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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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92a7507926
At the moment, 64-bit platforms (other than Alpha) are all redefining things for themselves instead of using <asm-generic/statfs.h>. As is ARM, since it has special requirements w.r.t. padding. Make <asm-generic/statfs.h> more generic, and they can use it directly. Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
83 lines
1.7 KiB
C
83 lines
1.7 KiB
C
#ifndef _GENERIC_STATFS_H
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#define _GENERIC_STATFS_H
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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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/*
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* Most 64-bit platforms use 'long', while most 32-bit platforms use '__u32'.
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* Yes, they differ in signedness as well as size.
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* Special cases can override it for themselves -- except for S390x, which
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* is just a little too special for us. And MIPS, which I'm not touching
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* with a 10' pole.
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*/
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#ifndef __statfs_word
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#if BITS_PER_LONG == 64
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#define __statfs_word long
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#else
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#define __statfs_word __u32
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#endif
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#endif
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struct statfs {
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__statfs_word f_type;
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__statfs_word f_bsize;
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__statfs_word f_blocks;
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__statfs_word f_bfree;
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__statfs_word f_bavail;
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__statfs_word f_files;
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__statfs_word f_ffree;
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__kernel_fsid_t f_fsid;
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__statfs_word f_namelen;
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__statfs_word f_frsize;
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__statfs_word f_spare[5];
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};
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/*
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* ARM needs to avoid the 32-bit padding at the end, for consistency
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* between EABI and OABI
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*/
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#ifndef ARCH_PACK_STATFS64
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#define ARCH_PACK_STATFS64
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#endif
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struct statfs64 {
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__statfs_word f_type;
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__statfs_word f_bsize;
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__u64 f_blocks;
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__u64 f_bfree;
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__u64 f_bavail;
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__u64 f_files;
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__u64 f_ffree;
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__kernel_fsid_t f_fsid;
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__statfs_word f_namelen;
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__statfs_word f_frsize;
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__statfs_word f_spare[5];
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} ARCH_PACK_STATFS64;
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/*
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* IA64 and x86_64 need to avoid the 32-bit padding at the end,
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* to be compatible with the i386 ABI
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*/
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#ifndef ARCH_PACK_COMPAT_STATFS64
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#define ARCH_PACK_COMPAT_STATFS64
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#endif
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struct compat_statfs64 {
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__u32 f_type;
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__u32 f_bsize;
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__u64 f_blocks;
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__u64 f_bfree;
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__u64 f_bavail;
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__u64 f_files;
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__u64 f_ffree;
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__kernel_fsid_t f_fsid;
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__u32 f_namelen;
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__u32 f_frsize;
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__u32 f_spare[5];
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} ARCH_PACK_COMPAT_STATFS64;
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#endif
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