[PULL 18/21] qemu-file: Remove QEMUFileHooks

[Juan Quintela <quintela@redhat.com>]

The only user was rdma, and its use is gone.

Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20230509120700.78359-8-quintela@redhat.com>
---
 migration/qemu-file.h | 4 ----
 migration/qemu-file.c | 6 ------
 migration/rdma.c      | 9 ---------
 3 files changed, 19 deletions(-)

diff --git a/migration/qemu-file.h b/migration/qemu-file.h
index c43c410168..c7c832d200 100644
--- a/migration/qemu-file.h
+++ b/migration/qemu-file.h
@@ -36,12 +36,8 @@
 #define RAM_CONTROL_ROUND     1
 #define RAM_CONTROL_FINISH    3
 
-typedef struct QEMUFileHooks {
-} QEMUFileHooks;
-
 QEMUFile *qemu_file_new_input(QIOChannel *ioc);
 QEMUFile *qemu_file_new_output(QIOChannel *ioc);
-void qemu_file_set_hooks(QEMUFile *f, const QEMUFileHooks *hooks);
 int qemu_fclose(QEMUFile *f);
 
 /*
diff --git a/migration/qemu-file.c b/migration/qemu-file.c
index a222daeaab..c94b667726 100644
--- a/migration/qemu-file.c
+++ b/migration/qemu-file.c
@@ -38,7 +38,6 @@
 #define MAX_IOV_SIZE MIN_CONST(IOV_MAX, 64)
 
 struct QEMUFile {
-    const QEMUFileHooks *hooks;
     QIOChannel *ioc;
     bool is_writable;
 
@@ -147,11 +146,6 @@ QEMUFile *qemu_file_new_input(QIOChannel *ioc)
     return qemu_file_new_impl(ioc, false);
 }
 
-void qemu_file_set_hooks(QEMUFile *f, const QEMUFileHooks *hooks)
-{
-    f->hooks = hooks;
-}
-
 /*
  * Get last error for stream f with optional Error*
  *
diff --git a/migration/rdma.c b/migration/rdma.c
index b506b86b47..b85259263a 100644
--- a/migration/rdma.c
+++ b/migration/rdma.c
@@ -4010,13 +4010,6 @@ err:
     return ret;
 }
 
-static const QEMUFileHooks rdma_read_hooks = {
-};
-
-static const QEMUFileHooks rdma_write_hooks = {
-};
-
-
 static void qio_channel_rdma_finalize(Object *obj)
 {
     QIOChannelRDMA *rioc = QIO_CHANNEL_RDMA(obj);
@@ -4075,12 +4068,10 @@ static QEMUFile *qemu_fopen_rdma(RDMAContext *rdma, const char *mode)
         rioc->file = qemu_file_new_output(QIO_CHANNEL(rioc));
         rioc->rdmaout = rdma;
         rioc->rdmain = rdma->return_path;
-        qemu_file_set_hooks(rioc->file, &rdma_write_hooks);
     } else {
         rioc->file = qemu_file_new_input(QIO_CHANNEL(rioc));
         rioc->rdmain = rdma;
         rioc->rdmaout = rdma->return_path;
-        qemu_file_set_hooks(rioc->file, &rdma_read_hooks);
     }
 
     return rioc->file;
-- 
2.40.1