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SubjectRe: [PATCH 03/33] gadget: remove only user of aio retry
Date
Kent Overstreet <koverstreet@google.com> writes:

> From: Zach Brown <zab@redhat.com>
>
> This removes the only in-tree user of aio retry. This will let us remove
> the retry code from the aio core.
>
> Removing retry is relatively easy as the USB gadget wasn't using it to
> retry IOs at all. It always fully submitted the IO in the context of the
> initial io_submit() call. It only used the AIO retry facility to get the
> submitter's mm context for copying the result of a read back to user
> space. This is easy to implement with use_mm() and a work struct, much
> like kvm does with async_pf_execute() for get_user_pages().
>
> Signed-off-by: Zach Brown <zab@redhat.com>
> Signed-off-by: Kent Overstreet <koverstreet@google.com>
> Cc: Felipe Balbi <balbi@ti.com>
> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Cc: Mark Fasheh <mfasheh@suse.com>
> Cc: Joel Becker <jlbec@evilplan.org>
> Cc: Rusty Russell <rusty@rustcorp.com.au>
> Cc: Jens Axboe <axboe@kernel.dk>
> Cc: Asai Thambi S P <asamymuthupa@micron.com>
> Cc: Selvan Mani <smani@micron.com>
> Cc: Sam Bradshaw <sbradshaw@micron.com>
> Cc: Jeff Moyer <jmoyer@redhat.com>
> Cc: Al Viro <viro@zeniv.linux.org.uk>
> Cc: Benjamin LaHaise <bcrl@kvack.org>
> Cc: Theodore Ts'o <tytso@mit.edu>
> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

Acked-by: Jeff Moyer <jmoyer@redhat.com>


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