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713c481519
Patch from Nicolas Pitre struct statfs64 has extra padding with EABI growing its size from 84 to 88. This struct is now __attribute__((packed,aligned(4))) with a small assembly wrapper to force the sz argument to 84 if it is 88 to avoid copying the extra padding over user space memory unexpecting it. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
43 lines
823 B
C
43 lines
823 B
C
#ifndef _ASMARM_STATFS_H
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#define _ASMARM_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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struct statfs {
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__u32 f_type;
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__u32 f_bsize;
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__u32 f_blocks;
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__u32 f_bfree;
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__u32 f_bavail;
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__u32 f_files;
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__u32 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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};
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/*
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* With EABI there is 4 bytes of padding added to this structure.
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* Let's pack it so the padding goes away to simplify dual ABI support.
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* Note that user space does NOT have to pack this structure.
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*/
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struct 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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} __attribute__ ((packed,aligned(4)));
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#endif
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