diff options
Diffstat (limited to 'block/ll_rw_blk.c')
| -rw-r--r-- | block/ll_rw_blk.c | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c index 3d0422f4845..b9bb02e845c 100644 --- a/block/ll_rw_blk.c +++ b/block/ll_rw_blk.c @@ -3904,6 +3904,26 @@ void exit_io_context(void) put_io_context(ioc); } +struct io_context *alloc_io_context(gfp_t gfp_flags, int node) +{ + struct io_context *ret; + + ret = kmem_cache_alloc_node(iocontext_cachep, gfp_flags, node); + if (ret) { + atomic_set(&ret->refcount, 1); + ret->task = current; + ret->ioprio_changed = 0; + ret->ioprio = 0; + ret->last_waited = jiffies; /* doesn't matter... */ + ret->nr_batch_requests = 0; /* because this is 0 */ + ret->aic = NULL; + ret->cic_root.rb_node = NULL; + ret->ioc_data = NULL; + } + + return ret; +} + /* * If the current task has no IO context then create one and initialise it. * Otherwise, return its existing IO context. @@ -3921,16 +3941,8 @@ static struct io_context *current_io_context(gfp_t gfp_flags, int node) if (likely(ret)) return ret; - ret = kmem_cache_alloc_node(iocontext_cachep, gfp_flags, node); + ret = alloc_io_context(gfp_flags, node); if (ret) { - atomic_set(&ret->refcount, 1); - ret->task = current; - ret->ioprio_changed = 0; - ret->last_waited = jiffies; /* doesn't matter... */ - ret->nr_batch_requests = 0; /* because this is 0 */ - ret->aic = NULL; - ret->cic_root.rb_node = NULL; - ret->ioc_data = NULL; /* make sure set_task_ioprio() sees the settings above */ smp_wmb(); tsk->io_context = ret; |