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--- gold/output.cc.orig 2017-03-02 08:23:53 UTC |
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+++ gold/output.cc |
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@@ -128,8 +128,13 @@ static int |
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gold_fallocate(int o, off_t offset, off_t len) |
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{ |
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#ifdef HAVE_POSIX_FALLOCATE |
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- if (parameters->options().posix_fallocate()) |
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- return ::posix_fallocate(o, offset, len); |
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+ if (parameters->options().posix_fallocate()) { |
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+ int ret = ::posix_fallocate(o, offset, len); |
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+ // posix_fallocate is not supported by some COW file systems |
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+ // like ZFS. Fallback to ftruncate in this case. |
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+ if (ret != EINVAL || offset < 0 || len <= 0) |
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+ return ret; |
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+ } |
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#endif // defined(HAVE_POSIX_FALLOCATE) |
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#ifdef HAVE_FALLOCATE |
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if (::fallocate(o, 0, offset, len) == 0) |