Release 4.11 fs/devpts/inode.c

/* -*- linux-c -*- --------------------------------------------------------- *
 *
 * linux/fs/devpts/inode.c
 *
 *  Copyright 1998-2004 H. Peter Anvin -- All Rights Reserved
 *
 * This file is part of the Linux kernel and is made available under
 * the terms of the GNU General Public License, version 2, or at your
 * option, any later version, incorporated herein by reference.
 *
 * ------------------------------------------------------------------------- */


#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#include <linux/module.h>
#include <linux/init.h>
#include <linux/fs.h>
#include <linux/sched.h>
#include <linux/namei.h>
#include <linux/slab.h>
#include <linux/mount.h>
#include <linux/tty.h>
#include <linux/mutex.h>
#include <linux/magic.h>
#include <linux/idr.h>
#include <linux/devpts_fs.h>
#include <linux/parser.h>
#include <linux/fsnotify.h>
#include <linux/seq_file.h>


#define DEVPTS_DEFAULT_MODE 0600
/*
 * ptmx is a new node in /dev/pts and will be unused in legacy (single-
 * instance) mode. To prevent surprises in user space, set permissions of
 * ptmx to 0. Use 'chmod' or remount with '-o ptmxmode' to set meaningful
 * permissions.
 */

#define DEVPTS_DEFAULT_PTMX_MODE 0000

#define PTMX_MINOR	2

/*
 * sysctl support for setting limits on the number of Unix98 ptys allocated.
 * Otherwise one can eat up all kernel memory by opening /dev/ptmx repeatedly.
 */

static int pty_limit = NR_UNIX98_PTY_DEFAULT;

static int pty_reserve = NR_UNIX98_PTY_RESERVE;

static int pty_limit_min;

static int pty_limit_max = INT_MAX;

static int pty_count;


static struct ctl_table pty_table[] = {
	{
		.procname	= "max",
		.maxlen		= sizeof(int),
		.mode		= 0644,
		.data		= &pty_limit,
		.proc_handler	= proc_dointvec_minmax,
		.extra1		= &pty_limit_min,
		.extra2		= &pty_limit_max,
        }, {
		.procname	= "reserve",
		.maxlen		= sizeof(int),
		.mode		= 0644,
		.data		= &pty_reserve,
		.proc_handler	= proc_dointvec_minmax,
		.extra1		= &pty_limit_min,
		.extra2		= &pty_limit_max,
        }, {
		.procname	= "nr",
		.maxlen		= sizeof(int),
		.mode		= 0444,
		.data		= &pty_count,
		.proc_handler	= proc_dointvec,
        },
	{}
};


static struct ctl_table pty_kern_table[] = {
	{
		.procname	= "pty",
		.mode		= 0555,
		.child		= pty_table,
        },
	{}
};


static struct ctl_table pty_root_table[] = {
	{
		.procname	= "kernel",
		.mode		= 0555,
		.child		= pty_kern_table,
        },
	{}
};

static DEFINE_MUTEX(allocated_ptys_lock);


struct pts_mount_opts {
	
int setuid;
	
int setgid;
	
kuid_t   uid;
	
kgid_t   gid;
	
umode_t mode;
	
umode_t ptmxmode;
	
int reserve;
	
int max;
};

enum {
	





Opt_uid, Opt_gid, Opt_mode, Opt_ptmxmode, Opt_newinstance,  Opt_max,
	
Opt_err
};


static const match_table_t tokens = {
	{Opt_uid, "uid=%u"},
	{Opt_gid, "gid=%u"},
	{Opt_mode, "mode=%o"},
	{Opt_ptmxmode, "ptmxmode=%o"},
	{Opt_newinstance, "newinstance"},
	{Opt_max, "max=%d"},
	{Opt_err, NULL}
};


struct pts_fs_info {
	
struct ida allocated_ptys;
	
struct pts_mount_opts mount_opts;
	
struct super_block *sb;
	
struct dentry *ptmx_dentry;
};



static inline struct pts_fs_info *DEVPTS_SB(struct super_block *sb)
{
	return sb->s_fs_info;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Sukadev Bhattiprolu
19
100.00%
1
100.00%
Total
19
100.00%
1
100.00%



struct pts_fs_info *devpts_acquire(struct file *filp)
{
	struct pts_fs_info *result;
	struct path path;
	struct super_block *sb;
	int err;

	path = filp->f_path;
	path_get(&path);

	/* Has the devpts filesystem already been found? */
	sb = path.mnt->mnt_sb;
	if (sb->s_magic != DEVPTS_SUPER_MAGIC) {
		/* Is a devpts filesystem at "pts" in the same directory? */
		err = path_pts(&path);
		if (err) {
			result = ERR_PTR(err);
			goto out;
		}

		/* Is the path the root of a devpts filesystem? */
		result = ERR_PTR(-ENODEV);
		sb = path.mnt->mnt_sb;
		if ((sb->s_magic != DEVPTS_SUPER_MAGIC) ||
		    (path.mnt->mnt_root != sb->s_root))
			goto out;
	}

	/*
         * pty code needs to hold extra references in case of last /dev/tty close
         */
	atomic_inc(&sb->s_active);
	result = DEVPTS_SB(sb);

out:
	path_put(&path);
	return result;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Eric W. Biedermann
135
87.66%
1
33.33%
Sukadev Bhattiprolu
14
9.09%
1
33.33%
Josh Triplett
5
3.25%
1
33.33%
Total
154
100.00%
3
100.00%



void devpts_release(struct pts_fs_info *fsi)
{
	deactivate_super(fsi->sb);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Eric W. Biedermann
15
88.24%
1
50.00%
Sukadev Bhattiprolu
2
11.76%
1
50.00%
Total
17
100.00%
2
100.00%


#define PARSE_MOUNT	0

#define PARSE_REMOUNT	1

/*
 * parse_mount_options():
 *      Set @opts to mount options specified in @data. If an option is not
 *      specified in @data, set it to its default value.
 *
 * Note: @data may be NULL (in which case all options are set to default).
 */


static int parse_mount_options(char *data, int op, struct pts_mount_opts *opts)
{
	char *p;
	kuid_t uid;
	kgid_t gid;

	opts->setuid  = 0;
	opts->setgid  = 0;
	opts->uid     = GLOBAL_ROOT_UID;
	opts->gid     = GLOBAL_ROOT_GID;
	opts->mode    = DEVPTS_DEFAULT_MODE;
	opts->ptmxmode = DEVPTS_DEFAULT_PTMX_MODE;
	opts->max     = NR_UNIX98_PTY_MAX;

	/* Only allow instances mounted from the initial mount
         * namespace to tap the reserve pool of ptys.
         */
	if (op == PARSE_MOUNT)
		opts->reserve =
			(current->nsproxy->mnt_ns == init_task.nsproxy->mnt_ns);

	while ((p = strsep(&data, ",")) != NULL) {
		substring_t args[MAX_OPT_ARGS];
		int token;
		int option;

		if (!*p)
			continue;

		token = match_token(p, tokens, args);
		switch (token) {
		case Opt_uid:
			if (match_int(&args[0], &option))
				return -EINVAL;
			uid = make_kuid(current_user_ns(), option);
			if (!uid_valid(uid))
				return -EINVAL;
			opts->uid = uid;
			opts->setuid = 1;
			break;
		case Opt_gid:
			if (match_int(&args[0], &option))
				return -EINVAL;
			gid = make_kgid(current_user_ns(), option);
			if (!gid_valid(gid))
				return -EINVAL;
			opts->gid = gid;
			opts->setgid = 1;
			break;
		case Opt_mode:
			if (match_octal(&args[0], &option))
				return -EINVAL;
			opts->mode = option & S_IALLUGO;
			break;
		case Opt_ptmxmode:
			if (match_octal(&args[0], &option))
				return -EINVAL;
			opts->ptmxmode = option & S_IALLUGO;
			break;
		case Opt_newinstance:
			break;
		case Opt_max:
			if (match_int(&args[0], &option) ||
			    option < 0 || option > NR_UNIX98_PTY_MAX)
				return -EINVAL;
			opts->max = option;
			break;
		default:
			pr_err("called with bogus options\n");
			return -EINVAL;
		}
	}

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Domen Puncer
89
23.80%
1
6.67%
Sukadev Bhattiprolu
79
21.12%
4
26.67%
Eric W. Biedermann
69
18.45%
2
13.33%
Linus Torvalds (pre-git)
62
16.58%
3
20.00%
Konstantin Khlebnikov
42
11.23%
1
6.67%
Al Viro
18
4.81%
1
6.67%
Linus Torvalds
11
2.94%
1
6.67%
Fabian Frederick
2
0.53%
1
6.67%
Miklos Szeredi
2
0.53%
1
6.67%
Total
374
100.00%
15
100.00%



static int mknod_ptmx(struct super_block *sb)
{
	int mode;
	int rc = -ENOMEM;
	struct dentry *dentry;
	struct inode *inode;
	struct dentry *root = sb->s_root;
	struct pts_fs_info *fsi = DEVPTS_SB(sb);
	struct pts_mount_opts *opts = &fsi->mount_opts;
	kuid_t ptmx_uid = current_fsuid();
	kgid_t ptmx_gid = current_fsgid();

	inode_lock(d_inode(root));

	/* If we have already created ptmx node, return */
	if (fsi->ptmx_dentry) {
		rc = 0;
		goto out;
	}

	dentry = d_alloc_name(root, "ptmx");
	if (!dentry) {
		pr_err("Unable to alloc dentry for ptmx node\n");
		goto out;
	}

	/*
         * Create a new 'ptmx' node in this mount of devpts.
         */
	inode = new_inode(sb);
	if (!inode) {
		pr_err("Unable to alloc inode for ptmx node\n");
		dput(dentry);
		goto out;
	}

	inode->i_ino = 2;
	inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode);

	mode = S_IFCHR|opts->ptmxmode;
	init_special_inode(inode, mode, MKDEV(TTYAUX_MAJOR, 2));
	inode->i_uid = ptmx_uid;
	inode->i_gid = ptmx_gid;

	d_add(dentry, inode);

	fsi->ptmx_dentry = dentry;
	rc = 0;
out:
	inode_unlock(d_inode(root));
	return rc;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Sukadev Bhattiprolu
196
83.76%
1
14.29%
Eric W. Biedermann
24
10.26%
2
28.57%
David Howells
6
2.56%
1
14.29%
Deepa Dinamani
4
1.71%
1
14.29%
Fabian Frederick
2
0.85%
1
14.29%
Al Viro
2
0.85%
1
14.29%
Total
234
100.00%
7
100.00%



static void update_ptmx_mode(struct pts_fs_info *fsi)
{
	struct inode *inode;
	if (fsi->ptmx_dentry) {
		inode = d_inode(fsi->ptmx_dentry);
		inode->i_mode = S_IFCHR|fsi->mount_opts.ptmxmode;
	}
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Sukadev Bhattiprolu
42
93.33%
1
50.00%
David Howells
3
6.67%
1
50.00%
Total
45
100.00%
2
100.00%



static int devpts_remount(struct super_block *sb, int *flags, char *data)
{
	int err;
	struct pts_fs_info *fsi = DEVPTS_SB(sb);
	struct pts_mount_opts *opts = &fsi->mount_opts;

	err = parse_mount_options(data, PARSE_REMOUNT, opts);

	/*
         * parse_mount_options() restores options to default values
         * before parsing and may have changed ptmxmode. So, update the
         * mode in the inode too. Bogus options don't fail the remount,
         * so do this even on error return.
         */
	update_ptmx_mode(fsi);

	return err;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Sukadev Bhattiprolu
62
100.00%
3
100.00%
Total
62
100.00%
3
100.00%



static int devpts_show_options(struct seq_file *seq, struct dentry *root)
{
	struct pts_fs_info *fsi = DEVPTS_SB(root->d_sb);
	struct pts_mount_opts *opts = &fsi->mount_opts;

	if (opts->setuid)
		seq_printf(seq, ",uid=%u",
			   from_kuid_munged(&init_user_ns, opts->uid));
	if (opts->setgid)
		seq_printf(seq, ",gid=%u",
			   from_kgid_munged(&init_user_ns, opts->gid));
	seq_printf(seq, ",mode=%03o", opts->mode);
	seq_printf(seq, ",ptmxmode=%03o", opts->ptmxmode);
	if (opts->max < NR_UNIX98_PTY_MAX)
		seq_printf(seq, ",max=%d", opts->max);

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Miklos Szeredi
52
40.62%
1
16.67%
Sukadev Bhattiprolu
41
32.03%
2
33.33%
Konstantin Khlebnikov
19
14.84%
1
16.67%
Eric W. Biedermann
12
9.38%
1
16.67%
Al Viro
4
3.12%
1
16.67%
Total
128
100.00%
6
100.00%


static const struct super_operations devpts_sops = {
	.statfs		= simple_statfs,
	.remount_fs	= devpts_remount,
	.show_options	= devpts_show_options,
};



static void *new_pts_fs_info(struct super_block *sb)
{
	struct pts_fs_info *fsi;

	fsi = kzalloc(sizeof(struct pts_fs_info), GFP_KERNEL);
	if (!fsi)
		return NULL;

	ida_init(&fsi->allocated_ptys);
	fsi->mount_opts.mode = DEVPTS_DEFAULT_MODE;
	fsi->mount_opts.ptmxmode = DEVPTS_DEFAULT_PTMX_MODE;
	fsi->sb = sb;

	return fsi;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Sukadev Bhattiprolu
61
85.92%
3
75.00%
Linus Torvalds
10
14.08%
1
25.00%
Total
71
100.00%
4
100.00%


static int

devpts_fill_super(struct super_block *s, void *data, int silent)
{
	struct inode *inode;
	int error;

	s->s_iflags &= ~SB_I_NODEV;
	s->s_blocksize = 1024;
	s->s_blocksize_bits = 10;
	s->s_magic = DEVPTS_SUPER_MAGIC;
	s->s_op = &devpts_sops;
	s->s_time_gran = 1;

	error = -ENOMEM;
	s->s_fs_info = new_pts_fs_info(s);
	if (!s->s_fs_info)
		goto fail;

	error = parse_mount_options(data, PARSE_MOUNT, &DEVPTS_SB(s)->mount_opts);
	if (error)
		goto fail;

	error = -ENOMEM;
	inode = new_inode(s);
	if (!inode)
		goto fail;
	inode->i_ino = 1;
	inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode);
	inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO | S_IWUSR;
	inode->i_op = &simple_dir_inode_operations;
	inode->i_fop = &simple_dir_operations;
	set_nlink(inode, 2);

	s->s_root = d_make_root(inode);
	if (!s->s_root) {
		pr_err("get root dentry failed\n");
		goto fail;
	}

	error = mknod_ptmx(s);
	if (error)
		goto fail_dput;

	return 0;
fail_dput:
	dput(s->s_root);
	s->s_root = NULL;
fail:
	return error;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
84
33.47%
3
17.65%
Eric W. Biedermann
82
32.67%
3
17.65%
Linus Torvalds
28
11.16%
2
11.76%
Al Viro
27
10.76%
4
23.53%
Sukadev Bhattiprolu
16
6.37%
1
5.88%
Andi Kleen
4
1.59%
1
5.88%
Miklos Szeredi
4
1.59%
1
5.88%
Deepa Dinamani
4
1.59%
1
5.88%
James Morris
2
0.80%
1
5.88%
Total
251
100.00%
17
100.00%

/*
 * devpts_mount()
 *
 *     Mount a new (private) instance of devpts.  PTYs created in this
 *     instance are independent of the PTYs in other devpts instances.
 */


static struct dentry *devpts_mount(struct file_system_type *fs_type,
	int flags, const char *dev_name, void *data)
{
	return mount_nodev(fs_type, flags, data, devpts_fill_super);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Sukadev Bhattiprolu
27
72.97%
4
57.14%
Al Viro
5
13.51%
1
14.29%
Eric W. Biedermann
3
8.11%
1
14.29%
David Howells
2
5.41%
1
14.29%
Total
37
100.00%
7
100.00%



static void devpts_kill_sb(struct super_block *sb)
{
	struct pts_fs_info *fsi = DEVPTS_SB(sb);

	if (fsi)
		ida_destroy(&fsi->allocated_ptys);
	kfree(fsi);
	kill_litter_super(sb);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Sukadev Bhattiprolu
31
72.09%
2
50.00%
Ilija Hadzic
8
18.60%
1
25.00%
Eric W. Biedermann
4
9.30%
1
25.00%
Total
43
100.00%
4
100.00%


static struct file_system_type devpts_fs_type = {
	.name		= "devpts",
	.mount		= devpts_mount,
	.kill_sb	= devpts_kill_sb,
	.fs_flags	= FS_USERNS_MOUNT,
};

/*
 * The normal naming convention is simply /dev/pts/<number>; this conforms
 * to the System V naming convention
 */



int devpts_new_index(struct pts_fs_info *fsi)
{
	int index;
	int ida_ret;

retry:
	if (!ida_pre_get(&fsi->allocated_ptys, GFP_KERNEL))
		return -ENOMEM;

	mutex_lock(&allocated_ptys_lock);
	if (pty_count >= (pty_limit -
			  (fsi->mount_opts.reserve ? 0 : pty_reserve))) {
		mutex_unlock(&allocated_ptys_lock);
		return -ENOSPC;
	}

	ida_ret = ida_get_new(&fsi->allocated_ptys, &index);
	if (ida_ret < 0) {
		mutex_unlock(&allocated_ptys_lock);
		if (ida_ret == -EAGAIN)
			goto retry;
		return -EIO;
	}

	if (index >= fsi->mount_opts.max) {
		ida_remove(&fsi->allocated_ptys, index);
		mutex_unlock(&allocated_ptys_lock);
		return -ENOSPC;
	}
	pty_count++;
	mutex_unlock(&allocated_ptys_lock);
	return index;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Sukadev Bhattiprolu
108
68.35%
3
37.50%
Konstantin Khlebnikov
36
22.78%
2
25.00%
Alexey Dobriyan
7
4.43%
1
12.50%
Eric W. Biedermann
5
3.16%
1
12.50%
Linus Torvalds
2
1.27%
1
12.50%
Total
158
100.00%
8
100.00%



void devpts_kill_index(struct pts_fs_info *fsi, int idx)
{
	mutex_lock(&allocated_ptys_lock);
	ida_remove(&fsi->allocated_ptys, idx);
	pty_count--;
	mutex_unlock(&allocated_ptys_lock);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Sukadev Bhattiprolu
32
84.21%
3
50.00%
Konstantin Khlebnikov
3
7.89%
1
16.67%
Linus Torvalds
2
5.26%
1
16.67%
Alexey Dobriyan
1
2.63%
1
16.67%
Total
38
100.00%
6
100.00%

/**
 * devpts_pty_new -- create a new inode in /dev/pts/
 * @ptmx_inode: inode of the master
 * @device: major+minor of the node to be created
 * @index: used as a name of the node
 * @priv: what's given back by devpts_get_priv
 *
 * The created inode is returned. Remove it from /dev/pts/ by devpts_pty_kill.
 */


struct dentry *devpts_pty_new(struct pts_fs_info *fsi, int index, void *priv)
{
	struct dentry *dentry;
	struct super_block *sb = fsi->sb;
	struct inode *inode;
	struct dentry *root;
	struct pts_mount_opts *opts;
	char s[12];

	root = sb->s_root;
	opts = &fsi->mount_opts;

	inode = new_inode(sb);
	if (!inode)
		return ERR_PTR(-ENOMEM);

	inode->i_ino = index + 3;
	inode->i_uid = opts->setuid ? opts->uid : current_fsuid();
	inode->i_gid = opts->setgid ? opts->gid : current_fsgid();
	inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode);
	init_special_inode(inode, S_IFCHR|opts->mode, MKDEV(UNIX98_PTY_SLAVE_MAJOR, index));

	sprintf(s, "%d", index);

	dentry = d_alloc_name(root, s);
	if (dentry) {
		dentry->d_fsdata = priv;
		d_add(dentry, inode);
		fsnotify_create(d_inode(root), dentry);
	} else {
		iput(inode);
		dentry = ERR_PTR(-ENOMEM);
	}

	return dentry;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
70
31.11%
3
13.64%
Sukadev Bhattiprolu
39
17.33%
5
22.73%
Jiri Slaby
22
9.78%
2
9.09%
Linus Torvalds
20
8.89%
2
9.09%
David Howells
16
7.11%
3
13.64%
Andrey Vagin
12
5.33%
1
4.55%
Josh Triplett
10
4.44%
1
4.55%
Andrew Morton
10
4.44%
1
4.55%
Al Viro
9
4.00%
1
4.55%
Florin Malita
9
4.00%
1
4.55%
Deepa Dinamani
4
1.78%
1
4.55%
Eric W. Biedermann
4
1.78%
1
4.55%
Total
225
100.00%
22
100.00%

/**
 * devpts_get_priv -- get private data for a slave
 * @pts_inode: inode of the slave
 *
 * Returns whatever was passed as priv in devpts_pty_new for a given inode.
 */


void *devpts_get_priv(struct dentry *dentry)
{
	if (dentry->d_sb->s_magic != DEVPTS_SUPER_MAGIC)
		return NULL;
	return dentry->d_fsdata;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds
13
44.83%
2
25.00%
Sukadev Bhattiprolu
7
24.14%
3
37.50%
Andrew Morton
6
20.69%
1
12.50%
Jiri Slaby
2
6.90%
1
12.50%
Linus Torvalds (pre-git)
1
3.45%
1
12.50%
Total
29
100.00%
8
100.00%

/**
 * devpts_pty_kill -- remove inode form /dev/pts/
 * @inode: inode of the slave to be removed
 *
 * This is an inverse operation of devpts_pty_new.
 */


void devpts_pty_kill(struct dentry *dentry)
{
	WARN_ON_ONCE(dentry->d_sb->s_magic != DEVPTS_SUPER_MAGIC);

	dentry->d_fsdata = NULL;
	drop_nlink(dentry->d_inode);
	d_delete(dentry);
	dput(dentry);	/* d_alloc_name() in devpts_pty_new() */
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds
13
28.89%
1
11.11%
Sukadev Bhattiprolu
11
24.44%
3
33.33%
Al Viro
9
20.00%
1
11.11%
Linus Torvalds (pre-git)
6
13.33%
1
11.11%
Miklos Szeredi
3
6.67%
1
11.11%
Jiri Slaby
2
4.44%
1
11.11%
Alan Cox
1
2.22%
1
11.11%
Total
45
100.00%
9
100.00%



static int __init init_devpts_fs(void)
{
	int err = register_filesystem(&devpts_fs_type);
	if (!err) {
		register_sysctl_table(pty_root_table);
	}
	return err;
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
25
75.76%
3
50.00%
Konstantin Khlebnikov
5
15.15%
1
16.67%
Linus Torvalds
2
6.06%
1
16.67%
James Morris
1
3.03%
1
16.67%
Total
33
100.00%
6
100.00%

module_init(init_devpts_fs)
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Sukadev Bhattiprolu
860
35.41%
15
19.74%
Eric W. Biedermann
364
14.99%
9
11.84%
Konstantin Khlebnikov
321
13.22%
2
2.63%
Linus Torvalds (pre-git)
264
10.87%
6
7.89%
Domen Puncer
133
5.48%
1
1.32%
Al Viro
118
4.86%
8
10.53%
Linus Torvalds
110
4.53%
6
7.89%
Miklos Szeredi
73
3.01%
3
3.95%
Jiri Slaby
29
1.19%
4
5.26%
David Howells
27
1.11%
4
5.26%
Andrew Morton
23
0.95%
2
2.63%
Josh Triplett
15
0.62%
1
1.32%
Andrey Vagin
12
0.49%
1
1.32%
Deepa Dinamani
12
0.49%
1
1.32%
Florin Malita
12
0.49%
1
1.32%
Fabian Frederick
11
0.45%
1
1.32%
Art Haas
10
0.41%
1
1.32%
Ilija Hadzic
8
0.33%
1
1.32%
Alexey Dobriyan
8
0.33%
1
1.32%
Andi Kleen
4
0.16%
1
1.32%
Christoph Hellwig
3
0.12%
1
1.32%
Nick Black
3
0.12%
1
1.32%
Tejun Heo
3
0.12%
1
1.32%
James Morris
3
0.12%
1
1.32%
Steven Whitehouse
1
0.04%
1
1.32%
Alan Cox
1
0.04%
1
1.32%
Josef 'Jeff' Sipek
1
0.04%
1
1.32%
Andries E. Brouwer
0.00%
0
0.00%
Total
2429
100.00%
76
100.00%
Directory: fs/devpts

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.