According to description of NFS and directIO in open(2), especially "The Linux NFS client places no alignment restrictions on O_DIRECT I/O", ignore "odd count"/"non-aligned" read-write FAILs in diotest4.
Signed-off-by: Xiong Zhou <[email protected]> --- testcases/kernel/io/direct_io/diotest4.c | 51 +++++++++++--------------------- 1 file changed, 18 insertions(+), 33 deletions(-) diff --git a/testcases/kernel/io/direct_io/diotest4.c b/testcases/kernel/io/direct_io/diotest4.c index 12372d7..fa90a1e 100644 --- a/testcases/kernel/io/direct_io/diotest4.c +++ b/testcases/kernel/io/direct_io/diotest4.c @@ -71,9 +71,11 @@ #include "test.h" #include "usctest.h" +#include "tst_fs_type.h" char *TCID = "diotest4"; /* Test program identifier. */ int TST_TOTAL = 17; /* Total number of test conditions */ +int NO_NFS = 1; /* Test on NFS or not */ #ifdef O_DIRECT @@ -265,13 +267,12 @@ int main(int argc, char *argv[]) if (write(fd, buf2, 4096) == -1) { tst_resm(TFAIL, "can't write to file %d", ret); } - ret = runtest_f(fd, buf2, offset, count, EINVAL, 3, "odd count"); - if (ret != 0) { - failed = TRUE; - fail_count++; - tst_resm(TFAIL, "Odd count of read and write"); + if (NO_NFS) { + ret = runtest_f(fd, buf2, offset, count, EINVAL, 3, "odd count"); + testcheck_end(ret, &failed, &fail_count, + "Odd count of read and write"); } else - tst_resm(TPASS, "Odd count of read and write"); + tst_resm(TCONF, "NFS support odd count IO"); total++; /* Test-4: Read beyond the file size */ @@ -432,39 +433,19 @@ int main(int argc, char *argv[]) /* Test-14: read, write with non-aligned buffer */ offset = 4096; count = bufsize; - l_fail = 0; if ((fd = open(filename, O_DIRECT | O_RDWR)) < 0) { tst_brkm(TBROK, cleanup, "can't open %s: %s", filename, strerror(errno)); } - if (lseek(fd, offset, SEEK_SET) < 0) { - tst_resm(TFAIL, "lseek before read failed: %s", - strerror(errno)); - l_fail = TRUE; - } else { - if ((ret = read(fd, buf2 + 1, count)) != -1) { - tst_resm(TFAIL, - "allows read nonaligned buf. returns %d: %s", - ret, strerror(errno)); - l_fail = TRUE; - } - } - if (lseek(fd, offset, SEEK_SET) < 0) { - tst_resm(TFAIL, "lseek before read failed: %s", - strerror(errno)); - l_fail = TRUE; - } else { - if ((ret = write(fd, buf2 + 1, count)) != -1) { - tst_resm(TFAIL, - "allows write nonaligned buf. returns %d: %s", - ret, strerror(errno)); - l_fail = TRUE; - } - } - testcheck_end(l_fail, &failed, &fail_count, + if (NO_NFS) { + ret = runtest_f(fd, buf2 + 1, offset, count, EINVAL, 14, + " nonaligned buf"); + testcheck_end(ret, &failed, &fail_count, "read, write with non-aligned buffer"); - total++; + } else + tst_resm(TCONF, "NFS support read, write with non-aligned buffer"); close(fd); + total++; /* Test-15: read, write buffer in read-only space */ offset = 4096; @@ -573,6 +554,10 @@ static void setup(void) strerror(errno)); } close(fd1); + + /* On NFS or not */ + if (tst_fs_type(cleanup, ".") == TST_NFS_MAGIC) + NO_NFS = 0; } static void cleanup(void) -- 1.8.3.1 ------------------------------------------------------------------------------ Slashdot TV. Video for Nerds. Stuff that matters. http://tv.slashdot.org/ _______________________________________________ Ltp-list mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/ltp-list
