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authorKevin Wolf <kwolf@redhat.com>2016-04-14 15:56:02 +0200
committerKevin Wolf <kwolf@redhat.com>2016-05-25 19:04:21 +0200
commit8543c274141ade048c6a6070a095761a65acbb82 (patch)
treeb3921a8499c459646ad269940e28e7d030eca164
parent12b3e52e4875ca018e033c66f1825437a005c239 (diff)
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backup: Remove bs parameter from backup_do_cow()
Now that we pass the job to the function, bs is implied by that. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Alberto Garcia <berto@igalia.com>
-rw-r--r--block/backup.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/block/backup.c b/block/backup.c
index a57288f1b6..670ba50ce5 100644
--- a/block/backup.c
+++ b/block/backup.c
@@ -94,12 +94,12 @@ static void cow_request_end(CowRequest *req)
qemu_co_queue_restart_all(&req->wait_queue);
}
-static int coroutine_fn backup_do_cow(BlockDriverState *bs,
- BackupBlockJob *job,
+static int coroutine_fn backup_do_cow(BackupBlockJob *job,
int64_t sector_num, int nb_sectors,
bool *error_is_read,
bool is_write_notifier)
{
+ BlockDriverState *bs = job->common.bs;
CowRequest cow_request;
struct iovec iov;
QEMUIOVector bounce_qiov;
@@ -203,11 +203,11 @@ static int coroutine_fn backup_before_write_notify(
int64_t sector_num = req->offset >> BDRV_SECTOR_BITS;
int nb_sectors = req->bytes >> BDRV_SECTOR_BITS;
+ assert(req->bs == job->common.bs);
assert((req->offset & (BDRV_SECTOR_SIZE - 1)) == 0);
assert((req->bytes & (BDRV_SECTOR_SIZE - 1)) == 0);
- return backup_do_cow(req->bs, job, sector_num,
- nb_sectors, NULL, true);
+ return backup_do_cow(job, sector_num, nb_sectors, NULL, true);
}
static void backup_set_speed(BlockJob *job, int64_t speed, Error **errp)
@@ -324,7 +324,6 @@ static int coroutine_fn backup_run_incremental(BackupBlockJob *job)
int64_t end;
int64_t last_cluster = -1;
int64_t sectors_per_cluster = cluster_size_sectors(job);
- BlockDriverState *bs = job->common.bs;
HBitmapIter hbi;
granularity = bdrv_dirty_bitmap_granularity(job->sync_bitmap);
@@ -346,7 +345,7 @@ static int coroutine_fn backup_run_incremental(BackupBlockJob *job)
if (yield_and_check(job)) {
return ret;
}
- ret = backup_do_cow(bs, job, cluster * sectors_per_cluster,
+ ret = backup_do_cow(job, cluster * sectors_per_cluster,
sectors_per_cluster, &error_is_read,
false);
if ((ret < 0) &&
@@ -446,7 +445,7 @@ static void coroutine_fn backup_run(void *opaque)
}
}
/* FULL sync mode we copy the whole drive. */
- ret = backup_do_cow(bs, job, start * sectors_per_cluster,
+ ret = backup_do_cow(job, start * sectors_per_cluster,
sectors_per_cluster, &error_is_read, false);
if (ret < 0) {
/* Depending on error action, fail now or retry cluster */