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-rw-r--r--gold/ChangeLog8
-rw-r--r--gold/output.cc18
2 files changed, 23 insertions, 3 deletions
diff --git a/gold/ChangeLog b/gold/ChangeLog
index 59dd8d5e4a..e0048b54cc 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 5b1e601d49..ed70c44867 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;