diff options
Diffstat (limited to 'io_uring')
| -rw-r--r-- | io_uring/rsrc.c | 38 |
1 files changed, 18 insertions, 20 deletions
diff --git a/io_uring/rsrc.c b/io_uring/rsrc.c index b36d32534165..d25309400a45 100644 --- a/io_uring/rsrc.c +++ b/io_uring/rsrc.c @@ -309,22 +309,27 @@ __cold static int io_rsrc_ref_quiesce(struct io_rsrc_data *data, /* As we may drop ->uring_lock, other task may have started quiesce */ if (data->quiesce) return -ENXIO; + ret = io_rsrc_node_switch_start(ctx); + if (ret) + return ret; + io_rsrc_node_switch(ctx, data); + + /* kill initial ref, already quiesced if zero */ + if (atomic_dec_and_test(&data->refs)) + return 0; data->quiesce = true; + mutex_unlock(&ctx->uring_lock); do { - ret = io_rsrc_node_switch_start(ctx); - if (ret) - break; - io_rsrc_node_switch(ctx, data); - - /* kill initial ref, already quiesced if zero */ - if (atomic_dec_and_test(&data->refs)) - break; - mutex_unlock(&ctx->uring_lock); - ret = io_run_task_work_sig(ctx); - if (ret < 0) - goto reinit; + if (ret < 0) { + atomic_inc(&data->refs); + /* wait for all works potentially completing data->done */ + flush_delayed_work(&ctx->rsrc_put_work); + reinit_completion(&data->done); + mutex_lock(&ctx->uring_lock); + break; + } flush_delayed_work(&ctx->rsrc_put_work); ret = wait_for_completion_interruptible(&data->done); @@ -338,14 +343,7 @@ __cold static int io_rsrc_ref_quiesce(struct io_rsrc_data *data, */ mutex_unlock(&ctx->uring_lock); } -reinit: - atomic_inc(&data->refs); - /* wait for all works potentially completing data->done */ - flush_delayed_work(&ctx->rsrc_put_work); - reinit_completion(&data->done); - - mutex_lock(&ctx->uring_lock); - } while (ret >= 0); + } while (1); data->quiesce = false; return ret; |