libglusterfs: Add RCHECKSUM fop.

rchecksum (fd, offset, len): Calculates both the weak and strong
checksums for a block of {len} bytes at {offset} in {fd}.

Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/libglusterfs/src/protocol.h b/libglusterfs/src/protocol.h
index f03759f3714..c0fee420e99 100644
--- a/libglusterfs/src/protocol.h
+++ b/libglusterfs/src/protocol.h
@@ -797,6 +797,17 @@ typedef struct {
 
 
 typedef struct {
+        int64_t   fd;
+        uint64_t  offset;
+        uint32_t  len;
+} __attribute__((packed)) gf_fop_rchecksum_req_t;
+typedef struct {
+        uint32_t weak_checksum;
+        unsigned char strong_checksum[0];
+} __attribute__((packed)) gf_fop_rchecksum_rsp_t;
+
+
+typedef struct {
 	uint64_t  ino;
 	int32_t   timeout;
 } __attribute__((packed)) gf_fop_lock_notify_req_t;