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... and kill anon_inode_getfile_private()

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it's a seriously misguided API, now fortunately without users.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2013-10-09 10:26:28 -04:00
parent 71ad7490c1
commit 078d8e624c
2 changed files with 0 additions and 69 deletions
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66
fs/anon_inodes.c
View File

@ -62,72 +62,6 @@ static struct file_system_type anon_inode_fs_type = {
.kill_sb = kill_anon_super,
};
/**
* anon_inode_getfile_private - creates a new file instance by hooking it up to an
* anonymous inode, and a dentry that describe the "class"
* of the file
*
* @name: [in] name of the "class" of the new file
* @fops: [in] file operations for the new file
* @priv: [in] private data for the new file (will be file's private_data)
* @flags: [in] flags
*
*
* Similar to anon_inode_getfile, but each file holds a single inode.
*
*/
struct file *anon_inode_getfile_private(const char *name,
const struct file_operations *fops,
void *priv, int flags)
{
struct qstr this;
struct path path;
struct file *file;
struct inode *inode;
if (fops->owner && !try_module_get(fops->owner))
return ERR_PTR(-ENOENT);
inode = alloc_anon_inode(anon_inode_mnt->mnt_sb);
if (IS_ERR(inode)) {
file = ERR_PTR(-ENOMEM);
goto err_module;
}
/*
* Link the inode to a directory entry by creating a unique name
* using the inode sequence number.
*/
file = ERR_PTR(-ENOMEM);
this.name = name;
this.len = strlen(name);
this.hash = 0;
path.dentry = d_alloc_pseudo(anon_inode_mnt->mnt_sb, &this);
if (!path.dentry)
goto err_module;
path.mnt = mntget(anon_inode_mnt);
d_instantiate(path.dentry, inode);
file = alloc_file(&path, OPEN_FMODE(flags), fops);
if (IS_ERR(file))
goto err_dput;
file->f_mapping = inode->i_mapping;
file->f_flags = flags & (O_ACCMODE | O_NONBLOCK);
file->private_data = priv;
return file;
err_dput:
path_put(&path);
err_module:
module_put(fops->owner);
return file;
}
EXPORT_SYMBOL_GPL(anon_inode_getfile_private);
/**
* anon_inode_getfile - creates a new file instance by hooking it up to an
* anonymous inode, and a dentry that describe the "class"

3
include/linux/anon_inodes.h
View File

@ -13,9 +13,6 @@ struct file_operations;
struct file *anon_inode_getfile(const char *name,
const struct file_operations *fops,
void *priv, int flags);
struct file *anon_inode_getfile_private(const char *name,
const struct file_operations *fops,
void *priv, int flags);
int anon_inode_getfd(const char *name, const struct file_operations *fops,
void *priv, int flags);