statfs.h

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#ifndef _LINUX_STATFS_H
#define _LINUX_STATFS_H

#include <linux/types.h>
#include <asm/statfs.h>

struct kstatfs {
    long f_type;
    long f_bsize;
    u64 f_blocks;
    u64 f_bfree;
    u64 f_bavail;
    u64 f_files;
    u64 f_ffree;
    __kernel_fsid_t f_fsid;
    long f_namelen;
    long f_frsize;
    long f_flags;
    long f_spare[4];
};

/*
 * Definitions for the flag in f_flag.
 *
 * Generally these flags are equivalent to the MS_ flags used in the mount
 * ABI.  The exception is ST_VALID which has the same value as MS_REMOUNT
 * which doesn't make any sense for statfs.
 */
#define ST_RDONLY   0x0001  /* mount read-only */
#define ST_NOSUID   0x0002  /* ignore suid and sgid bits */
#define ST_NODEV    0x0004  /* disallow access to device special files */
#define ST_NOEXEC   0x0008  /* disallow program execution */
#define ST_SYNCHRONOUS  0x0010  /* writes are synced at once */
#define ST_VALID    0x0020  /* f_flags support is implemented */
#define ST_MANDLOCK 0x0040  /* allow mandatory locks on an FS */
/* 0x0080 used for ST_WRITE in glibc */
/* 0x0100 used for ST_APPEND in glibc */
/* 0x0200 used for ST_IMMUTABLE in glibc */
#define ST_NOATIME  0x0400  /* do not update access times */
#define ST_NODIRATIME   0x0800  /* do not update directory access times */
#define ST_RELATIME 0x1000  /* update atime relative to mtime/ctime */

#endif