[PATCH 09/12] iomap: export iomap_writeback_folio
From: Christoph Hellwig <hch@lst.de>
Date: 2025-06-27 07:03:57
Also in:
gfs2, linux-block, linux-fsdevel, linux-xfs
Subsystem:
filesystems (vfs and infrastructure), filesystems [iomap], the rest · Maintainers:
Alexander Viro, Christian Brauner, Linus Torvalds
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 <hch@lst.de> Reviewed-by: Joanne Koong <joannelkoong@gmail.com> --- fs/iomap/buffered-io.c | 4 ++-- include/linux/iomap.h | 1 + 2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
index a1dccf4e7063..18ae896bcfcc 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c@@ -1638,8 +1638,7 @@ static bool iomap_writeback_handle_eof(struct folio *folio, struct inode *inode, return true; } -static int iomap_writeback_folio(struct iomap_writeback_ctx *wpc, - struct folio *folio) +int iomap_writeback_folio(struct iomap_writeback_ctx *wpc, struct folio *folio) { struct iomap_folio_state *ifs = folio->private; struct inode *inode = wpc->inode;
@@ -1721,6 +1720,7 @@ static int iomap_writeback_folio(struct iomap_writeback_ctx *wpc, mapping_set_error(inode->i_mapping, error); return error; } +EXPORT_SYMBOL_GPL(iomap_writeback_folio); int iomap_writepages(struct iomap_writeback_ctx *wpc)
diff --git a/include/linux/iomap.h b/include/linux/iomap.h
index 1a07d8fa9459..568a246f949b 100644
--- a/include/linux/iomap.h
+++ b/include/linux/iomap.h@@ -465,6 +465,7 @@ void iomap_start_folio_write(struct inode *inode, struct folio *folio, size_t len); void iomap_finish_folio_write(struct inode *inode, struct folio *folio, size_t len); +int iomap_writeback_folio(struct iomap_writeback_ctx *wpc, struct folio *folio); int iomap_writepages(struct iomap_writeback_ctx *wpc); /*
--
2.47.2