Patchwork [v2,11/17] block/rbd: drop qemu_rbd_aio_flush_cb()

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Submitter Stefan Hajnoczi
Date April 17, 2013, 1:07 p.m.
Message ID <1366204073-8468-12-git-send-email-stefanha@redhat.com>
Download mbox | patch
Permalink /patch/237233/
State New
Headers show

Comments

Stefan Hajnoczi - April 17, 2013, 1:07 p.m.
.io_flush() is no longer called so drop qemu_rbd_aio_flush_cb().
qemu_aio_count is unused now so drop it too.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
---
 block/rbd.c | 14 +-------------
 1 file changed, 1 insertion(+), 13 deletions(-)

Patch

diff --git a/block/rbd.c b/block/rbd.c
index 141b488..20bf0c7 100644
--- a/block/rbd.c
+++ b/block/rbd.c
@@ -100,7 +100,6 @@  typedef struct BDRVRBDState {
     rados_ioctx_t io_ctx;
     rbd_image_t image;
     char name[RBD_MAX_IMAGE_NAME_SIZE];
-    int qemu_aio_count;
     char *snap;
     int event_reader_pos;
     RADOSCB *event_rcb;
@@ -428,19 +427,11 @@  static void qemu_rbd_aio_event_reader(void *opaque)
             if (s->event_reader_pos == sizeof(s->event_rcb)) {
                 s->event_reader_pos = 0;
                 qemu_rbd_complete_aio(s->event_rcb);
-                s->qemu_aio_count--;
             }
         }
     } while (ret < 0 && errno == EINTR);
 }
 
-static int qemu_rbd_aio_flush_cb(void *opaque)
-{
-    BDRVRBDState *s = opaque;
-
-    return (s->qemu_aio_count > 0);
-}
-
 static int qemu_rbd_open(BlockDriverState *bs, const char *filename,
                          QDict *options, int flags)
 {
@@ -526,7 +517,7 @@  static int qemu_rbd_open(BlockDriverState *bs, const char *filename,
     fcntl(s->fds[0], F_SETFL, O_NONBLOCK);
     fcntl(s->fds[1], F_SETFL, O_NONBLOCK);
     qemu_aio_set_fd_handler(s->fds[RBD_FD_READ], qemu_rbd_aio_event_reader,
-                            NULL, qemu_rbd_aio_flush_cb, s);
+                            NULL, NULL, s);
 
 
     return 0;
@@ -710,8 +701,6 @@  static BlockDriverAIOCB *rbd_start_aio(BlockDriverState *bs,
     off = sector_num * BDRV_SECTOR_SIZE;
     size = nb_sectors * BDRV_SECTOR_SIZE;
 
-    s->qemu_aio_count++; /* All the RADOSCB */
-
     rcb = g_malloc(sizeof(RADOSCB));
     rcb->done = 0;
     rcb->acb = acb;
@@ -748,7 +737,6 @@  static BlockDriverAIOCB *rbd_start_aio(BlockDriverState *bs,
 
 failed:
     g_free(rcb);
-    s->qemu_aio_count--;
     qemu_aio_release(acb);
     return NULL;
 }