Commit 55ea9683 authored by Jens Axboe's avatar Jens Axboe
Browse files

io_uring/kbuf: kill dead struct io_buffer_list 'nr_entries' member



This is only ever assigned, never used. The only used part is the
calculated mask, which is used for indexing. Kill 'nr_entries'.

Reviewed-by: default avatarGabriel Krisman Bertazi <krisman@suse.de>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 254f4963
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Original line number Diff line number Diff line
@@ -680,7 +680,6 @@ int io_register_pbuf_ring(struct io_ring_ctx *ctx, void __user *arg)
	}
#endif

	bl->nr_entries = reg.ring_entries;
	bl->mask = reg.ring_entries - 1;
	bl->flags |= IOBL_BUF_RING;
	bl->buf_ring = br;
+0 −1
Original line number Diff line number Diff line
@@ -27,7 +27,6 @@ struct io_buffer_list {
	__u16 bgid;

	/* below is for ring provided buffers */
	__u16 nr_entries;
	__u16 head;
	__u16 mask;