From: Yang Erkun yangerkun@huawei.com
hulk inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I9DN5Z CVE: NA
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This two functions will use with latter patch, export it.
Signed-off-by: Yang Erkun yangerkun@huawei.com --- fs/iomap/buffered-io.c | 6 ++++-- include/linux/iomap.h | 4 ++++ 2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c index fee0bb9b5d75..dbd56c36ce2b 100644 --- a/fs/iomap/buffered-io.c +++ b/fs/iomap/buffered-io.c @@ -665,7 +665,7 @@ static int iomap_read_folio_sync(loff_t block_start, struct folio *folio, return submit_bio_wait(&bio); }
-static int __iomap_write_begin(const struct iomap_iter *iter, loff_t pos, +int __iomap_write_begin(const struct iomap_iter *iter, loff_t pos, size_t len, struct folio *folio) { const struct iomap *srcmap = iomap_iter_srcmap(iter); @@ -727,6 +727,7 @@ static int __iomap_write_begin(const struct iomap_iter *iter, loff_t pos,
return 0; } +EXPORT_SYMBOL_GPL(__iomap_write_begin);
static struct folio *__iomap_get_folio(struct iomap_iter *iter, loff_t pos, size_t len) @@ -825,7 +826,7 @@ static int iomap_write_begin(struct iomap_iter *iter, loff_t pos, return status; }
-static bool __iomap_write_end(struct inode *inode, loff_t pos, size_t len, +bool __iomap_write_end(struct inode *inode, loff_t pos, size_t len, size_t copied, struct folio *folio) { flush_dcache_folio(folio); @@ -848,6 +849,7 @@ static bool __iomap_write_end(struct inode *inode, loff_t pos, size_t len, filemap_dirty_folio(inode->i_mapping, folio); return true; } +EXPORT_SYMBOL_GPL(__iomap_write_end);
static void iomap_write_end_inline(const struct iomap_iter *iter, struct folio *folio, loff_t pos, size_t copied) diff --git a/include/linux/iomap.h b/include/linux/iomap.h index 6fc1c858013d..daf0a86ba377 100644 --- a/include/linux/iomap.h +++ b/include/linux/iomap.h @@ -258,6 +258,10 @@ static inline const struct iomap *iomap_iter_srcmap(const struct iomap_iter *i)
ssize_t iomap_file_buffered_write(struct kiocb *iocb, struct iov_iter *from, const struct iomap_ops *ops); +int __iomap_write_begin(const struct iomap_iter *iter, loff_t pos, + size_t len, struct folio *folio); +bool __iomap_write_end(struct inode *inode, loff_t pos, size_t len, + size_t copied, struct folio *folio); int iomap_file_buffered_write_punch_delalloc(struct inode *inode, struct iomap *iomap, loff_t pos, loff_t length, ssize_t written, int (*punch)(struct inode *inode, loff_t pos, loff_t length));