From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr0-f195.google.com ([209.85.128.195]:33482 "EHLO mail-wr0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751811AbdH3Ovd (ORCPT ); Wed, 30 Aug 2017 10:51:33 -0400 From: Amir Goldstein Subject: [PATCH v2 09/14] fsx: add support for -g filldata Date: Wed, 30 Aug 2017 17:51:41 +0300 Message-Id: <1504104706-11965-10-git-send-email-amir73il@gmail.com> In-Reply-To: <1504104706-11965-1-git-send-email-amir73il@gmail.com> References: <1504104706-11965-1-git-send-email-amir73il@gmail.com> Sender: fstests-owner@vger.kernel.org To: Eryu Guan Cc: Josef Bacik , "Darrick J . Wong" , Christoph Hellwig , fstests@vger.kernel.org, linux-xfs@vger.kernel.org List-ID: -g X: write character X instead of random generated data This is useful to compare holes between good and bad buffer. Signed-off-by: Amir Goldstein --- ltp/fsx.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/ltp/fsx.c b/ltp/fsx.c index dd6b637..a75bc55 100644 --- a/ltp/fsx.c +++ b/ltp/fsx.c @@ -132,6 +132,7 @@ unsigned long simulatedopcount = 0; /* -b flag */ int closeprob = 0; /* -c flag */ int debug = 0; /* -d flag */ unsigned long debugstart = 0; /* -D flag */ +char filldata = 0; /* -g flag */ int logid = 0; /* -j flag */ int flush = 0; /* -f flag */ int do_fsync = 0; /* -y flag */ @@ -817,6 +818,8 @@ gendata(char *original_buf, char *good_buf, unsigned offset, unsigned size) good_buf[offset] = testcalls % 256; if (offset % 2) good_buf[offset] += original_buf[offset]; + if (filldata) + good_buf[offset] = filldata; offset++; } } @@ -1631,11 +1634,12 @@ void usage(void) { fprintf(stdout, "usage: %s", - "fsx [-dnqxAFLOWZ] [-b opnum] [-c Prob] [-i logdev] [-j logid] [-l flen] [-m start:end] [-o oplen] [-p progressinterval] [-r readbdy] [-s style] [-t truncbdy] [-w writebdy] [-D startingop] [-N numops] [-P dirpath] [-S seed] fname\n\ + "fsx [-dnqxAFLOWZ] [-b opnum] [-c Prob] [-g filldata] [-i logdev] [-j logid] [-l flen] [-m start:end] [-o oplen] [-p progressinterval] [-r readbdy] [-s style] [-t truncbdy] [-w writebdy] [-D startingop] [-N numops] [-P dirpath] [-S seed] fname\n\ -b opnum: beginning operation number (default 1)\n\ -c P: 1 in P chance of file close+open at each op (default infinity)\n\ -d: debug output for all operations\n\ -f flush and invalidate cache after I/O\n\ + -g X: write character X instead of random generated data\n\ -i logdev: do integrity testing, logdev is the dm log writes device\n\ -j logid: prefix logs with this id\n\ -l flen: the upper bound on file size (default 262144)\n\ @@ -1873,7 +1877,7 @@ main(int argc, char **argv) setvbuf(stdout, (char *)0, _IOLBF, 0); /* line buffered stdout */ while ((ch = getopt_long(argc, argv, - "b:c:dfi:j:l:m:no:p:qr:s:t:w:xyAD:FKHzCILN:OP:RS:WZ", + "b:c:dfg:i:j:l:m:no:p:qr:s:t:w:xyAD:FKHzCILN:OP:RS:WZ", longopts, NULL)) != EOF) switch (ch) { case 'b': @@ -1900,6 +1904,9 @@ main(int argc, char **argv) case 'f': flush = 1; break; + case 'g': + filldata = *optarg; + break; case 'i': integrity = 1; logdev = strdup(optarg); -- 2.7.4