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aio: remove dead code from aio.h
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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@ -9,44 +9,22 @@
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#include <linux/atomic.h>
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#define AIO_MAXSEGS 4
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#define AIO_KIOGRP_NR_ATOMIC 8
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struct kioctx;
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/* Notes on cancelling a kiocb:
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* If a kiocb is cancelled, aio_complete may return 0 to indicate
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* that cancel has not yet disposed of the kiocb. All cancel
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* operations *must* call aio_put_req to dispose of the kiocb
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* to guard against races with the completion code.
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*/
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#define KIOCB_C_CANCELLED 0x01
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#define KIOCB_C_COMPLETE 0x02
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#define KIOCB_SYNC_KEY (~0U)
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/* ki_flags bits */
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/*
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* This may be used for cancel/retry serialization in the future, but
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* for now it's unused and we probably don't want modules to even
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* think they can use it.
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*/
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/* #define KIF_LOCKED 0 */
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#define KIF_KICKED 1
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#define KIF_CANCELLED 2
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#define kiocbTryLock(iocb) test_and_set_bit(KIF_LOCKED, &(iocb)->ki_flags)
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#define kiocbTryKick(iocb) test_and_set_bit(KIF_KICKED, &(iocb)->ki_flags)
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#define kiocbSetLocked(iocb) set_bit(KIF_LOCKED, &(iocb)->ki_flags)
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#define kiocbSetKicked(iocb) set_bit(KIF_KICKED, &(iocb)->ki_flags)
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#define kiocbSetCancelled(iocb) set_bit(KIF_CANCELLED, &(iocb)->ki_flags)
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#define kiocbClearLocked(iocb) clear_bit(KIF_LOCKED, &(iocb)->ki_flags)
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#define kiocbClearKicked(iocb) clear_bit(KIF_KICKED, &(iocb)->ki_flags)
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#define kiocbClearCancelled(iocb) clear_bit(KIF_CANCELLED, &(iocb)->ki_flags)
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#define kiocbIsLocked(iocb) test_bit(KIF_LOCKED, &(iocb)->ki_flags)
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#define kiocbIsKicked(iocb) test_bit(KIF_KICKED, &(iocb)->ki_flags)
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#define kiocbIsCancelled(iocb) test_bit(KIF_CANCELLED, &(iocb)->ki_flags)
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@ -207,8 +185,6 @@ struct kioctx {
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};
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/* prototypes */
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extern unsigned aio_max_size;
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#ifdef CONFIG_AIO
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extern ssize_t wait_on_sync_kiocb(struct kiocb *iocb);
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extern int aio_put_req(struct kiocb *iocb);
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