qemu-kvm/kvm-virtiofsd-use-g_date_time_get_microsecond-to-get-sub.patch

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From ebf6be5ba316ffda354af5eb1f1241ad6543b3cd Mon Sep 17 00:00:00 2001
From: Yusuke Okada <okada.yusuke@jp.fujitsu.com>
Date: Thu, 18 Aug 2022 14:46:19 -0400
Subject: [PATCH 3/3] virtiofsd: use g_date_time_get_microsecond to get
subsecond
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Dr. David Alan Gilbert <dgilbert@redhat.com>
RH-MergeRequest: 222: virtiofsd: use g_date_time_get_microsecond to get subsecond
RH-Bugzilla: 2018885
RH-Acked-by: Vivek Goyal <None>
RH-Acked-by: Daniel P. Berrangé <berrange@redhat.com>
RH-Acked-by: Sergio Lopez <slp@redhat.com>
RH-Commit: [1/1] da8795576acc7029044a801ef42676d66471a577
The "%f" specifier in g_date_time_format() is only available in glib
2.65.2 or later. If combined with older glib, the function returns null
and the timestamp displayed as "(null)".
For backward compatibility, g_date_time_get_microsecond should be used
to retrieve subsecond.
In this patch the g_date_time_format() leaves subsecond field as "%06d"
and let next snprintf to format with g_date_time_get_microsecond.
Signed-off-by: Yusuke Okada <okada.yusuke@jp.fujitsu.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-id: 20220818184618.2205172-1-yokada.996@gmail.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
(cherry picked from commit f16d15c9276bd8f501f861c39cbd4adc812d0c1d)
---
tools/virtiofsd/passthrough_ll.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/tools/virtiofsd/passthrough_ll.c b/tools/virtiofsd/passthrough_ll.c
index b3d0674f6d..523d8fbe1e 100644
--- a/tools/virtiofsd/passthrough_ll.c
+++ b/tools/virtiofsd/passthrough_ll.c
@@ -3791,6 +3791,7 @@ static void setup_nofile_rlimit(unsigned long rlimit_nofile)
static void log_func(enum fuse_log_level level, const char *fmt, va_list ap)
{
g_autofree char *localfmt = NULL;
+ char buf[64];
if (current_log_level < level) {
return;
@@ -3803,9 +3804,11 @@ static void log_func(enum fuse_log_level level, const char *fmt, va_list ap)
fmt);
} else {
g_autoptr(GDateTime) now = g_date_time_new_now_utc();
- g_autofree char *nowstr = g_date_time_format(now, "%Y-%m-%d %H:%M:%S.%f%z");
+ g_autofree char *nowstr = g_date_time_format(now,
+ "%Y-%m-%d %H:%M:%S.%%06d%z");
+ snprintf(buf, 64, nowstr, g_date_time_get_microsecond(now));
localfmt = g_strdup_printf("[%s] [ID: %08ld] %s",
- nowstr, syscall(__NR_gettid), fmt);
+ buf, syscall(__NR_gettid), fmt);
}
fmt = localfmt;
}
--
2.35.3