forked from luck/tmp_suning_uos_patched
f3a2752a43
No need to pass the key field to lookup_iocb to compare it with KIOCB_KEY, as we can do that right after retrieving it from userspace. Also move the KIOCB_KEY definition to aio.c as it is an internal value not used by any other place in the kernel. Signed-off-by: Christoph Hellwig <hch@lst.de>
28 lines
651 B
C
28 lines
651 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __LINUX__AIO_H
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#define __LINUX__AIO_H
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#include <linux/aio_abi.h>
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struct kioctx;
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struct kiocb;
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struct mm_struct;
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typedef int (kiocb_cancel_fn)(struct kiocb *);
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/* prototypes */
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#ifdef CONFIG_AIO
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extern void exit_aio(struct mm_struct *mm);
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void kiocb_set_cancel_fn(struct kiocb *req, kiocb_cancel_fn *cancel);
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#else
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static inline void exit_aio(struct mm_struct *mm) { }
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static inline void kiocb_set_cancel_fn(struct kiocb *req,
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kiocb_cancel_fn *cancel) { }
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#endif /* CONFIG_AIO */
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/* for sysctl: */
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extern unsigned long aio_nr;
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extern unsigned long aio_max_nr;
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#endif /* __LINUX__AIO_H */
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