fuse: Convert fc->attr_version into atomic64_t
This patch makes fc->attr_version of atomic64_t type, so fc->lock won't be
needed to read or modify it anymore.
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 1b536b6..47c7b22 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -730,7 +730,7 @@ struct fuse_conn {
struct fuse_req *destroy_req;
/** Version counter for attribute changes */
- u64 attr_version;
+ atomic64_t attr_version;
/** Called on final put */
void (*release)(struct fuse_conn *);
@@ -770,6 +770,11 @@ static inline int invalid_nodeid(u64 nodeid)
return !nodeid || nodeid == FUSE_ROOT_ID;
}
+static inline u64 fuse_get_attr_version(struct fuse_conn *fc)
+{
+ return atomic64_read(&fc->attr_version);
+}
+
/** Device operations */
extern const struct file_operations fuse_dev_operations;
@@ -1000,8 +1005,6 @@ void fuse_flush_writepages(struct inode *inode);
void fuse_set_nowrite(struct inode *inode);
void fuse_release_nowrite(struct inode *inode);
-u64 fuse_get_attr_version(struct fuse_conn *fc);
-
/**
* File-system tells the kernel to invalidate cache for the given node id.
*/