rbd: kill rbd_image_header->snap_seq
The snap_seq field in an rbd_image_header structure held the value
from the rbd image header when it was last refreshed. We now
maintain this value in the snapc->seq field. So get rid of the
other one.
Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index c299a55..6df8c62 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -82,7 +82,6 @@
__u8 comp_type;
struct ceph_snap_context *snapc;
size_t snap_names_len;
- u64 snap_seq;
u32 total_snaps;
char *snap_names;
@@ -536,7 +535,6 @@
header->comp_type = ondisk->options.comp_type;
atomic_set(&header->snapc->nref, 1);
- header->snap_seq = le64_to_cpu(ondisk->snap_seq);
header->snapc->seq = le64_to_cpu(ondisk->snap_seq);
header->snapc->num_snaps = snap_count;
header->total_snaps = snap_count;