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See http://www.infradead.org/rpr.html X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: A15691C0017 X-Rspam-User: X-Stat-Signature: 3mu8t7m9rszfmikourbc7se54i7ua1w9 X-HE-Tag: 1778846435-162075 X-HE-Meta: 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 7komEPEh 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Provide a wrapper for the shmem abuses in drm to preparare for swap I/O refactoring by keepin swap_iocb handling entirely contained in mm/. Signed-off-by: Christoph Hellwig --- drivers/gpu/drm/i915/gem/i915_gem_shmem.c | 2 +- drivers/gpu/drm/ttm/ttm_backup.c | 2 +- include/linux/shmem_fs.h | 5 +---- mm/shmem.c | 7 ++++++- mm/swap.h | 4 ++++ 5 files changed, 13 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_shmem.c b/drivers/gpu/drm/i915/gem/i915_gem_shmem.c index 06543ae60706..ef9440166295 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_shmem.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_shmem.c @@ -325,7 +325,7 @@ void __shmem_writeback(size_t size, struct address_space *mapping) if (folio_mapped(folio)) folio_redirty_for_writepage(&wbc, folio); else - error = shmem_writeout(folio, NULL, NULL); + error = shmem_write_folio(folio); } } diff --git a/drivers/gpu/drm/ttm/ttm_backup.c b/drivers/gpu/drm/ttm/ttm_backup.c index 81df4cb5606b..c5b813a563e7 100644 --- a/drivers/gpu/drm/ttm/ttm_backup.c +++ b/drivers/gpu/drm/ttm/ttm_backup.c @@ -117,7 +117,7 @@ ttm_backup_backup_page(struct file *backup, struct page *page, if (writeback && !folio_mapped(to_folio) && folio_clear_dirty_for_io(to_folio)) { folio_set_reclaim(to_folio); - ret = shmem_writeout(to_folio, NULL, NULL); + ret = shmem_write_folio(to_folio); if (!folio_test_writeback(to_folio)) folio_clear_reclaim(to_folio); /* diff --git a/include/linux/shmem_fs.h b/include/linux/shmem_fs.h index 93a0ba872ebe..ab404effa879 100644 --- a/include/linux/shmem_fs.h +++ b/include/linux/shmem_fs.h @@ -12,8 +12,6 @@ #include #include -struct swap_iocb; - /* inode in-kernel data */ #ifdef CONFIG_TMPFS_QUOTA @@ -122,8 +120,7 @@ static inline bool shmem_mapping(const struct address_space *mapping) void shmem_unlock_mapping(struct address_space *mapping); struct page *shmem_read_mapping_page_gfp(struct address_space *mapping, pgoff_t index, gfp_t gfp_mask); -int shmem_writeout(struct folio *folio, struct swap_iocb **plug, - struct list_head *folio_list); +int shmem_write_folio(struct folio *folio); void shmem_truncate_range(struct inode *inode, loff_t start, uoff_t end); int shmem_unuse(unsigned int type); diff --git a/mm/shmem.c b/mm/shmem.c index 3b5dc21b323c..b8becbd4beaf 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -1738,7 +1738,12 @@ int shmem_writeout(struct folio *folio, struct swap_iocb **plug, folio_mark_dirty(folio); return AOP_WRITEPAGE_ACTIVATE; /* Return with folio locked */ } -EXPORT_SYMBOL_GPL(shmem_writeout); + +int shmem_write_folio(struct folio *folio) +{ + return shmem_writeout(folio, NULL, NULL); +} +EXPORT_SYMBOL_GPL(shmem_write_folio); #if defined(CONFIG_NUMA) && defined(CONFIG_TMPFS) static void shmem_show_mpol(struct seq_file *seq, struct mempolicy *mpol) diff --git a/mm/swap.h b/mm/swap.h index a77016f2423b..b6db72fb9879 100644 --- a/mm/swap.h +++ b/mm/swap.h @@ -499,4 +499,8 @@ static inline int non_swapcache_batch(swp_entry_t entry, int max_nr) return 0; } #endif /* CONFIG_SWAP */ + +int shmem_writeout(struct folio *folio, struct swap_iocb **plug, + struct list_head *folio_list); + #endif /* _MM_SWAP_H */ -- 2.53.0