FS-Cache: Out of line fscache_operation_init()

Out of line fscache_operation_init() so that it can access internal FS-Cache
features, such as stats, in a later commit.

Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Steve Dickson <steved@redhat.com>
Acked-by: Jeff Layton <jeff.layton@primarydata.com>

1 files changed, 22 insertions, 0 deletions

diff --git a/fs/fscache/operation.c b/fs/fscache/operation.c
index 67594a8d791a..61a6e78b85fa 100644
--- a/fs/fscache/operation.c
+++ b/fs/fscache/operation.c
@@ -21,6 +21,28 @@ atomic_t fscache_op_debug_id;
 EXPORT_SYMBOL(fscache_op_debug_id);
 
 /**
+ * fscache_operation_init - Do basic initialisation of an operation
+ * @op: The operation to initialise
+ * @release: The release function to assign
+ *
+ * Do basic initialisation of an operation.  The caller must still set flags,
+ * object and processor if needed.
+ */
+void fscache_operation_init(struct fscache_operation *op,
+                            fscache_operation_processor_t processor,
+                            fscache_operation_release_t release)
+{
+        INIT_WORK(&op->work, fscache_op_work_func);
+        atomic_set(&op->usage, 1);
+        op->state = FSCACHE_OP_ST_INITIALISED;
+        op->debug_id = atomic_inc_return(&fscache_op_debug_id);
+        op->processor = processor;
+        op->release = release;
+        INIT_LIST_HEAD(&op->pend_link);
+}
+EXPORT_SYMBOL(fscache_operation_init);
+
+/**
  * fscache_enqueue_operation - Enqueue an operation for processing
  * @op: The operation to enqueue
  *