summaryrefslogtreecommitdiffstats
path: root/collectors/proc.plugin/proc_self_mountinfo.h
diff options
context:
space:
mode:
Diffstat (limited to 'collectors/proc.plugin/proc_self_mountinfo.h')
-rw-r--r--collectors/proc.plugin/proc_self_mountinfo.h57
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 */ \ No newline at end of file