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    Subject[-mm patch] add a prototype for v9fs_printfcall()
    On Tue, Mar 07, 2006 at 02:19:29AM -0800, Andrew Morton wrote:
    > Changes since 2.6.16-rc3-mm2:
    > +v9fs-print-9p-messages.patch
    > Misc updates and fixes

    If you create a function in one file and call them from another file you
    need a prototype in a header file or bad runtime errors can occur in
    some cases.

    You mustn't ignore warnings about implicitely defined functions.
    This bug was found by the gcc -Werror-implicit-function-declaration flag
    that turns such warnings into errors.

    Signed-off-by: Adrian Bunk <>

    --- linux-2.6.16-rc5-mm3-full/fs/9p/9p.h.old 2006-03-07 13:31:13.000000000 +0100
    +++ linux-2.6.16-rc5-mm3-full/fs/9p/9p.h 2006-03-07 13:32:08.000000000 +0100
    @@ -372,3 +372,6 @@
    int v9fs_t_write(struct v9fs_session_info *v9ses, u32 fid, u64 offset,
    u32 count, const char __user * data,
    struct v9fs_fcall **rcall);
    +int v9fs_printfcall(char *buf, int buflen, struct v9fs_fcall *fc, int extended);
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