diff options
Diffstat (limited to 'include/linux/bio.h')
| -rw-r--r-- | include/linux/bio.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h index 93d3d17a300d..b31036ff779f 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -513,6 +513,15 @@ struct bio_set { mempool_t *bio_integrity_pool; #endif mempool_t *bvec_pool; + + /* + * Deadlock avoidance for stacking block drivers: see comments in + * bio_alloc_bioset() for details + */ + spinlock_t rescue_lock; + struct bio_list rescue_list; + struct work_struct rescue_work; + struct workqueue_struct *rescue_workqueue; }; struct biovec_slab { |