1 #ifndef _LINUX_STATFS_H 2 #define _LINUX_STATFS_H 3 4 #include <linux/types.h> 5 #include <asm/statfs.h> 6 7 struct 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 44