bytemark/flexnbd-c
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Fix offset calculation for partial msyncs to go to nearest 4k block

Browse Source 
Previously they were always set to zero.
This commit is contained in:
Patrick J Cherry
2018-02-05 23:05:00 +00:00
parent c423900f02
commit 6d6948af09
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/server/client.c
View File

@@ -481,7 +481,7 @@ void client_reply_to_write( struct client* client, struct nbd_request request )
if (request.flags & CMD_FLAG_FUA) if (request.flags & CMD_FLAG_FUA)
{ {
/* multiple of 4K page size */ /* multiple of 4K page size */
uint64_t from_rounded = request.from & (!0xfff); uint64_t from_rounded = request.from & (~0xfff);
uint64_t len_rounded = request.len + (request.from - from_rounded); uint64_t len_rounded = request.len + (request.from - from_rounded);
debug("Calling msync from=%"PRIu64", len=%"PRIu64"",from_rounded, len_rounded); debug("Calling msync from=%"PRIu64", len=%"PRIu64"",from_rounded, len_rounded);