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| author |  Pavel Begunkov <asml.silence@gmail.com>
| 2022-07-12 21:52:41 +0100 |
|---|---|---|
| committer |  Jens Axboe <axboe@kernel.dk>
| 2022-07-24 18:41:06 -0600 |
| commit | 68ef5578efc8893489400b1ec30af66dab4f75ff (patch) | |
| tree | 0cf6fa21947d0b2d9ad10276df8fd892ca4ef9d6 /io_uring/notif.h | |
| parent | io_uring: complete notifiers in tw (diff) | |
| download | linux-68ef5578efc8893489400b1ec30af66dab4f75ff.tar.gz linux-68ef5578efc8893489400b1ec30af66dab4f75ff.tar.bz2 linux-68ef5578efc8893489400b1ec30af66dab4f75ff.zip | |
io_uring: add rsrc referencing for notifiers
In preparation to zerocopy sends with fixed buffers make notifiers to
reference the rsrc node to protect the used fixed buffers. We can't just
grab it for a send request as notifiers can likely outlive requests that
used it.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/3cd7a01d26837945b6982fa9cf15a63230f2ed4f.1657643355.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/notif.h')
| -rw-r--r-- | io_uring/notif.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/io_uring/notif.h b/io_uring/notif.h index 23ca7620fff9..1dd48efb7744 100644 --- a/io_uring/notif.h +++ b/io_uring/notif.h @@ -10,6 +10,7 @@ struct io_notif { struct ubuf_info uarg; struct io_ring_ctx *ctx; + struct io_rsrc_node *rsrc_node; /* complete via tw if ->task is non-NULL, fallback to wq otherwise */ struct task_struct *task; |