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Merge branch 'reinstate-sync-after-every-write' into 'develop'

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Reinstate sync after every write

See merge request open-source/flexnbd-c!51
This commit is contained in:
James Carter
2018-04-24 12:02:53 +01:00
parent 20b4f069c8 3b1a150315
commit 3e0d30f6b9
2 changed files with 10 additions and 2 deletions
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6
debian/changelog vendored
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@@ -1,3 +1,9 @@
flexnbd (0.2.1) UNRELEASED; urgency=medium
* Force a msync after every write, ignoring FUA flag, or lack thereof.
-- Patrick J Cherry <patrick@bytemark.co.uk> Tue, 24 Apr 2018 10:27:12 +0100
flexnbd (0.2.0) stable; urgency=medium flexnbd (0.2.0) stable; urgency=medium
[ James Carter ] [ James Carter ]

6
src/server/client.c
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@@ -470,8 +470,10 @@ void client_reply_to_write(struct client *client,
request.len); request.len);
} }
// Only flush if FUA is set // Only flush if FUA is set -- overridden for now to force flush after each
if (request.flags & CMD_FLAG_FUA) { // write.
// if (request.flags & CMD_FLAG_FUA) {
if (1) {
/* multiple of page size */ /* multiple of page size */
uint64_t from_rounded = uint64_t from_rounded =
request.from & (~(sysconf(_SC_PAGE_SIZE) - 1)); request.from & (~(sysconf(_SC_PAGE_SIZE) - 1));