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From c4cc9d30f656acb7fcdc4d3a4b4a9bb0a34aaf7d Mon Sep 17 00:00:00 2001
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From: Yusuke Okada <okada.yusuke@jp.fujitsu.com>
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Date: Thu, 18 Aug 2022 14:46:19 -0400
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Subject: [PATCH] virtiofsd: use g_date_time_get_microsecond to get subsecond
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RH-Author: Dr. David Alan Gilbert <dgilbert@redhat.com>
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RH-MergeRequest: 223: 8.7.z: virtiofsd: use g_date_time_get_microsecond to get subsecond
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RH-Bugzilla: 2132391
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RH-Acked-by: German Maglione <None>
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RH-Acked-by: Jano Tomko <None>
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RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
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RH-Commit: [1/1] bf1fe2785996ee9799ae23cc117598517749336c
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The "%f" specifier in g_date_time_format() is only available in glib
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2.65.2 or later. If combined with older glib, the function returns null
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and the timestamp displayed as "(null)".
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For backward compatibility, g_date_time_get_microsecond should be used
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to retrieve subsecond.
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In this patch the g_date_time_format() leaves subsecond field as "%06d"
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and let next snprintf to format with g_date_time_get_microsecond.
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Signed-off-by: Yusuke Okada <okada.yusuke@jp.fujitsu.com>
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Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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Message-id: 20220818184618.2205172-1-yokada.996@gmail.com
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Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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(cherry picked from commit f16d15c9276bd8f501f861c39cbd4adc812d0c1d)
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---
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tools/virtiofsd/passthrough_ll.c | 7 +++++--
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1 file changed, 5 insertions(+), 2 deletions(-)
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diff --git a/tools/virtiofsd/passthrough_ll.c b/tools/virtiofsd/passthrough_ll.c
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index b3d0674f6d..523d8fbe1e 100644
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--- a/tools/virtiofsd/passthrough_ll.c
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+++ b/tools/virtiofsd/passthrough_ll.c
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@@ -3791,6 +3791,7 @@ static void setup_nofile_rlimit(unsigned long rlimit_nofile)
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static void log_func(enum fuse_log_level level, const char *fmt, va_list ap)
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{
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g_autofree char *localfmt = NULL;
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+ char buf[64];
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if (current_log_level < level) {
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return;
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@@ -3803,9 +3804,11 @@ static void log_func(enum fuse_log_level level, const char *fmt, va_list ap)
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fmt);
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} else {
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g_autoptr(GDateTime) now = g_date_time_new_now_utc();
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- g_autofree char *nowstr = g_date_time_format(now, "%Y-%m-%d %H:%M:%S.%f%z");
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+ g_autofree char *nowstr = g_date_time_format(now,
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+ "%Y-%m-%d %H:%M:%S.%%06d%z");
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+ snprintf(buf, 64, nowstr, g_date_time_get_microsecond(now));
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localfmt = g_strdup_printf("[%s] [ID: %08ld] %s",
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- nowstr, syscall(__NR_gettid), fmt);
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+ buf, syscall(__NR_gettid), fmt);
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}
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fmt = localfmt;
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}
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--
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2.31.1
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