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From: Bijan Mottahedeh <[email protected]>
To: [email protected], [email protected], [email protected]
Subject: [PATCH v4 10/13] io_uring: generalize files_update functionlity to rsrc_update
Date: Wed,  6 Jan 2021 12:39:19 -0800	[thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>

Generalize files_update functionality to rsrc_update in order to
leverage it for buffers updates.

Signed-off-by: Bijan Mottahedeh <[email protected]>
---
 fs/io_uring.c                 | 19 ++++++++++++++-----
 include/uapi/linux/io_uring.h |  6 +++++-
 2 files changed, 19 insertions(+), 6 deletions(-)

diff --git a/fs/io_uring.c b/fs/io_uring.c
index fbff8480..b956029 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -5951,7 +5951,7 @@ static int io_async_cancel(struct io_kiocb *req)
 }
 
 static int io_rsrc_update_prep(struct io_kiocb *req,
-				const struct io_uring_sqe *sqe)
+			       const struct io_uring_sqe *sqe)
 {
 	if (unlikely(req->ctx->flags & IORING_SETUP_SQPOLL))
 		return -EINVAL;
@@ -5968,8 +5968,11 @@ static int io_rsrc_update_prep(struct io_kiocb *req,
 	return 0;
 }
 
-static int io_files_update(struct io_kiocb *req, bool force_nonblock,
-			   struct io_comp_state *cs)
+static int io_rsrc_update(struct io_kiocb *req, bool force_nonblock,
+			  struct io_comp_state *cs,
+			  int (*update)(struct io_ring_ctx *ctx,
+					struct io_uring_rsrc_update *up,
+					unsigned int nr_args))
 {
 	struct io_ring_ctx *ctx = req->ctx;
 	struct io_uring_rsrc_update up;
@@ -5979,10 +5982,10 @@ static int io_files_update(struct io_kiocb *req, bool force_nonblock,
 		return -EAGAIN;
 
 	up.offset = req->rsrc_update.offset;
-	up.fds = req->rsrc_update.arg;
+	up.rsrc = req->rsrc_update.arg;
 
 	mutex_lock(&ctx->uring_lock);
-	ret = __io_sqe_files_update(ctx, &up, req->rsrc_update.nr_args);
+	ret = (*update)(ctx, &up, req->rsrc_update.nr_args);
 	mutex_unlock(&ctx->uring_lock);
 
 	if (ret < 0)
@@ -5991,6 +5994,12 @@ static int io_files_update(struct io_kiocb *req, bool force_nonblock,
 	return 0;
 }
 
+static int io_files_update(struct io_kiocb *req, bool force_nonblock,
+			   struct io_comp_state *cs)
+{
+	return io_rsrc_update(req, force_nonblock, cs, __io_sqe_files_update);
+}
+
 static int io_req_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
 {
 	switch (req->opcode) {
diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h
index 77de7c0..f51190b 100644
--- a/include/uapi/linux/io_uring.h
+++ b/include/uapi/linux/io_uring.h
@@ -288,7 +288,11 @@ enum {
 struct io_uring_rsrc_update {
 	__u32 offset;
 	__u32 resv;
-	__aligned_u64 /* __s32 * */ fds;
+	union {
+		__aligned_u64 /* __s32 * */ fds;
+		__aligned_u64 /* __s32 * */ iovs;
+		__aligned_u64 /* __s32 * */ rsrc;
+	};
 };
 
 #define io_uring_files_update	io_uring_rsrc_update
-- 
1.8.3.1


  parent reply	other threads:[~2021-01-06 20:42 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-06 20:39 [PATCH v4 00/13] io_uring: buffer registration enhancements Bijan Mottahedeh
2021-01-06 20:39 ` [PATCH v4 01/13] io_uring: modularize io_sqe_buffer_register Bijan Mottahedeh
2021-01-06 20:39 ` [PATCH v4 02/13] io_uring: modularize io_sqe_buffers_register Bijan Mottahedeh
2021-01-06 20:39 ` [PATCH v4 03/13] io_uring: rename file related variables to rsrc Bijan Mottahedeh
2021-01-06 20:39 ` [PATCH v4 04/13] io_uring: generalize io_queue_rsrc_removal Bijan Mottahedeh
2021-01-06 20:39 ` [PATCH v4 05/13] io_uring: separate ref_list from fixed_rsrc_data Bijan Mottahedeh
2021-01-06 20:39 ` [PATCH v4 06/13] io_uring: split alloc_fixed_file_ref_node Bijan Mottahedeh
2021-01-06 20:39 ` [PATCH v4 07/13] io_uring: add rsrc_ref locking routines Bijan Mottahedeh
2021-01-06 20:39 ` [PATCH v4 08/13] io_uring: implement fixed buffers registration similar to fixed files Bijan Mottahedeh
2021-01-06 20:39 ` [PATCH v4 09/13] io_uring: create common fixed_rsrc_ref_node handling routines Bijan Mottahedeh
2021-01-08  1:57   ` Bijan Mottahedeh
2021-01-06 20:39 ` Bijan Mottahedeh [this message]
2021-01-06 20:39 ` [PATCH v4 11/13] io_uring: support buffer registration updates Bijan Mottahedeh
2021-01-06 20:39 ` [PATCH v4 12/13] io_uring: create common fixed_rsrc_data allocation routines Bijan Mottahedeh
2021-01-06 20:39 ` [PATCH v4 13/13] io_uring: support buffer registration sharing Bijan Mottahedeh
2021-01-07 15:53 ` [PATCH v4 00/13] io_uring: buffer registration enhancements Jens Axboe
2021-01-07 17:03   ` Bijan Mottahedeh

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