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| author | Cary Coutant <ccoutant@gmail.com> | 2017-12-02 09:56:40 -0800 |
|---|---|---|
| committer | Cary Coutant <ccoutant@gmail.com> | 2017-12-02 09:56:40 -0800 |
| commit | 222b39c283e3fd7823ad95ccc58ae94e76b63237 (patch) | |
| tree | 760dd25601f20d8e6f6da0f2e831ba3afe540454 /gold | |
| parent | 158600eb989bcbc364c6d18259f1cb32ea9dc478 (diff) | |
| download | gdb-222b39c283e3fd7823ad95ccc58ae94e76b63237.zip gdb-222b39c283e3fd7823ad95ccc58ae94e76b63237.tar.gz gdb-222b39c283e3fd7823ad95ccc58ae94e76b63237.tar.bz2 | |
Handle case where posix_fallocate is not supported for a filesystem.
2017-12-02 Vladimir Kondratyev <vladimir@kondratyev.su>
Cary Coutant <ccoutant@gmail.com>
gold/
PR gold/22540
* output.cc (gold_fallocate): Trivial return for len == 0.
Add fallback options when posix_fallocate and fallocate return
not-supported errors.
Diffstat (limited to 'gold')
| -rw-r--r-- | gold/ChangeLog | 8 | ||||
| -rw-r--r-- | gold/output.cc | 18 |
2 files changed, 23 insertions, 3 deletions
diff --git a/gold/ChangeLog b/gold/ChangeLog index 59dd8d5..e0048b5 100644 --- a/gold/ChangeLog +++ b/gold/ChangeLog @@ -1,3 +1,11 @@ +2017-12-02 Vladimir Kondratyev <vladimir@kondratyev.su> + Cary Coutant <ccoutant@gmail.com> + + PR gold/22540 + * output.cc (gold_fallocate): Trivial return for len == 0. + Add fallback options when posix_fallocate and fallocate return + not-supported errors. + 2017-12-01 Cary Coutant <ccoutant@gmail.com> PR gold/21090 diff --git a/gold/output.cc b/gold/output.cc index 5b1e601..ed70c44 100644 --- a/gold/output.cc +++ b/gold/output.cc @@ -127,14 +127,26 @@ namespace gold static int gold_fallocate(int o, off_t offset, off_t len) { + if (len <= 0) + return 0; + #ifdef HAVE_POSIX_FALLOCATE if (parameters->options().posix_fallocate()) - return ::posix_fallocate(o, offset, len); + { + int err = ::posix_fallocate(o, offset, len); + if (err != EINVAL && err != ENOSYS && err != EOPNOTSUPP) + return err; + } #endif // defined(HAVE_POSIX_FALLOCATE) + #ifdef HAVE_FALLOCATE - if (::fallocate(o, 0, offset, len) == 0) - return 0; + { + int err = ::fallocate(o, 0, offset, len); + if (err != EINVAL && err != ENOSYS && err != EOPNOTSUPP) + return err; + } #endif // defined(HAVE_FALLOCATE) + if (::ftruncate(o, offset + len) < 0) return errno; return 0; |