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-rw-r--r--src/bin/initdb/initdb.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/src/bin/initdb/initdb.c b/src/bin/initdb/initdb.c
index 402504b2578..8c0a9f41abf 100644
--- a/src/bin/initdb/initdb.c
+++ b/src/bin/initdb/initdb.c
@@ -118,6 +118,7 @@ static const char *authmethodlocal = "";
static bool debug = false;
static bool noclean = false;
static bool do_sync = true;
+static bool sync_only = false;
static bool show_setting = false;
static char *xlog_dir = "";
@@ -2796,6 +2797,7 @@ usage(const char *progname)
printf(_(" -n, --noclean do not clean up after errors\n"));
printf(_(" -N, --nosync do not wait for changes to be written safely to disk\n"));
printf(_(" -s, --show show internal settings\n"));
+ printf(_(" -S, --sync-only only sync data directory\n"));
printf(_("\nOther options:\n"));
printf(_(" -V, --version output version information, then exit\n"));
printf(_(" -?, --help show this help, then exit\n"));
@@ -3445,6 +3447,7 @@ main(int argc, char *argv[])
{"show", no_argument, NULL, 's'},
{"noclean", no_argument, NULL, 'n'},
{"nosync", no_argument, NULL, 'N'},
+ {"sync-only", no_argument, NULL, 'S'},
{"xlogdir", required_argument, NULL, 'X'},
{NULL, 0, NULL, 0}
};
@@ -3476,7 +3479,7 @@ main(int argc, char *argv[])
/* process command-line options */
- while ((c = getopt_long(argc, argv, "dD:E:L:nNU:WA:sT:X:", long_options, &option_index)) != -1)
+ while ((c = getopt_long(argc, argv, "dD:E:L:nNU:WA:sST:X:", long_options, &option_index)) != -1)
{
switch (c)
{
@@ -3522,6 +3525,9 @@ main(int argc, char *argv[])
case 'N':
do_sync = false;
break;
+ case 'S':
+ sync_only = true;
+ break;
case 'L':
share_path = pg_strdup(optarg);
break;
@@ -3589,6 +3595,14 @@ main(int argc, char *argv[])
exit(1);
}
+ /* If we only need to fsync, just to it and exit */
+ if (sync_only)
+ {
+ setup_pgdata();
+ perform_fsync();
+ return 0;
+ }
+
if (pwprompt && pwfilename)
{
fprintf(stderr, _("%s: password prompt and password file cannot be specified together\n"), progname);