buffer: add get_nth_bh()

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Extract this useful helper from nilfs_page_get_nth_block()

Link: https://lkml.kernel.org/r/20231016201114.1928083-6-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Cc: Andreas Gruenbacher <agruenba@redhat.com>
Cc: Pankaj Raghav <p.raghav@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

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Matthew Wilcox (Oracle) 2023-10-16 21:10:52 +01:00 • committed by Andrew Morton

parent d405999367

commit 0217fbb027

2 changed files with 23 additions and 6 deletions

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7

fs/nilfs2/page.h

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22

include/linux/buffer_head.h

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