Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (c) 2025 Christian Brauner <brauner@kernel.org> */
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#ifndef _LINUX_NSFS_H
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#define _LINUX_NSFS_H
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#include <linux/ns_common.h>
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#include <linux/cred.h>
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#include <linux/pid_namespace.h>
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struct path;
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struct task_struct;
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struct proc_ns_operations;
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int ns_get_path(struct path *path, struct task_struct *task,
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const struct proc_ns_operations *ns_ops);
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typedef struct ns_common *ns_get_path_helper_t(void *);
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int ns_get_path_cb(struct path *path, ns_get_path_helper_t ns_get_cb,
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void *private_data);
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bool ns_match(const struct ns_common *ns, dev_t dev, ino_t ino);
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int ns_get_name(char *buf, size_t size, struct task_struct *task,
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const struct proc_ns_operations *ns_ops);
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void nsfs_init(void);
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#define __current_namespace_from_type(__ns) \
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_Generic((__ns), \
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struct cgroup_namespace *: current->nsproxy->cgroup_ns, \
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struct ipc_namespace *: current->nsproxy->ipc_ns, \
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struct net *: current->nsproxy->net_ns, \
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struct pid_namespace *: task_active_pid_ns(current), \
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struct mnt_namespace *: current->nsproxy->mnt_ns, \
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struct time_namespace *: current->nsproxy->time_ns, \
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struct user_namespace *: current_user_ns(), \
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struct uts_namespace *: current->nsproxy->uts_ns)
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#define current_in_namespace(__ns) (__current_namespace_from_type(__ns) == __ns)
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void nsproxy_ns_active_get(struct nsproxy *ns);
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void nsproxy_ns_active_put(struct nsproxy *ns);
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#endif /* _LINUX_NSFS_H */
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