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| author | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2021-02-05 20:13:58 +0000 |
|---|---|---|
| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2021-02-11 07:58:31 -0300 |
| commit | 1bfbaf7130133ae740c09e12dfdd87df26e03d39 (patch) | |
| tree | 6ce35b86fe247629bf6bb2dcdf4413fbaaf5d0a6 /include/sys | |
| parent | e7702cb56ec99521124befba3c52903842a885c1 (diff) | |
| download | glibc-1bfbaf7130133ae740c09e12dfdd87df26e03d39.tar.gz glibc-1bfbaf7130133ae740c09e12dfdd87df26e03d39.tar.xz glibc-1bfbaf7130133ae740c09e12dfdd87df26e03d39.zip | |
linux: Consolidate fstatfs implementations
The __NR_fstatfs64 syscall is supported on all architectures but
aarch64, mips64, riscv64, and x86_64. And newer ABIs also uses
the new fstatfs64 interface (where the struct size is used as
first argument).
So the default implementation now uses:
1. __NR_fstatfs64 for non-LFS call and handle overflow directly
There is no need to handle __NR_fstatfs since all architectures
that only support are LFS only.
2. __NR_fstatfs if defined or __NR_fstatfs64 otherwise for LFS
call.
Alpha is the only outlier, it is a 64-bit architecture which
provides non-LFS interface and only provides __NR_fstatfs64 on
newer kernels (5.1+).
Checked on x86_64-linux-gnu.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Diffstat (limited to 'include/sys')
| -rw-r--r-- | include/sys/statfs.h | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/include/sys/statfs.h b/include/sys/statfs.h index 8a9f5a7b3b..756930a247 100644 --- a/include/sys/statfs.h +++ b/include/sys/statfs.h @@ -6,12 +6,11 @@ /* Now define the internal interfaces. */ extern int __statfs (const char *__file, struct statfs *__buf); libc_hidden_proto (__statfs) -extern int __fstatfs (int __fildes, struct statfs *__buf) - attribute_hidden; +extern int __fstatfs (int __fildes, struct statfs *__buf); +libc_hidden_proto (__fstatfs) extern int __statfs64 (const char *__file, struct statfs64 *__buf) attribute_hidden; -extern int __fstatfs64 (int __fildes, struct statfs64 *__buf) - attribute_hidden; +extern int __fstatfs64 (int __fildes, struct statfs64 *__buf); # endif /* !_ISOMAC */ #endif |