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abcb6c9fd1
This patch series fixes the following problems on 32 bits architecture. o stat64 returns the lower 32 bits of blocks, although userland st_blocks has 64 bits, because i_blocks has only 32 bits. The ioctl with FIOQSIZE has the same problem. o As Dave Kleikamp said, making >2TB file on JFS results in writing an invalid block number to disk inode. The cause is the same as above too. o In generic quota code dquot_transfer(), the file usage is calculated from i_blocks via inode_get_bytes(). If the file is over 2TB, the change of usage is less than expected. The cause is the same as above too. o As Trond Myklebust said, statfs64's entries related to blocks are invalid on statfs64 for a network filesystem which has more than 2^32-1 blocks with CONFIG_LBD disabled. [PATCH 3/3] We made patches to fix problems that occur when handling a large filesystem and a large file. It was discussed on the mails titled "stat64 for over 2TB file returned invalid st_blocks". Signed-off-by: Takashi Sato <sho@tnes.nec.co.jp> Cc: Dave Kleikamp <shaggy@austin.ibm.com> Cc: Jan Kara <jack@ucw.cz> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
78 lines
1.6 KiB
C
78 lines
1.6 KiB
C
#ifndef _M68K_STAT_H
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#define _M68K_STAT_H
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struct __old_kernel_stat {
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unsigned short st_dev;
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unsigned short st_ino;
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unsigned short st_mode;
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unsigned short st_nlink;
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unsigned short st_uid;
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unsigned short st_gid;
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unsigned short st_rdev;
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unsigned long st_size;
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unsigned long st_atime;
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unsigned long st_mtime;
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unsigned long st_ctime;
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};
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struct stat {
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unsigned short st_dev;
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unsigned short __pad1;
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unsigned long st_ino;
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unsigned short st_mode;
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unsigned short st_nlink;
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unsigned short st_uid;
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unsigned short st_gid;
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unsigned short st_rdev;
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unsigned short __pad2;
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unsigned long st_size;
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unsigned long st_blksize;
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unsigned long st_blocks;
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unsigned long st_atime;
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unsigned long __unused1;
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unsigned long st_mtime;
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unsigned long __unused2;
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unsigned long st_ctime;
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unsigned long __unused3;
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unsigned long __unused4;
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unsigned long __unused5;
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};
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/* This matches struct stat64 in glibc2.1, hence the absolutely
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* insane amounts of padding around dev_t's.
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*/
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struct stat64 {
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unsigned long long st_dev;
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unsigned char __pad1[2];
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#define STAT64_HAS_BROKEN_ST_INO 1
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unsigned long __st_ino;
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unsigned int st_mode;
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unsigned int st_nlink;
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unsigned long st_uid;
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unsigned long st_gid;
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unsigned long long st_rdev;
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unsigned char __pad3[2];
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long long st_size;
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unsigned long st_blksize;
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unsigned long long st_blocks; /* Number 512-byte blocks allocated. */
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unsigned long st_atime;
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unsigned long st_atime_nsec;
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unsigned long st_mtime;
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unsigned long st_mtime_nsec;
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unsigned long st_ctime;
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unsigned long st_ctime_nsec;
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unsigned long long st_ino;
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};
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#endif /* _M68K_STAT_H */
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