Messages in this thread | | | Date | Thu, 10 Nov 2016 14:20:53 +0100 | From | David Sterba <> | Subject | Re: [PATCH v2 3/4] printk/btrfs: Handle more message headers |
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On Wed, Nov 09, 2016 at 01:41:30PM +0100, Petr Mladek wrote: > The commit 4bcc595ccd80decb4245096e ("printk: reinstate KERN_CONT for > printing continuation lines") allows to define more message headers > for a single message. The motivation is that continuous lines might > get mixed. Therefore it make sense to define the right log level > for every piece of a cont line. > > The current btrfs_printk() macros do not support continuous lines > at the moment. But better be prepared for a custom messages and > avoid potential "lvl" buffer overflow. > > This patch iterates over the entire message header. It is interested > only into the message level like the original code. > > This patch also introduces PRINTK_MAX_SINGLE_HEADER_LEN. Three bytes > are enough for the message level header at the moment. But it used to > be three, see the commit 04d2c8c83d0e3ac5f ("printk: convert the format > for KERN_<LEVEL> to a 2 byte pattern"). > > Also I fixed the default ratelimit level. It looked very strange > when it was different from the default log level. > > Signed-off-by: Petr Mladek <pmladek@suse.com>
Acked-by: David Sterba <dsterba@suse.com>
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