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Diffstat (limited to 'collectors/proc.plugin/proc_self_mountinfo.h')
| -rw-r--r-- | collectors/proc.plugin/proc_self_mountinfo.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/collectors/proc.plugin/proc_self_mountinfo.h b/collectors/proc.plugin/proc_self_mountinfo.h new file mode 100644 index 0000000..15d63c7 --- /dev/null +++ b/collectors/proc.plugin/proc_self_mountinfo.h @@ -0,0 +1,57 @@ +// 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 *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); +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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