|
 |
7711c0 |
From 7eca8ae696c2f3be102eef0a0e1bd0e6f24129cb Mon Sep 17 00:00:00 2001
|
|
|
7711c0 |
From: Kevin Wolf <kwolf@redhat.com>
|
|
|
7711c0 |
Date: Tue, 19 Feb 2019 17:00:17 +0100
|
|
|
7711c0 |
Subject: [PATCH 16/23] qcow2: Avoid duplication in setting the refcount cache
|
|
|
7711c0 |
size
|
|
|
7711c0 |
|
|
|
7711c0 |
RH-Author: Kevin Wolf <kwolf@redhat.com>
|
|
|
7711c0 |
Message-id: <20190219170023.27826-8-kwolf@redhat.com>
|
|
|
7711c0 |
Patchwork-id: 84547
|
|
|
7711c0 |
O-Subject: [RHEL-7.7 qemu-kvm-rhev PATCH 07/13] qcow2: Avoid duplication in setting the refcount cache size
|
|
|
7711c0 |
Bugzilla: 1656913
|
|
|
7711c0 |
RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
|
|
|
7711c0 |
RH-Acked-by: Max Reitz <mreitz@redhat.com>
|
|
|
7711c0 |
RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
|
|
|
7711c0 |
|
|
|
7711c0 |
From: Leonid Bloch <lbloch@janustech.com>
|
|
|
7711c0 |
|
|
|
7711c0 |
The refcount cache size does not need to be set to its minimum value in
|
|
|
7711c0 |
read_cache_sizes(), as it is set to at least its minimum value in
|
|
|
7711c0 |
qcow2_update_options_prepare().
|
|
|
7711c0 |
|
|
|
7711c0 |
Signed-off-by: Leonid Bloch <lbloch@janustech.com>
|
|
|
7711c0 |
Reviewed-by: Alberto Garcia <berto@igalia.com>
|
|
|
7711c0 |
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
|
|
|
7711c0 |
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
|
|
|
7711c0 |
(cherry picked from commit 657ada52abb85140e56949f522ecec527b256450)
|
|
|
7711c0 |
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
|
|
|
7711c0 |
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
|
|
|
7711c0 |
---
|
|
|
7711c0 |
block/qcow2.c | 5 ++---
|
|
|
7711c0 |
1 file changed, 2 insertions(+), 3 deletions(-)
|
|
|
7711c0 |
|
|
|
7711c0 |
diff --git a/block/qcow2.c b/block/qcow2.c
|
|
|
7711c0 |
index 3859112..f3b2860 100644
|
|
|
7711c0 |
--- a/block/qcow2.c
|
|
|
7711c0 |
+++ b/block/qcow2.c
|
|
|
7711c0 |
@@ -830,10 +830,9 @@ static void read_cache_sizes(BlockDriverState *bs, QemuOpts *opts,
|
|
|
7711c0 |
(uint64_t)DEFAULT_L2_CACHE_CLUSTERS
|
|
|
7711c0 |
* s->cluster_size);
|
|
|
7711c0 |
}
|
|
|
7711c0 |
- if (!refcount_cache_size_set) {
|
|
|
7711c0 |
- *refcount_cache_size = min_refcount_cache;
|
|
|
7711c0 |
- }
|
|
|
7711c0 |
}
|
|
|
7711c0 |
+ /* l2_cache_size and refcount_cache_size are ensured to have at least
|
|
|
7711c0 |
+ * their minimum values in qcow2_update_options_prepare() */
|
|
|
7711c0 |
|
|
|
7711c0 |
if (*l2_cache_entry_size < (1 << MIN_CLUSTER_BITS) ||
|
|
|
7711c0 |
*l2_cache_entry_size > s->cluster_size ||
|
|
|
7711c0 |
--
|
|
|
7711c0 |
1.8.3.1
|
|
|
7711c0 |
|