On Sun, 2009-06-07 at 12:09 +0200, Jiri Palecek > wrote: 
> Hello,
> 
> this patch makes the cleanup procedure in diotest more robust. Particularly:
> 
>  - simplify cleanup by creating setup and cleanup routines
> 
>  - use tst_tmpdir() to create the test files in a temporary
>    directory. Note that you can still make it use a different path
>    with the -f filename option
> 
>  - delete the file in the case it was created, but couldn't be opened
>    with O_DIRECT
> 
> Regards
>     Jiri Palecek
> 
> Signed-off-by: Jiri Palecek <[email protected]>

Thanks.

Regards--
Subrata

> ---
>  testcases/kernel/io/direct_io/diotest2.c  |   67 +++++++++-------
>  testcases/kernel/io/direct_io/diotest3.c  |   43 +++++++---
>  testcases/kernel/io/direct_io/diotest4.c  |  123 +++++++++++++---------------
>  testcases/kernel/io/direct_io/diotest5.c  |   62 +++++++++------
>  testcases/kernel/io/direct_io/diotest6.c  |   41 ++++++++--
>  5 files changed, 207 insertions(+), 143 deletions(-)
> 
> diff --git a/testcases/kernel/io/direct_io/diotest2.c 
> b/testcases/kernel/io/direct_io/diotest2.c
> index 3e2feb8..fb87094 100644
> --- a/testcases/kernel/io/direct_io/diotest2.c
> +++ b/testcases/kernel/io/direct_io/diotest2.c
> @@ -133,6 +133,10 @@ prg_usage()
>       tst_exit();
>  }
> 
> +int fd1 = -1;
> +char filename[LEN];
> +static void setup(void);
> +static void cleanup(void);
> 
>  int
>  main(int argc, char *argv[])
> @@ -140,9 +144,8 @@ main(int argc, char *argv[])
>       int     iter = 100;             /* Iterations. Default 100 */
>       int     bufsize = BUFSIZE;      /* Buffer size. Default 4k */
>       off64_t offset = 0;             /* Offset. Default 0 */
> -     int     i, action, fd_r, fd_w, fd1;
> +     int     i, action, fd_r, fd_w;
>       int     fail_count = 0, total = 0, failed = 0;
> -     char    filename[LEN];
> 
>       /* Options */
>       sprintf(filename,"testdata-2.%ld", syscall(__NR_gettid));
> @@ -178,27 +181,17 @@ main(int argc, char *argv[])
>               }
>       }
> 
> -        /* Test for filesystem support of O_DIRECT */
> -        if ((fd1 = open(filename, O_DIRECT|O_CREAT, 0666)) < 0) {
> -                 tst_resm(TCONF,"O_DIRECT is not supported by this 
> filesystem.");
> -                 tst_exit();
> -        }else{
> -                close(fd1);
> -        }
> +     setup();
> 
>       /* Testblock-1: Read with Direct IO, Write without */
>       action = READ_DIRECT;
>       if ((fd_w = open(filename, O_WRONLY|O_CREAT, 0666)) < 0) {
> -             tst_resm(TFAIL, "fd_w,open failed for %s: %s",
> +             tst_brkm(TBROK, cleanup, "fd_w,open failed for %s: %s",
>                       filename, strerror(errno));
> -             tst_exit ();
>       }
>       if ((fd_r = open(filename, O_DIRECT|O_RDONLY, 0666)) < 0) {
> -             tst_resm(TFAIL, "fd_r,open failed for %s: %s",
> +             tst_brkm(TBROK, cleanup, "fd_r,open failed for %s: %s",
>                       filename, strerror(errno));
> -             close(fd_w);
> -             unlink (filename);
> -             tst_exit();
>       }
>       if (runtest(fd_r, fd_w, iter, offset, action) < 0) {
>               failed = TRUE;
> @@ -217,16 +210,12 @@ main(int argc, char *argv[])
>       /* Testblock-2: Write with Direct IO, Read without */
>       action = WRITE_DIRECT;
>       if ((fd_w = open(filename, O_DIRECT|O_WRONLY|O_CREAT, 0666)) < 0) {
> -             tst_resm(TFAIL, "fd_w,open failed for %s: %s",
> +             tst_brkm(TBROK, cleanup, "fd_w,open failed for %s: %s",
>                       filename, strerror(errno));
> -             tst_exit();
>       }
>       if ((fd_r = open(filename, O_RDONLY|O_CREAT, 0666)) < 0) {
> -             tst_resm(TFAIL, "fd_r,open failed for %s: %s",
> +             tst_brkm(TBROK, cleanup, "fd_r,open failed for %s: %s",
>                       filename, strerror(errno));
> -             close(fd_w);
> -             unlink (filename);
> -             tst_exit();
>       }
>       if (runtest(fd_r, fd_w, iter, offset, action) < 0) {
>               failed = TRUE;
> @@ -243,16 +232,12 @@ main(int argc, char *argv[])
>       /* Testblock-3: Read, Write with Direct IO. */
>       action = RDWR_DIRECT;
>       if ((fd_w = open(filename, O_DIRECT|O_WRONLY|O_CREAT, 0666)) < 0) {
> -             tst_resm(TFAIL, "fd_w,open failed for %s: %s",
> +             tst_brkm(TBROK, cleanup, "fd_w,open failed for %s: %s",
>                       filename, strerror(errno));
> -             tst_exit();
>       }
>       if ((fd_r = open(filename, O_DIRECT|O_RDONLY|O_CREAT, 0666)) < 0) {
> -             tst_resm(TFAIL, "fd_r,open failed for %s: %s",
> +             tst_brkm(TBROK, cleanup, "fd_r,open failed for %s: %s",
>                       filename, strerror(errno));
> -             close (fd_w);
> -             unlink (filename);
> -             tst_exit();
>       }
>       if (runtest(fd_r, fd_w, iter, offset, action) < 0) {
>               failed = TRUE;
> @@ -273,10 +258,36 @@ main(int argc, char *argv[])
>               tst_resm(TINFO, "%d testblocks %d iterations completed",
>                       total, iter);
>       }
> -     tst_exit ();
> +     cleanup();
>       return 0;
>  }
> 
> +static void setup(void)
> +{
> +     tst_tmpdir();
> +
> +     if ((fd1 = open(filename, O_CREAT|O_EXCL, 0600)) < 0) {
> +             tst_brkm(TBROK, cleanup, "Couldn't create test file %s: %s", 
> filename, strerror(errno));
> +     }
> +     close(fd1);
> +
> +     /* Test for filesystem support of O_DIRECT */
> +     if ((fd1 = open(filename, O_DIRECT, 0600)) < 0) {
> +             tst_brkm(TCONF, cleanup, "O_DIRECT is not supported by this 
> filesystem. %s", strerror(errno));
> +     }
> +
> +}
> +
> +static void cleanup(void)
> +{
> +     if(fd1 != -1)
> +             unlink(filename);
> +
> +     tst_rmdir();
> +
> +     tst_exit();
> +}
> +
>  #else /* O_DIRECT */
> 
>  int
> diff --git a/testcases/kernel/io/direct_io/diotest3.c 
> b/testcases/kernel/io/direct_io/diotest3.c
> index db6815b..5ef5d67 100644
> --- a/testcases/kernel/io/direct_io/diotest3.c
> +++ b/testcases/kernel/io/direct_io/diotest3.c
> @@ -227,6 +227,9 @@ child_function(int childnum, int action)
>       exit(0);
>  }
> 
> +static void setup(void);
> +static void cleanup(void);
> +static int fd1 = -1;
> 
>  int
>  main(int argc, char *argv[])
> @@ -234,7 +237,6 @@ main(int argc, char *argv[])
>       int     *pidlst;
>       int     numchild = 1;   /* Number of children. Default 5 */
>       int     i, fail_count = 0, failed = 0, total = 0;
> -     int     fd1;
> 
>       /* Options */
>       while ((i = getopt(argc, argv, "b:o:i:n:f:")) != -1) {
> @@ -276,13 +278,7 @@ main(int argc, char *argv[])
>       }
>       sprintf(filename,"testdata-3.%ld", syscall(__NR_gettid));
> 
> -        /* Test for filesystem support of O_DIRECT */
> -        if ((fd1 = open(filename, O_DIRECT|O_CREAT, 0666)) < 0) {
> -                 tst_resm(TCONF,"O_DIRECT is not supported by this 
> filesystem.");
> -                 tst_exit();
> -        }else{
> -                close(fd1);
> -        }
> +     setup();
> 
> 
>       /* Testblock-1: Read with Direct IO, Write without */
> @@ -346,15 +342,38 @@ main(int argc, char *argv[])
>       if (failed) {
>               tst_resm(TINFO, "%d/%d testblocks failed",
>                       fail_count, total);
> -             tst_exit();
>       }
> -     tst_resm(TINFO, "%d testblocks %d iterations with %d children 
> completed",
> -                     total, iter, numchild);
> -     tst_exit();
> +     else
> +             tst_resm(TINFO, "%d testblocks %d iterations with %d children 
> completed",
> +                                              total, iter, numchild);
> +     cleanup();
>       return 0;
>  }
> 
> +static void setup(void)
> +{
> +     tst_tmpdir();
> +
> +     if ((fd1 = open(filename, O_CREAT|O_EXCL, 0600)) < 0) {
> +             tst_brkm(TBROK, cleanup, "Couldn't create test file %s: %s", 
> filename, strerror(errno));
> +     }
> +     close(fd1);
> +
> +     /* Test for filesystem support of O_DIRECT */
> +     if ((fd1 = open(filename, O_DIRECT, 0600)) < 0) {
> +             tst_brkm(TCONF, cleanup, "O_DIRECT is not supported by this 
> filesystem. %s", strerror(errno));
> +     }
> +}
> +
> +static void cleanup(void)
> +{
> +     if(fd1 != -1)
> +             unlink(filename);
> +
> +     tst_rmdir();
> 
> +     tst_exit();
> +}
>  #else /* O_DIRECT */
> 
>  int
> diff --git a/testcases/kernel/io/direct_io/diotest4.c 
> b/testcases/kernel/io/direct_io/diotest4.c
> index 362b993..1c3fa0e 100644
> --- a/testcases/kernel/io/direct_io/diotest4.c
> +++ b/testcases/kernel/io/direct_io/diotest4.c
> @@ -178,6 +178,11 @@ prg_usage()
>          exit(1);
>  }
> 
> +static void setup(void);
> +static void cleanup(void);
> +static int fd1 = -1;
> +static char filename[LEN];
> +
>  int
>  main(int argc, char *argv[])
>  {
> @@ -185,15 +190,13 @@ main(int argc, char *argv[])
>          int     bufsize = BUFSIZE;
>          int     count, ret;
>       int     offset;
> -        int     fd, newfd, fd1;
> +        int     fd, newfd;
>          int     i, l_fail = 0, fail_count = 0, total = 0;
>       int     failed = 0;
>       int     shmsz = SHMLBA;
>       int     pagemask = ~(sysconf(_SC_PAGE_SIZE) - 1);
>          char    *buf0, *buf1, *buf2;
> -     char    filename[LEN];
>       caddr_t shm_base;
> -     struct  sigaction act;
> 
>       /* Options */
>       while ((i = getopt(argc, argv, "b:")) != -1) {
> @@ -208,50 +211,31 @@ main(int argc, char *argv[])
>                       prg_usage();
>               }
>       }
> -     act.sa_handler = SIG_IGN;
> -     (void) sigaction(SIGXFSZ, &act, NULL);
> -        sprintf(filename,"testdata-4.%ld", syscall(__NR_gettid));
> -
> -        /* Test for filesystem support of O_DIRECT */
> -        if ((fd1 = open(filename, O_DIRECT|O_CREAT, 0666)) < 0) {
> -                 tst_resm(TCONF,"O_DIRECT is not supported by this 
> filesystem.");
> -                 tst_exit();
> -        }else{
> -                close(fd1);
> -        }
> +
> +     setup();
> 
>       /* Open file and fill, allocate for buffer */
>          if ((fd = open(filename, O_DIRECT|O_RDWR|O_CREAT, 0666)) < 0) {
> -             tst_resm(TFAIL, "open failed for %s: %s",
> +             tst_brkm(TBROK, cleanup, "open failed for %s: %s",
>                       filename, strerror(errno));
> -                tst_exit();
>          }
>          if ((buf0 = valloc(BUFSIZE)) == NULL) {
> -             tst_resm(TFAIL, "valloc() buf0 failed: %s", strerror(errno));
> -                unlink(filename);
> -                tst_exit();
> +             tst_brkm(TBROK, cleanup, "valloc() buf0 failed: %s", 
> strerror(errno));
>          }
>          for (i = 1; i < fblocks; i++) {
>                  fillbuf(buf0, BUFSIZE, (char)i);
>                  if (write(fd, buf0, BUFSIZE) < 0) {
> -                     tst_resm(TFAIL, "write failed for %s: %s",
> +                     tst_brkm(TBROK, cleanup, "write failed for %s: %s",
>                               filename, strerror(errno));
> -                     close(fd);
> -                        unlink(filename);
> -                        tst_exit();
>                  }
>          }
>       close(fd);
>          if ((buf2 = valloc(BUFSIZE)) == NULL) {
> -             tst_resm(TFAIL, "valloc() buf2 failed: %s", strerror(errno));
> -                unlink(filename);
> -                tst_exit();
> +             tst_brkm(TBROK, cleanup, "valloc() buf2 failed: %s", 
> strerror(errno));
>          }
>          if ((fd = open(filename, O_DIRECT|O_RDWR)) < 0) {
> -             tst_resm(TFAIL, "open failed for %s: %s",
> +             tst_brkm(TBROK, cleanup, "open failed for %s: %s",
>                               filename, strerror(errno));
> -                unlink(filename);
> -                tst_exit();
>          }
> 
>       /* Test-1: Negative Offset */
> @@ -349,9 +333,7 @@ main(int argc, char *argv[])
>       offset = 4096;
>       count = bufsize;
>          if (close(fd) < 0) {
> -             tst_resm(TFAIL, "can't close fd %d: %s", fd, strerror(errno));
> -                unlink(filename);
> -                tst_exit();
> +             tst_brkm(TBROK, cleanup, "can't close fd %d: %s", fd, 
> strerror(errno));
>          }
>       ret = runtest_f(fd, buf2, offset, count, EBADF, 7, "closed fd");
>       if (ret != 0) {
> @@ -387,24 +369,18 @@ main(int argc, char *argv[])
>       /* Test-10: read, write to a mmaped file */
>       shm_base = (char *)(((long)sbrk(0) + (shmsz-1)) & ~(shmsz-1));
>          if (shm_base == NULL) {
> -             tst_resm(TFAIL, "sbrk failed: %s", strerror(errno));
> -                unlink(filename);
> -                tst_exit();
> +             tst_brkm(TBROK, cleanup, "sbrk failed: %s", strerror(errno));
>          }
>       offset = 4096;
>       count = bufsize;
>       if ((fd = open(filename, O_DIRECT|O_RDWR)) < 0) {
> -             tst_resm(TFAIL, "can't open %s: %s",
> +             tst_brkm(TBROK, cleanup, "can't open %s: %s",
>                       filename, strerror(errno));
> -                unlink(filename);
> -                tst_exit();
>          }
>       shm_base = mmap(shm_base, 0x100000, PROT_READ|PROT_WRITE,
>                       MAP_SHARED|MAP_FIXED, fd, 0);
>          if (shm_base == (caddr_t)-1) {
> -                tst_resm(TFAIL, "can't mmap file: %s", strerror(errno));
> -                unlink(filename);
> -                tst_exit();
> +             tst_brkm(TBROK, cleanup, "can't mmap file: %s", 
> strerror(errno));
>          }
>       ret = runtest_s(fd, buf2, offset, count, 10, "mmapped file");
>       if (ret != 0) {
> @@ -419,9 +395,7 @@ main(int argc, char *argv[])
> 
>       /* Test-11: read, write to an unmaped file with munmap */
>       if ((ret = munmap(shm_base, 0x100000)) < 0) {
> -                tst_resm(TFAIL, "can't unmap file: %s", strerror(errno));
> -                unlink(filename);
> -                tst_exit();
> +             tst_brkm(TBROK, cleanup, "can't unmap file: %s", 
> strerror(errno));
>          }
>       ret = runtest_s(fd, buf2, offset, count, 11, "unmapped file");
>       if (ret != 0) {
> @@ -438,10 +412,8 @@ main(int argc, char *argv[])
>       offset = 4096;
>       count = bufsize;
>          if ((fd = open(filename, O_DIRECT|O_WRONLY)) < 0) {
> -             tst_resm(TFAIL, "can't open %s: %s",
> +             tst_brkm(TBROK, cleanup, "can't open %s: %s",
>                       filename, strerror(errno));
> -                unlink(filename);
> -                tst_exit();
>          }
>       if (lseek(fd, offset, SEEK_SET) < 0) {
>               tst_resm(TFAIL, "lseek failed: %s", strerror(errno));
> @@ -466,10 +438,8 @@ main(int argc, char *argv[])
>       offset = 4096;
>       count = bufsize;
>       if ((fd = open(filename, O_DIRECT|O_RDONLY)) < 0) {
> -             tst_resm(TFAIL, "can't open %s: %s",
> +             tst_brkm(TBROK, cleanup, "can't open %s: %s",
>                       filename, strerror(errno));
> -             unlink(filename);
> -             tst_exit();
>       }
>       if (lseek(fd, offset, SEEK_SET) < 0) {
>               tst_resm(TFAIL, "lseek failed: %s", strerror(errno));
> @@ -495,10 +465,8 @@ main(int argc, char *argv[])
>       count = bufsize;
>       l_fail = 0;
>          if ((fd = open(filename, O_DIRECT|O_RDWR)) < 0) {
> -             tst_resm(TFAIL, "can't open %s: %s",
> +             tst_brkm(TBROK, cleanup, "can't open %s: %s",
>                       filename, strerror(errno));
> -                unlink(filename);
> -                tst_exit();
>          }
>       if (lseek(fd, offset, SEEK_SET) < 0) {
>               tst_resm(TFAIL, "lseek before read failed: %s",
> @@ -540,10 +508,8 @@ main(int argc, char *argv[])
>       count = bufsize;
>       l_fail = 0;
>          if ((fd = open(filename, O_DIRECT|O_RDWR)) < 0) {
> -                tst_resm(TFAIL, "can't open %s: %s",
> +                tst_brkm(TBROK, cleanup, "can't open %s: %s",
>                       filename, strerror(errno));
> -                unlink(filename);
> -                tst_exit();
>          }
>       if (lseek(fd, offset, SEEK_SET) < 0) {
>               tst_resm(TFAIL, "lseek before read failed: %s",
> @@ -585,15 +551,11 @@ main(int argc, char *argv[])
>       offset = 4096;
>       count = bufsize;
>       if ((buf1 = (char *) (((long)sbrk(0) + (shmsz-1)) & ~(shmsz-1))) == 
> NULL) {
> -                tst_resm(TFAIL,"sbrk: %s", strerror(errno));
> -                unlink(filename);
> -                tst_exit();
> +                tst_brkm(TBROK, cleanup,"sbrk: %s", strerror(errno));
>          }
>          if ((fd = open(filename, O_DIRECT|O_RDWR)) < 0) {
> -             tst_resm(TFAIL, "can't open %s: %s",
> +             tst_brkm(TBROK, cleanup, "can't open %s: %s",
>                       filename, strerror(errno));
> -                unlink(filename);
> -                tst_exit();
>          }
>       ret =runtest_f(fd, buf1, offset, count, EFAULT, 16, " nonexistant 
> space");
>       if (ret != 0) {
> @@ -610,10 +572,8 @@ main(int argc, char *argv[])
>       offset = 4096;
>       count = bufsize;
>          if ((fd = open(filename,O_DIRECT|O_RDWR|O_SYNC)) < 0) {
> -             tst_resm(TFAIL, "can't open %s: %s",
> +             tst_brkm(TBROK, cleanup, "can't open %s: %s",
>                       filename, strerror(errno));
> -                unlink(filename);
> -                tst_exit();
>          }
>       ret = runtest_s(fd, buf2, offset, count, 17, "opened with O_SYNC");
>       if (ret != 0) {
> @@ -634,10 +594,41 @@ main(int argc, char *argv[])
>               tst_resm(TINFO, "%d testblocks completed",
>                                total);
>       }
> -     tst_exit();
> +     cleanup();
>       return 0;
>  }
> 
> +static void setup(void)
> +{
> +     struct  sigaction act;
> +
> +     tst_tmpdir();
> +
> +     act.sa_handler = SIG_IGN;
> +     (void) sigaction(SIGXFSZ, &act, NULL);
> +     sprintf(filename,"testdata-4.%ld", syscall(__NR_gettid));
> +
> +     if ((fd1 = open(filename, O_CREAT|O_EXCL, 0600)) < 0) {
> +             tst_brkm(TBROK, cleanup, "Couldn't create test file %s: %s", 
> filename, strerror(errno));
> +     }
> +     close(fd1);
> +
> +     /* Test for filesystem support of O_DIRECT */
> +     if ((fd1 = open(filename, O_DIRECT, 0600)) < 0) {
> +             tst_brkm(TCONF, cleanup, "O_DIRECT is not supported by this 
> filesystem. %s", strerror(errno));
> +     }
> +}
> +
> +static void cleanup(void)
> +{
> +     if(fd1 != -1)
> +             unlink(filename);
> +
> +     tst_rmdir();
> +
> +     tst_exit();
> +}
> +
>  #else /* O_DIRECT */
> 
>  int
> diff --git a/testcases/kernel/io/direct_io/diotest5.c 
> b/testcases/kernel/io/direct_io/diotest5.c
> index 6b0b4e5..bda2291 100644
> --- a/testcases/kernel/io/direct_io/diotest5.c
> +++ b/testcases/kernel/io/direct_io/diotest5.c
> @@ -79,7 +79,7 @@ static int  iter = 20;              /* Iterations. Default 
> 20 */
>  static int   nvector = 20;           /* Vector array. Default 20 */
>  static off64_t       offset = 0;             /* Start offset. Default 0 */
>  static char  filename[LEN];          /* Test data file */
> -
> +static int fd1 = -1;
>  /*
>   * runtest: Write the data in vector array to the file. Read the data
>   *   from the file into another vectory array and verify. Repeat the test.
> @@ -166,10 +166,13 @@ prg_usage()
>       exit(1);
>  }
> 
> +static void setup(void);
> +static void cleanup(void);
> +
>  int
>  main(int argc, char *argv[])
>  {
> -     int     i, action, fd_r, fd_w, fd1;
> +     int     i, action, fd_r, fd_w;
>       int     fail_count = 0, total = 0, failed = 0;
> 
>       /* Options */
> @@ -212,26 +215,17 @@ main(int argc, char *argv[])
>               }
>       }
> 
> -        /* Test for filesystem support of O_DIRECT */
> -        if ((fd1 = open(filename, O_DIRECT|O_CREAT, 0666)) < 0) {
> -                 tst_resm(TCONF,"O_DIRECT is not supported by this 
> filesystem.");
> -                 tst_exit();
> -        }else{
> -                close(fd1);
> -        }
> +     setup();
> 
>       /* Testblock-1: Read with Direct IO, Write without */
>       action = READ_DIRECT;
>       if ((fd_w = open(filename, O_WRONLY|O_CREAT, 0666)) < 0) {
> -             tst_resm(TFAIL, "fd_w open failed for %s: %s",
> +             tst_brkm(TBROK, cleanup, "fd_w open failed for %s: %s",
>                       filename, strerror(errno));
> -             tst_exit();
>       }
>       if ((fd_r = open64(filename, O_DIRECT|O_RDONLY|O_CREAT, 0666)) < 0) {
> -             tst_resm(TFAIL, "fd_r open failed for %s: %s",
> +             tst_brkm(TBROK, cleanup, "fd_r open failed for %s: %s",
>                       filename, strerror(errno));
> -             close(fd_w);
> -             tst_exit();
>       }
>       if (runtest(fd_r, fd_w, iter, offset, action) < 0) {
>               failed = TRUE;
> @@ -249,15 +243,12 @@ main(int argc, char *argv[])
>       /* Testblock-2: Write with Direct IO, Read without */
>       action = WRITE_DIRECT;
>       if ((fd_w = open(filename, O_DIRECT|O_WRONLY|O_CREAT, 0666)) < 0) {
> -             tst_resm(TFAIL, "fd_w open failed for %s: %s",
> +             tst_brkm(TBROK, cleanup, "fd_w open failed for %s: %s",
>                       filename, strerror(errno));
> -             tst_exit();
>       }
>       if ((fd_r = open64(filename, O_RDONLY|O_CREAT, 0666)) < 0) {
> -             tst_resm(TFAIL, "fd_r open failed for %s: %s",
> +             tst_brkm(TBROK, cleanup, "fd_r open failed for %s: %s",
>                       filename, strerror(errno));
> -             close (fd_w);
> -             tst_exit();
>       }
>       if (runtest(fd_r, fd_w, iter, offset, action) < 0) {
>               failed = TRUE;
> @@ -274,15 +265,12 @@ main(int argc, char *argv[])
>       /* Testblock-3: Read, Write with Direct IO */
>       action = RDWR_DIRECT;
>       if ((fd_w = open(filename, O_DIRECT|O_WRONLY|O_CREAT, 0666)) < 0) {
> -             tst_resm(TFAIL, "fd_w open failed for %s: %s",
> +             tst_brkm(TBROK, cleanup, "fd_w open failed for %s: %s",
>                       filename, strerror(errno));
> -             tst_exit();
>       }
>       if ((fd_r = open64(filename, O_DIRECT|O_RDONLY|O_CREAT, 0666)) < 0) {
> -             tst_resm(TFAIL, "fd_r open failed for %s: %s",
> +             tst_brkm(TBROK, cleanup, "fd_r open failed for %s: %s",
>                       filename, strerror(errno));
> -             close (fd_w);
> -             tst_exit();
>       }
>       if (runtest(fd_r, fd_w, iter, offset, action) < 0) {
>               failed = TRUE;
> @@ -303,11 +291,35 @@ main(int argc, char *argv[])
>               tst_resm(TINFO, "%d testblocks %d iterations with %d vector 
> array completed",
>                       total, iter, nvector);
> 
> -     tst_exit();
> +     cleanup();
> 
>       return 0;
>  }
> 
> +static void setup(void)
> +{
> +     tst_tmpdir();
> +
> +     if ((fd1 = open(filename, O_CREAT|O_EXCL, 0600)) < 0) {
> +             tst_brkm(TBROK, cleanup, "Couldn't create test file %s: %s", 
> filename, strerror(errno));
> +     }
> +     close(fd1);
> +
> +     /* Test for filesystem support of O_DIRECT */
> +     if ((fd1 = open(filename, O_DIRECT, 0600)) < 0) {
> +             tst_brkm(TCONF, cleanup, "O_DIRECT is not supported by this 
> filesystem. %s", strerror(errno));
> +     }
> +}
> +
> +static void cleanup(void)
> +{
> +     if(fd1 != -1)
> +             unlink(filename);
> +
> +     tst_rmdir();
> +
> +     tst_exit();
> +}
>  #else /* O_DIRECT */
> 
>  int
> diff --git a/testcases/kernel/io/direct_io/diotest6.c 
> b/testcases/kernel/io/direct_io/diotest6.c
> index a6d3ca8..65718ca 100644
> --- a/testcases/kernel/io/direct_io/diotest6.c
> +++ b/testcases/kernel/io/direct_io/diotest6.c
> @@ -76,6 +76,10 @@ static int bufsize = BUFSIZE;      /* Buffersize. Default 
> 4k */
>  static off64_t       offset = 0;             /* Offset. Default 0 */
>  static int   nvector = 20;           /* Vector array. Default 20 */
>  static char  filename[LEN];          /* Test data file */
> +static int fd1 = -1;
> +
> +static void setup(void);
> +static void cleanup(void);
> 
>  /*
>   * prg_usage: display the program usage
> @@ -185,6 +189,7 @@ child_function(int childnum, int action)
>                       tst_resm(TFAIL, "fd_r open failed for %s: %s",
>                               filename, strerror(errno));
>                       close(fd_w);
> +                     unlink(filename);
>                       return(-1);
>               }
>               if (runtest(fd_r, fd_w, childnum, action) == -1) {
> @@ -205,6 +210,7 @@ child_function(int childnum, int action)
>                       tst_resm(TFAIL, "fd_r open failed for %s: %s",
>                               filename, strerror(errno));
>                       close(fd_w);
> +                     unlink(filename);
>                       return(-1);
>               }
>               if (runtest(fd_r, fd_w, childnum, action) == -1) {
> @@ -251,7 +257,6 @@ main(int argc, char *argv[])
>       int     *pidlst;
>       int     numchild = 1;   /* Number of children. Default 5 */
>       int     i, fail_count = 0, failed = 0, total = 0;
> -     int     fd1;
> 
>       /* Options */
>       sprintf(filename,"testdata-6.%ld", syscall(__NR_gettid));
> @@ -299,13 +304,7 @@ main(int argc, char *argv[])
>               }
>       }
> 
> -        /* Test for filesystem support of O_DIRECT */
> -        if ((fd1 = open(filename, O_DIRECT|O_CREAT, 0666)) < 0) {
> -                 tst_resm(TCONF,"O_DIRECT is not supported by this 
> filesystem.");
> -                 tst_exit();
> -        }else{
> -                close(fd1);
> -        }
> +     setup();
> 
>       /* Testblock-1: Read with Direct IO, Write without */
>       if (forkchldrn(&pidlst, numchild, READ_DIRECT, child_function) < 0 ) {
> @@ -371,10 +370,34 @@ main(int argc, char *argv[])
>       else
>               tst_resm(TINFO, "%d testblocks %d iterations with %d children 
> completed",
>                       total, iter, numchild);
> -     tst_exit();
> +     cleanup();
>       return 0;
>  }
> 
> +static void setup(void)
> +{
> +     tst_tmpdir();
> +
> +     if ((fd1 = open(filename, O_CREAT|O_EXCL, 0600)) < 0) {
> +             tst_brkm(TBROK, cleanup, "Couldn't create test file %s: %s", 
> filename, strerror(errno));
> +     }
> +     close(fd1);
> +
> +     /* Test for filesystem support of O_DIRECT */
> +     if ((fd1 = open(filename, O_DIRECT, 0600)) < 0) {
> +             tst_brkm(TCONF, cleanup, "O_DIRECT is not supported by this 
> filesystem. %s", strerror(errno));
> +     }
> +}
> +
> +static void cleanup(void)
> +{
> +     if(fd1 != -1)
> +             unlink(filename);
> +
> +     tst_rmdir();
> +
> +     tst_exit();
> +}
> 
>  #else /* O_DIRECT */
> 
> 


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