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Diffstat (limited to 'io_uring/io_uring.c')
-rw-r--r--io_uring/io_uring.c82
1 files changed, 0 insertions, 82 deletions
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 0c47c919887f..c0f1f79933ac 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -2699,38 +2699,6 @@ out_free:
return ret;
}
-/*
- * Note when io_fixed_fd_install() returns error value, it will ensure
- * fput() is called correspondingly.
- */
-int io_fixed_fd_install(struct io_kiocb *req, unsigned int issue_flags,
- struct file *file, unsigned int file_slot)
-{
- bool alloc_slot = file_slot == IORING_FILE_INDEX_ALLOC;
- struct io_ring_ctx *ctx = req->ctx;
- int ret;
-
- io_ring_submit_lock(ctx, issue_flags);
-
- if (alloc_slot) {
- ret = io_file_bitmap_get(ctx);
- if (unlikely(ret < 0))
- goto err;
- file_slot = ret;
- } else {
- file_slot--;
- }
-
- ret = io_install_fixed_file(req, file, issue_flags, file_slot);
- if (!ret && alloc_slot)
- ret = file_slot;
-err:
- io_ring_submit_unlock(ctx, issue_flags);
- if (unlikely(ret < 0))
- fput(file);
- return ret;
-}
-
static __maybe_unused int io_eopnotsupp_prep(struct io_kiocb *kiocb,
const struct io_uring_sqe *sqe)
{
@@ -3579,56 +3547,6 @@ static int io_cqring_wait(struct io_ring_ctx *ctx, int min_events,
return READ_ONCE(rings->cq.head) == READ_ONCE(rings->cq.tail) ? ret : 0;
}
-int io_install_fixed_file(struct io_kiocb *req, struct file *file,
- unsigned int issue_flags, u32 slot_index)
- __must_hold(&req->ctx->uring_lock)
-{
- struct io_ring_ctx *ctx = req->ctx;
- bool needs_switch = false;
- struct io_fixed_file *file_slot;
- int ret;
-
- if (io_is_uring_fops(file))
- return -EBADF;
- if (!ctx->file_data)
- return -ENXIO;
- if (slot_index >= ctx->nr_user_files)
- return -EINVAL;
-
- slot_index = array_index_nospec(slot_index, ctx->nr_user_files);
- file_slot = io_fixed_file_slot(&ctx->file_table, slot_index);
-
- if (file_slot->file_ptr) {
- struct file *old_file;
-
- ret = io_rsrc_node_switch_start(ctx);
- if (ret)
- goto err;
-
- old_file = (struct file *)(file_slot->file_ptr & FFS_MASK);
- ret = io_queue_rsrc_removal(ctx->file_data, slot_index,
- ctx->rsrc_node, old_file);
- if (ret)
- goto err;
- file_slot->file_ptr = 0;
- io_file_bitmap_clear(&ctx->file_table, slot_index);
- needs_switch = true;
- }
-
- ret = io_scm_file_account(ctx, file);
- if (!ret) {
- *io_get_tag_slot(ctx->file_data, slot_index) = 0;
- io_fixed_file_set(file_slot, file);
- io_file_bitmap_set(&ctx->file_table, slot_index);
- }
-err:
- if (needs_switch)
- io_rsrc_node_switch(ctx, ctx->file_data);
- if (ret)
- fput(file);
- return ret;
-}
-
static void io_mem_free(void *ptr)
{
struct page *page;