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Problem Report 2338 Details

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Report 2338 Actions

    Problem Report Number 2338
    Submitter's Classification Test Suite problem
    State Resolved
    Resolution Test Suite Deficiency (TSD)
    Problem Resolution ID TSD.X.1206
    Raised 2004-02-20 02:05
    Updated 2004-03-02 16:49
    Published 2004-03-02 16:49
    Product Standard Internationalised System Calls and Libraries Extended V2 (UNIX 98)
    Certification Program The Open Brand certification program
    Test Suite VSU version 5.2.4
    Test Identification CAPI.os/files/fstat 5
    Problem Summary fstat 5 assumes all inodes for a filesystem are allocated at creation
    Problem Text
    Assertion #5 of CAPI.os/files/fstat will fail on filesystems which
    do not allocate all of their inodes when they are created.

    ** void test5A() - tests the assertion:
    ** A call to int fstat(int fildes, struct stat *buf) shall place the
    ** number of blocks allocated for the object referenced by fildes into
    ** the st_blocks member of the stat structure pointed to by buf.

    the code that generates the error is here:

    if(fstat(fildes, &st_buf) == -1) {
    fwerrno("fstat");
    return;
    }
    if(st_buf.st_blocks != 0) {
    tet_infoline("ERROR: File block count incorrect:");
    sprintf(ebuf," Expected 0, received %ld",
    st_buf.st_blocks);
    tet_infoline(ebuf);
    tet_result(TET_FAIL);
    return;
    }

    When tested on a filesystem that allocates inodes as needed, this
    code fails.
    Test Output 200|1082 5 06:48:57|TP Start
    520|1082 5 00002835 1 1|PREP: Create a regular file
    520|1082 5 00002835 1 2|TEST: fstat places blocks allocated in st_blocks
    520|1082 5 00002835 1 3|ERROR: File block count incorrect:
    520|1082 5 00002835 1 4| Expected 0, received 1
    220|1082 5 1 06:48:57|FAIL

    Review Information

    Review Type TSMA Review
    Start Date 2004-02-20 02:05
    Last Updated 2004-02-20 18:31
    Completed 2004-02-20 18:31
    Status Complete
    Review Recommendation Test Suite Deficiency (TSD)
    Review Response I agree that the test is making a false assumption, although it is more
    general than just about inode allocation at file system creation. The
    test assumes that an empty file has an st_blocks value of 0. This is
    true for traditional file systems, but is not guaranteed by the
    specification. The test should be changed to use a different strategy
    for testing st_blocks.

    Review Type SA Review
    Start Date 2004-02-20 18:31
    Last Updated 2004-02-21 00:40
    Completed 2004-02-21 00:40
    Status Complete
    Review Resolution Test Suite Deficiency (TSD)
    Review Conclusion The TSMA agrees that the test is making a false assumption, although
    it is more general than just about inode allocation at file system
    creation. The test assumes that an empty file has an st_blocks value
    of 0. This is true for traditional file systems, but is not guaranteed
    by the specification. The test will be changed to use a different
    strategy for testing st_blocks.

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