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[Qemu-devel] [PATCH v2 02/20] qemu-nbd: Call blk_set_enable_write_cache(
From: |
Kevin Wolf |
Subject: |
[Qemu-devel] [PATCH v2 02/20] qemu-nbd: Call blk_set_enable_write_cache() explicitly |
Date: |
Tue, 29 Mar 2016 15:30:39 +0200 |
Signed-off-by: Kevin Wolf <address@hidden>
Reviewed-by: Max Reitz <address@hidden>
---
qemu-nbd.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/qemu-nbd.c b/qemu-nbd.c
index f3528c8..b11bc41 100644
--- a/qemu-nbd.c
+++ b/qemu-nbd.c
@@ -507,6 +507,7 @@ int main(int argc, char **argv)
const char *export_name = NULL;
const char *tlscredsid = NULL;
bool imageOpts = false;
+ bool writethrough = true;
/* The client thread uses SIGTERM to interrupt the server. A signal
* handler ensures that "qemu-nbd -v -c" exits with a nice status code.
@@ -533,7 +534,7 @@ int main(int argc, char **argv)
exit(EXIT_FAILURE);
}
seen_cache = true;
- if (bdrv_parse_cache_flags(optarg, &flags) == -1) {
+ if (bdrv_parse_cache_mode(optarg, &flags, &writethrough) == -1) {
error_report("Invalid cache mode `%s'", optarg);
exit(EXIT_FAILURE);
}
@@ -847,6 +848,8 @@ int main(int argc, char **argv)
}
bs = blk_bs(blk);
+ blk_set_enable_write_cache(blk, !writethrough);
+
if (sn_opts) {
ret = bdrv_snapshot_load_tmp(bs,
qemu_opt_get(sn_opts, SNAPSHOT_OPT_ID),
--
1.8.3.1
- [Qemu-devel] [PATCH v2 00/20] block: Implement writethrough in BlockBackend, Kevin Wolf, 2016/03/29
- [Qemu-devel] [PATCH v2 01/20] block: Add bdrv_parse_cache_mode(), Kevin Wolf, 2016/03/29
- [Qemu-devel] [PATCH v2 04/20] qemu-img: Expand all BDRV_O_FLAGS uses, Kevin Wolf, 2016/03/29
- [Qemu-devel] [PATCH v2 02/20] qemu-nbd: Call blk_set_enable_write_cache() explicitly,
Kevin Wolf <=
- [Qemu-devel] [PATCH v2 03/20] qemu-io: Call blk_set_enable_write_cache() explicitly, Kevin Wolf, 2016/03/29
- [Qemu-devel] [PATCH v2 07/20] block: blockdev_init(): Call blk_set_enable_write_cache() explicitly, Kevin Wolf, 2016/03/29
- [Qemu-devel] [PATCH v2 05/20] qemu-img: Call blk_set_enable_write_cache() explicitly, Kevin Wolf, 2016/03/29
- [Qemu-devel] [PATCH v2 06/20] xen_disk: Call blk_set_enable_write_cache() explicitly, Kevin Wolf, 2016/03/29
- [Qemu-devel] [PATCH v2 14/20] nbd: Support BDRV_REQ_FUA, Kevin Wolf, 2016/03/29
- [Qemu-devel] [PATCH v2 11/20] block/qapi: Use blk_enable_write_cache(), Kevin Wolf, 2016/03/29
- [Qemu-devel] [PATCH v2 16/20] block: Use bdrv_parse_cache_mode() in drive_init(), Kevin Wolf, 2016/03/29
- [Qemu-devel] [PATCH v2 10/20] block: Move enable_write_cache to BB level, Kevin Wolf, 2016/03/29
- [Qemu-devel] [PATCH v2 09/20] block: Handle flush error in bdrv_pwrite_sync(), Kevin Wolf, 2016/03/29