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Subject[PATCH 37/52] vfs: export filemap_fdatawrite_range()
Date
From: Jan Kara <jack@suse.cz>

Make filemap_fdatawrite_range() function public, so that it can later
be used in ordered mode rewrite by JBD/JBD2.

Signed-off-by: Jan Kara <jack@suse.cz>
---
include/linux/fs.h | 2 ++
mm/filemap.c | 3 ++-
2 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/include/linux/fs.h b/include/linux/fs.h
index d490779..d06f8e2 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1741,6 +1741,8 @@ extern int wait_on_page_writeback_range(struct address_space *mapping,
pgoff_t start, pgoff_t end);
extern int __filemap_fdatawrite_range(struct address_space *mapping,
loff_t start, loff_t end, int sync_mode);
+extern int filemap_fdatawrite_range(struct address_space *mapping,
+ loff_t start, loff_t end);

extern long do_fsync(struct file *file, int datasync);
extern void sync_supers(void);
diff --git a/mm/filemap.c b/mm/filemap.c
index 1e6a7d3..65d9d9e 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -236,11 +236,12 @@ int filemap_fdatawrite(struct address_space *mapping)
}
EXPORT_SYMBOL(filemap_fdatawrite);

-static int filemap_fdatawrite_range(struct address_space *mapping, loff_t start,
+int filemap_fdatawrite_range(struct address_space *mapping, loff_t start,
loff_t end)
{
return __filemap_fdatawrite_range(mapping, start, end, WB_SYNC_ALL);
}
+EXPORT_SYMBOL(filemap_fdatawrite_range);

/**
* filemap_flush - mostly a non-blocking flush
--
1.5.6.rc3.1.g36b7.dirty


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