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aio: Kill aio_rw_vect_retry()

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This code doesn't serve any purpose anymore, since the aio retry
infrastructure has been removed.

This change should be safe because aio_read/write are also used for
synchronous IO, and called from do_sync_read()/do_sync_write() - and
there's no looping done in the sync case (the read and write syscalls).

Signed-off-by: Kent Overstreet <koverstreet@google.com>
Cc: Zach Brown <zab@redhat.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>
Signed-off-by: Benjamin LaHaise <bcrl@kvack.org>
This commit is contained in:
Kent Overstreet 2013-05-09 15:03:42 -07:00 • committed by Benjamin LaHaise
parent 5ffac122db
commit 73a7075e3f
11 changed files with 28 additions and 90 deletions
Download patch file Download diff file Expand all files Collapse all files

2
fs/block_dev.c
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@ -1542,7 +1542,7 @@ static ssize_t blkdev_aio_read(struct kiocb *iocb, const struct iovec *iov,
return 0;
size -= pos;
if (size < iocb->ki_left)
if (size < iocb->ki_nbytes)
nr_segs = iov_shorten((struct iovec *)iov, nr_segs, size);
return generic_file_aio_read(iocb, iov, nr_segs, pos);
}