Sometimes the mountinfo entry is not available when nfsrahead is called,
leading to failure to set the readahead. Retry getting the device before
failing.
Signed-off-by: Thiago Becker <tbecker@xxxxxxxxxx>
---
tools/nfsrahead/main.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/tools/nfsrahead/main.c b/tools/nfsrahead/main.c
index 1a312ac9..b3af3aa8 100644
--- a/tools/nfsrahead/main.c
+++ b/tools/nfsrahead/main.c
@@ -127,7 +127,7 @@ static int conf_get_readahead(const char *kind) {
int main(int argc, char **argv)
{
- int ret = 0;
+ int ret = 0, retry;
struct device_info device;
unsigned int readahead = 128, verbose = 0, log_stderr = 0;
char opt;
@@ -154,7 +154,11 @@ int main(int argc, char **argv)
if ((argc - optind) != 1)
xlog_err("expected the device number of a BDI; is udev ok?");
- if ((ret = get_device_info(argv[optind], &device)) != 0) {
+ for (retry = 0; retry <= 10; retry++ )
+ if ((ret = get_device_info(argv[optind], &device)) == 0)
+ break;
+
+ if (ret != 0) {
xlog(L_ERROR, "unable to find device %s\n", argv[optind]);
goto out;
}
--
2.35.1
