/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/mount.h> #include <linux/seq_file.h> #include <linux/poll.h> #include <linux/ns_common.h> #include <linux/fs_pin.h> struct mnt_namespace { atomic_t count; struct ns_common ns; struct mount * root; struct list_head list; struct user_namespace *user_ns; struct ucounts *ucounts; u64 seq; /* Sequence number to prevent loops */ wait_queue_head_t poll; u64 event; unsigned int mounts; /* # of mounts in the namespace */ unsigned int pending_mounts; } __randomize_layout; struct mnt_pcp { int mnt_count; int mnt_writers; }; struct mountpoint { struct hlist_node m_hash; struct dentry *m_dentry; struct hlist_head m_list; int m_count; }; struct mount { struct hlist_node mnt_hash; struct mount *mnt_parent; struct dentry *mnt_mountpoint; struct vfsmount mnt; union { struct rcu_head mnt_rcu; struct llist_node mnt_llist; }; #ifdef CONFIG_SMP struct mnt_pcp __percpu *mnt_pcp; #else int mnt_count; int mnt_writers; #endif struct list_head mnt_mounts; /* list of children, anchored here */ struct list_head mnt_child; /* and going through their mnt_child */ struct list_head mnt_instance; /* mount instance on sb->s_mounts */ const char *mnt_devname; /* Name of device e.g. /dev/dsk/hda1 */ struct list_head mnt_list; struct list_head mnt_expire; /* link in fs-specific expiry list */ struct list_head mnt_share; /* circular list of shared mounts */ struct list_head mnt_slave_list;/* list of slave mounts */ struct list_head mnt_slave; /* slave list entry */ struct mount *mnt_master; /* slave is on master->mnt_slave_list */ struct mnt_namespace *mnt_ns; /* containing namespace */ struct mountpoint *mnt_mp; /* where is it mounted */ struct hlist_node mnt_mp_list; /* list mounts with the same mountpoint */ struct list_head mnt_umounting; /* list entry for umount propagation */ #ifdef CONFIG_FSNOTIFY struct fsnotify_mark_connector __rcu *mnt_fsnotify_marks; __u32 mnt_fsnotify_mask; #endif int mnt_id; /* mount identifier */ int mnt_group_id; /* peer group identifier */ int mnt_expiry_mark; /* true if marked for expiry */ struct hlist_head mnt_pins; struct fs_pin mnt_umount; struct dentry *mnt_ex_mountpoint; } __randomize_layout; #define MNT_NS_INTERNAL ERR_PTR(-EINVAL) /* distinct from any mnt_namespace */
static inline struct mount *real_mount(struct vfsmount *mnt) { return container_of(mnt, struct mount, mnt); }Contributors
Person | Tokens | Prop | Commits | CommitProp |
Al Viro | 25 | 100.00% | 1 | 100.00% |
Total | 25 | 100.00% | 1 | 100.00% |
Person | Tokens | Prop | Commits | CommitProp |
Al Viro | 19 | 100.00% | 2 | 100.00% |
Total | 19 | 100.00% | 2 | 100.00% |
Person | Tokens | Prop | Commits | CommitProp |
Al Viro | 23 | 92.00% | 1 | 50.00% |
Eric W. Biedermann | 2 | 8.00% | 1 | 50.00% |
Total | 25 | 100.00% | 2 | 100.00% |
Person | Tokens | Prop | Commits | CommitProp |
Ian Kent | 46 | 100.00% | 1 | 100.00% |
Total | 46 | 100.00% | 1 | 100.00% |
Person | Tokens | Prop | Commits | CommitProp |
Eric W. Biedermann | 26 | 100.00% | 1 | 100.00% |
Total | 26 | 100.00% | 1 | 100.00% |
Person | Tokens | Prop | Commits | CommitProp |
Al Viro | 20 | 100.00% | 1 | 100.00% |
Total | 20 | 100.00% | 1 | 100.00% |
Person | Tokens | Prop | Commits | CommitProp |
Al Viro | 15 | 100.00% | 2 | 100.00% |
Total | 15 | 100.00% | 2 | 100.00% |
Person | Tokens | Prop | Commits | CommitProp |
Al Viro | 15 | 100.00% | 2 | 100.00% |
Total | 15 | 100.00% | 2 | 100.00% |
Person | Tokens | Prop | Commits | CommitProp |
Eric W. Biedermann | 29 | 100.00% | 1 | 100.00% |
Total | 29 | 100.00% | 1 | 100.00% |
Person | Tokens | Prop | Commits | CommitProp |
Al Viro | 425 | 71.19% | 35 | 67.31% |
Eric W. Biedermann | 115 | 19.26% | 11 | 21.15% |
Ian Kent | 46 | 7.71% | 1 | 1.92% |
Miklos Szeredi | 5 | 0.84% | 1 | 1.92% |
Jan Kara | 3 | 0.50% | 2 | 3.85% |
Kees Cook | 2 | 0.34% | 1 | 1.92% |
Greg Kroah-Hartman | 1 | 0.17% | 1 | 1.92% |
Total | 597 | 100.00% | 52 | 100.00% |