diff options
Diffstat (limited to 'block/backup.c')
| -rw-r--r-- | block/backup.c | 32 |
1 files changed, 21 insertions, 11 deletions
diff --git a/block/backup.c b/block/backup.c index 5dda1673ca..f5125984db 100644 --- a/block/backup.c +++ b/block/backup.c @@ -223,8 +223,10 @@ fail: return NULL; } -/* Copy range to target with a bounce buffer and return the bytes copied. If - * error occurred, return a negative error number */ +/* + * Copy range to target with a bounce buffer and return the bytes copied. If + * error occurred, return a negative error number + */ static int coroutine_fn block_copy_with_bounce_buffer(BlockCopyState *s, int64_t start, int64_t end, @@ -269,8 +271,10 @@ fail: } -/* Copy range to target and return the bytes copied. If error occurred, return a - * negative error number. */ +/* + * Copy range to target and return the bytes copied. If error occurred, return a + * negative error number. + */ static int coroutine_fn block_copy_with_offload(BlockCopyState *s, int64_t start, int64_t end, @@ -341,7 +345,7 @@ static int block_copy_is_cluster_allocated(BlockCopyState *s, int64_t offset, } } -/** +/* * Reset bits in copy_bitmap starting at offset if they represent unallocated * data in the image. May reset subsequent contiguous bits. * @return 0 when the cluster at @offset was unallocated, @@ -592,8 +596,10 @@ static bool coroutine_fn yield_and_check(BackupBlockJob *job) return true; } - /* We need to yield even for delay_ns = 0 so that bdrv_drain_all() can - * return. Without a yield, the VM would not reboot. */ + /* + * We need to yield even for delay_ns = 0 so that bdrv_drain_all() can + * return. Without a yield, the VM would not reboot. + */ delay_ns = block_job_ratelimit_get_delay(&job->common, job->bytes_read); job->bytes_read = 0; job_sleep_ns(&job->common.job, delay_ns); @@ -692,11 +698,15 @@ static int coroutine_fn backup_run(Job *job, Error **errp) } if (s->sync_mode == MIRROR_SYNC_MODE_NONE) { - /* All bits are set in copy_bitmap to allow any cluster to be copied. - * This does not actually require them to be copied. */ + /* + * All bits are set in copy_bitmap to allow any cluster to be copied. + * This does not actually require them to be copied. + */ while (!job_is_cancelled(job)) { - /* Yield until the job is cancelled. We just let our before_write - * notify callback service CoW requests. */ + /* + * Yield until the job is cancelled. We just let our before_write + * notify callback service CoW requests. + */ job_yield(job); } } else { |