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6d9406f80c
pahole says:
struct compat_statfs64 {
...
u32 f_spare[4]; /* 68 16 */
/* size: 88, cachelines: 1, members: 12 */
/* padding: 4 */
struct statfs {
...
unsigned int f_spare[4]; /* 68 16 */
/* size: 88, cachelines: 1, members: 12 */
/* padding: 4 */
struct statfs64 {
...
unsigned int f_spare[4]; /* 68 16 */
/* size: 88, cachelines: 1, members: 12 */
/* padding: 4 */
One has to keep the existence of padding in mind when working with
these structs. Grow f_spare arrays to 5 in order to simplify things.
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Link: https://lore.kernel.org/r/20230504144021.808932-3-iii@linux.ibm.com
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
52 lines
1.0 KiB
C
52 lines
1.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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* S390 version
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*
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* Derived from "include/asm-i386/statfs.h"
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*/
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#ifndef _S390_STATFS_H
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#define _S390_STATFS_H
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/*
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* We can't use <asm-generic/statfs.h> because in 64-bit mode
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* we mix ints of different sizes in our struct statfs.
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*/
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#ifndef __KERNEL_STRICT_NAMES
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#include <linux/types.h>
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typedef __kernel_fsid_t fsid_t;
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#endif
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struct statfs {
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unsigned int f_type;
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unsigned int f_bsize;
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unsigned long f_blocks;
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unsigned long f_bfree;
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unsigned long f_bavail;
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unsigned long f_files;
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unsigned long f_ffree;
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__kernel_fsid_t f_fsid;
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unsigned int f_namelen;
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unsigned int f_frsize;
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unsigned int f_flags;
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unsigned int f_spare[5];
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};
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struct statfs64 {
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unsigned int f_type;
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unsigned int f_bsize;
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unsigned long long f_blocks;
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unsigned long long f_bfree;
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unsigned long long f_bavail;
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unsigned long long f_files;
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unsigned long long f_ffree;
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__kernel_fsid_t f_fsid;
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unsigned int f_namelen;
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unsigned int f_frsize;
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unsigned int f_flags;
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unsigned int f_spare[5];
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};
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#endif
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