On Sat, Jan 23, 2016 at 7:13 AM, James Bottomley <james.bottom...@hansenpartnership.com> wrote: > On Thu, 2016-01-21 at 17:22 +0200, Andy Shevchenko wrote: >> There is one user coming which would like to use those string arrays. >> It might >> be useful for any other user in the future. > > Well, let's not do it until we have an actual consumer because that > will help us get the interface correct.
First consumer is in patch 3. >> +#define STRING_UNITS_10_NUM 9 >> +#define STRING_UNITS_2_NUM 9 >> + >> +extern const char *const string_units_10[STRING_UNITS_10_NUM]; >> +extern const char *const string_units_2[STRING_UNITS_2_NUM]; >> + >> --- a/lib/string_helpers.c >> +++ b/lib/string_helpers.c >> @@ -13,6 +13,15 @@ >> #include <linux/string.h> >> #include <linux/string_helpers.h> >> >> +const char * const string_units_10[STRING_UNITS_10_NUM] = { >> + "B", "kB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB", >> +}; >> +EXPORT_SYMBOL(string_units_10); >> +const char * const string_units_2[STRING_UNITS_2_NUM] = { >> + "B", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB", "ZiB", "YiB", >> +}; >> +EXPORT_SYMBOL(string_units_2); >> + > > This is a pretty silly thing to do; how does someone who adds a unit to > one of the string_units know to increment STRING_UNITS_X_NUM? Even if > you add a comment admonishing them to do it, it's far better to have > this calculated at compile time like it was before this patch. Okay, I will think how to do that. -- With Best Regards, Andy Shevchenko