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vfs: Kill mount_ns()

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Kill mount_ns() as it has been replaced by vfs_get_super() in the new mount
API.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
David Howells 2019-03-25 16:38:28 +00:00 committed by Al Viro
parent 96a374a35f
commit bb7b6b2bbd
2 changed files with 0 additions and 41 deletions
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38
fs/super.c
View File

@ -1143,44 +1143,6 @@ void kill_litter_super(struct super_block *sb)
}
EXPORT_SYMBOL(kill_litter_super);
static int ns_test_super(struct super_block *sb, void *data)
{
return sb->s_fs_info == data;
}
static int ns_set_super(struct super_block *sb, void *data)
{
sb->s_fs_info = data;
return set_anon_super(sb, NULL);
}
struct dentry *mount_ns(struct file_system_type *fs_type,
int flags, void *data, void *ns, struct user_namespace *user_ns,
int (*fill_super)(struct super_block *, void *, int))
{
struct super_block *sb;
sb = sget_userns(fs_type, ns_test_super, ns_set_super, flags,
user_ns, ns);
if (IS_ERR(sb))
return ERR_CAST(sb);
if (!sb->s_root) {
int err;
err = fill_super(sb, data, flags & SB_SILENT ? 1 : 0);
if (err) {
deactivate_locked_super(sb);
return ERR_PTR(err);
}
sb->s_flags |= SB_ACTIVE;
}
return dget(sb->s_root);
}
EXPORT_SYMBOL(mount_ns);
int set_anon_super_fc(struct super_block *sb, struct fs_context *fc)
{
return set_anon_super(sb, NULL);

3
include/linux/fs.h
View File

@ -2206,9 +2206,6 @@ struct file_system_type {
#define MODULE_ALIAS_FS(NAME) MODULE_ALIAS("fs-" NAME)
extern struct dentry *mount_ns(struct file_system_type *fs_type,
int flags, void *data, void *ns, struct user_namespace *user_ns,
int (*fill_super)(struct super_block *, void *, int));
#ifdef CONFIG_BLOCK
extern struct dentry *mount_bdev(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data,