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Diffstat (limited to 'fs/fuse/fuse_i.h')
-rw-r--r--fs/fuse/fuse_i.h32
1 files changed, 31 insertions, 1 deletions
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 74744c6f2860..fee96fe7887b 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -310,7 +310,7 @@ struct fuse_args {
bool is_ext:1;
bool is_pinned:1;
bool invalidate_vmap:1;
- struct fuse_in_arg in_args[3];
+ struct fuse_in_arg in_args[4];
struct fuse_arg out_args[2];
void (*end)(struct fuse_mount *fm, struct fuse_args *args, int error);
/* Used for kvec iter backed by vmalloc address */
@@ -438,6 +438,10 @@ struct fuse_req {
/** fuse_mount this request belongs to */
struct fuse_mount *fm;
+
+#ifdef CONFIG_FUSE_IO_URING
+ void *ring_entry;
+#endif
};
struct fuse_iqueue;
@@ -863,6 +867,9 @@ struct fuse_conn {
/* Use pages instead of pointer for kernel I/O */
unsigned int use_pages_for_kvec_io:1;
+ /* Use io_uring for communication */
+ unsigned int io_uring;
+
/** Maximum stack depth for passthrough backing files */
int max_stack_depth;
@@ -923,6 +930,11 @@ struct fuse_conn {
/** IDR for backing files ids */
struct idr backing_files_map;
#endif
+
+#ifdef CONFIG_FUSE_IO_URING
+ /** uring connection information*/
+ struct fuse_ring *ring;
+#endif
};
/*
@@ -947,6 +959,19 @@ struct fuse_mount {
struct rcu_head rcu;
};
+/*
+ * Empty header for FUSE opcodes without specific header needs.
+ * Used as a placeholder in args->in_args[0] for consistency
+ * across all FUSE operations, simplifying request handling.
+ */
+struct fuse_zero_header {};
+
+static inline void fuse_set_zero_arg0(struct fuse_args *args)
+{
+ args->in_args[0].size = sizeof(struct fuse_zero_header);
+ args->in_args[0].value = NULL;
+}
+
static inline struct fuse_mount *get_fuse_mount_super(struct super_block *sb)
{
return sb->s_fs_info;
@@ -1220,6 +1245,11 @@ void fuse_change_entry_timeout(struct dentry *entry, struct fuse_entry_out *o);
struct fuse_conn *fuse_conn_get(struct fuse_conn *fc);
/**
+ * Initialize the fuse processing queue
+ */
+void fuse_pqueue_init(struct fuse_pqueue *fpq);
+
+/**
* Initialize fuse_conn
*/
void fuse_conn_init(struct fuse_conn *fc, struct fuse_mount *fm,