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io_uring: name rsrc bits consistently
Keep resource related structs' and functions' naming consistent, in particular use "io_rsrc" prefix for everything. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/962f5acdf810f3a62831e65da3932cde24f6d9df.1617287883.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov
Jens Axboe
parent
c80ca4707d
commit
b895c9a632
150
fs/io_uring.c
150
fs/io_uring.c
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@ -219,22 +219,22 @@ struct fixed_rsrc_table {
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struct file **files;
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};
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struct fixed_rsrc_ref_node {
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struct io_rsrc_node {
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struct percpu_ref refs;
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struct list_head node;
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struct list_head rsrc_list;
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struct fixed_rsrc_data *rsrc_data;
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struct io_rsrc_data *rsrc_data;
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void (*rsrc_put)(struct io_ring_ctx *ctx,
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struct io_rsrc_put *prsrc);
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struct llist_node llist;
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bool done;
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};
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struct fixed_rsrc_data {
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struct io_rsrc_data {
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struct fixed_rsrc_table *table;
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struct io_ring_ctx *ctx;
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struct fixed_rsrc_ref_node *node;
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struct io_rsrc_node *node;
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struct percpu_ref refs;
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struct completion done;
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bool quiesce;
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@ -393,7 +393,7 @@ struct io_ring_ctx {
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* readers must ensure that ->refs is alive as long as the file* is
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* used. Only updated through io_uring_register(2).
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*/
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struct fixed_rsrc_data *file_data;
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struct io_rsrc_data *file_data;
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unsigned nr_user_files;
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/* if used, fixed mapped user buffers */
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@ -447,7 +447,7 @@ struct io_ring_ctx {
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struct llist_head rsrc_put_llist;
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struct list_head rsrc_ref_list;
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spinlock_t rsrc_ref_lock;
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struct fixed_rsrc_ref_node *rsrc_backup_node;
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struct io_rsrc_node *rsrc_backup_node;
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struct io_restriction restrictions;
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@ -1027,9 +1027,8 @@ static void io_uring_try_cancel_requests(struct io_ring_ctx *ctx,
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struct task_struct *task,
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struct files_struct *files);
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static void io_uring_cancel_sqpoll(struct io_ring_ctx *ctx);
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static void destroy_fixed_rsrc_ref_node(struct fixed_rsrc_ref_node *ref_node);
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static struct fixed_rsrc_ref_node *alloc_fixed_rsrc_ref_node(
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struct io_ring_ctx *ctx);
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static void io_rsrc_node_destroy(struct io_rsrc_node *ref_node);
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static struct io_rsrc_node *io_rsrc_node_alloc(struct io_ring_ctx *ctx);
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static void io_ring_file_put(struct io_ring_ctx *ctx, struct io_rsrc_put *prsrc);
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static void io_cqring_fill_event(struct io_kiocb *req, long res);
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@ -1075,7 +1074,7 @@ EXPORT_SYMBOL(io_uring_get_socket);
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#define io_for_each_link(pos, head) \
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for (pos = (head); pos; pos = pos->link)
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static inline void io_set_resource_node(struct io_kiocb *req)
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static inline void io_req_set_rsrc_node(struct io_kiocb *req)
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{
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struct io_ring_ctx *ctx = req->ctx;
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@ -6287,7 +6286,7 @@ static void io_wq_submit_work(struct io_wq_work *work)
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#endif
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#define FFS_MASK ~(FFS_ASYNC_READ|FFS_ASYNC_WRITE|FFS_ISREG)
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static inline struct file **io_fixed_file_slot(struct fixed_rsrc_data *file_data,
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static inline struct file **io_fixed_file_slot(struct io_rsrc_data *file_data,
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unsigned i)
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{
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struct fixed_rsrc_table *table;
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@ -6321,7 +6320,7 @@ static struct file *io_file_get(struct io_submit_state *state,
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file_ptr &= ~FFS_MASK;
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/* mask in overlapping REQ_F and FFS bits */
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req->flags |= (file_ptr << REQ_F_ASYNC_READ_BIT);
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io_set_resource_node(req);
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io_req_set_rsrc_node(req);
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} else {
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trace_io_uring_file_get(ctx, fd);
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file = __io_file_get(state, fd);
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@ -7078,9 +7077,8 @@ static void __io_sqe_files_unregister(struct io_ring_ctx *ctx)
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static void io_rsrc_data_ref_zero(struct percpu_ref *ref)
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{
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struct fixed_rsrc_data *data;
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struct io_rsrc_data *data = container_of(ref, struct io_rsrc_data, refs);
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data = container_of(ref, struct fixed_rsrc_data, refs);
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complete(&data->done);
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}
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@ -7094,20 +7092,20 @@ static inline void io_rsrc_ref_unlock(struct io_ring_ctx *ctx)
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spin_unlock_bh(&ctx->rsrc_ref_lock);
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}
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static void io_sqe_rsrc_set_node(struct io_ring_ctx *ctx,
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struct fixed_rsrc_data *rsrc_data,
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struct fixed_rsrc_ref_node *ref_node)
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static void io_rsrc_node_set(struct io_ring_ctx *ctx,
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struct io_rsrc_data *rsrc_data,
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struct io_rsrc_node *rsrc_node)
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{
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io_rsrc_ref_lock(ctx);
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rsrc_data->node = ref_node;
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list_add_tail(&ref_node->node, &ctx->rsrc_ref_list);
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rsrc_data->node = rsrc_node;
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list_add_tail(&rsrc_node->node, &ctx->rsrc_ref_list);
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io_rsrc_ref_unlock(ctx);
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percpu_ref_get(&rsrc_data->refs);
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}
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static void io_sqe_rsrc_kill_node(struct io_ring_ctx *ctx, struct fixed_rsrc_data *data)
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static void io_rsrc_node_kill(struct io_ring_ctx *ctx, struct io_rsrc_data *data)
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{
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struct fixed_rsrc_ref_node *ref_node = NULL;
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struct io_rsrc_node *ref_node = NULL;
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io_rsrc_ref_lock(ctx);
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ref_node = data->node;
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@ -7117,21 +7115,21 @@ static void io_sqe_rsrc_kill_node(struct io_ring_ctx *ctx, struct fixed_rsrc_dat
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percpu_ref_kill(&ref_node->refs);
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}
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static int io_rsrc_refnode_prealloc(struct io_ring_ctx *ctx)
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static int io_rsrc_node_prealloc(struct io_ring_ctx *ctx)
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{
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if (ctx->rsrc_backup_node)
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return 0;
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ctx->rsrc_backup_node = alloc_fixed_rsrc_ref_node(ctx);
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ctx->rsrc_backup_node = io_rsrc_node_alloc(ctx);
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return ctx->rsrc_backup_node ? 0 : -ENOMEM;
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}
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static struct fixed_rsrc_ref_node *
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io_rsrc_refnode_get(struct io_ring_ctx *ctx,
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struct fixed_rsrc_data *rsrc_data,
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void (*rsrc_put)(struct io_ring_ctx *ctx,
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struct io_rsrc_put *prsrc))
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static struct io_rsrc_node *
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io_rsrc_node_get(struct io_ring_ctx *ctx,
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struct io_rsrc_data *rsrc_data,
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void (*rsrc_put)(struct io_ring_ctx *ctx,
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struct io_rsrc_put *prsrc))
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{
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struct fixed_rsrc_ref_node *node = ctx->rsrc_backup_node;
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struct io_rsrc_node *node = ctx->rsrc_backup_node;
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WARN_ON_ONCE(!node);
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@ -7141,12 +7139,12 @@ io_rsrc_refnode_get(struct io_ring_ctx *ctx,
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return node;
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}
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static int io_rsrc_ref_quiesce(struct fixed_rsrc_data *data,
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static int io_rsrc_ref_quiesce(struct io_rsrc_data *data,
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struct io_ring_ctx *ctx,
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void (*rsrc_put)(struct io_ring_ctx *ctx,
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struct io_rsrc_put *prsrc))
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{
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struct fixed_rsrc_ref_node *node;
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struct io_rsrc_node *node;
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int ret;
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if (data->quiesce)
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@ -7154,10 +7152,10 @@ static int io_rsrc_ref_quiesce(struct fixed_rsrc_data *data,
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data->quiesce = true;
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do {
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ret = io_rsrc_refnode_prealloc(ctx);
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ret = io_rsrc_node_prealloc(ctx);
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if (ret)
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break;
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io_sqe_rsrc_kill_node(ctx, data);
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io_rsrc_node_kill(ctx, data);
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percpu_ref_kill(&data->refs);
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flush_delayed_work(&ctx->rsrc_put_work);
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@ -7166,8 +7164,8 @@ static int io_rsrc_ref_quiesce(struct fixed_rsrc_data *data,
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break;
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percpu_ref_resurrect(&data->refs);
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node = io_rsrc_refnode_get(ctx, data, rsrc_put);
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io_sqe_rsrc_set_node(ctx, data, node);
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node = io_rsrc_node_get(ctx, data, rsrc_put);
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io_rsrc_node_set(ctx, data, node);
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reinit_completion(&data->done);
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mutex_unlock(&ctx->uring_lock);
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@ -7179,9 +7177,9 @@ static int io_rsrc_ref_quiesce(struct fixed_rsrc_data *data,
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return ret;
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}
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static struct fixed_rsrc_data *alloc_fixed_rsrc_data(struct io_ring_ctx *ctx)
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static struct io_rsrc_data *io_rsrc_data_alloc(struct io_ring_ctx *ctx)
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{
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struct fixed_rsrc_data *data;
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struct io_rsrc_data *data;
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data = kzalloc(sizeof(*data), GFP_KERNEL);
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if (!data)
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@ -7197,7 +7195,7 @@ static struct fixed_rsrc_data *alloc_fixed_rsrc_data(struct io_ring_ctx *ctx)
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return data;
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}
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static void free_fixed_rsrc_data(struct fixed_rsrc_data *data)
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static void io_rsrc_data_free(struct io_rsrc_data *data)
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{
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percpu_ref_exit(&data->refs);
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kfree(data->table);
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@ -7206,7 +7204,7 @@ static void free_fixed_rsrc_data(struct fixed_rsrc_data *data)
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static int io_sqe_files_unregister(struct io_ring_ctx *ctx)
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{
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struct fixed_rsrc_data *data = ctx->file_data;
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struct io_rsrc_data *data = ctx->file_data;
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unsigned nr_tables, i;
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int ret;
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@ -7225,7 +7223,7 @@ static int io_sqe_files_unregister(struct io_ring_ctx *ctx)
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nr_tables = DIV_ROUND_UP(ctx->nr_user_files, IORING_MAX_FILES_TABLE);
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for (i = 0; i < nr_tables; i++)
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kfree(data->table[i].files);
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free_fixed_rsrc_data(data);
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io_rsrc_data_free(data);
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ctx->file_data = NULL;
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ctx->nr_user_files = 0;
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return 0;
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@ -7454,7 +7452,7 @@ static int io_sqe_files_scm(struct io_ring_ctx *ctx)
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}
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#endif
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static int io_sqe_alloc_file_tables(struct fixed_rsrc_data *file_data,
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static int io_sqe_alloc_file_tables(struct io_rsrc_data *file_data,
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unsigned nr_tables, unsigned nr_files)
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{
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int i;
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@ -7544,9 +7542,9 @@ static void io_ring_file_put(struct io_ring_ctx *ctx, struct io_rsrc_put *prsrc)
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#endif
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}
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static void __io_rsrc_put_work(struct fixed_rsrc_ref_node *ref_node)
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static void __io_rsrc_put_work(struct io_rsrc_node *ref_node)
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{
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struct fixed_rsrc_data *rsrc_data = ref_node->rsrc_data;
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struct io_rsrc_data *rsrc_data = ref_node->rsrc_data;
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struct io_ring_ctx *ctx = rsrc_data->ctx;
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struct io_rsrc_put *prsrc, *tmp;
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@ -7570,10 +7568,10 @@ static void io_rsrc_put_work(struct work_struct *work)
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node = llist_del_all(&ctx->rsrc_put_llist);
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while (node) {
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struct fixed_rsrc_ref_node *ref_node;
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struct io_rsrc_node *ref_node;
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struct llist_node *next = node->next;
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ref_node = llist_entry(node, struct fixed_rsrc_ref_node, llist);
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ref_node = llist_entry(node, struct io_rsrc_node, llist);
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__io_rsrc_put_work(ref_node);
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node = next;
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}
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@ -7581,27 +7579,23 @@ static void io_rsrc_put_work(struct work_struct *work)
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static void io_rsrc_node_ref_zero(struct percpu_ref *ref)
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{
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struct fixed_rsrc_ref_node *ref_node;
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struct fixed_rsrc_data *data;
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struct io_ring_ctx *ctx;
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struct io_rsrc_node *node = container_of(ref, struct io_rsrc_node, refs);
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struct io_rsrc_data *data = node->rsrc_data;
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struct io_ring_ctx *ctx = data->ctx;
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bool first_add = false;
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int delay = HZ;
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ref_node = container_of(ref, struct fixed_rsrc_ref_node, refs);
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data = ref_node->rsrc_data;
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ctx = data->ctx;
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io_rsrc_ref_lock(ctx);
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ref_node->done = true;
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node->done = true;
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while (!list_empty(&ctx->rsrc_ref_list)) {
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ref_node = list_first_entry(&ctx->rsrc_ref_list,
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struct fixed_rsrc_ref_node, node);
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node = list_first_entry(&ctx->rsrc_ref_list,
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struct io_rsrc_node, node);
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/* recycle ref nodes in order */
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if (!ref_node->done)
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if (!node->done)
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break;
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list_del(&ref_node->node);
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first_add |= llist_add(&ref_node->llist, &ctx->rsrc_put_llist);
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list_del(&node->node);
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first_add |= llist_add(&node->llist, &ctx->rsrc_put_llist);
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}
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io_rsrc_ref_unlock(ctx);
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@ -7614,10 +7608,9 @@ static void io_rsrc_node_ref_zero(struct percpu_ref *ref)
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queue_delayed_work(system_wq, &ctx->rsrc_put_work, delay);
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}
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static struct fixed_rsrc_ref_node *alloc_fixed_rsrc_ref_node(
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struct io_ring_ctx *ctx)
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static struct io_rsrc_node *io_rsrc_node_alloc(struct io_ring_ctx *ctx)
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{
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struct fixed_rsrc_ref_node *ref_node;
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struct io_rsrc_node *ref_node;
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ref_node = kzalloc(sizeof(*ref_node), GFP_KERNEL);
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if (!ref_node)
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@ -7635,19 +7628,18 @@ static struct fixed_rsrc_ref_node *alloc_fixed_rsrc_ref_node(
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}
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static void init_fixed_file_ref_node(struct io_ring_ctx *ctx,
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struct fixed_rsrc_ref_node *ref_node)
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struct io_rsrc_node *ref_node)
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{
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ref_node->rsrc_data = ctx->file_data;
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ref_node->rsrc_put = io_ring_file_put;
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}
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static void destroy_fixed_rsrc_ref_node(struct fixed_rsrc_ref_node *ref_node)
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static void io_rsrc_node_destroy(struct io_rsrc_node *ref_node)
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{
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percpu_ref_exit(&ref_node->refs);
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kfree(ref_node);
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}
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static int io_sqe_files_register(struct io_ring_ctx *ctx, void __user *arg,
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unsigned nr_args)
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{
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@ -7655,8 +7647,8 @@ static int io_sqe_files_register(struct io_ring_ctx *ctx, void __user *arg,
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unsigned nr_tables, i;
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struct file *file;
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int fd, ret = -ENOMEM;
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struct fixed_rsrc_ref_node *ref_node;
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struct fixed_rsrc_data *file_data;
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struct io_rsrc_node *ref_node;
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struct io_rsrc_data *file_data;
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if (ctx->file_data)
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return -EBUSY;
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@ -7665,7 +7657,7 @@ static int io_sqe_files_register(struct io_ring_ctx *ctx, void __user *arg,
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if (nr_args > IORING_MAX_FIXED_FILES)
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return -EMFILE;
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file_data = alloc_fixed_rsrc_data(ctx);
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file_data = io_rsrc_data_alloc(ctx);
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if (!file_data)
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return -ENOMEM;
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ctx->file_data = file_data;
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@ -7722,14 +7714,14 @@ static int io_sqe_files_register(struct io_ring_ctx *ctx, void __user *arg,
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return ret;
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}
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ref_node = alloc_fixed_rsrc_ref_node(ctx);
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ref_node = io_rsrc_node_alloc(ctx);
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if (!ref_node) {
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io_sqe_files_unregister(ctx);
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return -ENOMEM;
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}
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init_fixed_file_ref_node(ctx, ref_node);
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io_sqe_rsrc_set_node(ctx, file_data, ref_node);
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io_rsrc_node_set(ctx, file_data, ref_node);
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return ret;
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out_fput:
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for (i = 0; i < ctx->nr_user_files; i++) {
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@ -7741,7 +7733,7 @@ out_fput:
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kfree(file_data->table[i].files);
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ctx->nr_user_files = 0;
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out_free:
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free_fixed_rsrc_data(ctx->file_data);
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io_rsrc_data_free(ctx->file_data);
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ctx->file_data = NULL;
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return ret;
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}
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||||
|
|
@ -7789,10 +7781,10 @@ static int io_sqe_file_register(struct io_ring_ctx *ctx, struct file *file,
|
|||
#endif
|
||||
}
|
||||
|
||||
static int io_queue_rsrc_removal(struct fixed_rsrc_data *data, void *rsrc)
|
||||
static int io_queue_rsrc_removal(struct io_rsrc_data *data, void *rsrc)
|
||||
{
|
||||
struct io_rsrc_put *prsrc;
|
||||
struct fixed_rsrc_ref_node *ref_node = data->node;
|
||||
struct io_rsrc_node *ref_node = data->node;
|
||||
|
||||
prsrc = kzalloc(sizeof(*prsrc), GFP_KERNEL);
|
||||
if (!prsrc)
|
||||
|
|
@ -7804,7 +7796,7 @@ static int io_queue_rsrc_removal(struct fixed_rsrc_data *data, void *rsrc)
|
|||
return 0;
|
||||
}
|
||||
|
||||
static inline int io_queue_file_removal(struct fixed_rsrc_data *data,
|
||||
static inline int io_queue_file_removal(struct io_rsrc_data *data,
|
||||
struct file *file)
|
||||
{
|
||||
return io_queue_rsrc_removal(data, (void *)file);
|
||||
|
|
@ -7814,8 +7806,8 @@ static int __io_sqe_files_update(struct io_ring_ctx *ctx,
|
|||
struct io_uring_rsrc_update *up,
|
||||
unsigned nr_args)
|
||||
{
|
||||
struct fixed_rsrc_data *data = ctx->file_data;
|
||||
struct fixed_rsrc_ref_node *ref_node;
|
||||
struct io_rsrc_data *data = ctx->file_data;
|
||||
struct io_rsrc_node *ref_node;
|
||||
struct file *file, **file_slot;
|
||||
__s32 __user *fds;
|
||||
int fd, i, err;
|
||||
|
|
@ -7826,7 +7818,7 @@ static int __io_sqe_files_update(struct io_ring_ctx *ctx,
|
|||
return -EOVERFLOW;
|
||||
if (done > ctx->nr_user_files)
|
||||
return -EINVAL;
|
||||
err = io_rsrc_refnode_prealloc(ctx);
|
||||
err = io_rsrc_node_prealloc(ctx);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
|
|
@ -7882,8 +7874,8 @@ static int __io_sqe_files_update(struct io_ring_ctx *ctx,
|
|||
|
||||
if (needs_switch) {
|
||||
percpu_ref_kill(&data->node->refs);
|
||||
ref_node = io_rsrc_refnode_get(ctx, data, io_ring_file_put);
|
||||
io_sqe_rsrc_set_node(ctx, data, ref_node);
|
||||
ref_node = io_rsrc_node_get(ctx, data, io_ring_file_put);
|
||||
io_rsrc_node_set(ctx, data, ref_node);
|
||||
}
|
||||
return done ? done : err;
|
||||
}
|
||||
|
|
@ -8559,7 +8551,7 @@ static void io_ring_ctx_free(struct io_ring_ctx *ctx)
|
|||
io_destroy_buffers(ctx);
|
||||
|
||||
if (ctx->rsrc_backup_node)
|
||||
destroy_fixed_rsrc_ref_node(ctx->rsrc_backup_node);
|
||||
io_rsrc_node_destroy(ctx->rsrc_backup_node);
|
||||
|
||||
#if defined(CONFIG_UNIX)
|
||||
if (ctx->ring_sock) {
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user