Contributors: 32
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Al Viro |
173 |
28.93% |
13 |
17.11% |
| Linus Torvalds (pre-git) |
73 |
12.21% |
8 |
10.53% |
| Eric W. Biedermann |
49 |
8.19% |
6 |
7.89% |
| David Howells |
45 |
7.53% |
4 |
5.26% |
| Nicholas Piggin |
43 |
7.19% |
3 |
3.95% |
| Christian Brauner |
26 |
4.35% |
4 |
5.26% |
| Dave Hansen |
20 |
3.34% |
3 |
3.95% |
| Trond Myklebust |
20 |
3.34% |
2 |
2.63% |
| Linus Torvalds |
19 |
3.18% |
3 |
3.95% |
| Miklos Szeredi |
18 |
3.01% |
2 |
2.63% |
| Paulo Alcantara |
15 |
2.51% |
1 |
1.32% |
| Ram Pai |
14 |
2.34% |
4 |
5.26% |
| Christoph Hellwig |
12 |
2.01% |
2 |
2.63% |
| Andries E. Brouwer |
8 |
1.34% |
1 |
1.32% |
| Ian Kent |
7 |
1.17% |
1 |
1.32% |
| Andrew Lutomirski |
6 |
1.00% |
1 |
1.32% |
| Greg Kroah-Hartman |
5 |
0.84% |
2 |
2.63% |
| Valerie Aurora |
5 |
0.84% |
1 |
1.32% |
| Mattias Nissler |
5 |
0.84% |
1 |
1.32% |
| Casey Schaufler |
5 |
0.84% |
2 |
2.63% |
| Andi Kleen |
4 |
0.67% |
1 |
1.32% |
| Valerie Henson |
4 |
0.67% |
1 |
1.32% |
| Amir Goldstein |
4 |
0.67% |
1 |
1.32% |
| Steven Rostedt |
4 |
0.67% |
1 |
1.32% |
| Andrew Morton |
3 |
0.50% |
1 |
1.32% |
| Rik Van Riel |
3 |
0.50% |
1 |
1.32% |
| David S. Miller |
2 |
0.33% |
1 |
1.32% |
| David Chinner |
2 |
0.33% |
1 |
1.32% |
| Kees Cook |
1 |
0.17% |
1 |
1.32% |
| Adrian Bunk |
1 |
0.17% |
1 |
1.32% |
| Sentaro Onizuka |
1 |
0.17% |
1 |
1.32% |
| Mateusz Guzik |
1 |
0.17% |
1 |
1.32% |
| Total |
598 |
|
76 |
|
/* SPDX-License-Identifier: GPL-2.0 */
/*
*
* Definitions for mount interface. This describes the in the kernel build
* linkedlist with mounted filesystems.
*
* Author: Marco van Wieringen <mvw@planets.elm.net>
*
*/
#ifndef _LINUX_MOUNT_H
#define _LINUX_MOUNT_H
#include <linux/types.h>
#include <asm/barrier.h>
struct super_block;
struct dentry;
struct user_namespace;
struct mnt_idmap;
struct file_system_type;
struct fs_context;
struct file;
struct path;
#define MNT_NOSUID 0x01
#define MNT_NODEV 0x02
#define MNT_NOEXEC 0x04
#define MNT_NOATIME 0x08
#define MNT_NODIRATIME 0x10
#define MNT_RELATIME 0x20
#define MNT_READONLY 0x40 /* does the user want this to be r/o? */
#define MNT_NOSYMFOLLOW 0x80
#define MNT_SHRINKABLE 0x100
#define MNT_WRITE_HOLD 0x200
#define MNT_SHARED 0x1000 /* if the vfsmount is a shared mount */
#define MNT_UNBINDABLE 0x2000 /* if the vfsmount is a unbindable mount */
/*
* MNT_SHARED_MASK is the set of flags that should be cleared when a
* mount becomes shared. Currently, this is only the flag that says a
* mount cannot be bind mounted, since this is how we create a mount
* that shares events with another mount. If you add a new MNT_*
* flag, consider how it interacts with shared mounts.
*/
#define MNT_SHARED_MASK (MNT_UNBINDABLE)
#define MNT_USER_SETTABLE_MASK (MNT_NOSUID | MNT_NODEV | MNT_NOEXEC \
| MNT_NOATIME | MNT_NODIRATIME | MNT_RELATIME \
| MNT_READONLY | MNT_NOSYMFOLLOW)
#define MNT_ATIME_MASK (MNT_NOATIME | MNT_NODIRATIME | MNT_RELATIME )
#define MNT_INTERNAL_FLAGS (MNT_SHARED | MNT_WRITE_HOLD | MNT_INTERNAL | \
MNT_DOOMED | MNT_SYNC_UMOUNT | MNT_MARKED)
#define MNT_INTERNAL 0x4000
#define MNT_LOCK_ATIME 0x040000
#define MNT_LOCK_NOEXEC 0x080000
#define MNT_LOCK_NOSUID 0x100000
#define MNT_LOCK_NODEV 0x200000
#define MNT_LOCK_READONLY 0x400000
#define MNT_LOCKED 0x800000
#define MNT_DOOMED 0x1000000
#define MNT_SYNC_UMOUNT 0x2000000
#define MNT_MARKED 0x4000000
#define MNT_UMOUNT 0x8000000
struct vfsmount {
struct dentry *mnt_root; /* root of the mounted tree */
struct super_block *mnt_sb; /* pointer to superblock */
int mnt_flags;
struct mnt_idmap *mnt_idmap;
} __randomize_layout;
static inline struct mnt_idmap *mnt_idmap(const struct vfsmount *mnt)
{
/* Pairs with smp_store_release() in do_idmap_mount(). */
return READ_ONCE(mnt->mnt_idmap);
}
extern int mnt_want_write(struct vfsmount *mnt);
extern int mnt_want_write_file(struct file *file);
extern void mnt_drop_write(struct vfsmount *mnt);
extern void mnt_drop_write_file(struct file *file);
extern void mntput(struct vfsmount *mnt);
extern struct vfsmount *mntget(struct vfsmount *mnt);
extern void mnt_make_shortterm(struct vfsmount *mnt);
extern struct vfsmount *mnt_clone_internal(const struct path *path);
extern bool __mnt_is_readonly(struct vfsmount *mnt);
extern bool mnt_may_suid(struct vfsmount *mnt);
extern struct vfsmount *clone_private_mount(const struct path *path);
int mnt_get_write_access(struct vfsmount *mnt);
void mnt_put_write_access(struct vfsmount *mnt);
extern struct vfsmount *fc_mount(struct fs_context *fc);
extern struct vfsmount *vfs_create_mount(struct fs_context *fc);
extern struct vfsmount *vfs_kern_mount(struct file_system_type *type,
int flags, const char *name,
void *data);
extern struct vfsmount *vfs_submount(const struct dentry *mountpoint,
struct file_system_type *type,
const char *name, void *data);
extern void mnt_set_expiry(struct vfsmount *mnt, struct list_head *expiry_list);
extern void mark_mounts_for_expiry(struct list_head *mounts);
extern bool path_is_mountpoint(const struct path *path);
extern bool our_mnt(struct vfsmount *mnt);
extern struct vfsmount *kern_mount(struct file_system_type *);
extern void kern_unmount(struct vfsmount *mnt);
extern int may_umount_tree(struct vfsmount *);
extern int may_umount(struct vfsmount *);
int do_mount(const char *, const char __user *,
const char *, unsigned long, void *);
extern struct vfsmount *collect_mounts(const struct path *);
extern void drop_collected_mounts(struct vfsmount *);
extern int iterate_mounts(int (*)(struct vfsmount *, void *), void *,
struct vfsmount *);
extern void kern_unmount_array(struct vfsmount *mnt[], unsigned int num);
extern int cifs_root_data(char **dev, char **opts);
#endif /* _LINUX_MOUNT_H */