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Date: Tue, 14 Oct 2014 07:33:25 -0700 From: Joe Perches <joe@...ches.com> To: Tanya Brokhman <tlinder@...eaurora.org> Cc: dedekind1@...il.com, ezequiel.garcia@...e-electrons.com, linux-mtd@...ts.infradead.org, linux-arm-msm@...r.kernel.org, David Woodhouse <dwmw2@...radead.org>, Brian Norris <computersforpeace@...il.com>, Richard Weinberger <richard@....at>, open list <linux-kernel@...r.kernel.org> Subject: Re: [PATCH v4] mtd: ubi: Extend UBI layer debug/messaging capabilities On Tue, 2014-10-14 at 17:16 +0300, Tanya Brokhman wrote: > On 10/14/2014 5:13 PM, Tanya Brokhman wrote: > > If there is more then one UBI device mounted, there is no way to > > distinguish between messages from different UBI devices. > > Add device number to all ubi layer message types. [] > > diff --git a/drivers/mtd/ubi/attach.c b/drivers/mtd/ubi/attach.c [] > > @@ -206,7 +208,7 @@ static int validate_vid_hdr(const struct ubi_vid_hdr *vid_hdr, > > */ > > > > if (vol_id != av->vol_id) { > > - ubi_err("inconsistent vol_id"); > > + ubi_err(ubi, "inconsistent vol_id"); > > goto bad; > > } > > If you are going to change all the ubi_<level> calls, can you also please add a terminating newline to all the uses for consistency with all the other pr_<level>/dev_<level>/<etc>_<level> calls? (and remove the newline from the ubi_<level> macros) > > diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h [] > > @@ -50,13 +50,14 @@ > > #define UBI_NAME_STR "ubi" > > > > /* Normal UBI messages */ > > -#define ubi_msg(fmt, ...) pr_notice("UBI: " fmt "\n", ##__VA_ARGS__) > > +#define ubi_msg(ubi, fmt, ...) pr_notice("UBI-%d: %s:" fmt "\n", \ > > + ubi->ubi_num, __func__, ##__VA_ARGS__) > > /* UBI warning messages */ > > -#define ubi_warn(fmt, ...) pr_warn("UBI warning: %s: " fmt "\n", \ > > - __func__, ##__VA_ARGS__) > > +#define ubi_warn(ubi, fmt, ...) pr_warn("UBI-%d warning: %s: " fmt "\n", \ > > + ubi->ubi_num, __func__, ##__VA_ARGS__) > > /* UBI error messages */ > > -#define ubi_err(fmt, ...) pr_err("UBI error: %s: " fmt "\n", \ > > - __func__, ##__VA_ARGS__) > > +#define ubi_err(ubi, fmt, ...) pr_err("UBI-%d error: %s: " fmt "\n", \ > > + ubi->ubi_num, __func__, ##__VA_ARGS__) Converting these macros to functions using "%pV" will save quite a bit of text space by removing a lot of "UBI-%d <foo>: " duplication. Using ubi_notice instead of ubi_msg would be a lot more standard too. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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