/include/linux/statfs.h

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