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-rw-r--r--include/linux/fs.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 02a9fb5a830..d63461f9798 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1722,6 +1722,7 @@ extern int fs_may_remount_ro(struct super_block *);
*/
#define bio_data_dir(bio) ((bio)->bi_rw & 1)
+extern int revalidate_disk(struct gendisk *);
extern int check_disk_change(struct block_device *);
extern int __invalidate_device(struct block_device *);
extern int invalidate_partition(struct gendisk *, int);