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    Subject[PATCH 06/15] GFS2: fs/gfs2/glock.h: Add __attribute__((format(printf,2,3)) to gfs2_print_dbg
    From: Joe Perches <>

    Functions that use printf formatting, especially
    those that use %pV, should have their uses of
    printf format and arguments checked by the compiler.

    Signed-off-by: Joe Perches <>
    Signed-off-by: Steven Whitehouse <>

    diff --git a/fs/gfs2/glock.h b/fs/gfs2/glock.h
    index db1c26d..a12d117 100644
    --- a/fs/gfs2/glock.h
    +++ b/fs/gfs2/glock.h
    @@ -212,6 +212,8 @@ int gfs2_glock_nq_num(struct gfs2_sbd *sdp,
    int gfs2_glock_nq_m(unsigned int num_gh, struct gfs2_holder *ghs);
    void gfs2_glock_dq_m(unsigned int num_gh, struct gfs2_holder *ghs);
    void gfs2_glock_dq_uninit_m(unsigned int num_gh, struct gfs2_holder *ghs);
    +__attribute__ ((format(printf, 2, 3)))
    void gfs2_print_dbg(struct seq_file *seq, const char *fmt, ...);


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