Re: [PATCH] cifs: Rename cERROR and cFYI to cifs_dbg

From: Jeff Layton
Date: Fri Mar 15 2013 - 14:56:40 EST


On Thu, 14 Mar 2013 12:24:37 -0700
Joe Perches <joe@xxxxxxxxxxx> wrote:

> It's not obvious from reading the macro names that these macros
> are for debugging. Convert the names to a single more typical
> kernel style cifs_dbg macro.
>
> cERROR(1, ...) -> cifs_dbg(VFS, ...)
> cFYI(1, ...) -> cifs_dbg(FYI, ...)
> cFYI(DBG2, ...) -> cifs_dbg(NOISY, ...)
>
> Move the terminating format newline from the macro to the call site.
>
> Add CONFIG_CIFS_DEBUG function cifs_vfs_err to emit the
> "CIFS VFS: " prefix for VFS messages.
>
> Size is reduced ~ 1% when CONFIG_CIFS_DEBUG is set (default y)
>
> $ size fs/cifs/cifs.ko*
> text data bss dec hex filename
> 265245 2525 132 267902 4167e fs/cifs/cifs.ko.new
> 268359 2525 132 271016 422a8 fs/cifs/cifs.ko.old
>


This all looks like good stuff. I am a bit concerned about mashing all
of these cleanups into the same patch though.
> Other miscellaneous changes around these conversions:
>
> o Miscellaneous typo fixes
> o Add terminating \n's to almost all formats and remove them
> from the macros to be more kernel style like. A few formats
> previously had defective \n's
> o Remove unnecessary OOM messages as kmalloc() calls dump_stack
> o Coalesce formats to make grep easier,
> added missing spaces when coalescing formats
> o Use %s, __func__ instead of embedded function name
> o Removed unnecessary "cifs: " prefixes
> o Convert kzalloc with multiply to kcalloc
> o Remove unused cifswarn macro
>


--
Jeff Layton <jlayton@xxxxxxxxxx>
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