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| author | Jens Axboe <axboe@kernel.dk> | 2021-02-13 19:00:02 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-02-13 19:00:02 +0300 |
| commit | 68e68ee6e359318c40891f614612616d219066d0 (patch) | |
| tree | d2edf1adc09aaa6fa8d84222d42f13fa51a315bd /fs | |
| parent | e06aa2e94f0532d04bad7713eb7c6a32ab9ba674 (diff) | |
| download | linux-68e68ee6e359318c40891f614612616d219066d0.tar.xz | |
io_uring: allow task match to be passed to io_req_cache_free()
No changes in this patch, just allows a caller to pass in a targeted
task that we must match for freeing requests in the cache.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/io_uring.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index 2e8cb739c835..9cd7b03a6f34 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -8681,12 +8681,13 @@ static void io_destroy_buffers(struct io_ring_ctx *ctx) idr_destroy(&ctx->io_buffer_idr); } -static void io_req_cache_free(struct list_head *list) +static void io_req_cache_free(struct list_head *list, struct task_struct *tsk) { - while (!list_empty(list)) { - struct io_kiocb *req; + struct io_kiocb *req, *nxt; - req = list_first_entry(list, struct io_kiocb, compl.list); + list_for_each_entry_safe(req, nxt, list, compl.list) { + if (tsk && req->task != tsk) + continue; list_del(&req->compl.list); kmem_cache_free(req_cachep, req); } @@ -8742,8 +8743,8 @@ static void io_ring_ctx_free(struct io_ring_ctx *ctx) free_uid(ctx->user); put_cred(ctx->creds); kfree(ctx->cancel_hash); - io_req_cache_free(&ctx->submit_state.comp.free_list); - io_req_cache_free(&ctx->submit_state.comp.locked_free_list); + io_req_cache_free(&ctx->submit_state.comp.free_list, NULL); + io_req_cache_free(&ctx->submit_state.comp.locked_free_list, NULL); kfree(ctx); } |