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https://github.com/torvalds/linux
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f15ed8b4d0
Move the related code from io_uring.c into memmap.c. No functional changes in this patch, just cleaning it up a bit now that the full transition is done. Signed-off-by: Jens Axboe <axboe@kernel.dk>
26 lines
921 B
C
26 lines
921 B
C
#ifndef IO_URING_MEMMAP_H
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#define IO_URING_MEMMAP_H
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struct page **io_pin_pages(unsigned long ubuf, unsigned long len, int *npages);
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void io_pages_free(struct page ***pages, int npages);
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int io_uring_mmap_pages(struct io_ring_ctx *ctx, struct vm_area_struct *vma,
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struct page **pages, int npages);
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void *io_pages_map(struct page ***out_pages, unsigned short *npages,
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size_t size);
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void io_pages_unmap(void *ptr, struct page ***pages, unsigned short *npages,
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bool put_pages);
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void *__io_uaddr_map(struct page ***pages, unsigned short *npages,
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unsigned long uaddr, size_t size);
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#ifndef CONFIG_MMU
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unsigned int io_uring_nommu_mmap_capabilities(struct file *file);
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#endif
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unsigned long io_uring_get_unmapped_area(struct file *file, unsigned long addr,
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unsigned long len, unsigned long pgoff,
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unsigned long flags);
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int io_uring_mmap(struct file *file, struct vm_area_struct *vma);
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#endif
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