statx: add mount ID

Systemd is hacking around to get it and it's trivial to add to statx, so...

Miklos Szeredi committed 6 years ago

Commit fa2fcf41 parent 761e28f3 files · +10 −1Browse files

Showing the changes to include/uapi/linux (1 of 3 files). Show all

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@@ -123,7 +123,10 @@ struct statx { · 122 unmodified lines
123	123	__u32 stx_dev_major; /* ID of device containing file [uncond] */
124	124	__u32 stx_dev_minor;
125	125	/* 0x90 */
126		− __u64 __spare2[14]; /* Spare space for future expansion */
	126	+ __u64 stx_mnt_id;
	127	+ __u64 __spare2;
	128	+ /* 0xa0 */
	129	+ __u64 __spare3[12]; /* Spare space for future expansion */
127	130	/* 0x100 */
128	131	};
129	132
@@ -148,6 +151,7 @@ struct statx { · 18 unmodified lines
148	151	#define STATX_BLOCKS 0x00000400U /* Want/got stx_blocks */
149	152	#define STATX_BASIC_STATS 0x000007ffU /* The stuff in the normal stat struct */
150	153	#define STATX_BTIME 0x00000800U /* Want/got stx_btime */
	154	+#define STATX_MNT_ID 0x00001000U /* Got stx_mnt_id */
151	155
152	156	#define STATX__RESERVED 0x80000000U /* Reserved for future struct statx expansion */
153	157