On Tue 2007-10-23 17:12:43, Matthew Wilcox wrote: > Consecutive calls to printk are non-atomic, which leads to various > implementations for accumulating strings which can be printed in one call. > This is a generic string buffer which can also be used for non-printk > purposes. There is no sb_scanf implementation yet as I haven't identified > a user for it.
GFP_ATOMIC alloca5tion there is bad news. It can randomly fail..... without good method of handling that in caller. Pavel > +/* > + * Convert the stringbuf to a string. It is the caller's responsibility > + * to free the string. The stringbuf is then ready to be reused. > + */ > +static inline char *sb_to_string(struct stringbuf *sb) > +{ > + char *s = sb->s; > + if (sb_error(sb)) > + s = kstrdup(s, GFP_ATOMIC); > + sb_init(sb); > + return s; > +} Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/