1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _LINUX_STATFS_H
3 #define _LINUX_STATFS_H
4 
5 #include <linux/types.h>
6 #include <asm/statfs.h>
7 
8 struct kstatfs {
9 	long f_type;
10 	long f_bsize;
11 	u64 f_blocks;
12 	u64 f_bfree;
13 	u64 f_bavail;
14 	u64 f_files;
15 	u64 f_ffree;
16 	__kernel_fsid_t f_fsid;
17 	long f_namelen;
18 	long f_frsize;
19 	long f_flags;
20 	long f_spare[4];
21 };
22 
23 /*
24  * Definitions for the flag in f_flag.
25  *
26  * Generally these flags are equivalent to the MS_ flags used in the mount
27  * ABI.  The exception is ST_VALID which has the same value as MS_REMOUNT
28  * which doesn't make any sense for statfs.
29  */
30 #define ST_RDONLY	0x0001	/* mount read-only */
31 #define ST_NOSUID	0x0002	/* ignore suid and sgid bits */
32 #define ST_NODEV	0x0004	/* disallow access to device special files */
33 #define ST_NOEXEC	0x0008	/* disallow program execution */
34 #define ST_SYNCHRONOUS	0x0010	/* writes are synced at once */
35 #define ST_VALID	0x0020	/* f_flags support is implemented */
36 #define ST_MANDLOCK	0x0040	/* allow mandatory locks on an FS */
37 /* 0x0080 used for ST_WRITE in glibc */
38 /* 0x0100 used for ST_APPEND in glibc */
39 /* 0x0200 used for ST_IMMUTABLE in glibc */
40 #define ST_NOATIME	0x0400	/* do not update access times */
41 #define ST_NODIRATIME	0x0800	/* do not update directory access times */
42 #define ST_RELATIME	0x1000	/* update atime relative to mtime/ctime */
43 
44 #endif
45