From: Pavel Begunkov <[email protected]>
To: Jens Axboe <[email protected]>, [email protected]
Subject: [PATCH 2/4] io_uring: inline io_uring_attempt_task_drop()
Date: Fri, 8 Jan 2021 20:57:23 +0000 [thread overview]
Message-ID: <245e6f164ee95b43a2885bd6d8bc639a4ef72397.1610139268.git.asml.silence@gmail.com> (raw)
In-Reply-To: <[email protected]>
A simple preparation change inlining io_uring_attempt_task_drop() into
io_uring_flush().
Signed-off-by: Pavel Begunkov <[email protected]>
---
fs/io_uring.c | 29 +++++++++++------------------
1 file changed, 11 insertions(+), 18 deletions(-)
diff --git a/fs/io_uring.c b/fs/io_uring.c
index 55ba1922a349..1c931e7a3948 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -8964,23 +8964,6 @@ static void io_uring_del_task_file(struct file *file)
fput(file);
}
-/*
- * Drop task note for this file if we're the only ones that hold it after
- * pending fput()
- */
-static void io_uring_attempt_task_drop(struct file *file)
-{
- if (!current->io_uring)
- return;
- /*
- * fput() is pending, will be 2 if the only other ref is our potential
- * task file note. If the task is exiting, drop regardless of count.
- */
- if (fatal_signal_pending(current) || (current->flags & PF_EXITING) ||
- atomic_long_read(&file->f_count) == 2)
- io_uring_del_task_file(file);
-}
-
static void io_uring_remove_task_files(struct io_uring_task *tctx)
{
struct file *file;
@@ -9072,7 +9055,17 @@ void __io_uring_task_cancel(void)
static int io_uring_flush(struct file *file, void *data)
{
- io_uring_attempt_task_drop(file);
+ if (!current->io_uring)
+ return 0;
+
+ /*
+ * fput() is pending, will be 2 if the only other ref is our potential
+ * task file note. If the task is exiting, drop regardless of count.
+ */
+ if (fatal_signal_pending(current) || (current->flags & PF_EXITING) ||
+ atomic_long_read(&file->f_count) == 2)
+ io_uring_del_task_file(file);
+
return 0;
}
--
2.24.0
next prev parent reply other threads:[~2021-01-08 21:02 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-08 20:57 [PATCH 0/4] fix SQPOLL and exit races Pavel Begunkov
2021-01-08 20:57 ` [PATCH 1/4] io_uring: io_rw_reissue lockdep annotations Pavel Begunkov
2021-01-08 20:57 ` Pavel Begunkov [this message]
2021-01-08 20:57 ` [PATCH 3/4] io_uring: add warn_once for io_uring_flush() Pavel Begunkov
2021-01-08 20:57 ` [PATCH 4/4] io_uring: stop SQPOLL submit on creator's death Pavel Begunkov
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=245e6f164ee95b43a2885bd6d8bc639a4ef72397.1610139268.git.asml.silence@gmail.com \
[email protected] \
[email protected] \
[email protected] \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox