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SubjectRe: [PATCH] UBI: Extend UBI layer debug/messaging capabilities - cosmetics
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On Sun, 2014-11-09 at 13:06 +0200, Tanya Brokhman wrote:
>
> /* Normal UBI messages */
> #define ubi_msg(ubi, fmt, ...) pr_notice("UBI-%d: %s:" fmt "\n", \
> - ubi->ubi_num, __func__, ##__VA_ARGS__)
> + (ubi ? ubi->ubi_num : UBI_MAX_DEVICES), \
> + __func__, ##__VA_ARGS__)
> /* UBI warning messages */
> #define ubi_warn(ubi, fmt, ...) pr_warn("UBI-%d warning: %s: " fmt "\n", \
> - ubi->ubi_num, __func__, ##__VA_ARGS__)
> + (ubi ? ubi->ubi_num : UBI_MAX_DEVICES), \
> + __func__, ##__VA_ARGS__)
> /* UBI error messages */
> #define ubi_err(ubi, fmt, ...) pr_err("UBI-%d error: %s: " fmt "\n", \
> - ubi->ubi_num, __func__, ##__VA_ARGS__)
> + (ubi ? ubi->ubi_num : UBI_MAX_DEVICES), \
> + __func__, ##__VA_ARGS__)

Why did you make these changes? It is preferable to not add another 'if'
statement to this macro to handle one or 2 cases - much bloat, little
gain.

Could we please avoid this?

>
> - if (!ubi->free.rb_node || (ubi->free_count - ubi->beb_rsvd_pebs < 1)) {
> - ubi_warn(ubi, "Can't get peb for fastmap:anchor=%d, free_cnt=%d, reserved=%d",
> - anchor, ubi->free_count, ubi->beb_rsvd_pebs);
> + if (!ubi->free.rb_node || (ubi->free_count - ubi->beb_rsvd_pebs < 1))
> goto out;

The warning looks pretty poor, so I do not mind to remove it, but I
thought your patch is about adding a parameter, but you mix different
kinds of things there. Please, be stricter to the similar UBIFS patch
which you was going to send.


> - if (kthread_should_stop()) {
> - ubi_msg(ubi, "background thread \"%s\" should stop, PID %d",
> - ubi->bgt_name, task_pid_nr(current));
> + if (kthread_should_stop())
> break;
> - }

How about just turning this into a debug message, not removing?

Artem.



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