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https://github.com/checkpoint-restore/criu.git
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c7e0042946
On dump one uses one or more --ext-mount-map option with A:B arguments. A denotes a mountpoint (as seen from the target mount namespace) criu dumps and B is the string that will be written into the image file instead of the mountpoint's root. On restore one uses the same --ext-mount-map option(s) with similar A:B arguments, but this time criu treats A as string from the image's root field (foobar in the example above) and B as the path in criu's mount namespace the should be bind mounted into the mountpoint. v3: * Added documentation * Added RPC bits * Changed option name into --ext-mount-map * Use colon as key and value separator Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
#ifndef __CR_MOUNT_H__
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#define __CR_MOUNT_H__
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extern struct mount_info *mntinfo;
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struct ns_id;
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extern int __mntns_get_root_fd(pid_t pid);
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extern int mntns_get_root_fd(struct ns_id *ns);
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extern struct ns_id *lookup_nsid_by_mnt_id(int mnt_id);
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struct proc_mountinfo;
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extern int open_mount(unsigned int s_dev);
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extern struct fstype *find_fstype_by_name(char *fst);
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struct cr_fdset;
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extern struct mount_info * collect_mntinfo(struct ns_id *ns);
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extern int prepare_mnt_ns(void);
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extern int pivot_root(const char *new_root, const char *put_old);
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struct mount_info;
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extern struct mount_info *lookup_mnt_id(unsigned int id);
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extern struct mount_info *lookup_mnt_sdev(unsigned int s_dev);
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extern struct ns_desc mnt_ns_desc;
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extern dev_t phys_stat_resolve_dev(struct mount_info *tree,
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dev_t st_dev, const char *path);
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extern bool phys_stat_dev_match(struct mount_info *tree, dev_t st_dev,
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dev_t phys_dev, const char *path);
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struct pstree_item;
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extern int restore_task_mnt_ns(struct pstree_item *);
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extern int fini_mnt_ns(void);
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char *rst_get_mnt_root(int mnt_id);
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int ext_mount_add(char *key, char *val);
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#endif /* __CR_MOUNT_H__ */
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