[Virtio-fs] [PATCH 3/9] fuse: export fuse_drop_waiting()

[Liu Bo]

virtio-fs will need to do ref count against FORGET requests from
outside fs/fuse/dev.c.  Make the symbol visible.

Reviewed-by: Liu Bo <bo.liu at linux.alibaba.com>
Reviewed-by: Joseph Qi <joseph.qi at linux.alibaba.com>
Signed-off-by: Xiaoguang Wang <xiaoguang.wang at linux.alibaba.com>
---
 fs/fuse/dev.c    | 3 ++-
 fs/fuse/fuse_i.h | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 07ae706..7e6afd0 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -128,7 +128,7 @@ static bool fuse_block_alloc(struct fuse_conn *fc, bool for_background)
 	return !fc->initialized || (for_background && fc->blocked);
 }
 
-static void fuse_drop_waiting(struct fuse_conn *fc)
+void fuse_drop_waiting(struct fuse_conn *fc)
 {
 	if (fc->connected) {
 		atomic_dec(&fc->num_waiting);
@@ -137,6 +137,7 @@ static void fuse_drop_waiting(struct fuse_conn *fc)
 		wake_up_all(&fc->blocked_waitq);
 	}
 }
+EXPORT_SYMBOL_GPL(fuse_drop_waiting);
 
 static struct fuse_req *__fuse_get_req(struct fuse_conn *fc, unsigned npages,
 				       bool for_background)
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 2c32846..171aee8 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -1199,6 +1199,7 @@ ssize_t fuse_getxattr(struct inode *inode, const char *name, void *value,
  * Get the next unique ID for a request
  */
 u64 fuse_get_unique(struct fuse_iqueue *fiq);
+void fuse_drop_waiting(struct fuse_conn *fc);
 void fuse_dax_free_mem_worker(struct work_struct *work);
 void fuse_removemapping(struct inode *inode);
 
-- 
1.8.3.1