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No need to flush logs before commit point if we flush after each write.

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Also document that logs are flushed before sending a commit point
even when flushing is disabled.
This commit is contained in:
Todd C. Miller
2021-10-16 07:58:44 -06:00
parent a554629d84
commit 15b4427b9a
3 changed files with 10 additions and 3 deletions
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4
doc/sudo_logsrvd.conf.man.in
View File

@@ -16,7 +16,7 @@
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
.TH "SUDO_LOGSRVD.CONF" "@mansectform@" "August 3, 2021" "Sudo @PACKAGE_VERSION@" "File Formats Manual"
.TH "SUDO_LOGSRVD.CONF" "@mansectform@" "October 16, 2021" "Sudo @PACKAGE_VERSION@" "File Formats Manual"
.nh
.if n .ad l
.SH "NAME"
@@ -550,6 +550,8 @@ buffering it.
This makes it possible to view the logs in real-time as the program is
executing but may significantly reduce the effectiveness
of I/O log compression.
I/O logs are always flushed before sending a commit point to the client
regardless of this setting.
The default value is
\fRtrue\fR.
.TP 10n

4
doc/sudo_logsrvd.conf.mdoc.in
View File

@@ -15,7 +15,7 @@
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
.Dd August 3, 2021
.Dd October 16, 2021
.Dt SUDO_LOGSRVD.CONF @mansectform@
.Os Sudo @PACKAGE_VERSION@
.Sh NAME
@@ -486,6 +486,8 @@ buffering it.
This makes it possible to view the logs in real-time as the program is
executing but may significantly reduce the effectiveness
of I/O log compression.
I/O logs are always flushed before sending a commit point to the client
regardless of this setting.
The default value is
.Li true .
.It iolog_group = name

5
logsrvd/logsrvd.c
View File

@@ -1164,7 +1164,10 @@ server_commit_cb(int unused, int what, void *v)
commit_point.tv_nsec = closure->elapsed_time.tv_nsec;
if (!schedule_commit_point(&commit_point, closure))
connection_close(closure);
iolog_flush_all(closure);
/* Flush I/O logs before sending commit point if needed. */
if (!iolog_get_flush())
iolog_flush_all(closure);
debug_return;
}