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// SPDX-License-Identifier: GPL-3.0-or-later
#ifndef NETDATA_PROC_SELF_MOUNTINFO_H
#define NETDATA_PROC_SELF_MOUNTINFO_H 1
#define MOUNTINFO_IS_DUMMY 0x00000001
#define MOUNTINFO_IS_REMOTE 0x00000002
#define MOUNTINFO_IS_BIND 0x00000004
#define MOUNTINFO_IS_SAME_DEV 0x00000008
#define MOUNTINFO_NO_STAT 0x00000010
#define MOUNTINFO_NO_SIZE 0x00000020
#define MOUNTINFO_READONLY 0x00000040
struct mountinfo {
long id; // mount ID: unique identifier of the mount (may be reused after umount(2)).
long parentid; // parent ID: ID of parent mount (or of self for the top of the mount tree).
unsigned long major; // major:minor: value of st_dev for files on filesystem (see stat(2)).
unsigned long minor;
char *persistent_id; // a calculated persistent id for the mount point
uint32_t persistent_id_hash;
char *root; // root: root of the mount within the filesystem.
uint32_t root_hash;
char *mount_point; // mount point: mount point relative to the process's root.
uint32_t mount_point_hash;
char *mount_options; // mount options: per-mount options.
int optional_fields_count;
/*
char ***optional_fields; // optional fields: zero or more fields of the form "tag[:value]".
*/
char *filesystem; // filesystem type: name of filesystem in the form "type[.subtype]".
uint32_t filesystem_hash;
char *mount_source; // mount source: filesystem-specific information or "none".
uint32_t mount_source_hash;
char *mount_source_name;
uint32_t mount_source_name_hash;
char *super_options; // super options: per-superblock options.
uint32_t flags;
dev_t st_dev; // id of device as given by stat()
struct mountinfo *next;
};
extern struct mountinfo *mountinfo_find(struct mountinfo *root, unsigned long major, unsigned long minor, char *device);
extern struct mountinfo *mountinfo_find_by_filesystem_mount_source(struct mountinfo *root, const char *filesystem, const char *mount_source);
extern struct mountinfo *mountinfo_find_by_filesystem_super_option(struct mountinfo *root, const char *filesystem, const char *super_options);
extern void mountinfo_free_all(struct mountinfo *mi);
extern struct mountinfo *mountinfo_read(int do_statvfs);
#endif /* NETDATA_PROC_SELF_MOUNTINFO_H */
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