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[PATCH 4/7] block/rbd: add bdrv_{attach,detach}_aio_context
From: |
Peter Lieven |
Subject: |
[PATCH 4/7] block/rbd: add bdrv_{attach,detach}_aio_context |
Date: |
Sun, 27 Dec 2020 17:42:33 +0100 |
Signed-off-by: Peter Lieven <pl@kamp.de>
---
block/rbd.c | 21 +++++++++++++++++++--
1 file changed, 19 insertions(+), 2 deletions(-)
diff --git a/block/rbd.c b/block/rbd.c
index a2da70e37f..27b232f4d8 100644
--- a/block/rbd.c
+++ b/block/rbd.c
@@ -91,6 +91,7 @@ typedef struct BDRVRBDState {
char *namespace;
uint64_t image_size;
uint64_t object_size;
+ AioContext *aio_context;
} BDRVRBDState;
static int qemu_rbd_connect(rados_t *cluster, rados_ioctx_t *io_ctx,
@@ -749,6 +750,8 @@ static int qemu_rbd_open(BlockDriverState *bs, QDict
*options, int flags,
}
}
+ s->aio_context = bdrv_get_aio_context(bs);
+
/* When extending regular files, we get zeros from the OS */
bs->supported_truncate_flags = BDRV_REQ_ZERO_WRITE;
@@ -839,8 +842,7 @@ static void rbd_finish_aiocb(rbd_completion_t c, RADOSCB
*rcb)
rcb->ret = rbd_aio_get_return_value(c);
rbd_aio_release(c);
- replay_bh_schedule_oneshot_event(bdrv_get_aio_context(acb->common.bs),
- rbd_finish_bh, rcb);
+ replay_bh_schedule_oneshot_event(acb->s->aio_context, rbd_finish_bh, rcb);
}
static BlockAIOCB *rbd_start_aio(BlockDriverState *bs,
@@ -1151,6 +1153,18 @@ static const char *const qemu_rbd_strong_runtime_opts[]
= {
NULL
};
+static void qemu_rbd_attach_aio_context(BlockDriverState *bs,
+ AioContext *new_context)
+{
+ BDRVRBDState *s = bs->opaque;
+ s->aio_context = new_context;
+}
+
+static void qemu_rbd_detach_aio_context(BlockDriverState *bs)
+{
+
+}
+
static BlockDriver bdrv_rbd = {
.format_name = "rbd",
.instance_size = sizeof(BDRVRBDState),
@@ -1180,6 +1194,9 @@ static BlockDriver bdrv_rbd = {
.bdrv_snapshot_goto = qemu_rbd_snap_rollback,
.bdrv_co_invalidate_cache = qemu_rbd_co_invalidate_cache,
+ .bdrv_attach_aio_context = qemu_rbd_attach_aio_context,
+ .bdrv_detach_aio_context = qemu_rbd_detach_aio_context,
+
.strong_runtime_opts = qemu_rbd_strong_runtime_opts,
};
--
2.17.1
- [PATCH 0/7] block/rbd: migrate to coroutines and add write zeroes support, Peter Lieven, 2020/12/27
- [PATCH 1/7] block/rbd: bump librbd requirement to luminous release, Peter Lieven, 2020/12/27
- [PATCH 2/7] block/rbd: store object_size in BDRVRBDState, Peter Lieven, 2020/12/27
- [PATCH 3/7] block/rbd: use stored image_size in qemu_rbd_getlength, Peter Lieven, 2020/12/27
- [PATCH 5/7] block/rbd: migrate from aio to coroutines, Peter Lieven, 2020/12/27
- [PATCH 4/7] block/rbd: add bdrv_{attach,detach}_aio_context,
Peter Lieven <=
- [PATCH 7/7] block/rbd: change request alignment to 1 byte, Peter Lieven, 2020/12/27
- [PATCH 6/7] block/rbd: add write zeroes support, Peter Lieven, 2020/12/27