diff options
| author | Kevin Wolf <kwolf@redhat.com> | 2018-01-19 15:54:40 +0100 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2018-05-15 16:11:50 +0200 |
| commit | bd21935b50d100d8da8c05cd3c2009f0f3432cb4 (patch) | |
| tree | a72b8ecf4fc95088942038d0e9da20fa78093e2b /block/backup.c | |
| parent | dee81d5111ff0e24ac63ab0dbbd19e84c2f87904 (diff) | |
blockjob: Add block_job_driver()
The backup block job directly accesses the driver field in BlockJob. Add
a wrapper for getting it.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Diffstat (limited to 'block/backup.c')
| -rw-r--r-- | block/backup.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/block/backup.c b/block/backup.c index cfdb6ecdf5..e14d99560d 100644 --- a/block/backup.c +++ b/block/backup.c @@ -47,6 +47,8 @@ typedef struct BackupBlockJob { HBitmap *copy_bitmap; } BackupBlockJob; +static const BlockJobDriver backup_job_driver; + /* See if in-flight requests overlap and wait for them to complete */ static void coroutine_fn wait_for_overlapping_requests(BackupBlockJob *job, int64_t start, @@ -241,7 +243,7 @@ void backup_do_checkpoint(BlockJob *job, Error **errp) BackupBlockJob *backup_job = container_of(job, BackupBlockJob, common); int64_t len; - assert(job->driver->job_type == BLOCK_JOB_TYPE_BACKUP); + assert(block_job_driver(job) == &backup_job_driver); if (backup_job->sync_mode != MIRROR_SYNC_MODE_NONE) { error_setg(errp, "The backup job only supports block checkpoint in" @@ -259,7 +261,7 @@ void backup_wait_for_overlapping_requests(BlockJob *job, int64_t offset, BackupBlockJob *backup_job = container_of(job, BackupBlockJob, common); int64_t start, end; - assert(job->driver->job_type == BLOCK_JOB_TYPE_BACKUP); + assert(block_job_driver(job) == &backup_job_driver); start = QEMU_ALIGN_DOWN(offset, backup_job->cluster_size); end = QEMU_ALIGN_UP(offset + bytes, backup_job->cluster_size); @@ -272,7 +274,7 @@ void backup_cow_request_begin(CowRequest *req, BlockJob *job, BackupBlockJob *backup_job = container_of(job, BackupBlockJob, common); int64_t start, end; - assert(job->driver->job_type == BLOCK_JOB_TYPE_BACKUP); + assert(block_job_driver(job) == &backup_job_driver); start = QEMU_ALIGN_DOWN(offset, backup_job->cluster_size); end = QEMU_ALIGN_UP(offset + bytes, backup_job->cluster_size); |