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Commit 9fa1cb39 authored by Al Viro's avatar Al Viro
Browse files

aio: aio_nr_lock is taken only synchronously now 



Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 2dd542b7

fs/aio.c

+3 −3
Original line number Diff line number Diff line
@@ -278,14 +278,14 @@ static struct kioctx *ioctx_alloc(unsigned nr_events) 
		goto out_freectx;



	/* limit the number of system wide aios */

	spin_lock_bh(&aio_nr_lock);

	spin_lock(&aio_nr_lock);

	if (aio_nr + nr_events > aio_max_nr ||

	    aio_nr + nr_events < aio_nr) {

		spin_unlock_bh(&aio_nr_lock);

		spin_unlock(&aio_nr_lock);

		goto out_cleanup;

	}

	aio_nr += ctx->max_reqs;

	spin_unlock_bh(&aio_nr_lock);

	spin_unlock(&aio_nr_lock);



	/* now link into global list. */

	spin_lock(&mm->ioctx_lock);