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[PULL 13/24] migration/block-dirty-bitmap: rename finish_lock to just lo
From: |
Eric Blake |
Subject: |
[PULL 13/24] migration/block-dirty-bitmap: rename finish_lock to just lock |
Date: |
Mon, 27 Jul 2020 15:55:32 -0500 |
From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
finish_lock is bad name, as lock used not only on process end.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Message-Id: <20200727194236.19551-13-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
---
migration/block-dirty-bitmap.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/migration/block-dirty-bitmap.c b/migration/block-dirty-bitmap.c
index 9b39e7aa2b4f..9194807b54f1 100644
--- a/migration/block-dirty-bitmap.c
+++ b/migration/block-dirty-bitmap.c
@@ -143,7 +143,7 @@ typedef struct DBMLoadState {
BdrvDirtyBitmap *bitmap;
GSList *enabled_bitmaps;
- QemuMutex finish_lock;
+ QemuMutex lock; /* protect enabled_bitmaps */
} DBMLoadState;
typedef struct DBMState {
@@ -575,7 +575,7 @@ void dirty_bitmap_mig_before_vm_start(void)
DBMLoadState *s = &dbm_state.load;
GSList *item;
- qemu_mutex_lock(&s->finish_lock);
+ qemu_mutex_lock(&s->lock);
for (item = s->enabled_bitmaps; item; item = g_slist_next(item)) {
LoadBitmapState *b = item->data;
@@ -592,7 +592,7 @@ void dirty_bitmap_mig_before_vm_start(void)
g_slist_free(s->enabled_bitmaps);
s->enabled_bitmaps = NULL;
- qemu_mutex_unlock(&s->finish_lock);
+ qemu_mutex_unlock(&s->lock);
}
static void dirty_bitmap_load_complete(QEMUFile *f, DBMLoadState *s)
@@ -601,7 +601,7 @@ static void dirty_bitmap_load_complete(QEMUFile *f,
DBMLoadState *s)
trace_dirty_bitmap_load_complete();
bdrv_dirty_bitmap_deserialize_finish(s->bitmap);
- qemu_mutex_lock(&s->finish_lock);
+ qemu_mutex_lock(&s->lock);
for (item = s->enabled_bitmaps; item; item = g_slist_next(item)) {
LoadBitmapState *b = item->data;
@@ -633,7 +633,7 @@ static void dirty_bitmap_load_complete(QEMUFile *f,
DBMLoadState *s)
bdrv_dirty_bitmap_unlock(s->bitmap);
}
- qemu_mutex_unlock(&s->finish_lock);
+ qemu_mutex_unlock(&s->lock);
}
static int dirty_bitmap_load_bits(QEMUFile *f, DBMLoadState *s)
@@ -815,7 +815,7 @@ static SaveVMHandlers savevm_dirty_bitmap_handlers = {
void dirty_bitmap_mig_init(void)
{
QSIMPLEQ_INIT(&dbm_state.save.dbms_list);
- qemu_mutex_init(&dbm_state.load.finish_lock);
+ qemu_mutex_init(&dbm_state.load.lock);
register_savevm_live("dirty-bitmap", 0, 1,
&savevm_dirty_bitmap_handlers,
--
2.27.0
- [PULL 05/24] qemu-iotests/199: improve performance: set bitmap by discard, (continued)
- [PULL 05/24] qemu-iotests/199: improve performance: set bitmap by discard, Eric Blake, 2020/07/27
- [PULL 06/24] qemu-iotests/199: change discard patterns, Eric Blake, 2020/07/27
- [PULL 07/24] qemu-iotests/199: increase postcopy period, Eric Blake, 2020/07/27
- [PULL 08/24] migration/block-dirty-bitmap: fix dirty_bitmap_mig_before_vm_start, Eric Blake, 2020/07/27
- [PULL 09/24] migration/block-dirty-bitmap: rename state structure types, Eric Blake, 2020/07/27
- [PULL 11/24] migration/block-dirty-bitmap: move mutex init to dirty_bitmap_mig_init, Eric Blake, 2020/07/27
- [PULL 12/24] migration/block-dirty-bitmap: refactor state global variables, Eric Blake, 2020/07/27
- [PULL 10/24] migration/block-dirty-bitmap: rename dirty_bitmap_mig_cleanup, Eric Blake, 2020/07/27
- [PULL 15/24] migration/block-dirty-bitmap: keep bitmap state for all bitmaps, Eric Blake, 2020/07/27
- [PULL 14/24] migration/block-dirty-bitmap: simplify dirty_bitmap_load_complete, Eric Blake, 2020/07/27
- [PULL 13/24] migration/block-dirty-bitmap: rename finish_lock to just lock,
Eric Blake <=
- [PULL 16/24] migration/block-dirty-bitmap: relax error handling in incoming part, Eric Blake, 2020/07/27
- [PULL 17/24] migration/block-dirty-bitmap: cancel migration on shutdown, Eric Blake, 2020/07/27
- [PULL 18/24] migration/savevm: don't worry if bitmap migration postcopy failed, Eric Blake, 2020/07/27
- [PULL 20/24] qemu-iotests/199: check persistent bitmaps, Eric Blake, 2020/07/27
- [PULL 22/24] qemu-iotests/199: add source-killed case to bitmaps postcopy, Eric Blake, 2020/07/27
- [PULL 19/24] qemu-iotests/199: prepare for new test-cases addition, Eric Blake, 2020/07/27
- [PULL 21/24] qemu-iotests/199: add early shutdown case to bitmaps postcopy, Eric Blake, 2020/07/27
- [PULL 23/24] iotests: Adjust which migration tests are quick, Eric Blake, 2020/07/27
- [PULL 24/24] migration: Fix typos in bitmap migration comments, Eric Blake, 2020/07/27
- Re: [PULL 00/24] bitmaps patches for -rc2, 2020-07-27, Peter Maydell, 2020/07/28