From: Darrick J. Wong Date: Thu, 24 Nov 2016 01:51:15 +0000 (-0800) Subject: generic/182: retain existing btrfs behavior when len == 0 X-Git-Tag: v2022.05.01~2292 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=738938aab26f44ccb3f3fad43f091371974ab65b;p=users%2Fhch%2Fxfstests-dev.git generic/182: retain existing btrfs behavior when len == 0 Since btrfs has always interpreted src_length=0 as "return 0 having taken no action", test for that instead. Signed-off-by: Darrick J. Wong Reviewed-by: Eryu Guan Signed-off-by: Eryu Guan --- diff --git a/tests/generic/182 b/tests/generic/182 index f484399a6..7fafec0d3 100755 --- a/tests/generic/182 +++ b/tests/generic/182 @@ -1,10 +1,10 @@ #! /bin/bash # FS QA Test No. 182 # -# Test the convention that dedupe with length == 0 means "to the end of fileA" +# Test the convention that dedupe with length == 0 always returns success. # - Create a file. -# - Try to dedupe "zero" bytes (which means dedupe to EOF). -# - Check that the dedupe happened. +# - Try to dedupe "zero" bytes. +# - Check that the dedupe happened and nothing changed. # #----------------------------------------------------------------------- # Copyright (c) 2015, Oracle and/or its affiliates. All Rights Reserved. diff --git a/tests/generic/182.out b/tests/generic/182.out index 049a3ee38..9841b76ea 100644 --- a/tests/generic/182.out +++ b/tests/generic/182.out @@ -1,12 +1,10 @@ QA output created by 182 Create the original files -dedupe: Extents did not match. f4820540fc0ac02750739896fe028d56 TEST_DIR/test-182/file1 69ad53078a16243d98e21d9f8704a071 TEST_DIR/test-182/file2 69ad53078a16243d98e21d9f8704a071 TEST_DIR/test-182/file2.chk Compare against check files Make the original file almost dedup-able -dedupe: Extents did not match. f4820540fc0ac02750739896fe028d56 TEST_DIR/test-182/file1 158d4e3578b94b89cbb44493a2110fb9 TEST_DIR/test-182/file2 158d4e3578b94b89cbb44493a2110fb9 TEST_DIR/test-182/file2.chk