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-rw-r--r--drivers/md/raid5.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h
index ebb89bda88f1..c0687df5ba06 100644
--- a/drivers/md/raid5.h
+++ b/drivers/md/raid5.h
@@ -792,4 +792,5 @@ extern void r5c_check_stripe_cache_usage(struct r5conf *conf);
extern void r5c_check_cached_full_stripe(struct r5conf *conf);
extern struct md_sysfs_entry r5c_journal_mode;
extern void r5c_update_on_rdev_error(struct mddev *mddev);
+extern bool r5c_big_stripe_cached(struct r5conf *conf, sector_t sect);
#endif