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authorJens Axboe <axboe@kernel.dk>2020-02-08 19:16:39 -0700
committerJens Axboe <axboe@kernel.dk>2020-02-09 09:55:38 -0700
commit36282881a795cbf717aca79392ae9cdf0fef59c9 (patch)
tree246026127aff05485eccefbe84def6e58f1174ba /fs/io-wq.h
parent00bcda13dcbf6bf7fa6f2a5886dd555362de8cfa (diff)
downloadlinux-sh-36282881a795cbf717aca79392ae9cdf0fef59c9.tar.gz
io-wq: add io_wq_cancel_pid() to cancel based on a specific pid
Add a helper that allows the caller to cancel work based on what mm it belongs to. This allows io_uring to cancel work from a given task or thread when it exits. Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/io-wq.h')
-rw-r--r--fs/io-wq.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/io-wq.h b/fs/io-wq.h
index f152ba677d8f..ccc7d84af57d 100644
--- a/fs/io-wq.h
+++ b/fs/io-wq.h
@@ -76,6 +76,7 @@ struct io_wq_work {
const struct cred *creds;
struct fs_struct *fs;
unsigned flags;
+ pid_t task_pid;
};
#define INIT_IO_WORK(work, _func) \
@@ -109,6 +110,7 @@ void io_wq_flush(struct io_wq *wq);
void io_wq_cancel_all(struct io_wq *wq);
enum io_wq_cancel io_wq_cancel_work(struct io_wq *wq, struct io_wq_work *cwork);
+enum io_wq_cancel io_wq_cancel_pid(struct io_wq *wq, pid_t pid);
typedef bool (work_cancel_fn)(struct io_wq_work *, void *);