Release 4.18 fs/minix/namei.c
// SPDX-License-Identifier: GPL-2.0
/*
* linux/fs/minix/namei.c
*
* Copyright (C) 1991, 1992 Linus Torvalds
*/
#include "minix.h"
static int add_nondir(struct dentry *dentry, struct inode *inode)
{
int err = minix_add_link(dentry, inode);
if (!err) {
d_instantiate(dentry, inode);
return 0;
}
inode_dec_link_count(inode);
iput(inode);
return err;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds | 30 | 53.57% | 1 | 16.67% |
| Linus Torvalds (pre-git) | 25 | 44.64% | 4 | 66.67% |
| Alexey Dobriyan | 1 | 1.79% | 1 | 16.67% |
| Total | 56 | 100.00% | 6 | 100.00% |
static struct dentry *minix_lookup(struct inode * dir, struct dentry *dentry, unsigned int flags)
{
struct inode * inode = NULL;
ino_t ino;
if (dentry->d_name.len > minix_sb(dir->i_sb)->s_namelen)
return ERR_PTR(-ENAMETOOLONG);
ino = minix_inode_by_name(dentry);
if (ino)
inode = minix_iget(dir->i_sb, ino);
return d_splice_alias(inode, dentry);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 51 | 59.30% | 6 | 50.00% |
| Linus Torvalds | 24 | 27.91% | 1 | 8.33% |
| Al Viro | 5 | 5.81% | 2 | 16.67% |
| Brian Gerst | 3 | 3.49% | 1 | 8.33% |
| David Howells | 2 | 2.33% | 1 | 8.33% |
| Trond Myklebust | 1 | 1.16% | 1 | 8.33% |
| Total | 86 | 100.00% | 12 | 100.00% |
static int minix_mknod(struct inode * dir, struct dentry *dentry, umode_t mode, dev_t rdev)
{
int error;
struct inode *inode;
if (!old_valid_dev(rdev))
return -EINVAL;
inode = minix_new_inode(dir, mode, &error);
if (inode) {
minix_set_inode(inode, rdev);
mark_inode_dirty(inode);
error = add_nondir(dentry, inode);
}
return error;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds | 33 | 39.29% | 1 | 10.00% |
| Linus Torvalds (pre-git) | 31 | 36.90% | 5 | 50.00% |
| Al Viro | 17 | 20.24% | 2 | 20.00% |
| Dmitriy Monakhov | 2 | 2.38% | 1 | 10.00% |
| Andries E. Brouwer | 1 | 1.19% | 1 | 10.00% |
| Total | 84 | 100.00% | 10 | 100.00% |
static int minix_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)
{
int error;
struct inode *inode = minix_new_inode(dir, mode, &error);
if (inode) {
minix_set_inode(inode, 0);
mark_inode_dirty(inode);
d_tmpfile(dentry, inode);
}
return error;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Al Viro | 65 | 100.00% | 1 | 100.00% |
| Total | 65 | 100.00% | 1 | 100.00% |
static int minix_create(struct inode *dir, struct dentry *dentry, umode_t mode,
bool excl)
{
return minix_mknod(dir, dentry, mode, 0);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds | 24 | 70.59% | 1 | 16.67% |
| Linus Torvalds (pre-git) | 6 | 17.65% | 2 | 33.33% |
| Al Viro | 3 | 8.82% | 2 | 33.33% |
| Trond Myklebust | 1 | 2.94% | 1 | 16.67% |
| Total | 34 | 100.00% | 6 | 100.00% |
static int minix_symlink(struct inode * dir, struct dentry *dentry,
const char * symname)
{
int err = -ENAMETOOLONG;
int i = strlen(symname)+1;
struct inode * inode;
if (i > dir->i_sb->s_blocksize)
goto out;
inode = minix_new_inode(dir, S_IFLNK | 0777, &err);
if (!inode)
goto out;
minix_set_inode(inode, 0);
err = page_symlink(inode, symname, i);
if (err)
goto out_fail;
err = add_nondir(dentry, inode);
out:
return err;
out_fail:
inode_dec_link_count(inode);
iput(inode);
goto out;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 63 | 48.09% | 6 | 60.00% |
| Linus Torvalds | 62 | 47.33% | 1 | 10.00% |
| Dmitriy Monakhov | 4 | 3.05% | 1 | 10.00% |
| Alexey Dobriyan | 1 | 0.76% | 1 | 10.00% |
| Andrew Morton | 1 | 0.76% | 1 | 10.00% |
| Total | 131 | 100.00% | 10 | 100.00% |
static int minix_link(struct dentry * old_dentry, struct inode * dir,
struct dentry *dentry)
{
struct inode *inode = d_inode(old_dentry);
inode->i_ctime = current_time(inode);
inode_inc_link_count(inode);
ihold(inode);
return add_nondir(dentry, inode);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 34 | 58.62% | 5 | 50.00% |
| Linus Torvalds | 15 | 25.86% | 1 | 10.00% |
| Deepa Dinamani | 4 | 6.90% | 1 | 10.00% |
| David Howells | 3 | 5.17% | 1 | 10.00% |
| Al Viro | 1 | 1.72% | 1 | 10.00% |
| Alexey Dobriyan | 1 | 1.72% | 1 | 10.00% |
| Total | 58 | 100.00% | 10 | 100.00% |
static int minix_mkdir(struct inode * dir, struct dentry *dentry, umode_t mode)
{
struct inode * inode;
int err;
inode_inc_link_count(dir);
inode = minix_new_inode(dir, S_IFDIR | mode, &err);
if (!inode)
goto out_dir;
minix_set_inode(inode, 0);
inode_inc_link_count(inode);
err = minix_make_empty(inode, dir);
if (err)
goto out_fail;
err = minix_add_link(dentry, inode);
if (err)
goto out_fail;
d_instantiate(dentry, inode);
out:
return err;
out_fail:
inode_dec_link_count(inode);
inode_dec_link_count(inode);
iput(inode);
out_dir:
inode_dec_link_count(dir);
goto out;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 79 | 57.66% | 8 | 61.54% |
| Linus Torvalds | 48 | 35.04% | 1 | 7.69% |
| Alexey Dobriyan | 5 | 3.65% | 1 | 7.69% |
| Dmitriy Monakhov | 2 | 1.46% | 1 | 7.69% |
| Jorge Boncompte | 2 | 1.46% | 1 | 7.69% |
| Al Viro | 1 | 0.73% | 1 | 7.69% |
| Total | 137 | 100.00% | 13 | 100.00% |
static int minix_unlink(struct inode * dir, struct dentry *dentry)
{
int err = -ENOENT;
struct inode * inode = d_inode(dentry);
struct page * page;
struct minix_dir_entry * de;
de = minix_find_entry(dentry, &page);
if (!de)
goto end_unlink;
err = minix_delete_entry(de, page);
if (err)
goto end_unlink;
inode->i_ctime = dir->i_ctime;
inode_dec_link_count(inode);
end_unlink:
return err;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds | 79 | 84.04% | 1 | 20.00% |
| Linus Torvalds (pre-git) | 11 | 11.70% | 2 | 40.00% |
| David Howells | 3 | 3.19% | 1 | 20.00% |
| Alexey Dobriyan | 1 | 1.06% | 1 | 20.00% |
| Total | 94 | 100.00% | 5 | 100.00% |
static int minix_rmdir(struct inode * dir, struct dentry *dentry)
{
struct inode * inode = d_inode(dentry);
int err = -ENOTEMPTY;
if (minix_empty_dir(inode)) {
err = minix_unlink(dir, dentry);
if (!err) {
inode_dec_link_count(dir);
inode_dec_link_count(inode);
}
}
return err;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 49 | 70.00% | 6 | 66.67% |
| Linus Torvalds | 16 | 22.86% | 1 | 11.11% |
| David Howells | 3 | 4.29% | 1 | 11.11% |
| Alexey Dobriyan | 2 | 2.86% | 1 | 11.11% |
| Total | 70 | 100.00% | 9 | 100.00% |
static int minix_rename(struct inode * old_dir, struct dentry *old_dentry,
struct inode * new_dir, struct dentry *new_dentry,
unsigned int flags)
{
struct inode * old_inode = d_inode(old_dentry);
struct inode * new_inode = d_inode(new_dentry);
struct page * dir_page = NULL;
struct minix_dir_entry * dir_de = NULL;
struct page * old_page;
struct minix_dir_entry * old_de;
int err = -ENOENT;
if (flags & ~RENAME_NOREPLACE)
return -EINVAL;
old_de = minix_find_entry(old_dentry, &old_page);
if (!old_de)
goto out;
if (S_ISDIR(old_inode->i_mode)) {
err = -EIO;
dir_de = minix_dotdot(old_inode, &dir_page);
if (!dir_de)
goto out_old;
}
if (new_inode) {
struct page * new_page;
struct minix_dir_entry * new_de;
err = -ENOTEMPTY;
if (dir_de && !minix_empty_dir(new_inode))
goto out_dir;
err = -ENOENT;
new_de = minix_find_entry(new_dentry, &new_page);
if (!new_de)
goto out_dir;
minix_set_link(new_de, new_page, old_inode);
new_inode->i_ctime = current_time(new_inode);
if (dir_de)
drop_nlink(new_inode);
inode_dec_link_count(new_inode);
} else {
err = minix_add_link(new_dentry, old_inode);
if (err)
goto out_dir;
if (dir_de)
inode_inc_link_count(new_dir);
}
minix_delete_entry(old_de, old_page);
mark_inode_dirty(old_inode);
if (dir_de) {
minix_set_link(dir_de, dir_page, new_dir);
inode_dec_link_count(old_dir);
}
return 0;
out_dir:
if (dir_de) {
kunmap(dir_page);
put_page(dir_page);
}
out_old:
kunmap(old_page);
put_page(old_page);
out:
return err;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds | 152 | 46.06% | 1 | 5.00% |
| Linus Torvalds (pre-git) | 144 | 43.64% | 12 | 60.00% |
| Miklos Szeredi | 15 | 4.55% | 1 | 5.00% |
| David Howells | 6 | 1.82% | 1 | 5.00% |
| Deepa Dinamani | 4 | 1.21% | 1 | 5.00% |
| Alexey Dobriyan | 3 | 0.91% | 1 | 5.00% |
| Dave Hansen | 3 | 0.91% | 1 | 5.00% |
| Kirill A. Shutemov | 2 | 0.61% | 1 | 5.00% |
| Al Viro | 1 | 0.30% | 1 | 5.00% |
| Total | 330 | 100.00% | 20 | 100.00% |
/*
* directories can handle most operations...
*/
const struct inode_operations minix_dir_inode_operations = {
.create = minix_create,
.lookup = minix_lookup,
.link = minix_link,
.unlink = minix_unlink,
.symlink = minix_symlink,
.mkdir = minix_mkdir,
.rmdir = minix_rmdir,
.mknod = minix_mknod,
.rename = minix_rename,
.getattr = minix_getattr,
.tmpfile = minix_tmpfile,
};
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 530 | 43.69% | 22 | 42.31% |
| Linus Torvalds | 483 | 39.82% | 1 | 1.92% |
| Al Viro | 102 | 8.41% | 12 | 23.08% |
| Art Haas | 20 | 1.65% | 1 | 1.92% |
| David Howells | 17 | 1.40% | 2 | 3.85% |
| Miklos Szeredi | 15 | 1.24% | 1 | 1.92% |
| Alexey Dobriyan | 14 | 1.15% | 1 | 1.92% |
| Deepa Dinamani | 8 | 0.66% | 1 | 1.92% |
| Dmitriy Monakhov | 8 | 0.66% | 1 | 1.92% |
| Dave Hansen | 3 | 0.25% | 1 | 1.92% |
| Brian Gerst | 3 | 0.25% | 1 | 1.92% |
| Jorge Boncompte | 2 | 0.16% | 1 | 1.92% |
| Trond Myklebust | 2 | 0.16% | 2 | 3.85% |
| Kirill A. Shutemov | 2 | 0.16% | 1 | 1.92% |
| Andries E. Brouwer | 1 | 0.08% | 1 | 1.92% |
| Andrew Morton | 1 | 0.08% | 1 | 1.92% |
| Greg Kroah-Hartman | 1 | 0.08% | 1 | 1.92% |
| Arjan van de Ven | 1 | 0.08% | 1 | 1.92% |
| Total | 1213 | 100.00% | 52 | 100.00% |
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.