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aio: remove dead code from aio.h

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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>
This commit is contained in:
Zach Brown 2013-05-07 16:18:21 -07:00 committed by Linus Torvalds
parent 697f4d68cf
commit 4b49bb8ad6
1 changed files with 0 additions and 24 deletions
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24
include/linux/aio.h
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@ -9,44 +9,22 @@
#include <linux/atomic.h> #include <linux/atomic.h>
#define AIO_MAXSEGS 4
#define AIO_KIOGRP_NR_ATOMIC 8
struct kioctx; struct kioctx;
/* Notes on cancelling a kiocb:
* If a kiocb is cancelled, aio_complete may return 0 to indicate
* that cancel has not yet disposed of the kiocb. All cancel
* operations *must* call aio_put_req to dispose of the kiocb
* to guard against races with the completion code.
*/
#define KIOCB_C_CANCELLED 0x01
#define KIOCB_C_COMPLETE 0x02
#define KIOCB_SYNC_KEY (~0U) #define KIOCB_SYNC_KEY (~0U)
/* ki_flags bits */ /* ki_flags bits */
/*
* This may be used for cancel/retry serialization in the future, but
* for now it's unused and we probably don't want modules to even
* think they can use it.
*/
/* #define KIF_LOCKED 0 */
#define KIF_KICKED 1 #define KIF_KICKED 1
#define KIF_CANCELLED 2 #define KIF_CANCELLED 2
#define kiocbTryLock(iocb) test_and_set_bit(KIF_LOCKED, &(iocb)->ki_flags)
#define kiocbTryKick(iocb) test_and_set_bit(KIF_KICKED, &(iocb)->ki_flags) #define kiocbTryKick(iocb) test_and_set_bit(KIF_KICKED, &(iocb)->ki_flags)
#define kiocbSetLocked(iocb) set_bit(KIF_LOCKED, &(iocb)->ki_flags)
#define kiocbSetKicked(iocb) set_bit(KIF_KICKED, &(iocb)->ki_flags) #define kiocbSetKicked(iocb) set_bit(KIF_KICKED, &(iocb)->ki_flags)
#define kiocbSetCancelled(iocb) set_bit(KIF_CANCELLED, &(iocb)->ki_flags) #define kiocbSetCancelled(iocb) set_bit(KIF_CANCELLED, &(iocb)->ki_flags)
#define kiocbClearLocked(iocb) clear_bit(KIF_LOCKED, &(iocb)->ki_flags)
#define kiocbClearKicked(iocb) clear_bit(KIF_KICKED, &(iocb)->ki_flags) #define kiocbClearKicked(iocb) clear_bit(KIF_KICKED, &(iocb)->ki_flags)
#define kiocbClearCancelled(iocb) clear_bit(KIF_CANCELLED, &(iocb)->ki_flags) #define kiocbClearCancelled(iocb) clear_bit(KIF_CANCELLED, &(iocb)->ki_flags)
#define kiocbIsLocked(iocb) test_bit(KIF_LOCKED, &(iocb)->ki_flags)
#define kiocbIsKicked(iocb) test_bit(KIF_KICKED, &(iocb)->ki_flags) #define kiocbIsKicked(iocb) test_bit(KIF_KICKED, &(iocb)->ki_flags)
#define kiocbIsCancelled(iocb) test_bit(KIF_CANCELLED, &(iocb)->ki_flags) #define kiocbIsCancelled(iocb) test_bit(KIF_CANCELLED, &(iocb)->ki_flags)
@ -207,8 +185,6 @@ struct kioctx {
}; };
/* prototypes */ /* prototypes */
extern unsigned aio_max_size;
#ifdef CONFIG_AIO #ifdef CONFIG_AIO
extern ssize_t wait_on_sync_kiocb(struct kiocb *iocb); extern ssize_t wait_on_sync_kiocb(struct kiocb *iocb);
extern int aio_put_req(struct kiocb *iocb); extern int aio_put_req(struct kiocb *iocb);