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-rw-r--r--include/uapi/linux/mount.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/include/uapi/linux/mount.h b/include/uapi/linux/mount.h
index 2b49e9131d77..c0fda4604187 100644
--- a/include/uapi/linux/mount.h
+++ b/include/uapi/linux/mount.h
@@ -154,7 +154,7 @@ struct mount_attr {
*/
struct statmount {
__u32 size; /* Total size, including strings */
- __u32 mnt_opts; /* [str] Mount options of the mount */
+ __u32 mnt_opts; /* [str] Options (comma separated, escaped) */
__u64 mask; /* What results were written */
__u32 sb_dev_major; /* Device ID */
__u32 sb_dev_minor;
@@ -175,7 +175,9 @@ struct statmount {
__u64 mnt_ns_id; /* ID of the mount namespace */
__u32 fs_subtype; /* [str] Subtype of fs_type (if any) */
__u32 sb_source; /* [str] Source string of the mount */
- __u64 __spare2[48];
+ __u32 opt_num; /* Number of fs options */
+ __u32 opt_array; /* [str] Array of nul terminated fs options */
+ __u64 __spare2[47];
char str[]; /* Variable size part containing strings */
};
@@ -211,6 +213,7 @@ struct mnt_id_req {
#define STATMOUNT_MNT_OPTS 0x00000080U /* Want/got mnt_opts */
#define STATMOUNT_FS_SUBTYPE 0x00000100U /* Want/got fs_subtype */
#define STATMOUNT_SB_SOURCE 0x00000200U /* Want/got sb_source */
+#define STATMOUNT_OPT_ARRAY 0x00000400U /* Want/got opt_... */
/*
* Special @mnt_id values that can be passed to listmount