1 files changed, 11 insertions, 2 deletions

diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 38f84cd48b67..add96f6ffda5 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -71,7 +71,7 @@ struct fuse_mount_data {
         unsigned blksize;
 };
 
-struct fuse_forget_link *fuse_alloc_forget()
+struct fuse_forget_link *fuse_alloc_forget(void)
 {
         return kzalloc(sizeof(struct fuse_forget_link), GFP_KERNEL);
 }
@@ -809,6 +809,13 @@ static void process_init_reply(struct fuse_conn *fc, struct fuse_req *req)
                                 fc->async_read = 1;
                         if (!(arg->flags & FUSE_POSIX_LOCKS))
                                 fc->no_lock = 1;
+                        if (arg->minor >= 17) {
+                                if (!(arg->flags & FUSE_FLOCK_LOCKS))
+                                        fc->no_flock = 1;
+                        } else {
+                                if (!(arg->flags & FUSE_POSIX_LOCKS))
+                                        fc->no_flock = 1;
+                        }
                         if (arg->flags & FUSE_ATOMIC_O_TRUNC)
                                 fc->atomic_o_trunc = 1;
                         if (arg->minor >= 9) {
@@ -823,6 +830,7 @@ static void process_init_reply(struct fuse_conn *fc, struct fuse_req *req)
                 } else {
                         ra_pages = fc->max_read / PAGE_CACHE_SIZE;
                         fc->no_lock = 1;
+                        fc->no_flock = 1;
                 }
 
                 fc->bdi.ra_pages = min(fc->bdi.ra_pages, ra_pages);
@@ -843,7 +851,8 @@ static void fuse_send_init(struct fuse_conn *fc, struct fuse_req *req)
         arg->minor = FUSE_KERNEL_MINOR_VERSION;
         arg->max_readahead = fc->bdi.ra_pages * PAGE_CACHE_SIZE;
         arg->flags |= FUSE_ASYNC_READ | FUSE_POSIX_LOCKS | FUSE_ATOMIC_O_TRUNC |
-                FUSE_EXPORT_SUPPORT | FUSE_BIG_WRITES | FUSE_DONT_MASK;
+                FUSE_EXPORT_SUPPORT | FUSE_BIG_WRITES | FUSE_DONT_MASK |
+                FUSE_FLOCK_LOCKS;
         req->in.h.opcode = FUSE_INIT;
         req->in.numargs = 1;
         req->in.args[0].size = sizeof(*arg);