[PATCH v3 2/2] pstore/ram: Set pstore flags dynamically

[Namhyung Kim <namhyung@kernel.org>]

The ramoops can be configured to enable each pstore type by setting
their size.  In that case, it'd be better not to register disabled types
in the first place.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
---
 fs/pstore/ram.c        | 8 +++++++-
 include/linux/pstore.h | 2 --
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
index d08bfd611b11..80a4d44464fc 100644
--- a/fs/pstore/ram.c
+++ b/fs/pstore/ram.c
@@ -539,7 +539,13 @@ static int ramoops_probe(struct platform_device *pdev)
 		goto fail_clear;
 	}
 
-	cxt->pstore.flags = PSTORE_FLAGS_ALL;
+	cxt->pstore.flags = PSTORE_FLAGS_DMESG;
+	if (ctx->console_size)
+		cxt->pstore.flags |= PSTORE_FLAGS_CONOLE;
+	if (ctx->ftrace_size)
+		cxt->pstore.flags |= PSTORE_FLAGS_FTRACE;
+	if (ctx->pmsg_size)
+		cxt->pstore.flags |= PSTORE_FLAGS_PMSG;
 
 	err = pstore_register(&cxt->pstore);
 	if (err) {
diff --git a/include/linux/pstore.h b/include/linux/pstore.h
index 3ba0c1af40e5..a6d80bd960cb 100644
--- a/include/linux/pstore.h
+++ b/include/linux/pstore.h
@@ -78,8 +78,6 @@ struct pstore_info {
 #define PSTORE_FLAGS_FTRACE	(1 << 2)
 #define PSTORE_FLAGS_PMSG	(1 << 3)
 
-#define PSTORE_FLAGS_ALL	((1 << 4) - 1)
-
 extern int pstore_register(struct pstore_info *);
 extern void pstore_unregister(struct pstore_info *);
 extern bool pstore_cannot_block_path(enum kmsg_dump_reason reason);
-- 
2.8.0