linux-kernel - [PATCH v7 2/5] seq_buf: Export seq_buf

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Message-Id: <20200508104922.72565-3-vaibhav@linux.ibm.com>
Date:   Fri,  8 May 2020 16:19:19 +0530
From:   Vaibhav Jain <vaibhav@...ux.ibm.com>
To:     linuxppc-dev@...ts.ozlabs.org, linux-nvdimm@...ts.01.org,
        linux-kernel@...r.kernel.org
Cc:     Vaibhav Jain <vaibhav@...ux.ibm.com>,
        Dan Williams <dan.j.williams@...el.com>,
        "Aneesh Kumar K . V" <aneesh.kumar@...ux.ibm.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        "Oliver O'Halloran" <oohall@...il.com>,
        Santosh Sivaraj <santosh@...six.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Piotr Maziarz <piotrx.maziarz@...ux.intel.com>,
        Cezary Rojewski <cezary.rojewski@...el.com>,
        Borislav Petkov <bp@...en8.de>
Subject: [PATCH v7 2/5] seq_buf: Export seq_buf_printf() to external modules

'seq_buf' provides a very useful abstraction for writing to a string
buffer without needing to worry about it over-flowing. However even
though the API has been stable for couple of years now its stills not
exported to external modules limiting its usage.

Hence this patch proposes update to 'seq_buf.c' to mark
seq_buf_printf() which is part of the seq_buf API to be exported to
external GPL modules. This symbol will be used in later parts of this
patchset to simplify content creation for a sysfs attribute.

Cc: Steven Rostedt <rostedt@...dmis.org>
Cc: Piotr Maziarz <piotrx.maziarz@...ux.intel.com>
Cc: Cezary Rojewski <cezary.rojewski@...el.com>
Cc: Borislav Petkov <bp@...en8.de>
Signed-off-by: Vaibhav Jain <vaibhav@...ux.ibm.com>
---
Changelog:

v6..v7:
* New patch in the series
---
 lib/seq_buf.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/seq_buf.c b/lib/seq_buf.c
index 4e865d42ab03..707453f5d58e 100644
--- a/lib/seq_buf.c
+++ b/lib/seq_buf.c
@@ -91,6 +91,7 @@ int seq_buf_printf(struct seq_buf *s, const char *fmt, ...)
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(seq_buf_printf);
 
 #ifdef CONFIG_BINARY_PRINTF
 /**
-- 
2.26.2