[PATCH] fs/pstore: update the backend parameter in pstore module

* [PATCH] fs/pstore: update the backend parameter in pstore module
@ 2015-03-26 10:08 Wang Long
  2015-03-26 15:48 ` Mark Salyzyn
  0 siblings, 1 reply; 3+ messages in thread
From: Wang Long @ 2015-03-26 10:08 UTC (permalink / raw)
  To: keescook, ccross, anton, tony.luck
  Cc: linux-kernel, long.wanglong, peifeiyue, marco.stornelli,
	anton.vorontsov, salyzyn, sergiu, morgan.wang

This patch update the module parameter backend, so it is visible
through /sys/module/pstore/parameters/backend.

For example:
if pstore backend is ramoops, with this patch:
	# cat /sys/module/pstore/parameters/backend
	ramoops
and without this patch:
	# cat /sys/module/pstore/parameters/backend
	(null)

Signed-off-by: Wang Long <long.wanglong@huawei.com>
---
 fs/pstore/platform.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c
index c4c9a10..a52c218 100644
--- a/fs/pstore/platform.c
+++ b/fs/pstore/platform.c
@@ -456,6 +456,12 @@ int pstore_register(struct pstore_info *psi)
 		add_timer(&pstore_timer);
 	}
 
+	/*
+	 * Update the module parameter backend, so it is visible
+	 * through /sys/module/pstore/parameters/backend
+	 */
+	backend = psi->name;
+
 	pr_info("Registered %s as persistent store backend\n", psi->name);
 
 	return 0;
-- 
1.8.3.4


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