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-rw-r--r--mdadm.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/mdadm.h b/mdadm.h
index 4946d4e..410fc77 100644
--- a/mdadm.h
+++ b/mdadm.h
@@ -705,7 +705,8 @@ extern struct superswitch {
int (*load_super)(struct supertype *st, int fd, char *devname);
int (*load_container)(struct supertype *st, int fd, char *devname);
struct supertype * (*match_metadata_desc)(char *arg);
- __u64 (*avail_size)(struct supertype *st, __u64 size);
+ __u64 (*avail_size)(struct supertype *st, __u64 size,
+ long long data_offset);
unsigned long long (*min_acceptable_spare_size)(struct supertype *st);
int (*add_internal_bitmap)(struct supertype *st, int *chunkp,
int delay, int write_behind,