io_uring: correct __must_hold annotation in io_install_fixed_file

The __must_hold annotation references &req->ctx->uring_lock, but req
is not in scope in io_install_fixed_file. This change updates the
annotation to reference the correct ctx->uring_lock.
improving code clarity.

Fixes: f110ed8 ("io_uring: split out fixed file installation and removal")
Signed-off-by: Alok Tiwari <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>

Author: aloktiwa

io_uring/filetable.c

@@ -57,7 +57,7 @@ void io_free_file_tables(struct io_ring_ctx *ctx, struct io_file_table *table)
 
 static int io_install_fixed_file(struct io_ring_ctx *ctx, struct file *file,
 				 u32 slot_index)
-	__must_hold(&req->ctx->uring_lock)
+	__must_hold(&ctx->uring_lock)
 {
 	struct io_rsrc_node *node;