Re: [PATCH v3 09/16] iomap: export iomap_writeback_folio
From: "Darrick J. Wong" <djwong@kernel.org>
Date: 2025-07-02 17:44:08
Also in:
gfs2, linux-block, linux-fsdevel, linux-xfs
On Mon, Jun 23, 2025 at 07:21:28PM -0700, Joanne Koong wrote:
From: Christoph Hellwig <hch@lst.de> 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>
Seems reasonable to me... Reviewed-by: "Darrick J. Wong" <djwong@kernel.org> --D
quoted hunk ↗ jump to hunk
--- 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 2973fced2a52..d7fa885b1a0c 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_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;@@ -1721,6 +1720,7 @@ 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 bfd178fb7cfc..7e06b3a392f8 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_writepage_ctx *wpc, struct folio *folio); int iomap_writepages(struct iomap_writepage_ctx *wpc); /*-- 2.47.1