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| author | John Högberg <[email protected]> | 2017-10-25 15:11:31 +0200 |
|---|---|---|
| committer | John Högberg <[email protected]> | 2017-11-30 15:44:37 +0100 |
| commit | c6f47dd9919c8b1555980a990cbc7af0fd1ca529 (patch) | |
| tree | f1ecc0954b4e2f64350a9fc0286032a2b1097be8 | |
| parent | 7c76526c4cae5f5dcc4ccd858f0a33d81c46d5f6 (diff) | |
| download | otp-c6f47dd9919c8b1555980a990cbc7af0fd1ca529.tar.gz otp-c6f47dd9919c8b1555980a990cbc7af0fd1ca529.tar.bz2 otp-c6f47dd9919c8b1555980a990cbc7af0fd1ca529.zip | |
Stop testing the artificial size limit on writes
The old driver didn't fall back to using write(2) if writev(2) failed
due to the combined length of the iov overflowing a ssize_t, but the
new one doesn't have any problems with it so we failed this test with
a case_clause error on 32-bit machines.
| -rw-r--r-- | lib/kernel/test/prim_file_SUITE.erl | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/lib/kernel/test/prim_file_SUITE.erl b/lib/kernel/test/prim_file_SUITE.erl index 8a1e99b332..db753679ea 100644 --- a/lib/kernel/test/prim_file_SUITE.erl +++ b/lib/kernel/test/prim_file_SUITE.erl @@ -1113,15 +1113,10 @@ do_large_write(Name) -> Chunk = <<0:ChunkSize/unit:8>>, Data = zip_data(lists:duplicate(Chunks, Chunk), Interleave), Size = Chunks * ChunkSize + Chunks, % 4 G + 32 - Wordsize = erlang:system_info(wordsize), - case ?PRIM_FILE:write_file(Name, Data) of - ok when Wordsize =:= 8 -> - {ok,#file_info{size=Size}} = file:read_file_info(Name), - {ok,Fd} = ?PRIM_FILE:open(Name, [read]), - check_large_write(Fd, ChunkSize, 0, Interleave); - {error,einval} when Wordsize =:= 4 -> - ok - end. + ok = ?PRIM_FILE:write_file(Name, Data), + {ok,#file_info{size=Size}} = file:read_file_info(Name), + {ok,Fd} = ?PRIM_FILE:open(Name, [read]), + check_large_write(Fd, ChunkSize, 0, Interleave). check_large_write(Fd, ChunkSize, Pos, [X|Interleave]) -> Pos1 = Pos + ChunkSize, |