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 -- To unsubscribe from this list: send the line "unsubscribe util-linux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html