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authorZach Brown <zab@redhat.com>2013-05-07 16:18:27 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-05-07 18:38:28 -0700
commit162934de51e0271f6e2955075735656ea5092ea9 (patch)
tree7a843e340e0241f66acb83e906ee6ee6152b1355 /fs/aio.c
parent41003a7bcfed1255032e1e7c7b487e505b22e298 (diff)
char: add aio_{read,write} to /dev/{null,zero}
These are handy for measuring the cost of the aio infrastructure with operations that do very little and complete immediately. 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> Acked-by: Jeff Moyer <jmoyer@redhat.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Benjamin LaHaise <bcrl@kvack.org> Reviewed-by: "Theodore Ts'o" <tytso@mit.edu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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