mirror of
https://github.com/torvalds/linux.git
synced 2024-11-25 13:41:51 +00:00
365b181897
Add a flags field to help glibc implementing statvfs(3) efficiently. We copy the flag values from glibc, and add a new ST_VALID flag to denote that f_flags is implemented. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
87 lines
1.8 KiB
C
87 lines
1.8 KiB
C
#ifndef _GENERIC_STATFS_H
|
|
#define _GENERIC_STATFS_H
|
|
|
|
#include <linux/types.h>
|
|
|
|
#ifdef __KERNEL__
|
|
typedef __kernel_fsid_t fsid_t;
|
|
#endif
|
|
|
|
/*
|
|
* Most 64-bit platforms use 'long', while most 32-bit platforms use '__u32'.
|
|
* Yes, they differ in signedness as well as size.
|
|
* Special cases can override it for themselves -- except for S390x, which
|
|
* is just a little too special for us. And MIPS, which I'm not touching
|
|
* with a 10' pole.
|
|
*/
|
|
#ifndef __statfs_word
|
|
#if BITS_PER_LONG == 64
|
|
#define __statfs_word long
|
|
#else
|
|
#define __statfs_word __u32
|
|
#endif
|
|
#endif
|
|
|
|
struct statfs {
|
|
__statfs_word f_type;
|
|
__statfs_word f_bsize;
|
|
__statfs_word f_blocks;
|
|
__statfs_word f_bfree;
|
|
__statfs_word f_bavail;
|
|
__statfs_word f_files;
|
|
__statfs_word f_ffree;
|
|
__kernel_fsid_t f_fsid;
|
|
__statfs_word f_namelen;
|
|
__statfs_word f_frsize;
|
|
__statfs_word f_flags;
|
|
__statfs_word f_spare[4];
|
|
};
|
|
|
|
/*
|
|
* ARM needs to avoid the 32-bit padding at the end, for consistency
|
|
* between EABI and OABI
|
|
*/
|
|
#ifndef ARCH_PACK_STATFS64
|
|
#define ARCH_PACK_STATFS64
|
|
#endif
|
|
|
|
struct statfs64 {
|
|
__statfs_word f_type;
|
|
__statfs_word f_bsize;
|
|
__u64 f_blocks;
|
|
__u64 f_bfree;
|
|
__u64 f_bavail;
|
|
__u64 f_files;
|
|
__u64 f_ffree;
|
|
__kernel_fsid_t f_fsid;
|
|
__statfs_word f_namelen;
|
|
__statfs_word f_frsize;
|
|
__statfs_word f_flags;
|
|
__statfs_word f_spare[4];
|
|
} ARCH_PACK_STATFS64;
|
|
|
|
/*
|
|
* IA64 and x86_64 need to avoid the 32-bit padding at the end,
|
|
* to be compatible with the i386 ABI
|
|
*/
|
|
#ifndef ARCH_PACK_COMPAT_STATFS64
|
|
#define ARCH_PACK_COMPAT_STATFS64
|
|
#endif
|
|
|
|
struct compat_statfs64 {
|
|
__u32 f_type;
|
|
__u32 f_bsize;
|
|
__u64 f_blocks;
|
|
__u64 f_bfree;
|
|
__u64 f_bavail;
|
|
__u64 f_files;
|
|
__u64 f_ffree;
|
|
__kernel_fsid_t f_fsid;
|
|
__u32 f_namelen;
|
|
__u32 f_frsize;
|
|
__u32 f_flags;
|
|
__u32 f_spare[4];
|
|
} ARCH_PACK_COMPAT_STATFS64;
|
|
|
|
#endif
|