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Commit 8c91189a authored by Miklos Szeredi's avatar Miklos Szeredi
Browse files

fuse: abort: group iqueue accesses 



Rearrange fuse_abort_conn() so that input queue accesses are grouped
together.

Signed-off-by: default avatarMiklos Szeredi <mszeredi@suse.cz>
Reviewed-by: default avatarAshish Samant <ashish.samant@oracle.com>
parent e16714d8

fs/fuse/dev.c

+7 −5
Original line number Diff line number Diff line
@@ -2127,7 +2127,6 @@ void fuse_abort_conn(struct fuse_conn *fc) 
		LIST_HEAD(to_end2);



		fc->connected = 0;

		fiq->connected = 0;

		fc->blocked = 0;

		fuse_set_initialized(fc);

		list_for_each_entry_safe(req, next, &fc->io, list) {
@@ -2140,7 +2139,14 @@ void fuse_abort_conn(struct fuse_conn *fc) 
		}

		fc->max_background = UINT_MAX;

		flush_bg_queue(fc);



		fiq->connected = 0;

		list_splice_init(&fiq->pending, &to_end2);

		while (forget_pending(fiq))

			kfree(dequeue_forget(fiq, 1, NULL));

		wake_up_all(&fiq->waitq);

		kill_fasync(&fiq->fasync, SIGIO, POLL_IN);



		list_splice_init(&fc->processing, &to_end2);

		while (!list_empty(&to_end1)) {

			req = list_first_entry(&to_end1, struct fuse_req, list);
@@ -2149,12 +2155,8 @@ void fuse_abort_conn(struct fuse_conn *fc) 
			spin_lock(&fc->lock);

		}

		end_requests(fc, &to_end2);

		while (forget_pending(fiq))

			kfree(dequeue_forget(fiq, 1, NULL));

		end_polls(fc);

		wake_up_all(&fiq->waitq);

		wake_up_all(&fc->blocked_waitq);

		kill_fasync(&fiq->fasync, SIGIO, POLL_IN);

	}

	spin_unlock(&fc->lock);

}