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    SubjectRe: [PATCH 109/148] include/asm-x86/serial.h: checkpatch cleanups - formatting only
    On Tue, 25 March 2008 14:45:56 +0100, Ingo Molnar wrote:
    > and let me give an example with the your very own code that you wrote
    > and maintain, drivers/mtd/devices/block2mtd.c:
    > errors lines of code errors/KLOC
    > drivers/mtd/devices/block2mtd.c 10 490 20.4
    > that's pretty OK code, but not perfect, the 10 errors are:
    > ERROR: do not use C99 // comments
    > ERROR: need spaces around that '=' (ctx:VxV)
    > ERROR: need spaces around that '<' (ctx:VxV)
    > ERROR: do not use C99 // comments
    > ERROR: do not use C99 // comments
    > ERROR: do not use C99 // comments
    > ERROR: do not use C99 // comments
    > ERROR: do not use C99 // comments
    > ERROR: do not use C99 // comments
    > ERROR: do not initialise statics to 0 or NULL

    The last should and will be fixed. The // I don't really care about.
    Send a patch if you do.

    Going over my logfs patch, I found several things that are either false
    positives or rather questionable in my book. <adds Andy to Cc:>

    (foo*) should be (foo *)
    What does that extra space gain us?

    ERROR: no space before that close parenthesis ')'
    #2565: FILE: fs/logfs/gc.c:294:
    + seg_ofs + sizeof(oh) < super->s_segsize; ) {

    Actual code is this:
    for (seg_ofs = LOGFS_SEGMENT_HEADERSIZE;
    seg_ofs + sizeof(oh) < super->s_segsize; ) {
    The for() loop is missing one of its three terms. I assume this is one
    of the effects of not having a perfect C parser.

    ERROR: trailing statements should be on next line
    #5000: FILE: fs/logfs/readwrite.c:203:
    + } else while (unlikely(TestSetPageLocked(page))) {

    We have an explicit exception for "else if". "else while" makes imo
    just as much (or as little) sense.

    ERROR: need space after that ',' (ctx:VxV)
    #5801: FILE: fs/logfs/readwrite.c:1004:
    + ret = logfs_segment_read(inode, ipage, this_wc->ofs, bix,level);

    One of those examples where a missing space is the lesser of two or
    three evils.

    ERROR: need consistent spacing around '|' (ctx:WxV)
    #8293: FILE: fs/logfs/dev_mtd.c:376:

    I have no idea what this is about. Original code:
    mtd_cache = kmem_cache_create("mtd_cache", sizeof(struct mtd_inode), 0,


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    -- Sun Tzu
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