From eb06cbab7e92caf15033c91dfcacd2ba5d7bc88a Mon Sep 17 00:00:00 2001
From: Peter Lieven <pl@kamp.de>
Date: Fri, 2 Jul 2021 19:23:56 +0200
Subject: [PATCH] block/rbd: drop qemu_rbd_refresh_limits
librbd supports 1 byte alignment for all aio operations.
Currently, there is no API call to query limits from the Ceph
ObjectStore backend. So drop the bdrv_refresh_limits completely
until there is such an API call.
Signed-off-by: Peter Lieven <pl@kamp.de>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Message-Id: <20210702172356.11574-7-idryomov@gmail.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
block/rbd.c | 9 ---------
1 file changed, 9 deletions(-)
diff --git a/block/rbd.c b/block/rbd.c
index 3152bc8ba00..01a7b94d625 100644
--- a/block/rbd.c
+++ b/block/rbd.c
@@ -240,14 +240,6 @@ done:
return;
}
-
-static void qemu_rbd_refresh_limits(BlockDriverState *bs, Error **errp)
-{
- /* XXX Does RBD support AIO on less than 512-byte alignment? */
- bs->bl.request_alignment = 512;
-}
-
-
static int qemu_rbd_set_auth(rados_t cluster, BlockdevOptionsRbd *opts,
Error **errp)
{
@@ -1482,7 +1474,6 @@ static BlockDriver bdrv_rbd = {
.format_name = "rbd",
.instance_size = sizeof(BDRVRBDState),
.bdrv_parse_filename = qemu_rbd_parse_filename,
- .bdrv_refresh_limits = qemu_rbd_refresh_limits,
.bdrv_file_open = qemu_rbd_open,
.bdrv_close = qemu_rbd_close,
.bdrv_reopen_prepare = qemu_rbd_reopen_prepare,
--
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