
	struct inode *inode = d_inode(dentry);
	struct proc_dir_entry *de = PDE(inode);
	int error;

	error = setattr_prepare(dentry, iattr);
	if (error)
		return error;

	setattr_copy(inode, iattr);
	mark_inode_dirty(inode);

	proc_set_user(de, inode->i_uid, inode->i_gid);
	de->mode = inode->i_mode;
	return 0;
}


Contributors
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olaf dietscheolaf dietsche5156.04%116.67%


christoph hellwigchristoph hellwig1617.58%116.67%


chris wrightchris wright1415.38%116.67%


rui xiangrui xiang55.49%116.67%


david howellsdavid howells33.30%116.67%


jan karajan kara22.20%116.67%


Total91100.00%6100.00%






static int proc_getattr(struct vfsmount *mnt, struct dentry *dentry,
			struct kstat *stat)
{
	struct inode *inode = d_inode(dentry);
	struct proc_dir_entry *de = PDE(inode);
	if (de && de->nlink)
		set_nlink(inode, de->nlink);

	generic_fillattr(inode, stat);
	return 0;
}


Contributors
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miklos szeredimiklos szeredi6494.12%250.00%


david howellsdavid howells34.41%125.00%


alexander kuleshovalexander kuleshov11.47%125.00%


Total68100.00%4100.00%




static const struct inode_operations proc_file_inode_operations = {
	.setattr	= proc_notify_change,
};

/*
 * This function parses a name such as "tty/driver/serial", and
 * returns the struct proc_dir_entry for "/proc/tty/driver", and
 * returns "serial" in residual.
 */



static int __xlate_proc_name(const char *name, struct proc_dir_entry **ret,
			     const char **residual)
{
	const char     		*cp = name, *next;
	struct proc_dir_entry	*de;
	unsigned int		len;

	de = *ret;
	if (!de)
		de = &proc_root;

	while (1) {
		next = strchr(cp, '/');
		if (!next)
			break;

		len = next - cp;
		de = pde_subdir_find(de, cp, len);
		if (!de) {
			WARN(1, "name '%s'\n", name);
			return -ENOENT;
		}
		cp += len + 1;
	}
	*residual = cp;
	*ret = de;
	return 0;
}


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pre-gitpre-git10175.37%114.29%


alexey dobriyanalexey dobriyan2820.90%457.14%


nicolas dichtelnicolas dichtel42.99%114.29%


steven rostedtsteven rostedt10.75%114.29%


Total134100.00%7100.00%






static int xlate_proc_name(const char *name, struct proc_dir_entry **ret,
			   const char **residual)
{
	int rv;

	read_lock(&proc_subdir_lock);
	rv = __xlate_proc_name(name, ret, residual);
	read_unlock(&proc_subdir_lock);
	return rv;
}


Contributors
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alexey dobriyanalexey dobriyan4280.77%125.00%


steven rostedtsteven rostedt59.62%125.00%


pre-gitpre-git35.77%125.00%


waiman longwaiman long23.85%125.00%


Total52100.00%4100.00%



static DEFINE_IDA(proc_inum_ida);
static DEFINE_SPINLOCK(proc_inum_lock); /* protects the above */


#define PROC_DYNAMIC_FIRST 0xF0000000U

/*
 * Return an inode number between PROC_DYNAMIC_FIRST and
 * 0xffffffff, or zero on failure.
 */



int proc_alloc_inum(unsigned int *inum)
{
	unsigned int i;
	int error;

retry:
	if (!ida_pre_get(&proc_inum_ida, GFP_KERNEL))
		return -ENOMEM;

	spin_lock_irq(&proc_inum_lock);
	error = ida_get_new(&proc_inum_ida, &i);
	spin_unlock_irq(&proc_inum_lock);
	if (error == -EAGAIN)
		goto retry;
	else if (error)
		return error;

	if (i > UINT_MAX - PROC_DYNAMIC_FIRST) {
		spin_lock_irq(&proc_inum_lock);
		ida_remove(&proc_inum_ida, i);
		spin_unlock_irq(&proc_inum_lock);
		return -ENOSPC;
	}
	*inum = PROC_DYNAMIC_FIRST + i;
	return 0;
}


Contributors
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alexey dobriyanalexey dobriyan3529.41%333.33%


andrew mortonandrew morton2621.85%111.11%


eric w. biedermaneric w. biederman2117.65%222.22%


corey minyardcorey minyard1613.45%111.11%


pre-gitpre-git119.24%111.11%


linus torvaldslinus torvalds108.40%111.11%


Total119100.00%9100.00%






void proc_free_inum(unsigned int inum)
{
	unsigned long flags;
	spin_lock_irqsave(&proc_inum_lock, flags);
	ida_remove(&proc_inum_ida, inum - PROC_DYNAMIC_FIRST);
	spin_unlock_irqrestore(&proc_inum_lock, flags);
}


Contributors
PersonTokensPropCommitsCommitProp
andrew mortonandrew morton1435.90%114.29%


eric w. biedermaneric w. biederman1128.21%228.57%


linus torvaldslinus torvalds512.82%114.29%


alexey dobriyanalexey dobriyan512.82%228.57%


pre-gitpre-git410.26%114.29%


Total39100.00%7100.00%



/*
 * Don't create negative dentries here, return -ENOENT by hand
 * instead.
 */



struct dentry *proc_lookup_de(struct proc_dir_entry *de, struct inode *dir,
		struct dentry *dentry)
{
	struct inode *inode;

	read_lock(&proc_subdir_lock);
	de = pde_subdir_find(de, dentry->d_name.name, dentry->d_name.len);
	if (de) {
		pde_get(de);
		read_unlock(&proc_subdir_lock);
		inode = proc_get_inode(dir->i_sb, de);
		if (!inode)
			return ERR_PTR(-ENOMEM);
		d_set_d_op(dentry, &simple_dentry_operations);
		d_add(dentry, inode);
		return NULL;
	}
	read_unlock(&proc_subdir_lock);
	return ERR_PTR(-ENOENT);
}


Contributors
PersonTokensPropCommitsCommitProp
pre-gitpre-git6855.28%19.09%


nicolas dichtelnicolas dichtel1512.20%19.09%


al viroal viro1411.38%327.27%


alexey dobriyanalexey dobriyan86.50%218.18%


pavel emelianovpavel emelianov64.88%19.09%


steven rostedtsteven rostedt54.07%19.09%


nick pigginnick piggin43.25%19.09%


waiman longwaiman long32.44%19.09%


Total123100.00%11100.00%






struct dentry *proc_lookup(struct inode *dir, struct dentry *dentry,
		unsigned int flags)
{
	return proc_lookup_de(PDE(dir), dir, dentry);
}


Contributors
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pavel emelianovpavel emelianov3191.18%150.00%


al viroal viro38.82%150.00%


Total34100.00%2100.00%



/*
 * This returns non-zero if at EOF, so that the /proc
 * root directory can use this and check if it should
 * continue with the <pid> entries..
 *
 * Note that the VFS-layer doesn't care about the return
 * value of the readdir() call, as long as it's non-negative
 * for success..
 */



int proc_readdir_de(struct proc_dir_entry *de, struct file *file,
		    struct dir_context *ctx)
{
	int i;

	if (!dir_emit_dots(file, ctx))
		return 0;

	read_lock(&proc_subdir_lock);
	de = pde_subdir_first(de);
	i = ctx->pos - 2;
	for (;;) {
		if (!de) {
			read_unlock(&proc_subdir_lock);
			return 0;
		}
		if (!i)
			break;
		de = pde_subdir_next(de);
		i--;
	}

	do {
		struct proc_dir_entry *next;
		pde_get(de);
		read_unlock(&proc_subdir_lock);
		if (!dir_emit(ctx, de->name, de->namelen,
			    de->low_ino, de->mode >> 12)) {
			pde_put(de);
			return 0;
		}
		read_lock(&proc_subdir_lock);
		ctx->pos++;
		next = pde_subdir_next(de);
		pde_put(de);
		de = next;
	} while (de);
	read_unlock(&proc_subdir_lock);
	return 1;
}


Contributors
PersonTokensPropCommitsCommitProp
pre-gitpre-git9046.88%218.18%


al viroal viro2613.54%19.09%


steven rostedtsteven rostedt2513.02%19.09%


darrick j. wongdarrick j. wong2412.50%19.09%


nicolas dichtelnicolas dichtel94.69%19.09%


pavel emelianovpavel emelianov63.12%19.09%


waiman longwaiman long52.60%19.09%


dave hansendave hansen31.56%19.09%


alexey dobriyanalexey dobriyan31.56%19.09%


linus torvaldslinus torvalds10.52%19.09%


Total192100.00%11100.00%






int proc_readdir(struct file *file, struct dir_context *ctx)
{
	struct inode *inode = file_inode(file);

	return proc_readdir_de(PDE(inode), file, ctx);
}


Contributors
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pavel emelianovpavel emelianov2873.68%133.33%


al viroal viro1026.32%266.67%


Total38100.00%3100.00%



/*
 * These are the generic /proc directory operations. They
 * use the in-memory "struct proc_dir_entry" tree to parse
 * the /proc directory.
 */

static const struct file_operations proc_dir_operations = {
	.llseek			= generic_file_llseek,
	.read			= generic_read_dir,
	.iterate_shared		= proc_readdir,
};

/*
 * proc directories can do almost nothing..
 */

static const struct inode_operations proc_dir_inode_operations = {
	.lookup		= proc_lookup,
	.getattr	= proc_getattr,
	.setattr	= proc_notify_change,
};




static int proc_register(struct proc_dir_entry * dir, struct proc_dir_entry * dp)
{
	int ret;

	ret = proc_alloc_inum(&dp->low_ino);
	if (ret)
		return ret;

	write_lock(&proc_subdir_lock);
	dp->parent = dir;
	if (pde_subdir_insert(dir, dp) == false) {
		WARN(1, "proc_dir_entry '%s/%s' already registered\n",
		     dir->name, dp->name);
		write_unlock(&proc_subdir_lock);
		proc_free_inum(dp->low_ino);
		return -EEXIST;
	}
	write_unlock(&proc_subdir_lock);

	return 0;
}


Contributors
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pre-gitpre-git2625.49%220.00%


debabrata banerjeedebabrata banerjee1817.65%110.00%


rui zhangrui zhang1716.67%110.00%


eric w. biedermaneric w. biederman1312.75%110.00%


changli gaochangli gao109.80%110.00%


nicolas dichtelnicolas dichtel76.86%110.00%


alexey dobriyanalexey dobriyan54.90%110.00%


waiman longwaiman long32.94%110.00%


arjan van de venarjan van de ven32.94%110.00%


Total102100.00%10100.00%






static struct proc_dir_entry *__proc_create(struct proc_dir_entry **parent,
					  const char *name,
					  umode_t mode,
					  nlink_t nlink)
{
	struct proc_dir_entry *ent = NULL;
	const char *fn;
	struct qstr qstr;

	if (xlate_proc_name(name, parent, &fn) != 0)
		goto out;
	qstr.name = fn;
	qstr.len = strlen(fn);
	if (qstr.len == 0 || qstr.len >= 256) {
		WARN(1, "name len %u\n", qstr.len);
		return NULL;
	}
	if (*parent == &proc_root && name_to_int(&qstr) != ~0U) {
		WARN(1, "create '/proc/%s' by hand\n", qstr.name);
		return NULL;
	}
	if (is_empty_pde(*parent)) {
		WARN(1, "attempt to add to permanently empty directory");
		return NULL;
	}

	ent = kzalloc(sizeof(struct proc_dir_entry) + qstr.len + 1, GFP_KERNEL);
	if (!ent)
		goto out;

	memcpy(ent->name, fn, qstr.len + 1);
	ent->namelen = qstr.len;
	ent->mode = mode;
	ent->nlink = nlink;
	ent->subdir = RB_ROOT;
	atomic_set(&ent->count, 1);
	spin_lock_init(&ent->pde_unload_lock);
	INIT_LIST_HEAD(&ent->pde_openers);
	proc_set_user(ent, (*parent)->uid, (*parent)->gid);

out:
	return ent;
}


Contributors
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alexey dobriyanalexey dobriyan10538.32%533.33%


pre-gitpre-git9233.58%213.33%


linus torvaldslinus torvalds228.03%16.67%


eric w. biedermaneric w. biederman207.30%16.67%


dmitry torokhovdmitry torokhov196.93%16.67%


nathan lynchnathan lynch62.19%16.67%


nicolas dichtelnicolas dichtel62.19%16.67%


david howellsdavid howells20.73%16.67%


al viroal viro10.36%16.67%


yan hongyan hong10.36%16.67%


Total274100.00%15100.00%






struct proc_dir_entry *proc_symlink(const char *name,
		struct proc_dir_entry *parent, const char *dest)
{
	struct proc_dir_entry *ent;

	ent = __proc_create(&parent, name,
			  (S_IFLNK | S_IRUGO | S_IWUGO | S_IXUGO),1);

	if (ent) {
		ent->data = kmalloc((ent->size=strlen(dest))+1, GFP_KERNEL);
		if (ent->data) {
			strcpy((char*)ent->data,dest);
			ent->proc_iops = &proc_link_inode_operations;
			if (proc_register(parent, ent) < 0) {
				kfree(ent->data);
				kfree(ent);
				ent = NULL;
			}
		} else {
			kfree(ent);
			ent = NULL;
		}
	}
	return ent;
}

Contributors
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pre-gitpre-git6241.61%120.00%


linus torvaldslinus torvalds5738.26%120.00%


jeff garzikjeff garzik2214.77%120.00%


al viroal viro74.70%120.00%


alexey dobriyanalexey dobriyan10.67%120.00%


Total149100.00%5100.00%




EXPORT_SYMBOL(proc_symlink);




struct proc_dir_entry *proc_mkdir_data(const char *name, umode_t mode,
		struct proc_dir_entry *parent, void *data)
{
	struct proc_dir_entry *ent;

	if (mode == 0)
		mode = S_IRUGO | S_IXUGO;

	ent = __proc_create(&parent, name, S_IFDIR | mode, 2);
	if (ent) {
		ent->data = data;
		ent->proc_fops = &proc_dir_operations;
		ent->proc_iops = &proc_dir_inode_operations;
		parent->nlink++;
		if (proc_register(parent, ent) < 0) {
			kfree(ent);
			parent->nlink--;
			ent = NULL;
		}
	}
	return ent;
}

Contributors
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linus torvaldslinus torvalds3025.42%112.50%


al viroal viro2521.19%225.00%


david howellsdavid howells2319.49%112.50%


pre-gitpre-git2117.80%112.50%


jeff garzikjeff garzik1512.71%112.50%


andrew mortonandrew morton32.54%112.50%


alexey dobriyanalexey dobriyan10.85%112.50%


Total118100.00%8100.00%




EXPORT_SYMBOL_GPL(proc_mkdir_data);




struct proc_dir_entry *proc_mkdir_mode(const char *name, umode_t mode,
				       struct proc_dir_entry *parent)
{
	return proc_mkdir_data(name, mode, parent, NULL);
}

Contributors
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denis v. lunevdenis v. lunev2475.00%150.00%


david howellsdavid howells825.00%150.00%


Total32100.00%2100.00%




EXPORT_SYMBOL(proc_mkdir_mode);




struct proc_dir_entry *proc_mkdir(const char *name,
		struct proc_dir_entry *parent)
{
	return proc_mkdir_data(name, 0, parent, NULL);
}

Contributors
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andrew mortonandrew morton2586.21%150.00%


david howellsdavid howells413.79%150.00%


Total29100.00%2100.00%




EXPORT_SYMBOL(proc_mkdir);




struct proc_dir_entry *proc_create_mount_point(const char *name)
{
	umode_t mode = S_IFDIR | S_IRUGO | S_IXUGO;
	struct proc_dir_entry *ent, *parent = NULL;

	ent = __proc_create(&parent, name, mode, 2);
	if (ent) {
		ent->data = NULL;
		ent->proc_fops = NULL;
		ent->proc_iops = NULL;
		if (proc_register(parent, ent) < 0) {
			kfree(ent);
			parent->nlink--;
			ent = NULL;
		}
	}
	return ent;
}

Contributors
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eric w. biedermaneric w. biederman99100.00%1100.00%


Total99100.00%1100.00%




EXPORT_SYMBOL(proc_create_mount_point);




struct proc_dir_entry *proc_create_data(const char *name, umode_t mode,
					struct proc_dir_entry *parent,
					const struct file_operations *proc_fops,
					void *data)
{
	struct proc_dir_entry *pde;
	if ((mode & S_IFMT) == 0)
		mode |= S_IFREG;

	if (!S_ISREG(mode)) {
		WARN_ON(1);	/* use proc_mkdir() */
		return NULL;
	}

	BUG_ON(proc_fops == NULL);

	if ((mode & S_IALLUGO) == 0)
		mode |= S_IRUGO;
	pde = __proc_create(&parent, name, mode, 1);
	if (!pde)
		goto out;
	pde->proc_fops = proc_fops;
	pde->data = data;
	pde->proc_iops = &proc_file_inode_operations;
	if (proc_register(parent, pde) < 0)
		goto out_free;
	return pde;
out_free:
	kfree(pde);
out:
	return NULL;
}

Contributors
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alexey dobriyanalexey dobriyan11672.96%120.00%


al viroal viro3220.13%360.00%


denis v. lunevdenis v. lunev116.92%120.00%


Total159100.00%5100.00%




EXPORT_SYMBOL(proc_create_data);
 



void proc_set_size(struct proc_dir_entry *de, loff_t size)
{
	de->size = size;
}

Contributors
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david howellsdavid howells19100.00%1100.00%


Total19100.00%1100.00%




EXPORT_SYMBOL(proc_set_size);




void proc_set_user(struct proc_dir_entry *de, kuid_t uid, kgid_t gid)
{
	de->uid = uid;
	de->gid = gid;
}

Contributors
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david howellsdavid howells28100.00%1100.00%


Total28100.00%1100.00%




EXPORT_SYMBOL(proc_set_user);




static void free_proc_entry(struct proc_dir_entry *de)
{
	proc_free_inum(de->low_ino);

	if (S_ISLNK(de->mode))
		kfree(de->data);
	kfree(de);
}


Contributors
PersonTokensPropCommitsCommitProp
pre-gitpre-git3487.18%342.86%


andrew mortonandrew morton25.13%114.29%


alexey dobriyanalexey dobriyan25.13%228.57%


eric w. biedermaneric w. biederman12.56%114.29%


Total39100.00%7100.00%






void pde_put(struct proc_dir_entry *pde)
{
	if (atomic_dec_and_test(&pde->count))
		free_proc_entry(pde);
}


Contributors
PersonTokensPropCommitsCommitProp
alexey dobriyanalexey dobriyan25100.00%1100.00%


Total25100.00%1100.00%



/*
 * Remove a /proc entry and free it if it's not currently in use.
 */



void remove_proc_entry(const char *name, struct proc_dir_entry *parent)
{
	struct proc_dir_entry *de = NULL;
	const char *fn = name;
	unsigned int len;

	write_lock(&proc_subdir_lock);
	if (__xlate_proc_name(name, &parent, &fn) != 0) {
		write_unlock(&proc_subdir_lock);
		return;
	}
	len = strlen(fn);

	de = pde_subdir_find(parent, fn, len);
	if (de)
		rb_erase(&de->subdir_node, &parent->subdir);
	write_unlock(&proc_subdir_lock);
	if (!de) {
		WARN(1, "name '%s'\n", name);
		return;
	}

	proc_entry_rundown(de);

	if (S_ISDIR(de->mode))
		parent->nlink--;
	de->nlink = 0;
	WARN(pde_subdir_first(de),
	     "%s: removing non-empty directory '%s/%s', leaking at least '%s'\n",
	     __func__, de->parent->name, de->name, pde_subdir_first(de)->name);
	pde_put(de);
}

Contributors
PersonTokensPropCommitsCommitProp
pre-gitpre-git6133.89%325.00%


alexey dobriyanalexey dobriyan6133.89%541.67%


al viroal viro3117.22%216.67%


nicolas dichtelnicolas dichtel2413.33%18.33%


waiman longwaiman long31.67%18.33%


Total180100.00%12100.00%




EXPORT_SYMBOL(remove_proc_entry);




int remove_proc_subtree(const char *name, struct proc_dir_entry *parent)
{
	struct proc_dir_entry *root = NULL, *de, *next;
	const char *fn = name;
	unsigned int len;

	write_lock(&proc_subdir_lock);
	if (__xlate_proc_name(name, &parent, &fn) != 0) {
		write_unlock(&proc_subdir_lock);
		return -ENOENT;
	}
	len = strlen(fn);

	root = pde_subdir_find(parent, fn, len);
	if (!root) {
		write_unlock(&proc_subdir_lock);
		return -ENOENT;
	}
	rb_erase(&root->subdir_node, &parent->subdir);

	de = root;
	while (1) {
		next = pde_subdir_first(de);
		if (next) {
			rb_erase(&next->subdir_node, &de->subdir);
			de = next;
			continue;
		}
		write_unlock(&proc_subdir_lock);

		proc_entry_rundown(de);
		next = de->parent;
		if (S_ISDIR(de->mode))
			next->nlink--;
		de->nlink = 0;
		if (de == root)
			break;
		pde_put(de);

		write_lock(&proc_subdir_lock);
		de = next;
	}
	pde_put(root);
	return 0;
}

Contributors
PersonTokensPropCommitsCommitProp
al viroal viro13358.33%220.00%


alexey dobriyanalexey dobriyan3414.91%220.00%


nicolas dichtelnicolas dichtel2912.72%110.00%


pre-gitpre-git2410.53%330.00%


waiman longwaiman long52.19%110.00%


andrew mortonandrew morton31.32%110.00%


Total228100.00%10100.00%




EXPORT_SYMBOL(remove_proc_subtree);




void *proc_get_parent_data(const struct inode *inode)
{
	struct proc_dir_entry *de = PDE(inode);
	return de->parent->data;
}

Contributors
PersonTokensPropCommitsCommitProp
david howellsdavid howells29100.00%1100.00%


Total29100.00%1100.00%




EXPORT_SYMBOL_GPL(proc_get_parent_data);




void proc_remove(struct proc_dir_entry *de)
{
	if (de)
		remove_proc_subtree(de->name, de->parent);
}

Contributors
PersonTokensPropCommitsCommitProp
david howellsdavid howells25100.00%1100.00%


Total25100.00%1100.00%




EXPORT_SYMBOL(proc_remove);




void *PDE_DATA(const struct inode *inode)
{
	return __PDE_DATA(inode);
}

Contributors
PersonTokensPropCommitsCommitProp
david howellsdavid howells18100.00%1100.00%


Total18100.00%1100.00%




EXPORT_SYMBOL(PDE_DATA);

Overall Contributors
PersonTokensPropCommitsCommitProp
pre-gitpre-git68122.63%1211.65%


alexey dobriyanalexey dobriyan48816.22%2120.39%


nicolas dichtelnicolas dichtel41613.83%21.94%


al viroal viro2899.60%1211.65%


david howellsdavid howells1916.35%76.80%


eric w. biedermaneric w. biederman1665.52%43.88%


linus torvaldslinus torvalds1264.19%43.88%


andrew mortonandrew morton913.02%43.88%


pavel emelianovpavel emelianov712.36%10.97%


miklos szeredimiklos szeredi692.29%21.94%


olaf dietscheolaf dietsche682.26%10.97%


steven rostedtsteven rostedt431.43%10.97%


denis v. lunevdenis v. lunev381.26%21.94%


jeff garzikjeff garzik371.23%10.97%


christoph hellwigchristoph hellwig240.80%21.94%


darrick j. wongdarrick j. wong240.80%10.97%


waiman longwaiman long220.73%10.97%


dmitry torokhovdmitry torokhov190.63%10.97%


zhenwen xuzhenwen xu190.63%10.97%


debabrata banerjeedebabrata banerjee180.60%10.97%


rui zhangrui zhang170.56%10.97%


corey minyardcorey minyard160.53%10.97%


chris wrightchris wright140.47%10.97%


changli gaochangli gao100.33%10.97%


arjan van de venarjan van de ven60.20%32.91%


nathan lynchnathan lynch60.20%10.97%


art haasart haas60.20%10.97%


seth forsheeseth forshee50.17%10.97%


rui xiangrui xiang50.17%10.97%


thomas gleixnerthomas gleixner40.13%10.97%


nick pigginnick piggin40.13%10.97%


adrian bunkadrian bunk40.13%21.94%


tejun heotejun heo30.10%10.97%


dave hansendave hansen30.10%10.97%


jan karajan kara20.07%10.97%


alexander kuleshovalexander kuleshov10.03%10.97%


dave jonesdave jones10.03%10.97%


yan hongyan hong10.03%10.97%


americo wangamerico wang10.03%10.97%


Total3009100.00%103100.00%


Directory: fs/proc



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