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add f_flags to struct statfs(64)

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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 <[email protected]>
Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Christoph Hellwig 2010-07-07 18:53:25 +02:00 • committed by Al Viro
commit 365b181897
5 changed files with 89 additions and 13 deletions
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12
arch/mips/include/asm/statfs.h
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@ -33,7 +33,8 @@ struct statfs {
/* Linux specials */
__kernel_fsid_t f_fsid;
long f_namelen;
long f_spare[6];
long f_flags;
long f_spare[5];
};
#if (_MIPS_SIM == _MIPS_SIM_ABI32) || (_MIPS_SIM == _MIPS_SIM_NABI32)
@ -53,7 +54,8 @@ struct statfs64 {
__u64 f_bavail;
__kernel_fsid_t f_fsid;
__u32 f_namelen;
__u32 f_spare[6];
__u32 f_flags;
__u32 f_spare[5];
};
#endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */
@ -73,7 +75,8 @@ struct statfs64 { /* Same as struct statfs */
/* Linux specials */
__kernel_fsid_t f_fsid;
long f_namelen;
long f_spare[6];
long f_flags;
long f_spare[5];
};
struct compat_statfs64 {
@ -88,7 +91,8 @@ struct compat_statfs64 {
__u64 f_bavail;
__kernel_fsid_t f_fsid;
__u32 f_namelen;
__u32 f_spare[6];
__u32 f_flags;
__u32 f_spare[5];
};
#endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */