1 files changed, 3 insertions, 3 deletions

diff --git a/include/linux/pstore.h b/include/linux/pstore.h
index cc03bbf5c4b8..ea567321ae3c 100644
--- a/include/linux/pstore.h
+++ b/include/linux/pstore.h
@@ -32,15 +32,15 @@ enum pstore_type_id {
 struct pstore_info {
         struct module   *owner;
         char            *name;
-        struct mutex    buf_mutex;      /* serialize access to 'buf' */
+        spinlock_t      buf_lock;       /* serialize access to 'buf' */
         char            *buf;
         size_t          bufsize;
         int             (*open)(struct pstore_info *psi);
         int             (*close)(struct pstore_info *psi);
         ssize_t         (*read)(u64 *id, enum pstore_type_id *type,
                         struct timespec *time, struct pstore_info *psi);
-        u64             (*write)(enum pstore_type_id type, unsigned int part,
-                        size_t size, struct pstore_info *psi);
+        int             (*write)(enum pstore_type_id type, u64 *id,
+                        unsigned int part, size_t size, struct pstore_info *psi);
         int             (*erase)(enum pstore_type_id type, u64 id,
                         struct pstore_info *psi);
         void            *data;