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[Qemu-block] [PULL 15/16] qcow2: reorder fields in Qcow2CachedTable to r
From: |
Kevin Wolf |
Subject: |
[Qemu-block] [PULL 15/16] qcow2: reorder fields in Qcow2CachedTable to reduce padding |
Date: |
Fri, 4 Sep 2015 22:10:46 +0200 |
From: Alberto Garcia <address@hidden>
Changing the current ordering saves 8 bytes per cache entry in x86_64.
Signed-off-by: Alberto Garcia <address@hidden>
Reviewed-by: Max Reitz <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
Reviewed-by: Kevin Wolf <address@hidden>
Message-id: address@hidden
Signed-off-by: Max Reitz <address@hidden>
---
block/qcow2-cache.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block/qcow2-cache.c b/block/qcow2-cache.c
index 8457458..046f5b8 100644
--- a/block/qcow2-cache.c
+++ b/block/qcow2-cache.c
@@ -37,9 +37,9 @@
typedef struct Qcow2CachedTable {
int64_t offset;
- bool dirty;
uint64_t lru_counter;
int ref;
+ bool dirty;
} Qcow2CachedTable;
struct Qcow2Cache {
--
1.8.3.1
- [Qemu-block] [PULL 02/16] qemu-iotests: disable default qemu devices for cross-platform compatibility, (continued)
- [Qemu-block] [PULL 02/16] qemu-iotests: disable default qemu devices for cross-platform compatibility, Kevin Wolf, 2015/09/04
- [Qemu-block] [PULL 04/16] qemu-iotests: s390x: fix test 049, reject negative sizes in QemuOpts, Kevin Wolf, 2015/09/04
- [Qemu-block] [PULL 05/16] qemu-iotests: s390x: fix test 130, Kevin Wolf, 2015/09/04
- [Qemu-block] [PULL 06/16] block/raw-posix: Use raw_normalize_devicepath(), Kevin Wolf, 2015/09/04
- [Qemu-block] [PULL 08/16] iotests: More options for VM.add_drive(), Kevin Wolf, 2015/09/04
- [Qemu-block] [PULL 07/16] qemu-img: Fix crash in amend invocation, Kevin Wolf, 2015/09/04
- [Qemu-block] [PULL 09/16] iotests: Respect -nodefaults in tests 41 and 55, Kevin Wolf, 2015/09/04
- [Qemu-block] [PULL 11/16] iotests: Warn if python subprocess is killed, Kevin Wolf, 2015/09/04
- [Qemu-block] [PULL 10/16] iotests: Do not suppress segfaults in bash tests, Kevin Wolf, 2015/09/04
- [Qemu-block] [PULL 12/16] qcow2: mark the memory as no longer needed after qcow2_cache_empty(), Kevin Wolf, 2015/09/04
- [Qemu-block] [PULL 15/16] qcow2: reorder fields in Qcow2CachedTable to reduce padding,
Kevin Wolf <=
- [Qemu-block] [PULL 13/16] qcow2: add option to clean unused cache entries after some time, Kevin Wolf, 2015/09/04
- [Qemu-block] [PULL 14/16] docs: document how to configure the qcow2 L2/refcount caches, Kevin Wolf, 2015/09/04
- [Qemu-block] [PULL 16/16] quorum: validate vote threshold against num_children even if read-pattern is fifo, Kevin Wolf, 2015/09/04
- Re: [Qemu-block] [Qemu-devel] [PULL 00/16] Block patches, Peter Maydell, 2015/09/07