From: Christoph Hellwig Date: Thu, 10 Jul 2025 13:33:34 +0000 (+0200) Subject: iomap: export iomap_writeback_folio X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8b217cf779cba2b10112f6845dcbbb7e6f4b3d75;p=thirdparty%2Fkernel%2Fstable.git iomap: export iomap_writeback_folio Allow fuse to use iomap_writeback_folio for folio laundering. Note that the caller needs to manually submit the pending writeback context. Signed-off-by: Christoph Hellwig Link: https://lore.kernel.org/20250710133343.399917-11-hch@lst.de Reviewed-by: Joanne Koong Reviewed-by: Darrick J. Wong Signed-off-by: Christian Brauner --- diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c index ca45a6d1cb684..b4b398e8bd546 100644 --- a/fs/iomap/buffered-io.c +++ b/fs/iomap/buffered-io.c @@ -1634,8 +1634,7 @@ static bool iomap_writeback_handle_eof(struct folio *folio, struct inode *inode, return true; } -static int iomap_writeback_folio(struct iomap_writepage_ctx *wpc, - struct folio *folio) +int iomap_writeback_folio(struct iomap_writepage_ctx *wpc, struct folio *folio) { struct iomap_folio_state *ifs = folio->private; struct inode *inode = wpc->inode; @@ -1717,6 +1716,7 @@ static int iomap_writeback_folio(struct iomap_writepage_ctx *wpc, mapping_set_error(inode->i_mapping, error); return error; } +EXPORT_SYMBOL_GPL(iomap_writeback_folio); int iomap_writepages(struct iomap_writepage_ctx *wpc) diff --git a/include/linux/iomap.h b/include/linux/iomap.h index cbf9d299a6168..b65d3f063bb07 100644 --- a/include/linux/iomap.h +++ b/include/linux/iomap.h @@ -466,6 +466,7 @@ void iomap_start_folio_write(struct inode *inode, struct folio *folio, void iomap_finish_folio_write(struct inode *inode, struct folio *folio, size_t len); +int iomap_writeback_folio(struct iomap_writepage_ctx *wpc, struct folio *folio); int iomap_writepages(struct iomap_writepage_ctx *wpc); /*