36 lines
1018 B
C
36 lines
1018 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _IOMAP_INTERNAL_H
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#define _IOMAP_INTERNAL_H 1
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#define IOEND_BATCH_SIZE 4096
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/*
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* Normally we can build bios as big as the data structure supports.
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*
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* But for integrity protected I/O we need to respect the maximum size of the
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* single contiguous allocation for the integrity buffer.
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*/
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static inline size_t iomap_max_bio_size(const struct iomap *iomap)
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{
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if (iomap->flags & IOMAP_F_INTEGRITY)
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return max_integrity_io_size(bdev_limits(iomap->bdev));
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return BIO_MAX_SIZE;
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}
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u32 iomap_finish_ioend_buffered_read(struct iomap_ioend *ioend);
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u32 iomap_finish_ioend_direct(struct iomap_ioend *ioend);
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#ifdef CONFIG_BLOCK
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int iomap_bio_read_folio_range_sync(const struct iomap_iter *iter,
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struct folio *folio, loff_t pos, size_t len);
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#else
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static inline int iomap_bio_read_folio_range_sync(const struct iomap_iter *iter,
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struct folio *folio, loff_t pos, size_t len)
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{
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WARN_ON_ONCE(1);
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return -EIO;
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}
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#endif /* CONFIG_BLOCK */
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#endif /* _IOMAP_INTERNAL_H */
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