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-rw-r--r--fs/fuse/fuse_i.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 242e69cb1251..19c7185a7546 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -18,6 +18,9 @@
/** Max number of pages that can be used in a single read request */
#define FUSE_MAX_PAGES_PER_REQ 32
+/** Maximum number of outstanding background requests */
+#define FUSE_MAX_BACKGROUND 10
+
/** It could be as large as PATH_MAX, but would that have any uses? */
#define FUSE_NAME_MAX 1024
@@ -241,6 +244,17 @@ struct fuse_conn {
interrupted request) */
struct list_head background;
+ /** Number of requests currently in the background */
+ unsigned num_background;
+
+ /** Flag indicating if connection is blocked. This will be
+ the case before the INIT reply is received, and if there
+ are too many outstading backgrounds requests */
+ int blocked;
+
+ /** waitq for blocked connection */
+ wait_queue_head_t blocked_waitq;
+
/** RW semaphore for exclusion with fuse_put_super() */
struct rw_semaphore sbput_sem;