mm: migrate: remove folio_migrate_copy()
The folio_migrate_copy() is just a wrapper of folio_copy() and folio_migrate_flags(), it is simple and only aio use it for now, unfold it and remove folio_migrate_copy(). Link: https://lkml.kernel.org/r/20240626085328.608006-7-wangkefeng.wang@huawei.com Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Reviewed-by: Jane Chu <jane.chu@oracle.com> Cc: Alistair Popple <apopple@nvidia.com> Cc: Benjamin LaHaise <bcrl@kvack.org> Cc: David Hildenbrand <david@redhat.com> Cc: Hugh Dickins <hughd@google.com> Cc: Jérôme Glisse <jglisse@redhat.com> Cc: Jiaqi Yan <jiaqiyan@google.com> Cc: Lance Yang <ioworker0@gmail.com> Cc: Matthew Wilcox (Oracle) <willy@infradead.org> Cc: Miaohe Lin <linmiaohe@huawei.com> Cc: Muchun Song <muchun.song@linux.dev> Cc: Naoya Horiguchi <nao.horiguchi@gmail.com> Cc: Oscar Salvador <osalvador@suse.de> Cc: Tony Luck <tony.luck@intel.com> Cc: Vishal Moola (Oracle) <vishal.moola@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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3
fs/aio.c
3
fs/aio.c
@ -455,7 +455,8 @@ static int aio_migrate_folio(struct address_space *mapping, struct folio *dst,
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* events from being lost.
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*/
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spin_lock_irqsave(&ctx->completion_lock, flags);
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folio_migrate_copy(dst, src);
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folio_copy(dst, src);
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folio_migrate_flags(dst, src);
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BUG_ON(ctx->ring_folios[idx] != src);
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ctx->ring_folios[idx] = dst;
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spin_unlock_irqrestore(&ctx->completion_lock, flags);
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@ -76,7 +76,6 @@ int migrate_huge_page_move_mapping(struct address_space *mapping,
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void migration_entry_wait_on_locked(swp_entry_t entry, spinlock_t *ptl)
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__releases(ptl);
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void folio_migrate_flags(struct folio *newfolio, struct folio *folio);
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void folio_migrate_copy(struct folio *newfolio, struct folio *folio);
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int folio_migrate_mapping(struct address_space *mapping,
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struct folio *newfolio, struct folio *folio, int extra_count);
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@ -672,13 +672,6 @@ void folio_migrate_flags(struct folio *newfolio, struct folio *folio)
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}
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EXPORT_SYMBOL(folio_migrate_flags);
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void folio_migrate_copy(struct folio *newfolio, struct folio *folio)
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{
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folio_copy(newfolio, folio);
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folio_migrate_flags(newfolio, folio);
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}
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EXPORT_SYMBOL(folio_migrate_copy);
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/************************************************************
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* Migration functions
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***********************************************************/
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