mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-18 00:24:58 +08:00
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>
This commit is contained in:
parent
697f4d68cf
commit
4b49bb8ad6
@ -9,44 +9,22 @@
|
||||
|
||||
#include <linux/atomic.h>
|
||||
|
||||
#define AIO_MAXSEGS 4
|
||||
#define AIO_KIOGRP_NR_ATOMIC 8
|
||||
|
||||
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)
|
||||
|
||||
/* 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_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 kiocbSetLocked(iocb) set_bit(KIF_LOCKED, &(iocb)->ki_flags)
|
||||
#define kiocbSetKicked(iocb) set_bit(KIF_KICKED, &(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 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 kiocbIsCancelled(iocb) test_bit(KIF_CANCELLED, &(iocb)->ki_flags)
|
||||
|
||||
@ -207,8 +185,6 @@ struct kioctx {
|
||||
};
|
||||
|
||||
/* prototypes */
|
||||
extern unsigned aio_max_size;
|
||||
|
||||
#ifdef CONFIG_AIO
|
||||
extern ssize_t wait_on_sync_kiocb(struct kiocb *iocb);
|
||||
extern int aio_put_req(struct kiocb *iocb);
|
||||
|
Loading…
Reference in New Issue
Block a user