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| author | Pavel Begunkov <asml.silence@gmail.com> | 2023-04-04 14:39:54 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2023-04-04 17:30:39 +0200 |
| commit | 9eae8655f9cd2eeed99fb7a0d2bb22816c17e497 (patch) | |
| tree | 9839eb9739e972da6b62d363843f1fa95e48ea4b /io_uring/rsrc.h | |
| parent | io_uring/rsrc: don't offload node free (diff) | |
| download | linux-9eae8655f9cd2eeed99fb7a0d2bb22816c17e497.tar.xz linux-9eae8655f9cd2eeed99fb7a0d2bb22816c17e497.zip | |
io_uring/rsrc: cache struct io_rsrc_node
Add allocation cache for struct io_rsrc_node, it's always allocated and
put under ->uring_lock, so it doesn't need any extra synchronisation
around caches.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/252a9d9ef9654e6467af30fdc02f57c0118fb76e.1680576071.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to '')
| -rw-r--r-- | io_uring/rsrc.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/io_uring/rsrc.h b/io_uring/rsrc.h index 11703082d125..3b9f4c57c47c 100644 --- a/io_uring/rsrc.h +++ b/io_uring/rsrc.h @@ -4,6 +4,8 @@ #include <net/af_unix.h> +#include "alloc_cache.h" + #define IO_RSRC_TAG_TABLE_SHIFT (PAGE_SHIFT - 3) #define IO_RSRC_TAG_TABLE_MAX (1U << IO_RSRC_TAG_TABLE_SHIFT) #define IO_RSRC_TAG_TABLE_MASK (IO_RSRC_TAG_TABLE_MAX - 1) @@ -37,8 +39,11 @@ struct io_rsrc_data { }; struct io_rsrc_node { + union { + struct io_cache_entry cache; + struct io_rsrc_data *rsrc_data; + }; struct list_head node; - struct io_rsrc_data *rsrc_data; struct llist_node llist; int refs; bool done; @@ -65,7 +70,7 @@ void io_rsrc_put_tw(struct callback_head *cb); void io_rsrc_node_ref_zero(struct io_rsrc_node *node); void io_rsrc_put_work(struct work_struct *work); void io_wait_rsrc_data(struct io_rsrc_data *data); -void io_rsrc_node_destroy(struct io_rsrc_node *ref_node); +void io_rsrc_node_destroy(struct io_ring_ctx *ctx, struct io_rsrc_node *ref_node); int io_rsrc_node_switch_start(struct io_ring_ctx *ctx); int io_queue_rsrc_removal(struct io_rsrc_data *data, unsigned idx, struct io_rsrc_node *node, void *rsrc); |