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vfs: export filemap_fdatawrite_range() 

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>
This commit is contained in:
Jan Kara 2008-07-11 19:27:31 -04:00 committed by Theodore Ts'o
parent 9ddfc3dc75
commit f4c0a0fdfa
2 changed files with 4 additions and 1 deletions
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2
include/linux/fs.h
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@ -1740,6 +1740,8 @@ 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);

3
mm/filemap.c
View File

@ -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