diff options
Diffstat (limited to 'miscutils/update.c')
-rw-r--r-- | miscutils/update.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/miscutils/update.c b/miscutils/update.c index 18b13e8c9..14f1d3c20 100644 --- a/miscutils/update.c +++ b/miscutils/update.c | |||
@@ -35,12 +35,15 @@ _syscall2(int, bdflush, int, func, int, data); | |||
35 | #endif /* __GLIBC__ */ | 35 | #endif /* __GLIBC__ */ |
36 | 36 | ||
37 | static char update_usage[] = | 37 | static char update_usage[] = |
38 | "update [options]\n\n" | 38 | "update [options]\n" |
39 | "Periodically flushes filesystem buffers.\n\n" | 39 | #ifndef BB_FEATURE_TRIVIAL_HELP |
40 | "\nPeriodically flushes filesystem buffers.\n\n" | ||
40 | "Options:\n" | 41 | "Options:\n" |
41 | "\t-S\tforce use of sync(2) instead of flushing\n" | 42 | "\t-S\tforce use of sync(2) instead of flushing\n" |
42 | "\t-s SECS\tcall sync this often (default 30)\n" | 43 | "\t-s SECS\tcall sync this often (default 30)\n" |
43 | "\t-f SECS\tflush some buffers this often (default 5)\n"; | 44 | "\t-f SECS\tflush some buffers this often (default 5)\n" |
45 | #endif | ||
46 | ; | ||
44 | 47 | ||
45 | static unsigned int sync_duration = 30; | 48 | static unsigned int sync_duration = 30; |
46 | static unsigned int flush_duration = 5; | 49 | static unsigned int flush_duration = 5; |