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-rw-r--r--include/linux/pstore.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/pstore.h b/include/linux/pstore.h
index f6f22b13e04f..eb93a54cff31 100644
--- a/include/linux/pstore.h
+++ b/include/linux/pstore.h
@@ -96,6 +96,12 @@ struct pstore_record {
*
* @read_mutex: serializes @open, @read, @close, and @erase callbacks
* @flags: bitfield of frontends the backend can accept writes for
+ * @max_reason: Used when PSTORE_FLAGS_DMESG is set. Contains the
+ * kmsg_dump_reason enum value. KMSG_DUMP_UNDEF means
+ * "use existing kmsg_dump() filtering, based on the
+ * printk.always_kmsg_dump boot param" (which is either
+ * KMSG_DUMP_OOPS when false, or KMSG_DUMP_MAX when
+ * true); see printk.always_kmsg_dump for more details.
* @data: backend-private pointer passed back during callbacks
*
* Callbacks:
@@ -179,6 +185,7 @@ struct pstore_info {
struct mutex read_mutex;
int flags;
+ int max_reason;
void *data;
int (*open)(struct pstore_info *psi);