Use the padding section to add useful information in
swap header. This is backward compatible with
SWAPSPACE2 headers.
Signed-off-by: Venkatraman S <venkat@xxxxxxxxxx>
---
include/swapheader.h | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/include/swapheader.h b/include/swapheader.h
index 42d521a..90d13ef 100644
--- a/include/swapheader.h
+++ b/include/swapheader.h
@@ -21,7 +21,12 @@ struct swap_header_v1_2 {
unsigned int nr_badpages;
unsigned char uuid[SWAP_UUID_LENGTH];
char volume_name[SWAP_LABEL_LENGTH];
- unsigned int padding[117];
+ union {
+ struct {
+ unsigned int erase_blk_size;
+ } blkdevinfo;
+ unsigned int padding[117];
+ } swp_headerinfo ;
unsigned int badpages[1];
};
--
1.7.11.1.25.g0e18bef
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